FR2219557B3 - - Google Patents
Info
- Publication number
- FR2219557B3 FR2219557B3 FR7306311A FR7306311A FR2219557B3 FR 2219557 B3 FR2219557 B3 FR 2219557B3 FR 7306311 A FR7306311 A FR 7306311A FR 7306311 A FR7306311 A FR 7306311A FR 2219557 B3 FR2219557 B3 FR 2219557B3
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
- H04M17/023—Circuit arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7306311A FR2219557B3 (fr) | 1973-02-22 | 1973-02-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7306311A FR2219557B3 (fr) | 1973-02-22 | 1973-02-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2219557A1 FR2219557A1 (fr) | 1974-09-20 |
| FR2219557B3 true FR2219557B3 (fr) | 1976-02-13 |
Family
ID=9115258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7306311A Expired FR2219557B3 (fr) | 1973-02-22 | 1973-02-22 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2219557B3 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH596722A5 (fr) * | 1976-06-15 | 1978-03-15 | Sodeco Compteurs De Geneve | |
| FR2606947A1 (fr) * | 1986-11-14 | 1988-05-20 | Thomson Csf | Dispositif de commutation pour assurer la continuite de la fourniture d'energie, par une alimentation, a un materiel portable et alimentation comportant un tel dispositif |
| FR2653948B1 (fr) * | 1989-10-31 | 1992-04-03 | Innovatron Sa | Dispositif de verrouillage en position de securite d'un systeme electronique basculant. |
-
1973
- 1973-02-22 FR FR7306311A patent/FR2219557B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2219557A1 (fr) | 1974-09-20 |