BE523140A - - Google Patents
Info
- Publication number
- BE523140A BE523140A BE523140DA BE523140A BE 523140 A BE523140 A BE 523140A BE 523140D A BE523140D A BE 523140DA BE 523140 A BE523140 A BE 523140A
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US313250A US2729706A (en) | 1952-10-06 | 1952-10-06 | Cross-bar switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE523140A true BE523140A (en:Method) |
Family
ID=23214973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE523140D BE523140A (en:Method) | 1952-10-06 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2729706A (en:Method) |
| BE (1) | BE523140A (en:Method) |
| DE (1) | DE927639C (en:Method) |
| FR (1) | FR1088013A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE551876A (en:Method) * | 1955-11-15 | |||
| US2950350A (en) * | 1957-03-12 | 1960-08-23 | Andrew W Vincent | Crossbar switch |
| US3153840A (en) * | 1960-07-18 | 1964-10-27 | Andrew W Vincent | Method of making contact members for crossbar switch |
| US3250860A (en) * | 1962-05-02 | 1966-05-10 | James Cunningham Son & Co Inc | Electrical switching apparatus for high frequency signals |
| US3553411A (en) * | 1967-10-27 | 1971-01-05 | Sarl | Automatic switching device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2517022A (en) * | 1947-12-30 | 1950-08-01 | Bell Telephone Labor Inc | Cross-wire switch |
-
0
- BE BE523140D patent/BE523140A/xx unknown
-
1952
- 1952-10-06 US US313250A patent/US2729706A/en not_active Expired - Lifetime
-
1953
- 1953-08-02 DE DEC7984A patent/DE927639C/de not_active Expired
- 1953-09-24 FR FR1088013D patent/FR1088013A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1088013A (fr) | 1955-03-02 |
| DE927639C (de) | 1955-05-12 |
| US2729706A (en) | 1956-01-03 |