JPS4846177A - - Google Patents
Info
- Publication number
- JPS4846177A JPS4846177A JP46081075A JP8107571A JPS4846177A JP S4846177 A JPS4846177 A JP S4846177A JP 46081075 A JP46081075 A JP 46081075A JP 8107571 A JP8107571 A JP 8107571A JP S4846177 A JPS4846177 A JP S4846177A
- 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.)
- Granted
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
- B60Q11/00—Arrangement of monitoring devices for devices provided for in groups B60Q1/00 - B60Q9/00
- B60Q11/002—Emergency driving lights in the event of failure of the principal lighting circuit
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/10—Circuits providing for substitution of the light source in case of its failure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46081075A JPS5139477B2 (https=) | 1971-10-14 | 1971-10-14 | |
| US00298018A US3814984A (en) | 1971-10-14 | 1972-10-16 | Device for automatically compensating disconnection in head lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP46081075A JPS5139477B2 (https=) | 1971-10-14 | 1971-10-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4846177A true JPS4846177A (https=) | 1973-07-02 |
| JPS5139477B2 JPS5139477B2 (https=) | 1976-10-28 |
Family
ID=13736251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP46081075A Expired JPS5139477B2 (https=) | 1971-10-14 | 1971-10-14 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3814984A (https=) |
| JP (1) | JPS5139477B2 (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4104560A (en) * | 1974-08-21 | 1978-08-01 | Nippondenso Co., Ltd. | Lighting system for a motor vehicle |
| DE4120893C2 (de) * | 1991-06-25 | 2000-06-15 | Bayerische Motoren Werke Ag | Beleuchtungsvorrichtung für Kraftfahrzeuge |
| US5420480A (en) * | 1992-07-31 | 1995-05-30 | Douglas Dynamics, Inc. | Automatic headlamp switching system |
| US6281631B1 (en) * | 1998-12-14 | 2001-08-28 | Siemens Automotive Corporation | Vehicle light system circuit which automatically compensates for a light source failure |
| EP1500556B1 (en) * | 1998-12-14 | 2008-05-07 | Siemens VDO Automotive Corporation | Vehicle headlight system |
| US6323759B1 (en) | 1999-01-29 | 2001-11-27 | M. P. Menze Research Development Inc. | Snowplow diagnostic system |
| US6154122A (en) * | 1999-01-29 | 2000-11-28 | M. P. Menze Research & Development | Snowplow diagnostic system |
| JP2003127760A (ja) * | 2001-10-30 | 2003-05-08 | Koito Mfg Co Ltd | 自動車用ヘッドランプ |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1456707A (fr) * | 1965-08-17 | 1966-07-08 | Dispositif électrique d'atténuation d'une intensité lumineuse, notamment pour feux de véhicules automobiles | |
| US3479557A (en) * | 1968-12-31 | 1969-11-18 | Rudd Schultz | Automotive headlamp safety system with the alternate substitution of filament |
| US3532929A (en) * | 1969-09-16 | 1970-10-06 | Rudd Schultz | Automotive headlight safety system with alternate substitution of filament |
| US3671955A (en) * | 1970-03-30 | 1972-06-20 | Master Specialties Co | Lamp failure detection circuit |
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1971
- 1971-10-14 JP JP46081075A patent/JPS5139477B2/ja not_active Expired
-
1972
- 1972-10-16 US US00298018A patent/US3814984A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5139477B2 (https=) | 1976-10-28 |
| US3814984A (en) | 1974-06-04 |