CA2119962A1 - Light Sensing Means - Google Patents

Light Sensing Means

Info

Publication number
CA2119962A1
CA2119962A1 CA2119962A CA2119962A CA2119962A1 CA 2119962 A1 CA2119962 A1 CA 2119962A1 CA 2119962 A CA2119962 A CA 2119962A CA 2119962 A CA2119962 A CA 2119962A CA 2119962 A1 CA2119962 A1 CA 2119962A1
Authority
CA
Canada
Prior art keywords
sensing means
light sensing
effective
light
economy
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2119962A
Other languages
French (fr)
Other versions
CA2119962C (en
Inventor
Frederick T. Bauer
Jon H. Bechtel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gentex Corp
Original Assignee
Frederick T. Bauer
Jon H. Bechtel
Gentex Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Frederick T. Bauer, Jon H. Bechtel, Gentex Corporation filed Critical Frederick T. Bauer
Publication of CA2119962A1 publication Critical patent/CA2119962A1/en
Application granted granted Critical
Publication of CA2119962C publication Critical patent/CA2119962C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—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
    • B60R1/02—Rear-view mirror arrangements
    • B60R1/08—Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors
    • B60R1/083—Anti-glare mirrors, e.g. "day-night" mirrors
    • B60R1/088—Anti-glare mirrors, e.g. "day-night" mirrors using a cell of electrically changeable optical characteristic, e.g. liquid-crystal or electrochromic mirrors

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

An improved light sensing means incorporating means effective to direct light from a convenient location to a conveniently placed light sensor, the light sensing means being effective to optimize the performance and economy of automatic rearview mirror systems for automotive vehicles.
CA002119962A 1993-08-23 1994-03-25 Light sensing means Expired - Fee Related CA2119962C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US110,373 1993-08-23
US08/110,373 US5434407A (en) 1993-08-23 1993-08-23 Automatic rearview mirror incorporating light pipe

Publications (2)

Publication Number Publication Date
CA2119962A1 true CA2119962A1 (en) 1995-02-24
CA2119962C CA2119962C (en) 1998-06-30

Family

ID=22332667

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002119962A Expired - Fee Related CA2119962C (en) 1993-08-23 1994-03-25 Light sensing means

Country Status (2)

Country Link
US (1) US5434407A (en)
CA (1) CA2119962C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4311978A1 (en) * 2022-07-28 2024-01-31 Valeo Comfort and Driving Assistance Display

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Also Published As

Publication number Publication date
US5434407A (en) 1995-07-18
CA2119962C (en) 1998-06-30

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