DE3737979A1 - Mirror which can be physically dipped (stopped down) - Google Patents

Mirror which can be physically dipped (stopped down)

Info

Publication number
DE3737979A1
DE3737979A1 DE19873737979 DE3737979A DE3737979A1 DE 3737979 A1 DE3737979 A1 DE 3737979A1 DE 19873737979 DE19873737979 DE 19873737979 DE 3737979 A DE3737979 A DE 3737979A DE 3737979 A1 DE3737979 A1 DE 3737979A1
Authority
DE
Germany
Prior art keywords
mirror
characterized
dipped
light source
sensor
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.)
Withdrawn
Application number
DE19873737979
Other languages
German (de)
Inventor
Helmut Mayer
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.)
AUGUST MAYER METALLWARENFABRIK, 6700 LUDWIGSHAFEN,
Original Assignee
AUGUST MAYER METALLWARENFABRIK
HOER INGENIEURGESELLSCHAFT MBH
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 AUGUST MAYER METALLWARENFABRIK, HOER INGENIEURGESELLSCHAFT MBH filed Critical AUGUST MAYER METALLWARENFABRIK
Priority to DE19873737979 priority Critical patent/DE3737979A1/en
Publication of DE3737979A1 publication Critical patent/DE3737979A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00Optical viewing arrangements
    • B60R1/02Rear-view mirror arrangements
    • B60R1/08Rear-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
    • B60R1/083Anti-glare mirrors, e.g. "day-night" mirrors
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/08Mirrors

Abstract

Conventional mirrors which can be dipped can be easily misadjusted during tilting, or their construction is susceptible to failure. The novel mirror which can be dipped is intended to reduce the reflectivity (reflecting power) continuously without mechanical manipulation. The light which infringes, through a mirror surface which is coated on one side, upon a sensor is intended to control, by means of a corresponding circuit, a light source which changes the reflectivity of the mirror surface continuously. The field of use is in motor vehicles as interior and exterior mirrors.

Description

The invention relates to a mirror, in particular one dimmable rear view mirror for motor vehicles.

When driving motor vehicles at night, this bothers Rearview mirror light hitting the guide from behind of the motor vehicle. It is therefore known to be dimmable To provide mirrors, which are usually a swivel Prism included, by hand when dimming the Mirror is tilted to another position. The then reflective surface of the prism has a diminished Reflectivity.

It is also known to be between liquid crystals Glass plates and polarization applied to them filter with associated control to ver the reflection reduce (DBP 27 32 727.1).

The well-known dimmable rearview mirrors have Disadvantages. So when tilting the pivoting pris mas the mirror unintentionally easily adjusted what readjustment is necessary. The application this principle on motor vehicle wing mirrors is not common. Or the structure and construction of the aperture furnishings are complicated and prone to failure as well as with associated with high costs. That adversely affects the  Operational and traffic safety.

It is therefore the object of the invention to provide a mirror special a dimmable rearview mirror for power to provide vehicles that have the disadvantages of the known Avoids facilities and allows the reflect ability during the dimming process without one Intervention of the driver is infinitely variable to reduce.

The aim of the invention is defined in the main claim marked features achieved. Appropriate Ausge Events of the invention are set out in the dependent claims posed.

The invention is principally Darge in the drawing and described in more detail as follows:

An embodiment of the Einrich device according to the invention contains a plate 1 made of plastic or glass, which is provided with a reflective surface 2 on the front. Such devices are known and are not described in detail. The plate 1 is bordered on the back by a housing 3 made of plastic material or metal. The housing 3 contains an opening 4 for receiving the board 5 , on the front 6 a light source 7 , z. B. a soffit lamp, and a sensor 9 provided with a side shield 8 are applied. On the back of the board 5 , the necessary control 10 is brought between the light source 7 and sensor 9 . The board is connected by means of releasable plug connections through cables 11 to the power supply of the vehicle.

In normal operation, the incident light is reflected undiminished by the reflection surface 2 , since the sensor 9 and the controller 10 do not respond due to the small amount of light. More intense light, ie when glare occurs, causes the sensor 9 to generate a control voltage by means of which current flows to the light source 7 via the controller 10 . As a result, the plate 1 is illuminated from the rear side. The reflection is reduced so that the glare of the incident light is eliminated.

The process runs without necessary manipulation by the Motorists from.

Claims (4)

1. Mirror, characterized in that the reflection ability of an only front-coated mirror surface is continuously reduced by a rear-mounted light source.
2. Mirror, in particular a dimmable rearview mirror according to claim 1, characterized in that a self active control of the light source by a light sensitive sensor with associated control.
3. Mirror according to one of the preceding claims, characterized characterized that light source, sensor and control on a replaceable circuit board are arranged.
4. Mirror according to one of the preceding claims, characterized characterized in that in a motor vehicle as an interior and outside mirrors can be used.
DE19873737979 1987-11-09 1987-11-09 Mirror which can be physically dipped (stopped down) Withdrawn DE3737979A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873737979 DE3737979A1 (en) 1987-11-09 1987-11-09 Mirror which can be physically dipped (stopped down)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873737979 DE3737979A1 (en) 1987-11-09 1987-11-09 Mirror which can be physically dipped (stopped down)

Publications (1)

Publication Number Publication Date
DE3737979A1 true DE3737979A1 (en) 1989-05-18

Family

ID=6340100

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873737979 Withdrawn DE3737979A1 (en) 1987-11-09 1987-11-09 Mirror which can be physically dipped (stopped down)

Country Status (1)

Country Link
DE (1) DE3737979A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0568210A1 (en) * 1992-04-30 1993-11-03 Britax (Geco) S.A. Rear view mirror

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE928574C (en) * 1952-08-14 1955-06-02 Peter Cameron Cameron Glare-free mirror device, particularly for motor vehicles
DE1923250U (en) * 1965-06-22 1965-09-09 Willi Frantzmann Motor vehicle Rearview Mirror with light automatic.
DE2030860A1 (en) * 1970-06-23 1971-12-30 Waly M
DE3041692A1 (en) * 1979-11-08 1981-05-21 Eumig Vehicle rear-view mirror - has antidazzle shutter moving in response to photodetector, detecting vehicle approaching from behind

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE928574C (en) * 1952-08-14 1955-06-02 Peter Cameron Cameron Glare-free mirror device, particularly for motor vehicles
DE1923250U (en) * 1965-06-22 1965-09-09 Willi Frantzmann Motor vehicle Rearview Mirror with light automatic.
DE2030860A1 (en) * 1970-06-23 1971-12-30 Waly M
DE3041692A1 (en) * 1979-11-08 1981-05-21 Eumig Vehicle rear-view mirror - has antidazzle shutter moving in response to photodetector, detecting vehicle approaching from behind

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JP 58 1 66 302 a. In: Patents Abstracts of Japan, 1984, P-246 *
JP 60 2 08 703 A. In: Patents Abstracts of Japan, 1986, P-437 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0568210A1 (en) * 1992-04-30 1993-11-03 Britax (Geco) S.A. Rear view mirror

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Legal Events

Date Code Title Description
OM8 Search report available as to paragraph 43 lit. 1 sentence 1 patent law
8127 New person/name/address of the applicant

Owner name: AUGUST MAYER METALLWARENFABRIK, 6700 LUDWIGSHAFEN,

8141 Disposal/no request for examination