阅读说明：本技术 电子设备 (Electronic device ) 是由 大桥洋介 新田繁则 森惠 小林彻也 于 2020-02-26 设计创作，主要内容包括：一种电子设备(2),装配到装配对象(1)的搭载位置而使用,具备：多个端子(9a、9b),构成为接收多个输入信号(St1、St2)；和搭载位置登记部(15),根据包括经由多个端子(9a、9b)接收到的多个输入信号(St1、St2)的、向多个端子(9a、9b)的输入状态的组合,判定搭载位置并登记。(An electronic device (2) which is mounted at a mounting position of a mounting object (1) and used, comprising: a plurality of terminals (9a, 9b) configured to receive a plurality of input signals (St1, St 2); and a mounting position registration unit (15) that determines and registers a mounting position based on a combination of input states to the plurality of terminals (9a, 9b) including a plurality of input signals (St1, St2) received via the plurality of terminals (9a, 9 b).)

1. An electronic device mounted at a mounting position of a mounting object for use, the electronic device comprising:

a plurality of terminals configured to receive a plurality of input signals; and

and a mounting position registration unit that determines and registers the mounting position based on a combination of input states to the plurality of terminals including a plurality of input signals received via the plurality of terminals.

2. The electronic device of claim 1,

further comprising a storage unit for storing a table in which the input modes of the plurality of input signals and the mounting positions are associated with each other,

the mounting position registration unit is configured to determine the mounting position by referring to the table based on the input pattern.

3. The electronic device of claim 1 or 2,

the plurality of terminals each have a state of not connecting a wiring and a state of connecting the wiring,

in a state where the wiring is connected, each of the plurality of terminals receives either an input signal set to a Lo level or an input signal set to a Hi level from the wiring,

the mounting position registration unit determines and registers a mounting position based on a combination of at least three states among a state in which the wiring is not connected to the plurality of terminals, a state in which the input signal set to the Lo level is input, and a state in which the input signal set to the Hi level is input.

4. The electronic device of claim 1 or 2,

and at least one switching element that is connected to at least one of the plurality of terminals and is switched on/off by the input signal having a content corresponding to the presence or absence of mounting, from another electronic device to be mounted on the mounting object,

the mounting position registration unit determines and registers the mounting position based on a combination of a predetermined mounting order of the electronic device and on/off of the at least one switching element.

Technical Field

The present disclosure relates to an electronic device capable of self-registering a mounting position.

Background

Conventionally, in mass-produced electronic devices, in order to be able to perform work according to a mounting position, the mounting position may be registered in each electrical component. As a method of registering the mounting position, for example, a method of changing the shape of one of the electronic devices in order to prevent erroneous mounting is used. In addition, the following techniques are also known: the correct mounting pattern of the electronic device is registered in advance in another device, and the actual registration pattern after mounting is compared with the registered pattern registered in advance, thereby detecting mismounting (see patent document 1 and the like).

Documents of the prior art

Patent document

Patent document 1: japanese patent laid-open publication No. 2013-125428

Disclosure of Invention

However, when the shape of the electronic device is changed one by one, there is a problem that the types of the electronic device increase and the number of objects to be managed increases. In addition, even in the case of a countermeasure for changing the shape of the electronic device one by one, there is a problem that the components cannot be shared, which leads to an increase in the cost of the electronic device.

An object of the present disclosure is to provide an electronic apparatus capable of simplifying a registration job of a mounting position.

An aspect of the present disclosure is an electronic device that is mounted at a mounting position of a mounting object and used, the electronic device including: a plurality of terminals configured to receive a plurality of input signals; and a mounting position registration unit that determines and registers the mounting position based on a combination of input states to the plurality of terminals including a plurality of input signals received via the plurality of terminals.

According to the present disclosure, registration of a mounting position can be simplified.

Drawings

Fig. 1 is a configuration diagram of a vehicle according to embodiment 1.

Fig. 2 is a block diagram of an electronic device.

Fig. 3 is a table summarizing the association between the input mode of the input signal and the mounting position of the electronic device.

Fig. 4 is a flowchart executed when determining the mounting position.

