BE511490A - - Google Patents
Info
- Publication number
- BE511490A BE511490A BE511490DA BE511490A BE 511490 A BE511490 A BE 511490A BE 511490D A BE511490D A BE 511490DA BE 511490 A BE511490 A BE 511490A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H67/00—Electrically-operated selector switches
- H01H67/22—Switches without multi-position wipers
- H01H67/26—Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H63/00—Details of electrically-operated selector switches
- H01H63/02—Contacts; Wipers; Connections thereto
- H01H63/06—Contact banks
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR314170X | 1951-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE511490A true BE511490A (en:Method) |
Family
ID=8889488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE511490D BE511490A (en:Method) | 1951-05-18 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2691700A (en:Method) |
| BE (1) | BE511490A (en:Method) |
| CH (2) | CH314170A (en:Method) |
| DE (1) | DE917795C (en:Method) |
| FR (1) | FR62984E (en:Method) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1528761A (en) * | 1922-05-29 | 1925-03-10 | Western Electric Co | Automatic telephone switch |
| BE468864A (en:Method) * | 1939-04-24 | |||
| US2447010A (en) * | 1946-08-28 | 1948-08-17 | Bell Telephone Labor Inc | Crossbar switch |
| US2577067A (en) * | 1948-02-17 | 1951-12-04 | Kellogg Switchboard & Supply | Crossbar switch |
-
0
- BE BE511490D patent/BE511490A/xx unknown
-
1952
- 1952-05-16 US US288278A patent/US2691700A/en not_active Expired - Lifetime
- 1952-05-17 CH CH314170D patent/CH314170A/fr unknown
- 1952-05-18 DE DEI5867A patent/DE917795C/de not_active Expired
- 1952-06-24 FR FR62984D patent/FR62984E/fr not_active Expired
-
1953
- 1953-06-24 CH CH340868D patent/CH340868A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE917795C (de) | 1954-09-13 |
| CH340868A (fr) | 1959-09-15 |
| FR62984E (fr) | 1955-07-01 |
| US2691700A (en) | 1954-10-12 |
| CH314170A (fr) | 1956-05-31 |