# US 2014/0191567 A1 · Meter with projector for vehicle

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- Number: US 2014/0191567 A1
- Document ID: US20140191567A1
- Status: Published application
- Kind: A1
- Application number: 13/736,301
- Filed: 2013-01-08
- Published: 2014-07-10
- Earliest claimed: 2013-01-08
- Assignees: Denso Corporation; DENSO International America, Inc.
- Applicants: Denso International America, Inc.; Denso Corporation
- Inventors: Hiroshi Tominaga
- Web page: https://patentgrep.com/patent/US20140191567A1

## CPC

- 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 35/50: Instruments characterised by their means of attachment to or integration in the vehicle (B60K35/231 takes precedence)
- B60K 35/60: Instruments characterised by their location or relative disposition in or on vehicles (arrangements of lighting devices on dashboards B60Q3/10)
- B60K 35/215: characterised by the combination of multiple visual outputs, e.g. combined instruments with analogue meters and additional displays
- B60K 37/20: Dashboard panels
- B60K 2360/143: Touch sensitive instrument input devices
- B60K 2360/333: Lasers
- B60K 2360/334: Projection means
- B60K 2360/693: Cover plate features
- 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

## Abstract

A meter device for a vehicle has a meter module protruded on a dashboard. A chassis module installed in the dashboard is extending on a front side of the meter module. The chassis module has a projection module having a laser light source and a reflector. The chassis module further has an indicator module which displays a character or a sign. The chassis module, the meter module, the indicator module, and the projection module are formed in an assembly which can be handled as a single unit. The projection module projects an image on the meter module by reflecting laser light. The laser light is reflected by the reflector toward the meter module from an obliquely lower side on the front side of the meter module. The meter module may have a cover member provided by a liquid-crystal shutter board and/or a touch panel.

## Claims

### Claim 1

A meter with a projector comprising:
a meter module which is disposed on a dashboard of a vehicle in a protruding manner, and has a display device to display condition of the vehicle;
a chassis module which is disposed on the dashboard to be extended on a front side of the meter module; and
a projector module disposed on the chassis module, which has a laser light source and a reflector, and which projects an image on the meter module from the front side of the meter module by scanning laser light supplied from the laser light source.

### Claim 2 (depends on 1)

The meter with a projector claimed in claim 1, wherein
the meter module is disposed on the chassis module,
the reflector is disposed on one end of the chassis module at the front side of the meter module, and
the projection module projects the image on the meter module from an obliquely lower side on the front side of the meter module.

### Claim 3 (depends on 2)

The meter with a projector claimed in claim 2, further comprising:
an indicator module disposed on one end of the chassis module at the front side of the meter module, which displays a character or a sign, wherein
the reflector is disposed behind the indicator module.

### Claim 4 (depends on 2)

The meter with a projector claimed in claim 2, wherein
the meter module is disposed on one end of the chassis module, and
the reflector is disposed on the other end of the chassis module.

### Claim 5 (depends on 1)

The meter with a projector claimed in claim 1, wherein
the meter module includes a cover member which covers the display device, and
the projector module projects the image on the cover member.

### Claim 6 (depends on 5)

The meter with a projector claimed in claim 5, wherein
the cover member includes a liquid crystal shutter board which is capable of switching between a visible state in which the display device is visible and an invisible state in which the display device is invisible.

### Claim 7 (depends on 1)

The meter with a projector claimed in claim 1, wherein
the cover member includes a touch panel which detects touch of a user body.

### Claim 8 (depends on 1)

The meter with a projector claimed in claim 1, wherein
the chassis module includes a controller which controls the meter module and the projector module.

### Claim 9 (depends on 1)

The meter with a projector claimed in claim 1, further comprising:
an indicator module disposed on one end of the chassis module at the front side of the meter module, which displays a character or a sign, wherein
the chassis module includes a controller which controls the meter module, the indicator module, and the projector module, and wherein
the meter module is disposed on the chassis module so that the chassis module, the meter module, the indicator module, and the projector module are formed in an assembly unit which can be handled as a single unit, and wherein
the reflector is disposed on one end of the chassis module at the front side of the meter module, and wherein
the reflector is a movable reflector which scans the laser light supplied from the laser light source, and is disposed behind the indicator module, and wherein
the laser light source is disposed on the controller at a position between the meter module and the reflector, and wherein
the projection module projects the image on the meter module by reflecting laser light supplied from the laser light source toward the front side of the meter module,
the laser light being reflected by the reflector toward the meter module from an obliquely lower side of the front side of the meter module.
