GB959139A - An arrangement for counting road vehicles in traffic - Google Patents
An arrangement for counting road vehicles in trafficInfo
- Publication number
- GB959139A GB959139A GB1680762A GB1680762A GB959139A GB 959139 A GB959139 A GB 959139A GB 1680762 A GB1680762 A GB 1680762A GB 1680762 A GB1680762 A GB 1680762A GB 959139 A GB959139 A GB 959139A
- Authority
- GB
- United Kingdom
- Prior art keywords
- transmitters
- vehicle
- light
- wheeled
- spacing
- 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
- G08G1/015—Detecting movement of traffic to be counted or controlled with provision for distinguishing between two or more types of vehicles, e.g. between motor-cars and cycles
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
Abstract
959,139. Recording apparatus. TELEFONAKTIEBOLAGET L. M. ERICSSON. May 2,1962 [May 2,1961], No. 16807/62. Heading G1J. A device for counting vehicles and classifying them into types or sizes comprises transmitters A, B, C spaced as shown with the distance between transmitters A, B being greater than the approximate axle spacing of two wheeled vehicles but less than the axle spacing of light four wheeled vehicles and the spacing of transmitters B, C is greater than the axle spacing of light four wheeled vehicles but less than that of heavy lorries. Each transmitter A, B, C emits a pulse each time an axle passes it and these are recorded by a recorder R1 which distinguishes by means of a punched hole or scribe as shown in Fig. 3, which transmitter the pulse came from and the order in which the pulses are received. From the order and number of the pulses a vehicle can be classified according to type e.g. AA, BB, CC is a two wheeled vehicle, ABA, BCC a light four wheeled vehicle. The transmitters may be operated by hydraulic detecting means and additional transmitters operated by photocells may be provided to distinguish the profile of the vehicle.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE458661 | 1961-05-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB959139A true GB959139A (en) | 1964-05-27 |
Family
ID=20264512
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1680762A Expired GB959139A (en) | 1961-05-02 | 1962-05-02 | An arrangement for counting road vehicles in traffic |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1234071B (en) |
GB (1) | GB959139A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1294725B (en) * | 1964-10-17 | 1969-05-08 | Grundig Max | Arrangement for classified counting of vehicles on traffic routes |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3663937A (en) * | 1970-06-08 | 1972-05-16 | Thiokol Chemical Corp | Intersection ingress-egress automatic electronic traffic monitoring equipment |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1015037B (en) * | 1956-03-23 | 1957-09-05 | Funke Huster Elektrizitaets | Car sorting device for mine railways |
-
1962
- 1962-05-02 GB GB1680762A patent/GB959139A/en not_active Expired
- 1962-05-02 DE DE1962T0022058 patent/DE1234071B/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1294725B (en) * | 1964-10-17 | 1969-05-08 | Grundig Max | Arrangement for classified counting of vehicles on traffic routes |
Also Published As
Publication number | Publication date |
---|---|
DE1234071B (en) | 1967-02-09 |
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