JPS53107043A - Dimmer for head lamp - Google Patents
Dimmer for head lampInfo
- Publication number
- JPS53107043A JPS53107043A JP2097377A JP2097377A JPS53107043A JP S53107043 A JPS53107043 A JP S53107043A JP 2097377 A JP2097377 A JP 2097377A JP 2097377 A JP2097377 A JP 2097377A JP S53107043 A JPS53107043 A JP S53107043A
- Authority
- JP
- Japan
- Prior art keywords
- head lamp
- dimmer
- street
- brightness
- switchingoff
- 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.)
- Pending
Links
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
PURPOSE: To prevent a dimmer for a head lamp, controlled in brightness in response to the brghtness in the street, from erroneously operating toward the switchingoff direction owing to the instantaneous brightness in the street by increasing the threshold value when deenergizing the head lamp.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2097377A JPS53107043A (en) | 1977-02-28 | 1977-02-28 | Dimmer for head lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2097377A JPS53107043A (en) | 1977-02-28 | 1977-02-28 | Dimmer for head lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53107043A true JPS53107043A (en) | 1978-09-18 |
Family
ID=12042102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2097377A Pending JPS53107043A (en) | 1977-02-28 | 1977-02-28 | Dimmer for head lamp |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53107043A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4970483A (en) * | 1972-09-16 | 1974-07-08 | ||
JPS5120605U (en) * | 1974-08-02 | 1976-02-16 |
-
1977
- 1977-02-28 JP JP2097377A patent/JPS53107043A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4970483A (en) * | 1972-09-16 | 1974-07-08 | ||
JPS5120605U (en) * | 1974-08-02 | 1976-02-16 |
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