CH571751A5 - - Google Patents
Info
- Publication number
- CH571751A5 CH571751A5 CH1240872A CH1240872A CH571751A5 CH 571751 A5 CH571751 A5 CH 571751A5 CH 1240872 A CH1240872 A CH 1240872A CH 1240872 A CH1240872 A CH 1240872A CH 571751 A5 CH571751 A5 CH 571751A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712148889 DE2148889C3 (en) | 1971-09-30 | Road traffic signal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH571751A5 true CH571751A5 (en) | 1976-01-15 |
Family
ID=5821100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1240872A CH571751A5 (en) | 1971-09-30 | 1972-08-22 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3833881A (en) |
| AR (1) | AR195497A1 (en) |
| BE (1) | BE789513A (en) |
| CH (1) | CH571751A5 (en) |
| FR (1) | FR2155476A5 (en) |
| GB (1) | GB1405951A (en) |
| NL (1) | NL7212879A (en) |
| SE (1) | SE376811B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2739863A1 (en) * | 1977-09-05 | 1979-03-15 | Siemens Ag | PROCEDURE FOR MEASURING GREEN TIME IN TRAFFIC-DEPENDENT STEERABLE ROAD TRAFFIC SIGNAL SYSTEMS AND DEVICE FOR PERFORMING THE PROCEDURE |
| US4370718A (en) * | 1979-02-06 | 1983-01-25 | Chasek Norman E | Responsive traffic light control system and method based on conservation of aggregate momentum |
| ATE156287T1 (en) * | 1992-04-02 | 1997-08-15 | Horizont Holding Gmbh | METHOD AND SYSTEM FOR TRAFFIC REGULATION |
| US9978270B2 (en) | 2014-07-28 | 2018-05-22 | Econolite Group, Inc. | Self-configuring traffic signal controller |
| CN104680819A (en) * | 2015-01-16 | 2015-06-03 | 广州万客达电子科技有限公司 | Congestion-preventing method and system for roads |
| CN110473412A (en) * | 2019-09-12 | 2019-11-19 | 杭州京安交通工程设施有限公司 | A kind of controlling system of traffic light |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1192025A (en) * | 1966-10-20 | 1970-05-13 | Tateisi Electronics Company | A Method of and Apparatus for Detecting Traffic Delay |
| US3506808A (en) * | 1967-03-24 | 1970-04-14 | Bliss Co | Volume-occupancy control of traffic flow |
| US3529285A (en) * | 1967-05-11 | 1970-09-15 | Fischer & Porter Co | Traffic control system |
| CH509638A (en) * | 1967-12-21 | 1971-06-30 | Philips Nv | Device for automatic extension of the green light time of a signaling installation |
| US3710312A (en) * | 1971-03-15 | 1973-01-09 | Gulf & Western Industries | Method and apparatus for controlling traffic flow in accordance with traffic presence |
-
0
- BE BE789513D patent/BE789513A/en unknown
-
1972
- 1972-05-26 US US00257257A patent/US3833881A/en not_active Expired - Lifetime
- 1972-08-22 CH CH1240872A patent/CH571751A5/xx not_active IP Right Cessation
- 1972-09-20 SE SE7212132A patent/SE376811B/xx unknown
- 1972-09-22 NL NL7212879A patent/NL7212879A/xx not_active Application Discontinuation
- 1972-09-29 AR AR244406A patent/AR195497A1/en active
- 1972-09-29 FR FR7234680A patent/FR2155476A5/fr not_active Expired
- 1972-10-02 GB GB4526372A patent/GB1405951A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1405951A (en) | 1975-09-10 |
| FR2155476A5 (en) | 1973-05-18 |
| NL7212879A (en) | 1973-04-03 |
| DE2148889A1 (en) | 1973-04-05 |
| AR195497A1 (en) | 1973-10-15 |
| US3833881A (en) | 1974-09-03 |
| DE2148889B2 (en) | 1977-02-03 |
| SE376811B (en) | 1975-06-09 |
| BE789513A (en) | 1973-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |