FR918681A - Récepteur-enregistreur d'impulsions en téléphonie automatique - Google Patents
Récepteur-enregistreur d'impulsions en téléphonie automatiqueInfo
- Publication number
- FR918681A FR918681A FR918681DA FR918681A FR 918681 A FR918681 A FR 918681A FR 918681D A FR918681D A FR 918681DA FR 918681 A FR918681 A FR 918681A
- Authority
- FR
- France
- Prior art keywords
- recorder
- automatic telephone
- pulse receiver
- telephone pulse
- receiver
- Prior art date
- 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
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Interface Circuits In Exchanges (AREA)
- Prostheses (AREA)
- Relay Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE622205X | 1944-11-17 | ||
SE2551719X | 1945-01-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR918681A true FR918681A (fr) | 1947-02-14 |
Family
ID=32232825
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR914097D Expired FR914097A (fr) | 1944-11-17 | 1945-09-06 | Dispositif de connexion pour centraux à enregistreurs |
FR918681D Expired FR918681A (fr) | 1944-11-17 | 1945-12-10 | Récepteur-enregistreur d'impulsions en téléphonie automatique |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR914097D Expired FR914097A (fr) | 1944-11-17 | 1945-09-06 | Dispositif de connexion pour centraux à enregistreurs |
Country Status (3)
Country | Link |
---|---|
US (2) | US2534822A (fr) |
FR (2) | FR914097A (fr) |
GB (2) | GB622205A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB744126A (en) * | 1950-10-25 | 1956-02-01 | Automatic Telephone & Elect | Improvements in or relating to telecommunication systems |
BE524631A (fr) * | 1952-11-28 | |||
US2948780A (en) * | 1956-01-09 | 1960-08-09 | Ericsson Telefon Ab L M | Automatic telephone system |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1575326A (en) * | 1923-10-18 | 1926-03-02 | Western Electric Co | Registering mechanism |
US1559251A (en) * | 1924-06-13 | 1925-10-27 | Western Electric Co | Private-branch exchange sender circuit |
US1886216A (en) * | 1929-06-21 | 1932-11-01 | Ericsson Telefon Ab L M | Electrical signaling and operating circuit |
GB344766A (en) * | 1929-08-20 | 1931-03-12 | Ericsson Telefon Ab L M | Improved means for the transmission of selector impulses or the like over phantomed lines |
US2106360A (en) * | 1935-06-19 | 1938-01-25 | Bell Telephone Labor Inc | Telephone system |
US2038222A (en) * | 1935-06-26 | 1936-04-21 | Bell Telephone Labor Inc | Telephone system |
FR961957A (fr) * | 1940-05-15 | 1950-05-26 | ||
US2268397A (en) * | 1940-06-12 | 1941-12-30 | Bell Telephone Labor Inc | Telephone system |
US2324394A (en) * | 1940-10-17 | 1943-07-13 | Bell Telephone Labor Inc | Signaling system |
US2317191A (en) * | 1941-01-24 | 1943-04-20 | Bell Telephone Labor Inc | Telephone system |
US2303356A (en) * | 1941-12-30 | 1942-12-01 | Bell Telephone Labor Inc | Selecting system |
US2351446A (en) * | 1942-12-22 | 1944-06-13 | Bell Telephone Labor Inc | Sender load control |
-
1945
- 1945-08-10 US US610009A patent/US2534822A/en not_active Expired - Lifetime
- 1945-09-06 FR FR914097D patent/FR914097A/fr not_active Expired
- 1945-10-29 GB GB28640/45A patent/GB622205A/en not_active Expired
- 1945-11-19 US US629605A patent/US2552719A/en not_active Expired - Lifetime
- 1945-12-10 FR FR918681D patent/FR918681A/fr not_active Expired
- 1945-12-20 GB GB34619/45A patent/GB634985A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR914097A (fr) | 1946-09-27 |
US2552719A (en) | 1951-05-15 |
GB634985A (en) | 1950-03-29 |
GB622205A (en) | 1949-04-28 |
US2534822A (en) | 1950-12-19 |
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