# US 12,005,920 B2 · Control device, vehicle, mobile terminal, and display device

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- Number: US 12,005,920 B2
- Document ID: US12005920B2
- Status: Granted
- Kind: B2
- Application number: 17/947,484
- Filed: 2022-09-19
- Published: 2023-05-11
- Granted: 2024-06-11
- Earliest claimed: 2021-11-10
- Assignees: Toyota Jidosha Kabushiki Kaisha
- Applicants: Toyota Jidosha Kabushiki Kaisha
- Inventors: Masaki Ito; Sui Kurihashi; Hiroya Chiba
- Web page: https://patentgrep.com/patent/US12005920B2

## CPC

- B60W 50/14: Means for informing the driver, warning the driver or prompting a driver intervention
- G09G 3/002: {to project the image of a two-dimensional display, such as an array of light emitting or modulating elements or a CRT}
- 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 35/23: Head-up displays [HUD] (optical aspects of head-up displays G02B27/01)
- 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 35/29: Instruments characterised by the way in which information is handled, e.g. showing information on plural displays or prioritising information according to driving conditions
- B60K 35/60: Instruments characterised by their location or relative disposition in or on vehicles (arrangements of lighting devices on dashboards B60Q3/10)
- B60K 35/80: Arrangements for controlling instruments
- B60K 35/81: for controlling displays
- B60W 40/1005: {Driving resistance}
- B60W 40/12: related to parameters of the vehicle itself {, e.g. tyre models}
- G06F 3/14: Digital output to display device {; Cooperation and interconnection of the display device with other functional units}
- G06V 20/58: Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
- B60K 2360/174: Economic driving
- B60K 2360/191: Highlight information
- B60K 2360/566: Mobile devices displaying vehicle information
- B60W 2050/146: {Display means}
- B60W 2420/403: Image sensing, e.g. optical camera
- B60W 2554/402: Type
- B60W 2554/4023: large-size vehicles, e.g. trucks
- G09G 2354/00: Aspects of interface with display user
- G09G 2380/10: Automotive applications
- 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)
- 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
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING

## Abstract

A control device that executes display control to perform emphasis display of a preceding vehicle, includes a detection unit that detects a candidate vehicle for a following target from among a plurality of the preceding vehicles; a calculation unit that calculates, a reduction effect of energy consumption to be obtained when traveling following the candidate vehicle; and an emphasis display setting unit that performs setting for performing emphasis display of the candidate vehicle. Further, when the display control is executed, the emphasis display of the candidate vehicle is performed according to a degree of emphasis set by the emphasis display setting unit.

## Claims

### Claim 1

A control device that executes display control to perform emphasis display of a preceding vehicle traveling in front of a predetermined vehicle, the control device comprising:
a detection unit that detects a candidate vehicle that is a candidate for a following target of the predetermined vehicle from among a plurality of the preceding vehicles;
a calculation unit that calculates, for the candidate vehicle detected, a reduction effect of energy consumption to be obtained by the predetermined vehicle when traveling following the candidate vehicle; and
an emphasis display setting unit that performs setting for performing emphasis display of the candidate vehicle for which the reduction effect has been calculated, and sets a degree of emphasis of the emphasis display to be higher for a vehicle with which the reduction effect is large than for a vehicle with which the reduction effect is small, wherein
when the display control is executed, the emphasis display of the candidate vehicle is performed according to the degree of emphasis set by the emphasis display setting unit.

### Claim 2 (depends on 1)

The control device according to claim 1, wherein
the detection unit detects a plurality of the candidate vehicles, and
the calculation unit calculates the reduction effect for each of the candidate vehicles, and
the emphasis display setting unit
sets the degree of emphasis to be higher for a vehicle with which the reduction effect is large among the plurality of the candidate vehicles than for a vehicle with which the reduction effect is small, and
performs, when the display control is executed, the emphasis display of both the vehicle with which the reduction effect is large and the vehicle with which the reduction effect is small according to the degree of emphasis set by the emphasis display setting unit.

### Claim 3 (depends on 1)

The control device according to claim 1, wherein
the calculation unit calculates, as the reduction effect of the energy consumption, a reduction effect of air resistance to be obtained by the predetermined vehicle when traveling following the candidate vehicle, and
the emphasis display setting unit sets the degree of emphasis to be higher for a vehicle with which the reduction effect of the air resistance is large than for a vehicle with which the reduction effect of the air resistance is small.

### Claim 4 (depends on 1)

A vehicle comprising the control device according to claim 1, the vehicle comprising:
a detection unit that detects a candidate vehicle that is a candidate for a following target of the predetermined vehicle from among a plurality of the preceding vehicles;
a calculation unit that calculates, for the candidate vehicle detected, a reduction effect of energy consumption to be obtained by the predetermined vehicle when traveling following the candidate vehicle; and
an emphasis display setting unit that performs setting for performing emphasis display of the candidate vehicle for which the reduction effect has been calculated, and sets a degree of emphasis of the emphasis display to be higher for a vehicle with which the reduction effect is large than for a vehicle with which the reduction effect is small, wherein
when the control device executes the display control, the emphasis display of the candidate vehicle is performed according to the degree of emphasis set by the emphasis display setting unit.

### Claim 5 (depends on 4)

The vehicle according to claim 4, wherein
the detection unit detects a plurality of the candidate vehicles, and
the calculation unit calculates the reduction effect for each of the candidate vehicles, and
the emphasis display setting unit
sets the degree of emphasis to be higher for a vehicle with which the reduction effect is large among the plurality of candidate vehicles than for a vehicle with which the reduction effect is small, and
when the control device executes the display control, the control device performs the emphasis display of both the vehicle with which the reduction effect is large and the vehicle with which the reduction effect is small according to the degree of emphasis set by the emphasis display setting unit.

### Claim 6 (depends on 4)

The vehicle according to claim 4, wherein
the calculation unit calculates, as the reduction effect of the energy consumption, a reduction effect of air resistance to be obtained by the predetermined vehicle when traveling following the candidate vehicle, and
the emphasis display setting unit sets the degree of emphasis to be higher for a vehicle with which the reduction effect of the air resistance is large than for a vehicle with which the reduction effect of the air resistance is small.

### Claim 7 (depends on 4)

A mobile terminal communicably connected to the vehicle according to claim 4, the mobile terminal comprising:
a communication unit that receives image data of emphasis display transmitted from the vehicle; and
a display unit that performs the emphasis display of the candidate vehicle in accordance with the image data of emphasis display received from the vehicle.

### Claim 8

A display device that performs emphasis display of a preceding vehicle traveling in front of a predetermined vehicle, the display device comprising:
a detection unit that detects a candidate vehicle that is a candidate for a following target of the predetermined vehicle from among a plurality of the preceding vehicles;
a calculation unit that calculates, for the candidate vehicle detected, a reduction effect of energy consumption to be obtained by the predetermined vehicle when following the candidate vehicle;
an emphasis display setting unit that performs setting for performing emphasis display of the candidate vehicle for which the reduction effect has been calculated, and sets a degree of emphasis of the emphasis display to be higher for a vehicle with which the reduction effect is large than for a vehicle with which the reduction effect is small; and
a display unit that performs the emphasis display of the candidate vehicle according to the degree of emphasis set by the emphasis display setting unit.

### Claim 9 (depends on 8)

The display device according to claim 8, wherein
the detection unit detects a plurality of the candidate vehicles, and
the calculation unit calculates the reduction effect for each of the candidate vehicles, and
the emphasis display setting unit
sets the degree of emphasis to be higher for a vehicle with which the reduction effect is large among the plurality of candidate vehicles than for a vehicle with which the reduction effect is small, and
the display unit performs the emphasis display of both the vehicle with which the reduction effect is large and the vehicle with which the reduction effect is small according to the degree of emphasis set by the emphasis display setting unit.

### Claim 10 (depends on 8)

The display device according to claim 8, wherein
the calculation unit calculates, as the reduction effect of the energy consumption, a reduction effect of air resistance to be obtained by the predetermined vehicle when traveling following the candidate vehicle, and
the emphasis display setting unit sets the degree of emphasis to be higher for a vehicle with which the reduction effect of the air resistance is large than for a vehicle with which the reduction effect of the air resistance is small.