# US 12,047,542 B2 · Image data transfer control device and image data transfer control method

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- Number: US 12,047,542 B2
- Document ID: US12047542B2
- Status: Granted
- Kind: B2
- Application number: 17/552,957
- Filed: 2021-12-16
- Published: 2022-04-07
- Granted: 2024-07-23
- Earliest claimed: 2020-03-25
- Assignees: Toshiba Tec Kabushiki Kaisha
- Applicants: Toshiba Tec Kabushiki Kaisha
- Inventors: Masami Ohshima
- Web page: https://patentgrep.com/patent/US12047542B2

## CPC

- H04N 1/02481: {Arrangements for positioning elements within a head (H04N1/02409 takes precedence)}
- H04N 1/0249: {Arrangements for mounting or supporting elements within a scanning head (H04N1/02481 takes precedence)}
- H04N 1/02865: {using an array of light sources or a combination of such arrays, e.g. an LED bar}
- H04N 1/047: Detection, control or error compensation of scanning velocity or position ({H04N1/0402 and } H04N1/17 take precedence)
- H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION

## Abstract

An image data transfer control device includes a first interface, a first and a second memory, a processor, and a second interface. The first interface acquires image data transferred in predetermined units. The first memory stores inclination correction data corresponding to the inclination of a print head, and correction position data indicating a correction position included in at least one divided image line among the predetermined number of divided image lines including each divided image line group. The second memory stores correction target image data at the correction position. The processor selects each divided image line group based on the inclination correction data, and specifies first and second correction target image data. The second interface outputs the second divided image line group including the first correction target image data instead of the second correction target image data.

## Claims

### Claim 1

An image data transfer control device comprising:
a first memory configured to store a portion of a first divided line of a plurality of first divided image lines that are included in a first image line; and
a processor configured to:
acquire a second divided line of a plurality of second divided image lines that are included in a second image line;
output, to a print head, a corrected divided image line including the portion of the first divided image line and a portion of the second divided image line; and
replace, in the first memory, the portion of the first divided image line with a remaining portion of the second divided image line.

### Claim 2 (depends on 1)

The device according to claim 1, wherein
the print head is configured to print an image based on image data in units of divided image lines, each divided image line being constituted of a plurality of bits.

### Claim 3 (depends on 1)

The device according to claim 1, further comprising:
a second memory configured to store:
inclination correction data corresponding to an inclination of the print head; and
correction position data indicating a correction position included in at least one divided image line among a predetermined number of divided image lines.

### Claim 4 (depends on 3)

The device according to claim 3, wherein
the processed is configured to determine, based on the correction position data, the corrected divided image line.

### Claim 5 (depends on 4)

The device according to claim 4, wherein
the processor is configured to specify the portion of the first divided image line as data from the correction position to an end of the first divided image line and the portion of the second divided image line as data from a beginning of the second divided image line to the correction position, respectively.

### Claim 6 (depends on 1)

The device according to claim 1, wherein
the plurality of first divided image lines are arranged along a main scanning direction, and the plurality of second divided image lines are arranged along the main scanning direction.

### Claim 7 (depends on 1)

The device according to claim 1, wherein
the first image line and the second image line are arranged along a sub-scanning direction orthogonal to the main scanning direction.

### Claim 8

An image data transfer control method, comprising:
storing, in a first memory, a portion of one of a plurality of first divided image lines that are included in a first image line;
acquiring one of a plurality of second divided image lines that are included in a second image line;
outputting, to a print head, a corrected divided image line including the portion of the first divided image line and a portion of the second divided image line; and
replacing, in the first memory, the portion of the first divided image line with a remaining portion of the second divided image line.

### Claim 9 (depends on 8)

The method according to claim 8, wherein
the print head is configured to print an image based on image data in units of divided image lines, each divided image line being constituted of a plurality of bits.

### Claim 10 (depends on 8)

The method according to claim 8, further comprising:
storing, in a second memory, inclination correction data corresponding to an inclination of the print head, and correction position data indicating a correction position included in at least one divided image line among a predetermined number of divided image lines.

### Claim 11 (depends on 10)

The method according to claim 10, further comprising:
determining, based on the correction position data, the corrected divided image line.

### Claim 12 (depends on 11)

The method according to claim 11, further comprising:
specifying the portion of the first divided image line as data from the correction position to an end of the first divided image line and the portion of the second divided image line as data from a beginning of the second divided image line to the correction position, respectively.

### Claim 13 (depends on 8)

The method according to claim 8, wherein
the plurality of first divided image lines are arranged along a main scanning direction, and the plurality of second divided image lines are arranged along the main scanning direction.

### Claim 14 (depends on 8)

The method according to claim 8, wherein
the first image line and the second image line are arranged along a sub-scanning direction orthogonal to the main scanning direction.

### Claim 15

A non-transitory computer-readable medium configured to store instructions thereon, which instructions, when executed by a processor, cause a controller to perform operations comprising:
storing, in a first memory, a portion of one of a plurality of first divided image lines that are included in a first image line;
acquiring one of a plurality of second divided image lines that are included in a second image line;
outputting, to a print head, a corrected divided image line including the portion of the first divided image line and a portion of the second divided image line; and
replacing, in the first memory, the portion of the first divided image line with a remaining portion of the second divided image line.

### Claim 16 (depends on 15)

The non-transitory computer-readable medium according to claim 15, wherein the operations further comprise:
storing, in a second memory, inclination correction data corresponding to an inclination of the print head, and correction position data indicating a correction position included in at least one divided image line among a predetermined number of divided image lines.

### Claim 17 (depends on 15)

The non-transitory computer-readable medium according to claim 15, wherein the operations further comprise:
determining, based on the correction position data, the corrected divided image line.

### Claim 18 (depends on 17)

The non-transitory computer-readable medium according to claim 17, wherein the operations further comprise:
specifying the portion of the first divided image line as data from the correction position to an end of the first divided image line and the portion of the second divided image line as data from a beginning of the second divided image line to the correction position, respectively.

### Claim 19 (depends on 15)

The non-transitory computer-readable medium according to claim 15, wherein
the plurality of first divided image lines are arranged along a main scanning direction, and the plurality of second divided image lines are arranged along the main scanning direction.

### Claim 20 (depends on 15)

The non-transitory computer-readable medium according to claim 15, wherein the first image line and the second image line are arranged along a sub-scanning direction orthogonal to the main scanning direction.
