FR2324169B1 - - Google Patents
Info
- Publication number
- FR2324169B1 FR2324169B1 FR7534754A FR7534754A FR2324169B1 FR 2324169 B1 FR2324169 B1 FR 2324169B1 FR 7534754 A FR7534754 A FR 7534754A FR 7534754 A FR7534754 A FR 7534754A FR 2324169 B1 FR2324169 B1 FR 2324169B1
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/03—Arrangements for fault recovery
- H04B10/032—Arrangements for fault recovery using working and protection systems
-
- 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
- B61L1/20—Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning
-
- 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
- H03K19/003—Modifications for increasing the reliability for protection
- H03K19/00392—Modifications for increasing the reliability for protection by circuit redundancy
-
- 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
- H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
- H03K19/14—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- Mathematical Physics (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electronic Switches (AREA)
- Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE1006876A BE833287A (fr) | 1975-09-11 | 1975-09-11 | Circuit logique de securite, etablissement une condition de compatibilite |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2324169A1 FR2324169A1 (fr) | 1977-04-08 |
| FR2324169B1 true FR2324169B1 (cs) | 1979-09-21 |
Family
ID=3862822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7534754A Granted FR2324169A1 (fr) | 1975-09-11 | 1975-11-14 | Circuit logique de securite, etablissant une condition de compatibilite |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE833287A (cs) |
| DE (1) | DE2640889A1 (cs) |
| FR (1) | FR2324169A1 (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3132623A1 (de) * | 1981-08-18 | 1983-03-03 | Siemens AG, 1000 Berlin und 8000 München | Vorrichtung zur realisierung einer logischen operation |
-
1975
- 1975-09-11 BE BE1006876A patent/BE833287A/xx not_active IP Right Cessation
- 1975-11-14 FR FR7534754A patent/FR2324169A1/fr active Granted
-
1976
- 1976-09-10 DE DE19762640889 patent/DE2640889A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| BE833287A (fr) | 1976-03-11 |
| DE2640889A1 (de) | 1977-03-24 |
| FR2324169A1 (fr) | 1977-04-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |