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公开(公告)号：EP0154861B1
公开(公告)日：1988-06-01
申请号：EP85101928.1
申请日：1985-02-22
CPC分类号： G02F1/133553 , B60R1/088
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公开(公告)号：EP0173309A3
公开(公告)日：1987-05-27
申请号：EP85110817
申请日：1985-08-28
发明人： Suzuki, Yasutoshi , Itoh, Hiroshi , Ohmi, Shinya , Hara, Kunihiko
CPC分类号： B60R1/088
摘要： A control apparatus for controlling the glare shield of a reflecting mirror of a vehicle, wherein the reflecting mirror is provided with on the upper half and lower half portions respectively first and second electro-optic elements (4a, 4b) whose transmittance of light being variable, and when a first photo detecting circuit (70) determines that incident light on the reflecting mirror detected by an incident light detector (10) is the direct sunlight, a first control circuit (11) applies a voltage to the first electro-optic element (4a) to cause the upper half portion (30) of the reflecting mirror to become a glare shield condition, and when a second photo detecting circuit (80) determines that the incident light detected by an incident light detector (11) is light of a headlight of a following vehicle, a second control circuit (112) applies the voltage to the second electro-optic element (4b) to cause the lower half portion (40) of the reflecting mirror to become the glare shield condition.
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公开(公告)号：EP0144828A1
公开(公告)日：1985-06-19
申请号：EP84113754.0
申请日：1984-11-14
IPC分类号： G02F1/133
CPC分类号： G02F1/133382 , B60R1/088
摘要： An apparatus for driving a liquid crystal element (8) by an increased voltage and at a lowered frequency in conformity with temperature fall in the liquid crystal element (8) so as to achieve complete driving of the element even in a low temperature range. In order to increase the driving voltage, the apparatus comprises a booster circuit (3) for increasing a battery voltage, and a voltage divider circuit (4) including an element-temperature sensor (41) as a component thereof and serving to produce a control voltage (V2) by dividing the output voltage (V1) of the booster circuit (3). In such configuration, the booster circuit (3) performs its operation in such a manner as to maintain constant the control voltage (V2) obtained from the voltage divider circuit (4).
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公开(公告)号：EP0144053A2
公开(公告)日：1985-06-12
申请号：EP84114267.2
申请日：1984-11-26
CPC分类号： B60R1/088 , G02B7/1827 , G02F1/153
摘要： This invention discloses a glare-shielding reflector which controls light reflectance electrically. The present invention provides a glare-shielding type reflector having a photosensor block which can detect an incident angle of a luminous flux to the reflector and a glare-shielding layer which is divided into plural units and driven individually. A glare-shielding layer formed on a front surface of a mirror is divided into plural units and only the specified glare-shielding units are automatically put into a glare-shielding state, according to the incident angle of the luminous flux to the mirror.
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公开(公告)号：EP0173309B1
公开(公告)日：1990-04-25
申请号：EP85110817.5
申请日：1985-08-28
发明人： Suzuki, Yasutoshi , Itoh, Hiroshi , Ohmi, Shinya , Hara, Kunihiko
CPC分类号： B60R1/088
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公开(公告)号：EP0173309A2
公开(公告)日：1986-03-05
申请号：EP85110817.5
申请日：1985-08-28
发明人： Suzuki, Yasutoshi , Itoh, Hiroshi , Ohmi, Shinya , Hara, Kunihiko
CPC分类号： B60R1/088
摘要： A control apparatus for controlling the glare shield of a reflecting mirror of a vehicle, wherein the reflecting mirror is provided with on the upper half and lower half portions respectively first and second electro-optic elements (4a, 4b) whose transmittance of light being variable, and when a first photo detecting circuit (70) determines that incident light on the reflecting mirror detected by an incident light detector (10) is the direct sunlight, a first control circuit (11) applies a voltage to the first electro-optic element (4a) to cause the upper half portion (30) of the reflecting mirror to become a glare shield condition, and when a second photo detecting circuit (80) determines that the incident light detected by an incident light detector (11) is light of a headlight of a following vehicle, a second control circuit (112) applies the voltage to the second electro-optic element (4b) to cause the lower half portion (40) of the reflecting mirror to become the glare shield condition.
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公开(公告)号：EP0154861A1
公开(公告)日：1985-09-18
申请号：EP85101928.1
申请日：1985-02-22
CPC分类号： G02F1/133553 , B60R1/088
摘要： @ A reflection mirror using a liquid crystal cell (50) is disclosed. A first thin film (8a) consisting of one of magnesium difluoride, silicon dioxide, silicon monoxide or titanium dioxide is formed on a glass substrate (3b) supporting the liquid crystal cell and a thin aluminium film (8b) formed on the first thin film (8a) as a reflection mirror layer. Adhesiveness of the thin aluminium film to the glass substrate is strengthened by the first thin film. A second thin film (8c) is formed on the thin aluminium film (8b) to protect the same from being hurt. The reflection mirror may be used as a dazzle-free reflection mirror of an automotive vehicle.
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公开(公告)号：EP0149481A2
公开(公告)日：1985-07-24
申请号：EP85100246.9
申请日：1985-01-11
IPC分类号： B60R1/08
CPC分类号： B60R1/088
摘要： A control apparatus for a dazzle-free reflection mirror of a vehicle is disclosed. The control apparatus is provided with a rear light sensor and a circuit for driving the reflection mirror into a dazzle-free condition in accordance with an intensity of a rear light detected by said rear light sensor when a light switch is turned on. The control apparatus is further provided with a winker manipulation detecting switch, a reverse position detecting switch and a steering wheel detecting switch for detecting a change in the moving direction of the vehicle. When one of them detects the change in the vehicle moving direction, the dazzle-free operation of the reflection mirror is disabled even if intensive light is incident to the reflection mirror from the rear of the vehicle.
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公开(公告)号：EP0146672A1
公开(公告)日：1985-07-03
申请号：EP84106785.3
申请日：1984-06-14
IPC分类号： B60R1/08
CPC分类号： B60R1/088
摘要： A drive apparatus for a liquid crystal dazzlement preventing mirror arrangement (80) for automatically setting a liquid crystal panel of the mirror arrangement (80) to a dazzlement preventing state by detecting illuminance on the mirror surface and brightness in region near the mirror. An incident light detecting unit (4) detects incident light onto the mirror. An ambient light detecting unit (5) detects brightness in a region around the mirror. A control unit (6) receives both the incident light and the ambient light signals and produces a control signal for driving the liquid crystal panel through a drive unit (7). The apparatus includes an illuminance descri- mination function, which is performed in such a manner that in the event of the illuminance on the mirror surface is higher than first prescribed set value of incident light illuminance and the illuminance in region around the mirror is lower than a prescribed set value of ambient light illuminance, the dazzlement preventing state is provided, and that in the event of the incident light illuminance is higher than a second prescribed set value of incident light illuminance which is higher than that of the first set value, irrespective of the ambient light illuminance, the dazzlement preventing state is also provided.
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