FR2172413A1 - - Google Patents
Info
- Publication number
- FR2172413A1 FR2172413A1 FR7305687A FR7305687A FR2172413A1 FR 2172413 A1 FR2172413 A1 FR 2172413A1 FR 7305687 A FR7305687 A FR 7305687A FR 7305687 A FR7305687 A FR 7305687A FR 2172413 A1 FR2172413 A1 FR 2172413A1
- Authority
- FR
- France
- 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
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2207487A DE2207487C3 (de) | 1972-02-17 | 1972-02-17 | Einrichtung zum Erfassen und Steuern des Verkehrsablaufs auf Straßen |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2172413A1 true FR2172413A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-09-28 |
FR2172413B1 FR2172413B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-03-10 |
Family
ID=5836247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7305687A Expired FR2172413B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-02-17 | 1973-02-16 |
Country Status (9)
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4370718A (en) * | 1979-02-06 | 1983-01-25 | Chasek Norman E | Responsive traffic light control system and method based on conservation of aggregate momentum |
DE69132668T2 (de) * | 1990-02-26 | 2002-05-23 | Matsushita Electric Industrial Co., Ltd. | System zur Überwachung von Verkehrsflussänderungen |
US5182555A (en) * | 1990-07-26 | 1993-01-26 | Farradyne Systems, Inc. | Cell messaging process for an in-vehicle traffic congestion information system |
US5164904A (en) * | 1990-07-26 | 1992-11-17 | Farradyne Systems, Inc. | In-vehicle traffic congestion information system |
US5173691A (en) * | 1990-07-26 | 1992-12-22 | Farradyne Systems, Inc. | Data fusion process for an in-vehicle traffic congestion information system |
US6466862B1 (en) * | 1999-04-19 | 2002-10-15 | Bruce DeKock | System for providing traffic information |
US20060074546A1 (en) * | 1999-04-19 | 2006-04-06 | Dekock Bruce W | System for providing traffic information |
DE10146398A1 (de) | 2001-09-20 | 2003-04-17 | Siemens Ag | System zum Steuern von Lichtsignalgebern an Kreuzungen |
US7908080B2 (en) | 2004-12-31 | 2011-03-15 | Google Inc. | Transportation routing |
CN112216137A (zh) * | 2020-09-27 | 2021-01-12 | 山东科技大学 | 一种车用道路指示标志识别系统与方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1577461A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1968-05-27 | 1969-08-08 | ||
FR2029236A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1969-01-20 | 1970-10-16 | Automatisme Cie Gle |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3234505A (en) * | 1961-08-18 | 1966-02-08 | Lab For Electronics Inc | Traffic control system of the actuated type with improved time control |
US3241109A (en) * | 1961-08-18 | 1966-03-15 | Lab For Electronics Inc | Traffic actuated control system |
US3416130A (en) * | 1965-11-01 | 1968-12-10 | Lab For Electronics Inc | Traffic actuated control system |
US3466599A (en) * | 1966-10-12 | 1969-09-09 | Bliss Co | Traffic controller having improved time waiting-gap reduction circuit |
FR93467E (fr) * | 1967-01-13 | 1969-04-04 | Sfim | Procédé et dispositif pour la mesure de l'espacement de deux véhicules se déplaÇant. |
US3506808A (en) * | 1967-03-24 | 1970-04-14 | Bliss Co | Volume-occupancy control of traffic flow |
US3613074A (en) * | 1969-06-19 | 1971-10-12 | Gulf & Western Industries | Gap reduction through use of detectors |
US3710081A (en) * | 1971-06-14 | 1973-01-09 | Tamar Electronics Ind | System for computing the average of successive traffic measurements |
-
0
- BE BE795561D patent/BE795561A/xx unknown
-
1972
- 1972-02-17 DE DE2207487A patent/DE2207487C3/de not_active Expired
-
1973
- 1973-01-29 AT AT74673A patent/AT338146B/de not_active IP Right Cessation
- 1973-02-12 NL NL7301955A patent/NL7301955A/xx not_active Application Discontinuation
- 1973-02-12 ZA ZA00730974A patent/ZA73974B/xx unknown
- 1973-02-13 IT IT20321/73A patent/IT986045B/it active
- 1973-02-14 US US332258A patent/US3906438A/en not_active Expired - Lifetime
- 1973-02-16 FR FR7305687A patent/FR2172413B1/fr not_active Expired
- 1973-02-16 GB GB765573A patent/GB1419563A/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1577461A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1968-05-27 | 1969-08-08 | ||
FR2029236A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1969-01-20 | 1970-10-16 | Automatisme Cie Gle |
Also Published As
Publication number | Publication date |
---|---|
NL7301955A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-08-21 |
GB1419563A (en) | 1975-12-31 |
IT986045B (it) | 1975-01-10 |
ZA73974B (en) | 1975-01-29 |
ATA74673A (de) | 1976-11-15 |
DE2207487C3 (de) | 1974-10-31 |
AT338146B (de) | 1977-07-25 |
DE2207487B2 (de) | 1974-03-21 |
US3906438A (en) | 1975-09-16 |
DE2207487A1 (de) | 1973-09-06 |
BE795561A (fr) | 1973-08-16 |
FR2172413B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-03-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |