NL7207966A - - Google Patents
Info
- Publication number
- NL7207966A NL7207966A NL7207966A NL7207966A NL7207966A NL 7207966 A NL7207966 A NL 7207966A NL 7207966 A NL7207966 A NL 7207966A NL 7207966 A NL7207966 A NL 7207966A NL 7207966 A NL7207966 A NL 7207966A
- Authority
- NL
- Netherlands
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L29/00—Safety means for rail/road crossing traffic
- B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
- B61L29/28—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
- B61L29/288—Wiring diagram of the signal control circuits
Landscapes
- 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 |
|---|---|---|---|
| US15284871A | 1971-06-14 | 1971-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7207966A true NL7207966A (enExample) | 1972-12-18 |
Family
ID=22544706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7207966A NL7207966A (enExample) | 1971-06-14 | 1972-06-12 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3734434A (enExample) |
| AR (1) | AR196406A1 (enExample) |
| BR (1) | BR7203834D0 (enExample) |
| CA (1) | CA939775A (enExample) |
| ES (1) | ES403849A1 (enExample) |
| FR (1) | FR2142411A5 (enExample) |
| GB (1) | GB1336690A (enExample) |
| IT (1) | IT958341B (enExample) |
| NL (1) | NL7207966A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4307860A (en) * | 1979-07-30 | 1981-12-29 | American Standard Inc. | Railroad grade crossing constant warning protection system |
| US9925995B1 (en) * | 2015-02-03 | 2018-03-27 | Bnsf Railway Company | Highway crossing out-of-service controller |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3390256A (en) * | 1963-09-18 | 1968-06-25 | Marquardt Corp | Predictor self-check system for analog computer |
| US3422262A (en) * | 1966-02-01 | 1969-01-14 | Gen Signal Corp | Highway crossing signal control system |
-
1971
- 1971-06-14 US US00152848A patent/US3734434A/en not_active Expired - Lifetime
-
1972
- 1972-03-03 CA CA136,227A patent/CA939775A/en not_active Expired
- 1972-06-12 NL NL7207966A patent/NL7207966A/xx unknown
- 1972-06-13 FR FR7221218A patent/FR2142411A5/fr not_active Expired
- 1972-06-13 IT IT50849/72A patent/IT958341B/it active
- 1972-06-14 AR AR242546A patent/AR196406A1/es active
- 1972-06-14 ES ES403849A patent/ES403849A1/es not_active Expired
- 1972-06-14 BR BR3834/72A patent/BR7203834D0/pt unknown
- 1972-09-09 GB GB2706672*[A patent/GB1336690A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3734434A (en) | 1973-05-22 |
| IT958341B (it) | 1973-10-20 |
| ES403849A1 (es) | 1975-11-16 |
| FR2142411A5 (enExample) | 1973-01-26 |
| BR7203834D0 (pt) | 1973-05-24 |
| AR196406A1 (es) | 1973-12-27 |
| CA939775A (en) | 1974-01-08 |
| GB1336690A (en) | 1973-11-07 |