Multi-direction camera in combination with a car

• US 5,708,857 A
• Filed: 09/20/1996
• Issued: 01/13/1998
• Est. Priority Date: 11/01/1995
• Status: Expired due to Fees

• Current Assignee: Niles Parts Co., Ltd. (Valeo SE)
• Original Assignee: Niles Parts Co., Ltd. (Valeo SE)
• Inventors: Ishibashi, Masamichi
• Primary Examiner(s): Metjahic, Safet
• Assistant Examiner(s): HAN, JANG K
• Application Number:
  US08/717,276
• Time in Patent Office: 480 Days
• Field of Search: 396/322, 396/323, 396/327, 396/331, 396/332, 396/335, 396/351, 396/20, 396/21, 396/429, 395/838, 395/842, 395/843, 395/850, 395/865, 395/871, 395/872, 395/877, 348/61, 348/64, 348/113, 348/114, 348/118, 348/143, 348/148
• US Class Current: 396/21
• CPC Class Codes: B60R 1/00 Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
• CPC Class Codes: B60R 1/025 comprising special mechanical means for correcting the field of view in relation to particular driving conditions, e.g. change of lane; scanning mirrors
• CPC Class Codes: B60R 1/25 to the sides of the vehicle
• CPC Class Codes: B60R 2300/303 using joined images, e.g. multiple camera images
• CPC Class Codes: B60R 2300/802 for monitoring and displaying vehicle exterior blind spot views
• CPC Class Codes: G03B 37/00 Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
• CPC Class Codes: H04N 23/58 Means for changing the camera field of view without moving the camera body, e.g. nutating or panning of optics or image sensors

Abstract

A multi-direction camera comprising a mirror 3 having a plurality of reflecting surfaces 31 and 32 disposed in front of a lens 4. The lens 4 receives light reflected from the mirror 3 from a plurality of directions and forms an image by the image sensor 7. The mirror 3 can be moved linearly by an actuator 8. The arrangement of the mirror 3 and lens 4 allows the camera to image road conditions of multiple directions at the same time. The camera can also image a road condition in a single direction with a wider scope manually or automatically when the road condition in that direction needs to be confirmed preponderantly.

Claims

1. A multi-direction camera in combination with a car, comprising:

a lens having a light receiving direction; and

a mirror having a plurality of reflecting surfaces disposed in front of said lens, said lens being arranged to receive light reflected from the mirror from a plurality of directions to form images on an image sensor, said mirror being supported so as to be movable linearly relative to said lens;

wherein one reflecting surface of said plurality of reflecting surfaces of said mirror is set facing a left direction of the car and the other reflecting surface is set facing a right direction of the car, respectively, and said mirror is arranged so as to be movable linearly relative to said lens in a direction perpendicular to the light receiving direction of said lens.

2. The multi-direction camera and car combination according to claim 1, wherein said mirror is connected to an actuator so as to be movable linearly by said actuator, said actuator is connected with a right/left turn signal generating circuit of the car via a controller, and said mirror is arranged so as to be movable linearly corresponding to a signal derived from said right/left turn signal generating circuit.

3. The multi-direction camera and car combination according to claim 1, wherein said direction perpendicular to the light receiving direction of said lens is parallel to said left and right directions, said mirror has a ridgeline at has a ridgeline at an intersection of said reflecting surfaces, and said mirror is movable linearly so that said ridgeline is selectively positioned to the left and right of a central axis of said lens, whereby said multidirection camera can be selectively adjusted to receive a wider image of a road condition in one of said left and right directions while receiving a narrower image of a road condition in the other of said left and right directions.

4. A multi-direction camera in combination with a car, comprising:

a lens; and

a mirror having a plurality of reflecting surfaces disposed in front of said lens, said lens being arranged to receive light reflected from the mirror from a plurality of directions to form images on an image sensor, said mirror being supported so as to be movable linearly relative to said lens;

wherein said mirror is connected to an actuator so as to be movable linearly by said actuator; and

wherein said actuator is connected with a right/left turn signal generating circuit of the car via a controller, and said mirror is arranged so as to be movable linearly corresponding to a signal derived from said right/left turn signal generating circuit.

5. A multi-direction camera in combination with a car,comprising:

a lens; and

a mirror having a plurality of reflecting surfaces disposed in front of said lens, said lens being arranged to receive light reflected from the mirror from a plurality of directions to form images on an image sensor, said mirror being supported so as to be movable linearly relative to said lens;

wherein said plurality of reflecting surfaces of said mirror comprise a first reflecting surface set facing the left direction of the car and a second reflecting surface set facing the right direction of the car, said mirror being linearly movable relative to said lens from a first position in which both of said reflecting surfaces reflect light into said lens and a second position in which only one of said reflecting surfaces reflect light into said lens.