Fig. 5 is an operation diagram of the electronic device when determining the mounting position according to embodiment 2.

Fig. 6 is an operation diagram of the electronic device when the mounting position is determined.

Fig. 7 is an operation diagram of the electronic device when the mounting position is determined.

Detailed Description

(embodiment 1)

Hereinafter, embodiment 1 of the electronic device will be described with reference to fig. 1 to 4.

As shown in fig. 1, a vehicle 1 is mounted with a plurality of electronic devices 2 that perform various operations in the vehicle 1. For example, the plurality of electronic devices 2 are communicators that perform distance measurement communication with the terminal 3 located by the key of the vehicle 1 by radio and determine validity of the positional relationship with the terminal 3. In the ranging communication, for example, UWB (Ultra Wide Band) radio waves are transmitted and received between the electronic device 2 and the terminal 3, and the distance between the electronic device 2 and the terminal 3 is measured from the propagation time. The plurality of electronic devices 2 are connected to a communication line 5 in the vehicle, and operate while communicating with another ECU4 through the communication line 5.

The electronic device 2 performs ranging communication with the terminal 3, for example, in a case where the vehicle 1 and the terminal 3 perform ID verification (key verification) by wireless. The electronic device 2 permits the ID check to be established when the value measured in the ranging communication is smaller than the allowable value. Therefore, the operation of the vehicle 1 can be performed by the terminal 3. On the other hand, when the value measured in the ranging communication is equal to or greater than the allowable value, the electronic device 2 sets the establishment of the ID check as not permitted. Therefore, for example, when there is a possibility that the terminal 3 has transferred the ID verification to the established state by the unauthorized communication using the relay or the like, the ID verification is not permitted, and the unauthorized use of the vehicle 1 can be prevented.

As shown in fig. 2, a plurality of mounting positions of the electronic devices 2 in the mounting object 7 can be registered in each of the electronic devices 2 by the mounting position registration system 8. The mounting position registration system 8 includes a plurality of electronic devices 2 and an assembly object 7, and the assembly object 7 has a plurality of mounting positions at which the plurality of electronic devices 2 are mounted, respectively. For example, the mounting object 7 is a vehicle 1 on which a plurality of electronic devices 2 are mounted. The plurality of electronic devices 2 of this example may have the same external shape. The plurality of electronic devices 2 are mounted at a plurality of mounting positions of the mounting object 7 and used. Which mounting position to mount each electronic device 2 on the mounting object 7 is not specified in advance. The electronic device 2 has a plurality of terminals 9 configured to receive a plurality of input signals St. The mounting position registration system 8 of the present example determines the mounting position from a combination of the plurality of input signals St received by the plurality of terminals 9, that is, an input pattern, and registers the mounting position in the electronic apparatus 2. Examples of the mounting position include a vehicle front portion right side, a vehicle front portion left side, a vehicle rear portion right side, a vehicle rear portion left side, and a vehicle interior.

The electronic device 2 includes a main body 10 and a connector 11. The connector section 11 includes a plurality of terminals 9, a power supply terminal 12, and a ground terminal 13 used for determining a mounting position of the electronic device 2. Each terminal 9 has a state of not connecting the wiring 14 and a state of connecting the wiring 14. In a state where the wiring 14 is connected to the terminal 9, the terminal 9 receives either the input signal St set to the Lo level or the input signal St set to the Hi level. The power supply terminal 12 is connected to, for example, a power supply + B of the vehicle 1. The ground terminal 13 is grounded at GND (ground).

In this example, the plurality of terminals 9 are constituted by two terminals, i.e., a 1 st input terminal 9a and a 2 nd input terminal 9 b. The 1 St input terminal 9a receives an input signal St1 used when determining the mounting position of the electronic device 2 through the wiring 14 a. The 2 nd input terminal 9b receives an input signal St2 used when determining the mounting position of the electronic device 2 through the wiring 14 b. In this example, the 1 st input terminal 9a and the 2 nd input terminal 9B are connected to GND to receive a Lo signal, and are connected to the power supply + B to receive a Hi signal. When the 1 st input terminal 9a and the 2 nd input terminal 9B are not connected to either of the power supply + B and the GND, the input terminals are in an open state in which no signal is input.

