NL84756C - - Google Patents
Info
- Publication number
- NL84756C NL84756C NL84756DC NL84756C NL 84756 C NL84756 C NL 84756C NL 84756D C NL84756D C NL 84756DC NL 84756 C NL84756 C NL 84756C
- Authority
- NL
- Netherlands
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 |
|---|---|---|---|
| NL314163X | 1951-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL84756C true NL84756C (en:Method) |
Family
ID=19783748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL84756D NL84756C (en:Method) | 1951-04-13 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2740844A (en:Method) |
| BE (1) | BE510603A (en:Method) |
| CH (1) | CH314163A (en:Method) |
| DE (1) | DE917312C (en:Method) |
| FR (1) | FR64510E (en:Method) |
| GB (1) | GB722435A (en:Method) |
| NL (1) | NL84756C (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2773129A (en) * | 1955-07-27 | 1956-12-04 | Itt | Flat-bank crossbar switch |
| BE551876A (en:Method) * | 1955-11-15 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1564231A (en) * | 1925-12-08 | Telephone switch | ||
| US1339001A (en) * | 1917-04-11 | 1920-05-04 | Western Electric Co | Cross-bar switch |
| US2550241A (en) * | 1945-06-29 | 1951-04-24 | Automatic Elect Lab | Crossbar switching device |
| US2479678A (en) * | 1945-11-21 | 1949-08-23 | Automatic Elect Lab | Crossbar switch having a plurality of selecting magnets with a common control and a common release magnet |
| US2573453A (en) * | 1948-03-15 | 1951-10-30 | Hartford Nat Bank & Trust Co | Cross-bar switch for use in automatic telephone systems |
-
0
- NL NL84756D patent/NL84756C/xx active
- BE BE510603D patent/BE510603A/xx unknown
-
1952
- 1952-02-22 GB GB4730/52A patent/GB722435A/en not_active Expired
- 1952-04-03 US US280253A patent/US2740844A/en not_active Expired - Lifetime
- 1952-04-09 DE DEJ5715A patent/DE917312C/de not_active Expired
- 1952-04-09 CH CH314163D patent/CH314163A/de unknown
- 1952-04-11 FR FR64510D patent/FR64510E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE510603A (en:Method) | |
| DE917312C (de) | 1954-08-30 |
| FR64510E (fr) | 1955-11-14 |
| US2740844A (en) | 1956-04-03 |
| CH314163A (de) | 1956-05-31 |
| GB722435A (en) | 1955-01-26 |