JPS5240999A - Photoelectric control circuit for fault lamp - Google Patents
Photoelectric control circuit for fault lampInfo
- Publication number
- JPS5240999A JPS5240999A JP11639075A JP11639075A JPS5240999A JP S5240999 A JPS5240999 A JP S5240999A JP 11639075 A JP11639075 A JP 11639075A JP 11639075 A JP11639075 A JP 11639075A JP S5240999 A JPS5240999 A JP S5240999A
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- photoelectric control
- fault lamp
- brightness
- fault
- 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
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
- Audible And Visible Signals (AREA)
- Traffic Control Systems (AREA)
Abstract
PURPOSE:Under the functioning state of both 1st and 2nd light detection, the brightness of 3rd circuit is discriminated. Thus, the lighting control circuit can be actuated according to each brightness.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11639075A JPS5240999A (en) | 1975-09-29 | 1975-09-29 | Photoelectric control circuit for fault lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11639075A JPS5240999A (en) | 1975-09-29 | 1975-09-29 | Photoelectric control circuit for fault lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5240999A true JPS5240999A (en) | 1977-03-30 |
Family
ID=14685828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11639075A Pending JPS5240999A (en) | 1975-09-29 | 1975-09-29 | Photoelectric control circuit for fault lamp |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5240999A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5779422A (en) * | 1980-11-05 | 1982-05-18 | Toshiba Corp | Leak test device |
-
1975
- 1975-09-29 JP JP11639075A patent/JPS5240999A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5779422A (en) * | 1980-11-05 | 1982-05-18 | Toshiba Corp | Leak test device |
JPH0130095B2 (en) * | 1980-11-05 | 1989-06-16 | Tokyo Shibaura Electric Co |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5220681A (en) | Fluorescent lamp illumination device | |
JPS5240999A (en) | Photoelectric control circuit for fault lamp | |
JPS52144174A (en) | Composite illumination | |
JPS5426691A (en) | Refuge guide unit | |
JPS532970A (en) | Fluorescent lamp starter | |
JPS5273582A (en) | Discharge lamp which is provided with discharge lamp for emergency lam p | |
JPS5384376A (en) | System of flashing fluorescent lamp | |
JPS5398176A (en) | Initial lighting compensating circuit of fluorescent lamp | |
JPS52118975A (en) | Lighting device for discharge lamp | |
JPS5646672A (en) | Power supply | |
JPS5346187A (en) | Reserve lighting circuit | |
JPS5218076A (en) | Discharge lamp lighting device | |
JPS522195A (en) | Lamp breakage detector | |
JPS5360259A (en) | Detector | |
JPS53144178A (en) | Device for detecting lighting or extincton of illumination lamp | |
JPS5438676A (en) | Automatic flashing device | |
JPS51128168A (en) | Lighting system for discharge lamp | |
JPS5282093A (en) | Annunciator with weak lighting type | |
JPS5469736A (en) | Emergency light | |
JPS53114273A (en) | Emergency change-over circuit | |
JPS53105131A (en) | Lighting control system of lamp | |
JPS5218086A (en) | Yellow light flourescent lamp | |
JPS5218075A (en) | Lighting circuit in an emergency | |
JPS5215184A (en) | Fluorescent lighting tube manufacturing method | |
JPS51133980A (en) | Discharge lamp l ighting system |