FR2206722A5 - - Google Patents
Info
- Publication number
- FR2206722A5 FR2206722A5 FR7240787A FR7240787A FR2206722A5 FR 2206722 A5 FR2206722 A5 FR 2206722A5 FR 7240787 A FR7240787 A FR 7240787A FR 7240787 A FR7240787 A FR 7240787A FR 2206722 A5 FR2206722 A5 FR 2206722A5
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/18—Railway track circuits
- B61L1/181—Details
- B61L1/187—Use of alternating current
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7240787A FR2206722A5 (en) | 1972-11-16 | 1972-11-16 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7240787A FR2206722A5 (en) | 1972-11-16 | 1972-11-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2206722A5 true FR2206722A5 (en) | 1974-06-07 |
Family
ID=9107277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7240787A Expired FR2206722A5 (en) | 1972-11-16 | 1972-11-16 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2206722A5 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4149690A (en) * | 1975-10-17 | 1979-04-17 | Jeumont-Schneider | Positive-response transit detector for a given transit zone |
-
1972
- 1972-11-16 FR FR7240787A patent/FR2206722A5/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4149690A (en) * | 1975-10-17 | 1979-04-17 | Jeumont-Schneider | Positive-response transit detector for a given transit zone |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |