FR974803A - - Google Patents
Info
- Publication number
- FR974803A FR974803A FR974803DA FR974803A FR 974803 A FR974803 A FR 974803A FR 974803D A FR974803D A FR 974803DA FR 974803 A FR974803 A FR 974803A
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/02—Comparing digital values
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/487—Arrangements for providing information services, e.g. recorded voice services or time announcements
- H04M3/4872—Non-interactive information services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB297204X | 1947-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR974803A true FR974803A (fr) | 1951-02-26 |
Family
ID=10296046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR974803D Expired FR974803A (fr) | 1947-11-10 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2683772A (fr) |
| BE (1) | BE485757A (fr) |
| CH (1) | CH297204A (fr) |
| DE (1) | DE905498C (fr) |
| FR (1) | FR974803A (fr) |
| GB (1) | GB657058A (fr) |
| NL (2) | NL81372C (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1048954B (de) * | 1955-08-31 | 1959-01-22 | Ericsson Telefon Ab L M | Elektronisches Register |
| GB805328A (en) * | 1956-01-24 | 1958-12-03 | Siemens Edison Swan Ltd | Improvements relating to automatic telephone exchange systems |
| GB801960A (en) * | 1956-01-24 | 1958-09-24 | Siemens Edison Swan Ltd | Improvements relating to automatic telephone exchange systems and the like |
| DE1067075B (de) * | 1956-01-24 | 1959-10-15 | Siemens Edison Swan Limited, London | Urmrechner für Fernmelde-, insbesondere Fernsprechanlagen |
| DE1072273B (de) * | 1957-10-07 | 1959-12-31 | Western Electric Company, Incorporated, New York, 1N. Y. (V. St. A.) | Schaltungsanordnung für elektronische Fernsprechvermitttungsanlagen |
| NL287309A (fr) * | 1962-01-02 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2387018A (en) * | 1942-08-05 | 1945-10-16 | Bell Lab Inc | Communication system |
| US2361859A (en) * | 1943-11-09 | 1944-10-31 | Bell Telephone Labor Inc | Slide card translator |
| US2364446A (en) * | 1944-01-18 | 1944-12-05 | Bell Telephone Labor Inc | Card translator |
| US2428024A (en) * | 1945-07-07 | 1947-09-30 | Int Standard Electric Corp | Matched potential electrical control system |
| BE486691A (fr) * | 1946-10-31 | |||
| US2519688A (en) * | 1946-11-08 | 1950-08-22 | Bell Telephone Labor Inc | Signal code translator |
-
0
- NL NL666604144A patent/NL143251B/xx unknown
- FR FR974803D patent/FR974803A/fr not_active Expired
- NL NL81372D patent/NL81372C/xx active
- BE BE485757D patent/BE485757A/xx unknown
-
1947
- 1947-11-10 GB GB29870/47A patent/GB657058A/en not_active Expired
-
1948
- 1948-11-08 US US58864A patent/US2683772A/en not_active Expired - Lifetime
- 1948-11-10 CH CH297204D patent/CH297204A/fr unknown
-
1949
- 1949-01-20 DE DEP32029A patent/DE905498C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2683772A (en) | 1954-07-13 |
| GB657058A (en) | 1951-09-12 |
| CH297204A (fr) | 1954-03-15 |
| NL81372C (fr) | |
| NL143251B (nl) | |
| DE905498C (de) | 1954-03-04 |
| BE485757A (fr) |