JPS5218616A - Signal lamp control circuit - Google Patents
Signal lamp control circuitInfo
- Publication number
- JPS5218616A JPS5218616A JP50052587A JP5258775A JPS5218616A JP S5218616 A JPS5218616 A JP S5218616A JP 50052587 A JP50052587 A JP 50052587A JP 5258775 A JP5258775 A JP 5258775A JP S5218616 A JPS5218616 A JP S5218616A
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- lamp control
- signal lamp
- progress
- lamp indicating
- 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.)
- Granted
Links
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
PURPOSE: When a colored lamp indicating progress breaks, another colored lamp indicating more restricted progress lights.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50052587A JPS5218616A (en) | 1975-05-02 | 1975-05-02 | Signal lamp control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50052587A JPS5218616A (en) | 1975-05-02 | 1975-05-02 | Signal lamp control circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5218616A true JPS5218616A (en) | 1977-02-12 |
JPS5511542B2 JPS5511542B2 (en) | 1980-03-26 |
Family
ID=12918914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50052587A Granted JPS5218616A (en) | 1975-05-02 | 1975-05-02 | Signal lamp control circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5218616A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0640336A (en) * | 1992-05-25 | 1994-02-15 | Sankosha:Kk | Railway signal extinguishment preventing device |
JP2010125905A (en) * | 2008-11-26 | 2010-06-10 | Hitachi Ltd | Signal lamp control circuit |
-
1975
- 1975-05-02 JP JP50052587A patent/JPS5218616A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0640336A (en) * | 1992-05-25 | 1994-02-15 | Sankosha:Kk | Railway signal extinguishment preventing device |
JP2010125905A (en) * | 2008-11-26 | 2010-06-10 | Hitachi Ltd | Signal lamp control circuit |
Also Published As
Publication number | Publication date |
---|---|
JPS5511542B2 (en) | 1980-03-26 |
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