阅读说明：本技术 用于在对象上施加标记的方法和标记装置 (Method and marking device for applying a marking on an object ) 是由 P·J·库肯达尔 于 2020-01-13 设计创作，主要内容包括：本发明涉及一种用于在对象上的标记区域内施加标记的方法,其中用发光部件发射至少一个光束,移动扫描部件以使光束在标记区域之上逐行偏转,同时发光部件根据要施加的标记在激活或去激活之间切换。该方法的特征在于,对于光束在对象之上的行移动的每次起始,移动扫描部件,使得其偏转方向指向标记区域之外的行起点,并且使扫描部件加速,使得其偏转方向从行起点朝向标记区域加速,其中当偏转方向指向标记区域之外的某处时,去激活发光部件。本发明进一步涉及对应的标记装置。(The invention relates to a method for applying a mark in a mark area on an object, wherein at least one light beam is emitted with a light emitting member, a scanning member is moved to deflect the light beam line by line over the mark area, while the light emitting member is switched between being activated or deactivated in dependence on the mark to be applied. The method is characterized in that for each start of the line movement of the light beam over the object, the scanning component is moved such that its deflection direction is directed to a line start outside the marking area, and the scanning component is accelerated such that its deflection direction is accelerated from the line start towards the marking area, wherein the light emitting component is deactivated when the deflection direction is directed somewhere outside the marking area. The invention further relates to a corresponding marking device.)

1. Method for applying a marking (1) in a marking area (10) on an object (30), wherein

-emitting at least one light beam (27) with a light emitting member (23),

-moving the scanning means (25) to deflect the light beam (27) line by line over the marking area (10) while the light emitting means (23) is switched between being activated or deactivated in dependence of the mark (1) to be applied,

it is characterized in that

For each start of a line movement of the light beam (27) over the object (30),

-moving the scanning member (25) such that its deflection direction is directed to the start of a line (11) outside the marking area (10), and

-accelerating the scanning component (25) such that its deflection direction is accelerated from the line start (11) towards the marking area (10),

wherein the light emitting member (23) is deactivated when the deflection direction is directed somewhere outside the marking area (10).

2. The method of claim 1, wherein the first and second light sources are selected from the group consisting of,

it is characterized in that

The deflection direction is moved within the marking area (10) at a constant speed by means of a scanning member (25).

3. The method of claim 2, wherein the first and second light sources are selected from the group consisting of,

it is characterized in that

The constant speed of the deflection direction is set by the constant rotational speed of the scanning component (25).

4. The method of any one of claims 1 to 3,

it is characterized in that

For each line movement of the deflection direction, which accelerates from the respective line start (11) until the start of the marking area (10), the deflection direction is moved further at a constant speed from the start of the marking area (10).

5. The method of any one of claims 1 to 4,

it is characterized in that

When the deflection direction moves from the line start point (11) to the mark area (10), the moving acceleration in the deflection direction becomes smaller.

6. The method of any one of claims 1 to 5,

it is characterized in that

One original image line to be marked is represented by several adjacent lines shifted line by line in the deflection direction.

7. The method of any one of claims 1 to 6,

it is characterized in that

Deriving from the raw image data a number of image row vectors, each image row vector being constituted by a string of first pixel values for which the light emitting means (23) is activated and second pixel values for which the light emitting means (23) is deactivated,

the movement of the scanning component (25) is determined via the length and number of image line vectors,

in order to control the scanning unit (25) such that its deflection direction does not only move over the marking area, but also starts at the respective line start (11), a virtual vector is added to the image line vector,

the virtual vector is composed of only second pixel values.

8. The method of any one of claims 1 to 7,

it is characterized in that

In a line-by-line shift of the deflection direction, directly adjacent lines have an anti-parallel shift direction,

in order to compensate for the displacement between directly adjacent lines due to the marks of the respective lines shifting towards their respective line start points as a result of the acceleration of the deflection direction, every other line is displaced by a common adjustable amount.

9. The method of claim 8, wherein the first and second light sources are selected from the group consisting of,

it is characterized in that

To determine the value of the common adjustable quantity, the following steps are carried out:

-generating a reference mark, the reference mark being generated,

-analyzing the reference marks to determine a displacement between directly adjacent lines,

-the common adjustable amount is set in dependence of the determined displacement.

10. The method of any one of claims 1 to 9,

it is characterized in that

During an acceleration phase of the deflection direction between the start of a line (11) and the start of the marking area (10) and/or during a deceleration phase after leaving the marking area (10), a lateral movement of the deflection direction is carried out for shifting to the next line.

11. The method of any one of claims 1 to 10,

it is characterized in that

Multiple beams are directed simultaneously onto a scanning component (25) to produce several lines of indicia simultaneously.

12. The method of any one of claims 1 to 11,

it is characterized in that

Depending on the original image to be marked, some original image lines start with first pixel values for which the light emitting part is to be activated and others start with second pixel values for which the light emitting part is to be deactivated, resulting in some lines within the marked area (10) starting with unmarked areas (3) corresponding to the second pixel values and other lines within the marked area starting with marked areas (2) corresponding to the first pixel values,

the line start (11) of different lines is determined a fixed distance before a first area (2) to be marked within the marking area (11), said first area (2) corresponding to the 1 st first pixel value of the line, resulting in the line start (11) having a different position with respect to the line movement direction depending on the position of the 1 st first pixel value of the line.

13. Marking device for applying a mark (1) in a marking area (10) on an object (30), comprising

-a light emitting part (23) for emitting at least one light beam (27) for marking,

-a scanning component (25) for deflecting the light beam (27),

-control means (20) for moving the scanning means (25) to deflect the light beam (27) line by line over the marking area (10) while switching the light emitting means (23) between activation or deactivation depending on the mark (10) to be applied,

it is characterized in that

The control part (20) is adapted to

-for each start of a line movement of the light beam (27) over the object (30), moving the scanning component (25) such that a deflection direction of the scanning component (25) points to a line start (11) outside the marking area (10), and

-accelerating the scanning component (25) such that its deflection direction is accelerated from the line start (11) towards the marking area (10), and

-deactivating the light emitting member (23) when the deflection direction is directed somewhere outside the marking area (10).

14. The marking device of claim 13, wherein the marking device,

it is characterized in that

The scanning component (25) comprises at least two deflection elements, in particular mirrors, which can be rotated about different axes, and

the two deflection elements are jointly controlled to create a line-by-line movement.