GB623418A - Improvements relating to apparatus for the detection of the presence of vehicles - Google Patents
Improvements relating to apparatus for the detection of the presence of vehiclesInfo
- Publication number
- GB623418A GB623418A GB29517/46A GB2951746A GB623418A GB 623418 A GB623418 A GB 623418A GB 29517/46 A GB29517/46 A GB 29517/46A GB 2951746 A GB2951746 A GB 2951746A GB 623418 A GB623418 A GB 623418A
- Authority
- GB
- United Kingdom
- Prior art keywords
- capacity
- grid
- track
- insulated wire
- detector
- 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
- 238000001514 detection method Methods 0.000 title 1
- 230000003534 oscillatory effect Effects 0.000 abstract 3
- 230000010355 oscillation Effects 0.000 abstract 2
- 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
- G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L13/00—Operation of signals from the vehicle or by the passage of the vehicle
- B61L13/04—Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track, e.g. by conductor circuits using special means or special conductors
- B61L13/047—Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track, e.g. by conductor circuits using special means or special conductors controlling inductively or magnetically
-
- 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)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US623418XA | 1945-11-27 | 1945-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB623418A true GB623418A (en) | 1949-05-17 |
Family
ID=22041841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB29517/46A Expired GB623418A (en) | 1945-11-27 | 1946-10-03 | Improvements relating to apparatus for the detection of the presence of vehicles |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE477864A (enrdf_load_stackoverflow) |
| FR (1) | FR952299A (enrdf_load_stackoverflow) |
| GB (1) | GB623418A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1036904B (de) * | 1953-07-20 | 1958-08-21 | Kurt Wachtel | Elektrisches Steuergeraet, insbesondere fuer signal- und fernmeldetechnische Zwecke bei Eisenbahnen |
-
0
- BE BE477864D patent/BE477864A/xx unknown
-
1946
- 1946-10-03 GB GB29517/46A patent/GB623418A/en not_active Expired
-
1947
- 1947-08-25 FR FR952299D patent/FR952299A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE477864A (enrdf_load_stackoverflow) | |
| FR952299A (fr) | 1949-11-14 |
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