JPS6433699A - Signal control system - Google Patents
Signal control systemInfo
- Publication number
- JPS6433699A JPS6433699A JP19138587A JP19138587A JPS6433699A JP S6433699 A JPS6433699 A JP S6433699A JP 19138587 A JP19138587 A JP 19138587A JP 19138587 A JP19138587 A JP 19138587A JP S6433699 A JPS6433699 A JP S6433699A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- red
- blue
- emergency car
- car
- 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)
Abstract
PURPOSE:To improve safety by forcibly changing a signal provided on a road hindering the progressing direction of an emergency car to a red signal and forcibly changing a signal provided on the road of progressing direction to a blue signal when the emergency car arrives at a prescribed distance from the signal of the red signal. CONSTITUTION:A signal control signal transmitted from a transmitter 22 loaded in the emergency car 21 is received by a receiver 12 provided to the signal 11 when the emergency car 21 arrives at the prescribed distance from the signal 11 and transmitted to a signal controller 15. When the signal controller 15 inputs the signals control signal, it forcibly changes the signal transmitting this signal control signal to the blue signal and forcibly changes the other signal to the red signal. That means, the blue signal of the signal 13 is changed to the red signal from a yellow signal and simultaneously the red signal of the signal 11 is changed to the blue signal through the yellow signal. As a general car stops, the emergency car 21 can progress without stopping. Thus the safety is improved.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19138587A JPS6433699A (en) | 1987-07-29 | 1987-07-29 | Signal control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19138587A JPS6433699A (en) | 1987-07-29 | 1987-07-29 | Signal control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6433699A true JPS6433699A (en) | 1989-02-03 |
Family
ID=16273718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19138587A Pending JPS6433699A (en) | 1987-07-29 | 1987-07-29 | Signal control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6433699A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04339888A (en) * | 1991-05-17 | 1992-11-26 | Aisin Chem Co Ltd | Wet friction material |
JPH05205193A (en) * | 1992-01-27 | 1993-08-13 | Sharp Corp | Traffic signal controller |
-
1987
- 1987-07-29 JP JP19138587A patent/JPS6433699A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04339888A (en) * | 1991-05-17 | 1992-11-26 | Aisin Chem Co Ltd | Wet friction material |
JPH05205193A (en) * | 1992-01-27 | 1993-08-13 | Sharp Corp | Traffic signal controller |
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