JPS4972976A - - Google Patents
Info
- Publication number
- JPS4972976A JPS4972976A JP48109420A JP10942073A JPS4972976A JP S4972976 A JPS4972976 A JP S4972976A JP 48109420 A JP48109420 A JP 48109420A JP 10942073 A JP10942073 A JP 10942073A JP S4972976 A JPS4972976 A JP S4972976A
- 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.)
- Pending
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
- B60Q2300/31—Atmospheric conditions
- B60Q2300/314—Ambient light
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 |
|---|---|---|---|
| US29695472A | 1972-10-12 | 1972-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4972976A true JPS4972976A (enExample) | 1974-07-15 |
Family
ID=23144241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48109420A Pending JPS4972976A (enExample) | 1972-10-12 | 1973-10-01 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3769519A (enExample) |
| JP (1) | JPS4972976A (enExample) |
| CA (1) | CA1008916A (enExample) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3909619A (en) * | 1974-05-17 | 1975-09-30 | Ko An Inc | Control for activating motor vehicle electrical load |
| US4015137A (en) * | 1974-05-17 | 1977-03-29 | Ko An, Inc. | Control for activating motor vehicle electrical load |
| US3963940A (en) * | 1975-02-04 | 1976-06-15 | Adamian Michael R | Automatic headlight control circuit |
| US4179876A (en) * | 1976-11-22 | 1979-12-25 | Toyota Jidosha Kogyo Kabushiki Kaisha | Digital clock for motor vehicles |
| US4139801A (en) * | 1977-01-26 | 1979-02-13 | Linares Raul F | Automatic automobile light control system |
| US4220947A (en) * | 1978-08-10 | 1980-09-02 | Yujiro Yamamoto | Headlamp and security alarm control system |
| US4208615A (en) * | 1979-02-23 | 1980-06-17 | General Motors Corporation | Automatic headlamp control system |
| DE3927878C2 (de) * | 1989-08-23 | 1995-04-20 | Nicolaus Dipl Ing Pohlmann | Warngerät für Kraftfahrzeuge |
| US5185558A (en) * | 1989-09-15 | 1993-02-09 | Benedict Engineering Company, Inc. | Vehicle light, windshield wiper control system |
| US5136209A (en) * | 1989-09-15 | 1992-08-04 | Benedict Engineering Company, Inc. | Vehicle light, windshield wiper control system |
| US5483107A (en) * | 1991-10-25 | 1996-01-09 | Xander; Wilmer R. | Automatic defensive driving illumination system |
| 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 |
| US5453662A (en) * | 1994-08-10 | 1995-09-26 | Designtech International Inc. | Photocell system for automatic headlight controller with light tube |
| US5841203A (en) * | 1995-04-24 | 1998-11-24 | Chambers; Kevin K. | Automatic headlamp activation system for motor vehicles |
| JP3447456B2 (ja) * | 1996-03-11 | 2003-09-16 | ナイルス株式会社 | トワイライトディレー装置 |
| US5736816A (en) * | 1996-06-24 | 1998-04-07 | Strenke; Leroy M. | Automatic on-off vehicle headlight system |
| US6175196B1 (en) * | 1999-07-02 | 2001-01-16 | Gary Dean Ragner | Photo-sensitive illuminated skate wheel |
| DE102005046569A1 (de) * | 2005-10-01 | 2007-04-05 | Deere & Company, Moline | Trennschaltervorrichtung zum Trennen eines elektrischen Stromkreises eines Fahrzeugs von einer elektrischen Stromquelle |
| US8536997B2 (en) * | 2010-08-12 | 2013-09-17 | General Electric Company | Vehicle lighting control apparatus and method |
| US10315567B2 (en) * | 2016-10-27 | 2019-06-11 | Hopkins Manufacturing Corporation | Auxiliary vehicle lighting control system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3694690A (en) * | 1969-02-20 | 1972-09-26 | Tokai Rika Co Ltd | Electric circuit for automatically igniting parking lamps at dusk |
-
1972
- 1972-10-12 US US00296954A patent/US3769519A/en not_active Expired - Lifetime
-
1973
- 1973-07-23 CA CA177,144A patent/CA1008916A/en not_active Expired
- 1973-10-01 JP JP48109420A patent/JPS4972976A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3769519A (en) | 1973-10-30 |
| CA1008916A (en) | 1977-04-19 |