NL7106099A - - Google Patents
Info
- Publication number
- NL7106099A NL7106099A NL7106099A NL7106099A NL7106099A NL 7106099 A NL7106099 A NL 7106099A NL 7106099 A NL7106099 A NL 7106099A NL 7106099 A NL7106099 A NL 7106099A NL 7106099 A NL7106099 A NL 7106099A
- Authority
- NL
- Netherlands
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)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US3423670A | 1970-05-04 | 1970-05-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7106099A true NL7106099A (enExample) | 1971-11-08 |
Family
ID=21875135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7106099A NL7106099A (enExample) | 1970-05-04 | 1971-05-04 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3670161A (enExample) |
| BR (1) | BR7102691D0 (enExample) |
| CA (1) | CA938369A (enExample) |
| DE (1) | DE2121972A1 (enExample) |
| FR (1) | FR2091200A5 (enExample) |
| GB (1) | GB1336670A (enExample) |
| NL (1) | NL7106099A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3819933A (en) * | 1972-12-08 | 1974-06-25 | Westinghouse Air Brake Co | Detector track circuit for railroad crossings |
| US4304377A (en) * | 1977-06-08 | 1981-12-08 | Compagnie De Signaux Et D'entreprises Electriques | Electrical block separating joints for railway signaling systems |
| CS217737B1 (en) * | 1980-04-04 | 1983-01-28 | Oldrich Poupe | Connection of the railway circuit with plural signalling sources |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2193102A (en) * | 1938-03-19 | 1940-03-12 | Rca Corp | Dictograph |
-
1970
- 1970-05-04 US US34236A patent/US3670161A/en not_active Expired - Lifetime
-
1971
- 1971-04-01 CA CA109375A patent/CA938369A/en not_active Expired
- 1971-05-04 DE DE19712121972 patent/DE2121972A1/de active Pending
- 1971-05-04 NL NL7106099A patent/NL7106099A/xx unknown
- 1971-05-04 FR FR7116087A patent/FR2091200A5/fr not_active Expired
- 1971-05-04 GB GB1309871*[A patent/GB1336670A/en not_active Expired
- 1971-05-04 BR BR2691/71A patent/BR7102691D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1336670A (en) | 1973-11-07 |
| BR7102691D0 (pt) | 1973-04-10 |
| CA938369A (en) | 1973-12-11 |
| US3670161A (en) | 1972-06-13 |
| DE2121972A1 (de) | 1971-11-25 |
| FR2091200A5 (enExample) | 1972-01-14 |