The electronic device 2 includes a mounting position registration unit 15, and the mounting position registration unit 15 determines and registers a mounting position based on a combination of input states to the plurality of terminals 9 including the plurality of input signals St (St1, St2) received via the plurality of terminals 9. The mounting position registration unit 15 determines the mounting position of the electronic device 2 based on a combination of at least three states of a state in which the wiring 14 is not connected, a state in which the input signal St set to the Lo level is received, and a state in which the input signal St set to the Hi level is received. In this example, the mounting position registration unit 15 determines the mounting position of the electronic device 2 based on the input pattern of the input signals St1, St2 received through the 1 St input terminal 9a and the 2 nd input terminal 9 b. The input pattern of this example is, for example, a combination of binary codes ("0" and "1"), the input state of the input signal St1 is in the former stage of the pattern (left side of 2-bit value), and the input state of the input signal St2 is in the latter stage of the pattern (right side of 2-bit value).

In this example, the binary code is "0" when the terminal 9 is in the open state, and the binary code is "1" when the terminal 9 is in the state of receiving the Lo signal. In this way, in the present example, the electronic device 2 checks which of the open state and the state of receiving the Lo signal is in the terminal 9, and does not use the Hi signal as the input signal to the terminal 9.

The electronic device 2 includes a storage unit 17, the storage unit 17 stores a table 16, and the table 16 associates an input pattern of the input signal St (St1, St2) with a mounting position. In table 16 of this example, "00" of the input pattern is registered as mounting position "a," 01 "of the input pattern is registered as mounting position" B, "10" of the input pattern is registered as mounting position "C," and "11" of the input pattern is registered as mounting position "D. The mounting position registration unit 15 determines the mounting position with reference to the table 16 based on the input pattern of the input signals St1 and St 2.

Next, an operation of the electronic device 2 according to the present embodiment will be described with reference to fig. 3 and 4.

As shown in fig. 3, when the 1 st electronic device 2a is mounted on the vehicle body, both the 1 st input terminal 9a and the 2 nd input terminal 9b are in the "open state". That is, the 1 st input terminal 9a and the 2 nd input terminal 9b are both in a state where the wiring 14 is not connected. In this case, the input mode of the input signal St to the 1 St input terminal 9a and the 2 nd input terminal 9b becomes "00". Therefore, the mounting position registration unit 15 of the 1 st electronic device 2a recognizes "a" as the mounting position for the input pattern "00" by checking "00" of the input pattern with the table 16. Therefore, the mounting position registration unit 15 of the 1 st electronic device 2a determines the mounting position of the 1 st electronic device 2a as "a" and writes the determined position to the storage unit 17 of the 1 st electronic device 2 a. That is, the mounting position registration unit 15 of the 1 st electronic device 2a determines that the mounting position of the 1 st electronic device 2a is the mounting position "a" corresponding to the input mode "00" by checking the input mode "00" with the table 16, and writes and stores the determined mounting position "a" in the storage unit 17 of the 1 st electronic device 2 a.

When the 2 nd electronic device 2b is mounted to the vehicle body, the 1 st input terminal 9a is "open", and the 2 nd input terminal 9b is "GND". The 2 nd input terminal 9b is set to GND, and thereby becomes Lo level (input of Lo signal). In this case, the input mode of the input signal St to the 1 St input terminal 9a and the 2 nd input terminal 9b is set to "01". Therefore, the mounting position registration unit 15 of the 2 nd electronic device 2B recognizes "B" as the mounting position for the input pattern "01" by checking "01" of the input pattern with the table 16. Therefore, the mounting position registration unit 15 of the 2 nd electronic device 2b determines the mounting position of the 2 nd electronic device 2b as "C" and writes the same into the storage unit 17 of the 2 nd electronic device 2 b. That is, the mounting position registration unit 15 of the 2 nd electronic device 2B determines that the mounting position of the 2 nd electronic device 2B is the mounting position "B" corresponding to the input mode "01" by checking the input mode "01" with the table 16, and writes and stores the determined mounting position "B" in the storage unit 17 of the 2 nd electronic device 2B.

When the 3 rd electronic device 2c is mounted to the vehicle body, the 1 st input terminal 9a is "GND", and the 2 nd input terminal 9b is "open". In this case, the input pattern of the input signal St to the 1 St input terminal 9a and the 2 nd input terminal 9b is "10". The mounting position registration unit 15 of the 3 rd electronic device 2C determines that the mounting position of the 3 rd electronic device 2C is the mounting position "C" by referring to the determination of the table 16. Therefore, the mounting position registration unit 15 of the 3 rd electronic device 2C writes the mounting position "C" as the mounting position of the 3 rd electronic device 2C into the storage unit 17 of the 3 rd electronic device 2C.

When the 4 th electronic device 2d is mounted to the vehicle body, the 1 st input terminal 9a is "GND", and the 2 nd input terminal 9b is "GND". At this time, the input mode of the input signal St to the 1 St input terminal 9a and the 2 nd input terminal 9b is changed to "11". The mounting position registration unit 15 of the 4 th electronic device 2D determines that the mounting position of the 4 th electronic device 2D is the mounting position "D" by the determination with reference to the table 16. Therefore, the mounting position registration unit 15 of the 4 th electronic device 2D writes the mounting position "D" as the mounting position of the 4 th electronic device 2D in the storage unit 17 of the 4 th electronic device 2D.

Fig. 4 illustrates a summary of operations of the mounting position registration unit 15. The flow of fig. 4 is preferably started, for example, by using the power supply terminal 12 to input the power supply + B as a trigger in the electronic device 2.

In step 101, the mounting position registration unit 15 determines whether or not the plurality of input signals St are received at the plurality of terminals 9 (the 1 St input terminal 9a and the 2 nd input terminal 9b) of the electronic device 2. The mounting position registration unit 15 proceeds to step 102 when receiving the input signal St. The mounting position registration unit 15 waits at step 101 when receiving no input signal St.

In step 102, the mounting position registration unit 15 confirms the input pattern of the plurality of input signals St received through the plurality of terminals 9. At this time, the mounting position registration unit 15 compares the received input pattern with the table 16, and confirms the mounting position corresponding to the received input pattern.

In step 103, the mounting position registration unit 15 writes and stores the mounting position derived with reference to the table 16 in the storage unit 17 of the electronic device 2. Thereby, the mounting position is registered in the electronic device 2.

According to the electronic device of the above embodiment, the following effects can be obtained.

(1) The mounting position registration unit 15 of the electronic device 2 determines and registers the mounting position of the electronic device 2 based on a combination of input states to the plurality of terminals 9 including the plurality of input signals St received via the plurality of terminals 9. This eliminates the need to use a method that requires a large amount of labor and cost for changing the shape of the plurality of electronic devices 2 every time each electronic device 2 is associated with a mounting position. Therefore, the registration of the mounting position in the electronic device 2 can be simplified.

(2) The electronic device 2 is provided with a table 16 in which input patterns of a plurality of input signals St and mounting positions are associated with each other. The mounting position registration unit 15 determines the mounting position with reference to the table 16 based on the input pattern. Therefore, by a simple process of searching for the input patterns of the plurality of input signals St received via the plurality of terminals 9 of the electronic device 2 with reference to the table 16, the mounting position of the electronic device 2 can be identified and registered.

(3) Each of the plurality of terminals 9 receives either the input signal St set to the Lo level or the input signal St set to the Hi level from the wiring 14. The mounting position registration unit 15 determines and registers a mounting position based on a combination of at least three states of a state in which the terminal 9 is not connected to the wiring 14, a state in which the terminal 9 receives the Lo-level input signal St, and a state in which the terminal 9 receives the Hi-level input signal St. Thus, by a simple process of setting each terminal 9 of the electronic device 2 to any one of the open state, the Lo signal input state, or the Hi signal input state, the combination of the input signals St can be appropriately set. This further contributes to simplification of registration of the mounting position of the electronic device 2.

(embodiment 2)

Next, embodiment 2 will be described with reference to fig. 5 to 7. Embodiment 2 is an example in which the method for determining the mounting position described in embodiment 1 is modified. Therefore, the same portions as those in embodiment 1 will not be described in detail, and only different portions will be described in detail.

As shown in fig. 5 to 7, the electronic device 2 includes at least one switching element 20 that operates when the mounting position is registered. In this example, the electronic device 2 comprises a plurality of switching elements 20. The plurality of switching elements 20 are connected to the plurality of terminals 9, respectively. In the illustrated example, the electronic device 2 includes a 1 st switching element 20a and a 2 nd switching element 20 b. The 1 st switching element 20a is connected to the 1 st input terminal 9a, and the 2 nd switching element 20b is connected to the 2 nd input terminal 9 b. The electronic device 2 includes a plurality of ground terminals 13. In this example, the electronic device 2 includes a 1 st ground terminal 13a and a 2 nd ground terminal 13 b. The number of the switching elements 20 (terminals 9) and the ground terminals 13 is two in the example of the figure, but may be changed as appropriate depending on the number of the electronic devices 2 to be mounted.

In the illustrated example, a case where the 1 st electronic device 2a, the 2 nd electronic device 2b, and the 3 rd electronic device 2c are mounted will be described. It is assumed that the 1 st electronic device 2a is mounted at the 1 st mounting position E1, the 2 nd electronic device 2b is mounted at the 2 nd mounting position E2, and the 3 rd electronic device 2c is mounted at the 3 rd mounting position E3.

The mounting object 7 has a plurality of ports at each of a plurality of mounting positions, and the plurality of ports are provided at positions corresponding to a plurality of terminals of the electronic device 2. The plurality of ports of each mounting position are connected to the plurality of ports of at least one other mounting position of the plurality of mounting positions. In this example, the port 21a connected to the 1 st switching element 20a of the electronic device 2 disposed at the 1 st mounting position E1 is connected to the port 22c connected to the 1 st ground terminal 13a of the electronic device 2 disposed at the 2 nd mounting position E2 via the wiring 24. The port 21b connected to the 2 nd switching element 20b of the electronic device 2 disposed at the 1 st mounting position E1 is connected to the port 23c connected to the 1 st ground terminal 13a of the electronic device 2 disposed at the 3 rd mounting position via the wiring 25. Similarly, in the 2 nd mounting position E2, the port 22a is connected to the port 21c in the 1 st mounting position E1 via the wiring 26, and the port 22b is connected to the port 23d in the 3 rd mounting position E3 via the wiring 27. In the mounting position 3E 3, the port 23a is connected to the port 21d at the mounting position 1E 1 by the wiring 28, and the port 23b is connected to the port 22d at the mounting position 2E 2 by the wiring 29.

In this example, the order of mounting the electronic devices 2 from which mounting positions are sequentially associated with the combination of on/off states of the 1 st switching element 20a and the 2 nd switching element 20 b. The mounting order of the electronic device 2 of the present example is, for example, vehicle right front portion → vehicle left front portion → vehicle right rear portion → vehicle left rear portion.

When both the 1 st switching element 20a and the 2 nd switching element 20b are off, the mounting position is the front portion on the right side of the vehicle body, and when the 1 st switching element 20a is on and the 2 nd switching element 20b is off, the mounting position is the front portion on the left side of the vehicle body. When both the 1 st switching element 20a and the 2 nd switching element 20b are turned "on", the mounting position is the rear portion on the right side of the vehicle body. That is, the assembly order is associated with the combination of on and off of the switching element 20.

Next, the operation and effect of the electronic device 2 according to the present embodiment will be described with reference to fig. 5 to 7. The mounting operation of the electronic device 2 is performed in a vehicle factory, for example. In this example, the electronic device 2 also performs mounting position determination at the timing when it is mounted at the mounting position and the power supply + B is input. In addition, according to a predetermined mounting order, the 1 st electronic device 2a is mounted at the 1 st mounting position E1, the 2 nd electronic device 2b is mounted at the 2 nd mounting position E2, and the 3 rd electronic device 2c is mounted at the 3 rd mounting position E3.

As shown in fig. 5, when the 1 st electronic device 2a is mounted at the 1 st mounting position E1, the 1 st switching element 20a and the 2 nd switching element 20b of the 1 st electronic device 2a are in an open state in which neither of them is connected. Therefore, both the 1 st switching element 20a and the 2 nd switching element 20b are turned "off".

When it is confirmed that both the 1 st switching element 20a and the 2 nd switching element 20B are turned "off" at the timing of determining the mounting position (the timing of inputting the power of + B), the mounting position registration unit 15 of the 1 st electronic device 2a determines the mounting position of the 1 st electronic device 2a as the 1 st mounting position E1, that is, the front portion on the right side of the vehicle body. The mounting position registration unit 15 of the 1 st electronic device 2a registers the "1 st mounting position E1: the "front portion on the right side of the vehicle body" is written and stored in the storage unit 17 of the 1 st electronic device 2a as the mounting position of the 1 st electronic device 2 a.

As shown in fig. 6, when the 1 St electronic device 2a is mounted and the 2 nd electronic device 2b is mounted at the 2 nd mounting position E2, the 1 St switching element 20a of the 2 nd electronic device 2b is connected to the 1 St ground terminal 13a of the 1 St electronic device 2a, receives the input signal St from the 1 St ground terminal 13a through the wiring 26, and is switched on. On the other hand, the 2 nd switching element 20b of the 2 nd electronic device 2b is not connected to anything, and therefore remains open. Therefore, at this time, the 1 st switching element 20a becomes "on", and the 2 nd switching element 20b becomes "off".

The mounting position registration unit 15 of the 2 nd electronic device 2B recognizes that the 1 st switching element 20a is on and the 2 nd switching element 20B is off at the timing of determining the mounting position (timing of inputting the power supply of + B). Therefore, the mounting position registration unit 15 of the 2 nd electronic device 2b determines the mounting position of the 2 nd electronic device 2b as the 2 nd mounting position E2, i.e., the front portion on the left side of the vehicle body. The mounting position registration unit 15 of the 2 nd electronic device 2b registers the "2 nd mounting position E2: the "front portion on the left side of the vehicle body" is written in the storage unit 17 of the 2 nd electronic device 2b as the mounting position of the 2 nd electronic device 2 b.

As shown in fig. 7, when the 3 rd electronic device 2c is mounted after the 1 St electronic device 2a and the 2 nd electronic device 2b are mounted, the 1 St switching element 20a of the 3 rd electronic device 2c is connected to the 2 nd ground terminal 13b of the 1 St electronic device 2a, receives the input signal St from the 2 nd ground terminal 13b through the wiring 28, and is switched to on. The 2 nd switching element 20b of the 3 rd electronic device 2c is connected to the 2 nd ground terminal 13b of the 2 nd electronic device 2b, receives the input signal St from the 2 nd ground terminal 13b through the wiring 29, and is switched to on. Therefore, at this time, both the 1 st switching element 20a and the 2 nd switching element 20b are turned on.

The mounting position registration unit 15 of the 3 rd electronic device 2c determines the mounting position of the 3 rd electronic device 2c as the 3 rd mounting position E3, i.e., the rear portion on the right side of the vehicle body, when it is confirmed that both the 1 st switching element 20a and the 2 nd switching element 20B are turned on at the timing of determining the mounting position (the timing of inputting the power of + B). The mounting position registration unit 15 of the 3 rd electronic device 2c registers the "3 rd mounting position E3: the "rear portion on the right side of the vehicle body" is written and held in the storage portion 17 of the 3 rd electronic device 2c as the mounting position of the 3 rd electronic device 2 c. Thereafter, the other electronic devices 2 register the mounting positions in the same procedure.

According to the electronic device of the above embodiment, the following effects can be obtained.

(4) At least one (two in this example) switching element 20 is provided in the electronic device 2. The switching element 20 is switched on and off by an input signal St having a content corresponding to the presence or absence of the mounting from another electronic device 2 mounted on the mounting object 7 (vehicle 1). The mounting position registration unit 15 determines and registers a mounting position based on a combination of a predetermined mounting order of the electronic device 2 and on/off of the switching element 20. Therefore, by a simple process of appropriately setting the on/off state of the switching element 20 provided in the electronic device 2, the mounting position of the electronic device 2 can be self-determined and registered. This further contributes to simplification of registration of the mounting position of the electronic device 2.

The present embodiment can be modified as follows. The present embodiment and the following modifications can be combined and implemented within a range not technically contradictory to each other.

In embodiment 1, the Lo signal is not limited to being generated by being introduced from the ground terminal 13, and for example, the Lo signal output from the CPU may be used.

In embodiment 1, for example, the power supply + B may be led to the wiring 14, the Hi signal may be input to the terminal 9, and the Hi signal may be used as a parameter for determining the mounting position. In this case, for example, the position determination can be performed by a combination of the Hi signal and the open signal, or the position determination can be performed by a combination of the Hi signal and the Lo signal.

■ in embodiment 1, three or more terminals 9 may be provided, and the mounting position may be determined based on a combination of the open circuit, Lo signal, and Hi signal.

■ in embodiment 1, the Hi signal is not limited to being generated by being drawn from the power supply terminal 12, and may be a Hi signal output from the CPU, for example.

■ in embodiment 1, the input signal St inputted from the power supply terminal 12 and the input signal St inputted from the ground terminal 13 may be used for determining the mounting position.

■ in embodiment 2, the switching element 20 is not limited to a transistor, and may be any element that switches on and off.

■ in embodiment 2, the switching element 20 is not limited to being connected to and turned on by the 1 st and 2 nd ground terminals 13a and 13b of the other electronic device 2, and may be connected to a terminal capable of introducing a voltage capable of turning on the element.

■ in embodiment 2, the number of mounting positions of the electronic device 2 is not limited to three as shown, and may be two, or four or more.

■ in the embodiments, the ranging communication is not limited to the UWB communication, and may be any communication that transmits and receives radio waves to and from each other and can measure the positional relationship between them from the propagation time.

■ in each embodiment, the number of terminals 9 used when determining the mounting position is not limited to two, and may be three or more.

■ in each embodiment, the determination of the mounting position is not limited to the configuration using table 16, and may be changed to another configuration using a calculation formula or the like, for example.

■ in each embodiment, the terminal 3 may be any electronic key having a key function, a high-performance portable terminal having a key function, or the like.

■, in each embodiment, the appearance is the same shape, and it is sufficient if it is a shape that cannot be distinguished from the appearance.

■ in each embodiment, the electronic device 2 is not limited to one having the same shape in appearance, and may be one having a different shape.

■ in each embodiment, the electronic device 2 may include various components other than the communicator.

■ in each embodiment, the object 7 is not limited to the vehicle 1, and may be changed to another device or apparatus.

■ in the above embodiment, the mounting position registration unit can be configured using one or more dedicated circuits or one or more processors. The electronic device 2 is provided with a storage unit 17 (a non-transitory computer-readable storage medium) connected to one or more processors. The storage unit 17 may store one or more programs including a command group executable by one or more processors. Therefore, according to the present disclosure, a computer-readable non-transitory storage medium storing such a program can also be provided.

■ all features disclosed in the description and/or the claims are intended to be disclosed separately and independently from each other for the purpose of original disclosure and for the purpose of defining the claimed solution independently from the combination of features in the embodiments and/or the claims. The description of all numerical ranges or sets of elements is for the purpose of original disclosure and for the purpose of restricting the claims, and in particular, discloses all possible intermediate values or intermediate elements as limitations of the numerical ranges.

Next, technical ideas that can be grasped from the above-described embodiments and modifications are described.

(A) A mounting position registration system for registering a mounting position of an electronic device manufactured in a plurality of shapes having the same appearance and used by being mounted at the mounting position of an object to be mounted, the mounting position registration system including a plurality of terminals and a mounting position registration unit for determining and registering the mounting position based on a combination of input states to the terminals including input signals to the plurality of terminals.

Description of the reference numerals

1: a vehicle; 2: an electronic device; 9: a terminal; 9 a: a 1 st terminal; 9 b: a 2 nd terminal; 7: assembling the object; 14: wiring; 14a, 14 b: wiring; 15: a mounting position registration unit; 16: a table; 17: a storage unit; 20: a switching element; 20 a: a 1 st switching element; 20 b: a 2 nd switching element; st, St1, St 2: inputting a signal.