JPS5736177B2 - - Google Patents
Info
- Publication number
- JPS5736177B2 JPS5736177B2 JP1315777A JP1315777A JPS5736177B2 JP S5736177 B2 JPS5736177 B2 JP S5736177B2 JP 1315777 A JP1315777 A JP 1315777A JP 1315777 A JP1315777 A JP 1315777A JP S5736177 B2 JPS5736177 B2 JP S5736177B2
- Authority
- JP
- Japan
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/05—Special features for controlling or switching of the light beam
- B60Q2300/052—Switching delay, i.e. the beam is not switched or changed instantaneously upon occurrence of a condition change
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/30—Indexing codes relating to the vehicle environment
- B60Q2300/33—Driving situation
- B60Q2300/332—Driving situation on city roads
- B60Q2300/3321—Detection of streetlights
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5135/76A GB1576612A (en) | 1976-02-10 | 1976-02-10 | Vehicle headlamp control circuits |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52103884A JPS52103884A (en) | 1977-08-31 |
| JPS5736177B2 true JPS5736177B2 (en]) | 1982-08-02 |
Family
ID=9790371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1315777A Granted JPS52103884A (en) | 1976-02-10 | 1977-02-10 | Car head lamp control circuit |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4117453A (en]) |
| JP (1) | JPS52103884A (en]) |
| DE (1) | DE2705320C2 (en]) |
| FR (1) | FR2340839A1 (en]) |
| GB (1) | GB1576612A (en]) |
| IT (1) | IT1077620B (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6310963U (en]) * | 1986-07-05 | 1988-01-25 |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4249160A (en) * | 1975-11-21 | 1981-02-03 | Chilvers Graham R | Vehicle mounted light activated control system |
| JPS54167957U (en]) * | 1978-05-17 | 1979-11-27 | ||
| US4376909A (en) * | 1979-04-13 | 1983-03-15 | Honda Giken Kogyo Kabushiki Kaisha | Automatic light control for automotive vehicles |
| US4449074A (en) * | 1983-02-23 | 1984-05-15 | Lutron Electronics Co., Inc. | Excess light turn-off circuit |
| US4613791A (en) * | 1984-02-02 | 1986-09-23 | Honda Motor Co., Ltd. | Automatic light control apparatus for vehicle |
| US4599544A (en) * | 1984-05-24 | 1986-07-08 | General Motors Corporation | Vehicle headlamp beam control |
| JPS6334886A (ja) * | 1986-07-28 | 1988-02-15 | アルプス電気株式会社 | ランプ調光装置 |
| GB8621672D0 (en) * | 1986-09-09 | 1986-10-15 | Heintzberger A H | Automatic headlight control system |
| US5047695A (en) * | 1990-02-20 | 1991-09-10 | General Electric Company | Direct current (DC) acoustic operation of xenon-metal halide lamps using high-frequency ripple |
| US5198727A (en) * | 1990-02-20 | 1993-03-30 | General Electric Company | Acoustic resonance operation of xenon-metal halide lamps on unidirectional current |
| US5182502A (en) * | 1991-05-06 | 1993-01-26 | Lectron Products, Inc. | Automatic headlamp dimmer |
| JP2745493B2 (ja) * | 1992-03-19 | 1998-04-28 | 矢崎総業株式会社 | 車両用前照灯制御装置 |
| US7653215B2 (en) * | 1997-04-02 | 2010-01-26 | Gentex Corporation | System for controlling exterior vehicle lights |
| JP2005199974A (ja) * | 2004-01-19 | 2005-07-28 | Denso Corp | 車両用ライト制御装置 |
| DE102007051268A1 (de) | 2007-10-26 | 2009-04-30 | Hella Kgaa Hueck & Co. | Anordnung für Kraftfahrzeuge zum Erkennen der Umgebungshelligkeit während der Fahrt des Kraftfahrzeuges |
| US8536997B2 (en) | 2010-08-12 | 2013-09-17 | General Electric Company | Vehicle lighting control apparatus and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3283161A (en) * | 1962-09-08 | 1966-11-01 | Ubukata Susumu | Fully automatic control device for illuminating lamps of motor vehicles |
| CH395762A (fr) * | 1963-06-26 | 1965-07-15 | Schick Georges | Dispositif de commande des phares d'une voiture automobile |
| GB1328789A (en) * | 1969-11-06 | 1973-09-05 | Moore R L | Appatatus for controlling the intensity of vehicle headlamps |
| US3828220A (en) * | 1969-11-06 | 1974-08-06 | Secretary Environment Brit | Apparatus for controlling the intensity of vehicle headlamps |
| US3780340A (en) * | 1971-06-18 | 1973-12-18 | Analog Monitors Inc | Light source with selectable intensity bandwidth |
-
1976
- 1976-02-10 GB GB5135/76A patent/GB1576612A/en not_active Expired
-
1977
- 1977-02-04 US US05/765,864 patent/US4117453A/en not_active Expired - Lifetime
- 1977-02-09 DE DE2705320A patent/DE2705320C2/de not_active Expired
- 1977-02-09 IT IT20111/77A patent/IT1077620B/it active
- 1977-02-10 JP JP1315777A patent/JPS52103884A/ja active Granted
- 1977-02-10 FR FR7703723A patent/FR2340839A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6310963U (en]) * | 1986-07-05 | 1988-01-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1077620B (it) | 1985-05-04 |
| US4117453A (en) | 1978-09-26 |
| DE2705320C2 (de) | 1985-04-25 |
| GB1576612A (en) | 1980-10-08 |
| FR2340839B1 (en]) | 1980-01-11 |
| JPS52103884A (en) | 1977-08-31 |
| FR2340839A1 (fr) | 1977-09-09 |
| DE2705320A1 (de) | 1977-08-11 |