GB1441968A - Traffic surveillance system - Google Patents
Traffic surveillance systemInfo
- Publication number
- GB1441968A GB1441968A GB3217873A GB3217873A GB1441968A GB 1441968 A GB1441968 A GB 1441968A GB 3217873 A GB3217873 A GB 3217873A GB 3217873 A GB3217873 A GB 3217873A GB 1441968 A GB1441968 A GB 1441968A
- Authority
- GB
- United Kingdom
- Prior art keywords
- vehicles
- spacing
- speed
- radar
- july
- 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.)
- Expired
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/22—Longitudinal slot in boundary wall of waveguide or transmission line
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
- Near-Field Transmission Systems (AREA)
- Traffic Control Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7224465A FR2191181B1 (US06653308-20031125-C00199.png) | 1972-07-06 | 1972-07-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1441968A true GB1441968A (en) | 1976-07-07 |
Family
ID=9101444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3217873A Expired GB1441968A (en) | 1972-07-06 | 1973-07-05 | Traffic surveillance system |
Country Status (16)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2146864A (en) * | 1983-09-14 | 1985-04-24 | David James Reginald Martin | Vehicle location system |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1013280B (it) * | 1974-05-28 | 1977-03-30 | Autostrade Concess Const | Sistema perfezionato per il control lo elettronico del traffico in tempo reale e per trasmissioni bidirezionali in codice e fonia fra centrale operativa e mezzi mobili |
DE3784678T2 (de) * | 1986-12-12 | 1993-06-17 | Alsthom Gec | Nachrichten- und/oder befehlsuebertragungsvorrichtung mit breitbandigem durchlassband zwischen einem mobil-element und einer ueberwachungsstelle. |
JP3528435B2 (ja) * | 1996-06-27 | 2004-05-17 | トヨタ自動車株式会社 | 路上物体検出装置 |
US9064406B1 (en) | 2010-09-28 | 2015-06-23 | The Boeing Company | Portable and persistent vehicle surveillance system |
FR3037728A1 (fr) * | 2015-06-19 | 2016-12-23 | Commissariat Energie Atomique | Systeme de transmission de donnees entre un dispositif fixe et un dispositif mobile comprenant un guide d'onde |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2649538A (en) * | 1949-10-13 | 1953-08-18 | Westinghouse Air Brake Co | Space intrusion detection system |
US2648839A (en) * | 1950-10-02 | 1953-08-11 | Rca Corp | Direction finding antenna system |
US3031643A (en) * | 1960-05-16 | 1962-04-24 | Nat Company Inc | Transmission line fence burglar alarm |
US3286260A (en) * | 1964-02-07 | 1966-11-15 | Howard Shirly La Var | Electronic scanning radar system |
FR1436244A (fr) * | 1964-04-30 | 1966-04-22 | Hitachi Ltd | Dispositif détecteur d'obstacles, notamment sur une voie de chemin de fer, et guide d'ondes utilisé |
US3679993A (en) * | 1967-09-27 | 1972-07-25 | Varian Associates | Crossed-field noise generator tube employing a high magnetic field intensity |
-
1972
- 1972-07-06 FR FR7224465A patent/FR2191181B1/fr not_active Expired
-
1973
- 1973-01-01 AR AR248914A patent/AR204311A1/es active
- 1973-07-02 US US05/375,444 patent/US3964063A/en not_active Expired - Lifetime
- 1973-07-03 SE SE7309378A patent/SE392974B/xx unknown
- 1973-07-03 CA CA175,425A patent/CA999953A/en not_active Expired
- 1973-07-04 IT IT51227/73A patent/IT989736B/it active
- 1973-07-04 NL NL7309319A patent/NL7309319A/xx not_active Application Discontinuation
- 1973-07-04 BR BR4971/73A patent/BR7304971D0/pt unknown
- 1973-07-05 AT AT593673A patent/AT344550B/de not_active IP Right Cessation
- 1973-07-05 ES ES416609A patent/ES416609A1/es not_active Expired
- 1973-07-05 GB GB3217873A patent/GB1441968A/en not_active Expired
- 1973-07-05 CH CH979573A patent/CH576150A5/xx not_active IP Right Cessation
- 1973-07-06 BE BE133175A patent/BE801986A/xx not_active IP Right Cessation
- 1973-07-06 DE DE19732334538 patent/DE2334538A1/de not_active Ceased
- 1973-07-06 RO RO7375370A patent/RO69601A/ro unknown
- 1973-07-06 JP JP48075876A patent/JPS4960194A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2146864A (en) * | 1983-09-14 | 1985-04-24 | David James Reginald Martin | Vehicle location system |
Also Published As
Publication number | Publication date |
---|---|
BR7304971D0 (pt) | 1974-08-22 |
US3964063A (en) | 1976-06-15 |
AR204311A1 (es) | 1975-12-22 |
AT344550B (de) | 1978-07-25 |
RO69601A (ro) | 1981-03-30 |
SE392974B (sv) | 1977-04-25 |
FR2191181B1 (US06653308-20031125-C00199.png) | 1976-07-23 |
NL7309319A (US06653308-20031125-C00199.png) | 1974-01-08 |
ATA593673A (de) | 1977-11-15 |
DE2334538A1 (de) | 1974-01-24 |
JPS4960194A (US06653308-20031125-C00199.png) | 1974-06-11 |
CH576150A5 (US06653308-20031125-C00199.png) | 1976-05-31 |
CA999953A (en) | 1976-11-16 |
IT989736B (it) | 1975-06-10 |
ES416609A1 (es) | 1976-02-16 |
BE801986A (fr) | 1973-11-05 |
FR2191181A1 (US06653308-20031125-C00199.png) | 1974-02-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |