MX146322A - IMPROVEMENTS IN TRAFFIC LIGHTS - Google Patents
IMPROVEMENTS IN TRAFFIC LIGHTSInfo
- Publication number
- MX146322A MX146322A MX17720679A MX17720679A MX146322A MX 146322 A MX146322 A MX 146322A MX 17720679 A MX17720679 A MX 17720679A MX 17720679 A MX17720679 A MX 17720679A MX 146322 A MX146322 A MX 146322A
- Authority
- MX
- Mexico
- Prior art keywords
- traffic lights
- lights
- traffic
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/096—Arrangements for giving variable traffic instructions provided with indicators in which a mark progresses showing the time elapsed, e.g. of green phase
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR7802161A BR7802161A (en) | 1978-04-06 | 1978-04-06 | IMPROVEMENTS IN TRANSIT SIGNALING SEMAPHORES |
BR7802162A BR7802162A (en) | 1978-04-06 | 1978-04-06 | SEMAFARO, LIGHTHOUSE OR VISUAL AND FRACTIONAL ORIENTAL SIGN OF THE TIME PERIODS AVAILABLE IN EACH POSITION, DIRECTION OR DIRECTION OF TRANSIT |
Publications (1)
Publication Number | Publication Date |
---|---|
MX146322A true MX146322A (en) | 1982-06-08 |
Family
ID=25663968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX17720679A MX146322A (en) | 1978-04-06 | 1979-04-04 | IMPROVEMENTS IN TRAFFIC LIGHTS |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2422213A1 (en) |
MX (1) | MX146322A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2594577A1 (en) * | 1986-02-19 | 1987-08-21 | Sabatier Francis | Green light with numerical display |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1221717A (en) * | 1959-01-08 | 1960-06-03 | Improvements made to light signaling devices, in particular those intended to regulate pedestrian and vehicle traffic | |
US3320585A (en) * | 1964-12-23 | 1967-05-16 | James L R Hines | Time informing display device |
US3480909A (en) * | 1966-11-02 | 1969-11-25 | James L R Hines | Time counting traffic signalling system |
DE1910022A1 (en) * | 1969-02-27 | 1970-09-10 | Siemens Ag | Signal lamp for light signals fed by a control center and monitored remotely |
DE2229938A1 (en) * | 1972-06-20 | 1974-01-17 | Guenter Heidt | TRAFFIC LIGHTS |
-
1979
- 1979-04-03 FR FR7908325A patent/FR2422213A1/en active Pending
- 1979-04-04 MX MX17720679A patent/MX146322A/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR2422213A1 (en) | 1979-11-02 |
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