CH306520A - Installation téléphonique. - Google Patents
Installation téléphonique.Info
- Publication number
- CH306520A CH306520A CH306520DA CH306520A CH 306520 A CH306520 A CH 306520A CH 306520D A CH306520D A CH 306520DA CH 306520 A CH306520 A CH 306520A
- Authority
- CH
- Switzerland
- Prior art keywords
- telephone installation
- telephone
- installation
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1025939T | 1950-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH306520A true CH306520A (fr) | 1955-04-15 |
Family
ID=9579774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH306520D CH306520A (fr) | 1950-10-13 | 1951-10-13 | Installation téléphonique. |
Country Status (4)
Country | Link |
---|---|
US (1) | US2717924A (fr) |
BE (1) | BE506349A (fr) |
CH (1) | CH306520A (fr) |
FR (1) | FR1025939A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3826874A (en) * | 1973-04-19 | 1974-07-30 | Air Land Syst | Method and apparatus for effecting jump hunting in step-by-step telephone switching systems |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1542977A (en) * | 1923-04-30 | 1925-06-23 | Western Electric Co | Telephone-exchange system |
US1799175A (en) * | 1927-02-25 | 1931-04-07 | Merk Friedrich | Automatic telephone system |
US2070909A (en) * | 1934-02-13 | 1937-02-16 | Siemens Ag | Telephone system |
GB451512A (en) * | 1935-02-06 | 1936-08-06 | Automatic Electric Co Ltd | Improvements in or relating to telephone systems |
GB479852A (en) * | 1936-08-11 | 1938-02-11 | Automatic Electric Co Ltd | Improvements in or relating to automatic or semi-automatic telephone systems |
US2267987A (en) * | 1938-12-19 | 1941-12-30 | Associated Electric Lab Inc | Signaling system |
-
0
- BE BE506349D patent/BE506349A/xx unknown
-
1950
- 1950-10-13 FR FR1025939D patent/FR1025939A/fr not_active Expired
-
1951
- 1951-10-10 US US250659A patent/US2717924A/en not_active Expired - Lifetime
- 1951-10-13 CH CH306520D patent/CH306520A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
FR1025939A (fr) | 1953-04-21 |
US2717924A (en) | 1955-09-13 |
BE506349A (fr) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH319082A (fr) | Installation de communication | |
CH312455A (de) | Fernmeldeanlage. | |
FR1031047A (fr) | Installation téléphonique | |
CH293717A (fr) | Stylographe. | |
CH306520A (fr) | Installation téléphonique. | |
CH307140A (fr) | Installation de télécommunication. | |
CH301277A (fr) | Installation téléphonique. | |
CH303467A (de) | Telephonograph. | |
DK78237C (da) | Lokaltelefonanlæg. | |
FR1042872A (fr) | Récepteur téléphonique | |
DK84132C (da) | Falddavid. | |
DK77110C (da) | Stjerneur. | |
ES23339Y (es) | Cortinas-persianas. | |
ES25067Y (es) | Cenicero-gong. | |
ES24289Y (es) | Ducha-esponja. | |
ES22584Y (es) | Farol-licolera. | |
ES23528Y (es) | Juguete-puñal eclipsable. | |
DK78433C (da) | Forplov. | |
ES22564Y (es) | Terraja-guía. | |
ES22485Y (es) | Cuadro-armario. | |
ES22300Y (es) | Elevador-reductor. | |
ES22209Y (es) | Mueble-fichero. | |
ES23644Y (es) | Camisa-canzoncillos. | |
ES22009Y (es) | Regla-porta-nonio-escala. | |
ES25206Y (es) | Chupete-biberón. |