GB1209482A - System for the identification of vehicles travelling along a predetermined route - Google Patents
System for the identification of vehicles travelling along a predetermined routeInfo
- Publication number
- GB1209482A GB1209482A GB718267A GB718267A GB1209482A GB 1209482 A GB1209482 A GB 1209482A GB 718267 A GB718267 A GB 718267A GB 718267 A GB718267 A GB 718267A GB 1209482 A GB1209482 A GB 1209482A
- Authority
- GB
- United Kingdom
- Prior art keywords
- loop
- vehicle
- identification
- predetermined route
- travelling along
- 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
- 230000001939 inductive effect Effects 0.000 abstract 2
- 238000001514 detection method Methods 0.000 abstract 1
- 230000011664 signaling Effects 0.000 abstract 1
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
- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Non-Mechanical Conveyors (AREA)
Abstract
1,209,482. Vehicle detectors; inductive signalling. MINISTER OF TRANSPORT. 10 May, 1968 [15 Feb., 1967], No. 7182/67. Heading G4Q. [Also in Division H4] In an inductive loop vehicle detection and identification system, a co-operating loop of e.g. pipe is mounted under the vehicle with a switch for periodically making and breaking the continuity of the pipe loop, to induce corresponding changes in impedance of the detector loop. The frequency or mark-to-space ratio of the switching may be varied for different classes of vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB718267A GB1209482A (en) | 1967-02-15 | 1967-02-15 | System for the identification of vehicles travelling along a predetermined route |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB718267A GB1209482A (en) | 1967-02-15 | 1967-02-15 | System for the identification of vehicles travelling along a predetermined route |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1209482A true GB1209482A (en) | 1970-10-21 |
Family
ID=9828188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB718267A Expired GB1209482A (en) | 1967-02-15 | 1967-02-15 | System for the identification of vehicles travelling along a predetermined route |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1209482A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3996555A (en) * | 1974-09-17 | 1976-12-07 | The Secretary Of State For The Environment In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Identification of vehicles |
| GB2158598A (en) * | 1984-05-10 | 1985-11-13 | Shering & Company Limited E | Weighbridge operation |
-
1967
- 1967-02-15 GB GB718267A patent/GB1209482A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3996555A (en) * | 1974-09-17 | 1976-12-07 | The Secretary Of State For The Environment In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland | Identification of vehicles |
| GB2158598A (en) * | 1984-05-10 | 1985-11-13 | Shering & Company Limited E | Weighbridge operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |