BE481271A - - Google Patents
Info
- Publication number
- BE481271A BE481271A BE481271DA BE481271A BE 481271 A BE481271 A BE 481271A BE 481271D A BE481271D A BE 481271DA BE 481271 A BE481271 A BE 481271A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Push-Button Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US709668A US2531457A (en) | 1946-11-13 | 1946-11-13 | Push-button switch arranged in multiple rows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE481271A true BE481271A (fr) |
Family
ID=24850843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE481271D BE481271A (fr) | 1946-11-13 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2531457A (fr) |
| BE (1) | BE481271A (fr) |
| FR (1) | FR955476A (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2748205A (en) * | 1951-12-14 | 1956-05-29 | Bryant Electric Co | Switch |
| US2773139A (en) * | 1952-11-04 | 1956-12-04 | Bryant Electric Co | Switch |
| US2885499A (en) * | 1956-09-12 | 1959-05-05 | Saxony Electronics Inc | Electrical switch |
| IT974400B (it) * | 1972-12-29 | 1974-06-20 | R L Argentec Soc | Sistema di controllo manuale ed automatico per apparecchiature elettroniche ed altro |
| US4243847A (en) * | 1979-04-30 | 1981-01-06 | Gte Automatic Electric Laboratories Incorporated | Automatic restoral mechanism for a pushbutton key telephone instrument |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US570812A (en) * | 1896-11-03 | Voting-machine | ||
| US701282A (en) * | 1901-06-10 | 1902-06-03 | Louis Eysenbach Jr | Intercommunicating telephone-switch. |
| US984686A (en) * | 1907-05-29 | 1911-02-21 | Dean Electric Co | Intercommunicating telephone system. |
| US931331A (en) * | 1907-11-23 | 1909-08-17 | Western Electric Co | Telephone-key. |
| US1332596A (en) * | 1919-08-27 | 1920-03-02 | Charles M Borneman | Auto-jack |
| US2248589A (en) * | 1940-05-23 | 1941-07-08 | Gen Electric | Interoffice telephone |
| US2338757A (en) * | 1941-06-12 | 1944-01-11 | Bell Telephone Labor Inc | Telephone set |
| US2320774A (en) * | 1942-08-25 | 1943-06-01 | Gen Electric | Multiple switch and the like |
-
0
- FR FR955476D patent/FR955476A/fr not_active Expired
- BE BE481271D patent/BE481271A/xx unknown
-
1946
- 1946-11-13 US US709668A patent/US2531457A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR955476A (fr) | 1950-01-14 |
| US2531457A (en) | 1950-11-28 |