JPS522195A - Lamp breakage detector - Google Patents
Lamp breakage detectorInfo
- Publication number
- JPS522195A JPS522195A JP50077765A JP7776575A JPS522195A JP S522195 A JPS522195 A JP S522195A JP 50077765 A JP50077765 A JP 50077765A JP 7776575 A JP7776575 A JP 7776575A JP S522195 A JPS522195 A JP S522195A
- Authority
- JP
- Japan
- Prior art keywords
- breakage detector
- lamp
- lamp breakage
- detector
- ununiformity
- 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
- Traffic Control Systems (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
PURPOSE: To provide a detector which can detect breakage of lamp coil regardless of light pattern of lamp without error by aging change and ununiformity.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50077765A JPS522195A (en) | 1975-06-23 | 1975-06-23 | Lamp breakage detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50077765A JPS522195A (en) | 1975-06-23 | 1975-06-23 | Lamp breakage detector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS522195A true JPS522195A (en) | 1977-01-08 |
Family
ID=13643022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50077765A Pending JPS522195A (en) | 1975-06-23 | 1975-06-23 | Lamp breakage detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS522195A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5143577A (en) * | 1974-10-14 | 1976-04-14 | Bando Chemical Ind | KONBEYABERUTOSOCHI |
JPS52126915U (en) * | 1976-03-16 | 1977-09-27 | ||
US5442257A (en) * | 1992-09-21 | 1995-08-15 | Nissan Motor Co., Ltd. | System for and method of lighting discharge lamp having failure detection of discharge lamp, external wiring and lighting circuit |
-
1975
- 1975-06-23 JP JP50077765A patent/JPS522195A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5143577A (en) * | 1974-10-14 | 1976-04-14 | Bando Chemical Ind | KONBEYABERUTOSOCHI |
JPS522195B2 (en) * | 1974-10-14 | 1977-01-20 | ||
JPS52126915U (en) * | 1976-03-16 | 1977-09-27 | ||
US5442257A (en) * | 1992-09-21 | 1995-08-15 | Nissan Motor Co., Ltd. | System for and method of lighting discharge lamp having failure detection of discharge lamp, external wiring and lighting circuit |
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