FR2268663B1 - - Google Patents
Info
- Publication number
- FR2268663B1 FR2268663B1 FR7414396A FR7414396A FR2268663B1 FR 2268663 B1 FR2268663 B1 FR 2268663B1 FR 7414396 A FR7414396 A FR 7414396A FR 7414396 A FR7414396 A FR 7414396A FR 2268663 B1 FR2268663 B1 FR 2268663B1
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7414396A FR2268663A1 (en) | 1974-04-25 | 1974-04-25 | Railway track circuit receiver - is alternating impulse type immune from stray high frequency interference |
| ZA00752526A ZA752526B (en) | 1974-04-25 | 1975-04-21 | Improvements in or relating to a track circuit receiver operating with impulses of alternating polarity |
| BE155627A BE828213A (fr) | 1974-04-25 | 1975-04-22 | Recepteur de circuit de voie a impulsions de polarite alternee, insensible aux impulsions parasites a frequence de recurrence plus elevee |
| BR3111/75A BR7502448A (pt) | 1974-04-25 | 1975-04-23 | Receptor de circuito de via permanente com impulsos de polaridade alternada insensivel aos impulsos parasitas, com frequencia de recorencia mais elevada |
| LU72344A LU72344A1 (sr) | 1974-04-25 | 1975-04-23 | |
| CA225,564A CA1021450A (en) | 1974-04-25 | 1975-04-24 | Alternate polarite pulse receiver for track circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7414396A FR2268663A1 (en) | 1974-04-25 | 1974-04-25 | Railway track circuit receiver - is alternating impulse type immune from stray high frequency interference |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2268663A1 FR2268663A1 (en) | 1975-11-21 |
| FR2268663B1 true FR2268663B1 (sr) | 1977-03-04 |
Family
ID=9138114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7414396A Granted FR2268663A1 (en) | 1974-04-25 | 1974-04-25 | Railway track circuit receiver - is alternating impulse type immune from stray high frequency interference |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE828213A (sr) |
| BR (1) | BR7502448A (sr) |
| CA (1) | CA1021450A (sr) |
| FR (1) | FR2268663A1 (sr) |
| LU (1) | LU72344A1 (sr) |
| ZA (1) | ZA752526B (sr) |
-
1974
- 1974-04-25 FR FR7414396A patent/FR2268663A1/fr active Granted
-
1975
- 1975-04-21 ZA ZA00752526A patent/ZA752526B/xx unknown
- 1975-04-22 BE BE155627A patent/BE828213A/xx not_active IP Right Cessation
- 1975-04-23 LU LU72344A patent/LU72344A1/xx unknown
- 1975-04-23 BR BR3111/75A patent/BR7502448A/pt unknown
- 1975-04-24 CA CA225,564A patent/CA1021450A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1021450A (en) | 1977-11-22 |
| LU72344A1 (sr) | 1975-08-20 |
| BE828213A (fr) | 1975-08-18 |
| BR7502448A (pt) | 1976-03-09 |
| FR2268663A1 (en) | 1975-11-21 |
| ZA752526B (en) | 1976-03-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |