FR2147481A5 - - Google Patents
Info
- Publication number
- FR2147481A5 FR2147481A5 FR7127776A FR7127776A FR2147481A5 FR 2147481 A5 FR2147481 A5 FR 2147481A5 FR 7127776 A FR7127776 A FR 7127776A FR 7127776 A FR7127776 A FR 7127776A FR 2147481 A5 FR2147481 A5 FR 2147481A5
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/007—Fail-safe circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/12—Visible signals
- B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
- B61L5/1809—Daylight signals
- B61L5/1881—Wiring diagrams for power supply, control or testing
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Mechanical Engineering (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7127776A FR2147481A5 (de) | 1971-07-29 | 1971-07-29 | |
ZA724580A ZA724580B (en) | 1971-07-29 | 1972-07-04 | A pulsed logical and circuit |
AU44257/72A AU440160B2 (en) | 1971-07-29 | 1972-07-05 | A pulsed logical and circuit |
CA146,783A CA977041A (en) | 1971-07-29 | 1972-07-10 | Circuit logique et impulsionnel a securite intrinseque |
BE786502A BE786502A (fr) | 1971-07-29 | 1972-07-20 | Circuit logique et impulsionnel a securite intrinseque |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7127776A FR2147481A5 (de) | 1971-07-29 | 1971-07-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2147481A5 true FR2147481A5 (de) | 1973-03-09 |
Family
ID=9081108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7127776A Expired FR2147481A5 (de) | 1971-07-29 | 1971-07-29 |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE786502A (de) |
CA (1) | CA977041A (de) |
FR (1) | FR2147481A5 (de) |
ZA (1) | ZA724580B (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2554291A1 (fr) * | 1983-10-26 | 1985-05-03 | Jeumont Schneider | Circuit logique " et " a securite intrinseque |
EP0472747A1 (de) * | 1990-08-21 | 1992-03-04 | Scheidt & Bachmann Gmbh | Anordnung zum überwachten Betrieb eines Verbrauchers |
CN103318195A (zh) * | 2013-07-08 | 2013-09-25 | 中国北车集团大同电力机车有限责任公司 | 电力机车受电弓运行保持的实现电路及实现方法 |
CN105460025A (zh) * | 2014-09-12 | 2016-04-06 | 中车大连电力牵引研发中心有限公司 | 电力机车换端控制方法和控制系统 |
-
1971
- 1971-07-29 FR FR7127776A patent/FR2147481A5/fr not_active Expired
-
1972
- 1972-07-04 ZA ZA724580A patent/ZA724580B/xx unknown
- 1972-07-10 CA CA146,783A patent/CA977041A/en not_active Expired
- 1972-07-20 BE BE786502A patent/BE786502A/xx not_active IP Right Cessation
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2554291A1 (fr) * | 1983-10-26 | 1985-05-03 | Jeumont Schneider | Circuit logique " et " a securite intrinseque |
EP0141716A1 (de) * | 1983-10-26 | 1985-05-15 | JEUMONT-SCHNEIDER Société anonyme dite: | Fehlersichere logische UND-Schaltung |
US4636660A (en) * | 1983-10-26 | 1987-01-13 | Jeumont-Schneider Corporation | Fail-safe "AND" gate using capacitor discharge through a transformer |
EP0472747A1 (de) * | 1990-08-21 | 1992-03-04 | Scheidt & Bachmann Gmbh | Anordnung zum überwachten Betrieb eines Verbrauchers |
CN103318195A (zh) * | 2013-07-08 | 2013-09-25 | 中国北车集团大同电力机车有限责任公司 | 电力机车受电弓运行保持的实现电路及实现方法 |
CN105460025A (zh) * | 2014-09-12 | 2016-04-06 | 中车大连电力牵引研发中心有限公司 | 电力机车换端控制方法和控制系统 |
CN105460025B (zh) * | 2014-09-12 | 2018-05-18 | 中车大连电力牵引研发中心有限公司 | 电力机车换端控制方法和控制系统 |
Also Published As
Publication number | Publication date |
---|---|
ZA724580B (en) | 1973-03-28 |
CA977041A (en) | 1975-10-28 |
BE786502A (fr) | 1972-11-16 |
AU4425772A (en) | 1973-09-27 |