# US 12,594,833 B2 · Display control device

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- Number: US 12,594,833 B2
- Document ID: US12594833B2
- Status: Granted
- Kind: B2
- Application number: 18/441,364
- Filed: 2024-02-14
- Published: 2024-06-06
- Granted: 2026-04-07
- Earliest claimed: 2021-08-16
- Assignees: J-QuAD DYNAMICS INC.
- Applicants: J-QuAD DYNAMICS Inc.
- Inventors: Yuuki Ozawa; Koji Shibata; Yusuke Minamoto
- Web page: https://patentgrep.com/patent/US12594833B2

## CPC

- B60K 35/28: characterised by the type of the output information, e.g. video entertainment or vehicle dynamics information; characterised by the purpose of the output information, e.g. for attracting the attention of the driver
- B60K 35/10: Input arrangements, i.e. from user to vehicle, associated with vehicle functions or specially adapted therefor
- B60K 35/22: Display screens
- B60K 35/81: for controlling displays
- B60W 50/14: Means for informing the driver, warning the driver or prompting a driver intervention
- G09G 5/00: Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators (image data processing or generation, in general G06T)
- G09G 5/36: characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G 5/377: for mixing or overlaying two or more graphic patterns (G09G5/02, G09G5/397 take precedence)
- B60W 2050/146: {Display means}
- B60W 2520/105: Longitudinal acceleration
- B60W 2520/125: Lateral acceleration
- B60W 2540/18: Steering angle
- B60W 2540/223: Posture, e.g. hand, foot, or seat position, turned or inclined
- B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60W: CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00)

## Abstract

A display control device executes a calculation acceleration acquisition processing and a display processing. The calculation acceleration acquisition processing includes a process of acquiring a calculation acceleration variable that indicates a calculated acceleration of a vehicle in response to a driving state of the vehicle or a driving state of the vehicle that generates the calculated acceleration. The display processing includes a process of displaying an image that is visible to an occupant of the vehicle by operating a display device, and includes an image variation process of changing the image in response to the calculation acceleration variable.

## Claims

### Claim 1

A display control device comprising:
at least one of (i) a circuit and (ii) a processor having a memory storing computer program code, wherein the at least one of the circuit and the processor having the memory is configured to cause the display control device to execute a calculation acceleration acquisition processing and a display processing, wherein
the calculation acceleration acquisition processing includes a process of acquiring a calculation acceleration variable,
the calculation acceleration variable includes a variable indicating a calculated acceleration of a vehicle in response to a driving state of the vehicle, or a driving state of the vehicle that generates an acceleration of the vehicle,
the display processing includes a process of displaying an image that is visible to an occupant of the vehicle by operating a display device, and includes an image variation process,
the image variation process includes a process of changing the image in response to the calculation acceleration variable,
the calculation acceleration variable includes a variable related to a steering angle of a steering wheel of the vehicle as a variable indicating a driving state of the vehicle that generates a lateral acceleration of the vehicle, and
in a case where the steering angle deviates from zero, the image variation process includes a process of changing the image with respect to a straight traveling of the vehicle, and includes a process of changing an amount of change in the image in response to the steering angle, when a magnitude of the steering angle is greater than zero, such that the magnitude of the steering angle becomes larger when the amount of change in the image is larger than when the amount of change in the image is smaller,
wherein the image variation process includes a steering filter process to lower a responsiveness of change in the image with respect to a change in the steering angle.

### Claim 2 (depends on 1)

The display control device according to claim 1, wherein
the calculation acceleration variable includes a variable indicating an acceleration of the vehicle in a front-rear direction in response to a command to a driving system of the vehicle, and
in a case where the calculation acceleration variable indicates an acceleration in a forward travelling of the vehicle, the image variation process includes a process of changing the image with respect to a travelling of the vehicle at a constant speed, and includes a process of changing an amount of change in the image in response to the calculation acceleration variable, when the acceleration is greater than zero, such that a magnitude of the acceleration becomes larger when the amount of change in the image is larger than when the amount of change in the image is smaller.

### Claim 3 (depends on 1)

The display control device according to claim 1, wherein
the at least one of the circuit and the processor having the memory is configured to cause the display control device to execute a vehicle speed acquisition process to acquire a traveling speed of the vehicle, and
in the case where the steering angle deviates from zero, the image variation process includes a process of changing the image with respect to a straight traveling of the vehicle, and includes a process of setting an amount of change in the image to a different value in response to the traveling speed of the vehicle, while the steering angle is the same, such that the traveling speed of the vehicle becomes larger when the amount of change is larger than when the amount of change is smaller.

### Claim 4 (depends on 1)

The display control device according to claim 1 wherein
the at least one of the circuit and the processor having the memory is configured to cause the display control device to execute an angular velocity acquisition process to acquire a change speed of the steering angle, and
the steering filter process includes a responsiveness variable process to change a degree of decrease in the responsiveness in response to a magnitude of the change speed, such that the magnitude of the change speed becomes larger when the responsiveness is higher than when the responsiveness is lower.

### Claim 5 (depends on 1)

The display control device according to claim 1, wherein
the at least one of the circuit and the processor having the memory is configured to cause the display control device to execute a vertical G acquisition process to acquire a detection value of an acceleration sensor that detects an acceleration of the vehicle in an up-down direction, and
the image variation process includes a process of displacing the image in the up-down direction of the vehicle in response to the detection value.

### Claim 6

A display control device comprising:
at least one of (i) a circuit and (ii) a processor having a memory storing computer program code, wherein the at least one of the circuit and the processor having the memory is configured to cause the display control device to execute a calculation acceleration acquisition processing and a display processing, wherein
the calculation acceleration acquisition processing includes a process of acquiring a calculation acceleration variable,
the calculation acceleration variable includes a variable indicating a calculated acceleration of a vehicle in response to a driving state of the vehicle, or a driving state of the vehicle that generates an acceleration of the vehicle,
the display processing includes a process of displaying an image that is visible to an occupant of the vehicle by operating a display device, and includes an image variation process,
the image variation process includes a process of changing the image in response to the calculation acceleration variable,
the at least one of the circuit and the processor having the memory is configured to cause the display control device to execute a vertical G acquisition process to acquire a detection value of an acceleration sensor that detects an acceleration of the vehicle in an up-down direction,
the image variation process includes a process of displacing the image in the up-down direction of the vehicle in response to the detection value, and
the at least one of the circuit and the processor having the memory is configured to cause the display control device to execute a vertical filter process to reduce a responsiveness of change in the image in the up-down direction with respect to a change in the detection value.

### Claim 7 (depends on 6)

The display control device according to claim 6, wherein
the at least one of the circuit and the processor having the memory is configured to cause the display control device to execute a head behavior acquisition process of acquiring an output signal of a sensing device that senses a behavior of a head of an occupant in the vehicle, and
the vertical filter process includes a process of changing a responsiveness of a displacement of the image with respect to an acceleration in the up-down direction, in response to an amount of variation in a position of the head, such that the amount of variation becomes smaller when the responsiveness is higher than when the responsiveness is lower.

### Claim 8 (depends on 1)

The display control device according to claim 1, wherein the image is a peripheral image displayed around an image desired by an occupant of the vehicle.

### Claim 9 (depends on 1)

An image display method comprising executing each of the calculation acceleration acquisition processing and the display processing in the display control device according to claim 1.

### Claim 10 (depends on 1)

A non-transitory storage medium storing an image display program that causes a computer to execute each of the calculation acceleration acquisition processing and the display processing in the display control device according to claim 1.

### Claim 11 (depends on 6)

The display control device according to claim 6, wherein the image is a peripheral image displayed around an image desired by an occupant of the vehicle.

### Claim 12 (depends on 6)

An image display method comprising executing each of the calculation acceleration acquisition processing and the display processing in the display control device according to claim 6.

### Claim 13 (depends on 6)

A non-transitory storage medium storing an image display program that causes a computer to execute each of the calculation acceleration acquisition processing and the display processing in the display control device according to claim 6.