NL74795C - - Google Patents
Info
- Publication number
- NL74795C NL74795C NL74795DC NL74795C NL 74795 C NL74795 C NL 74795C NL 74795D C NL74795D C NL 74795DC NL 74795 C NL74795 C NL 74795C
- 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL317711X | 1951-04-13 | ||
| NL2787668X | 1952-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL74795C true NL74795C (https=) |
Family
ID=32328449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL74795D NL74795C (https=) | 1951-04-13 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US2822431A (https=) |
| BE (2) | BE510602A (https=) |
| CH (1) | CH317711A (https=) |
| DE (1) | DE929557C (https=) |
| FR (2) | FR65385E (https=) |
| GB (1) | GB722438A (https=) |
| NL (1) | NL74795C (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB890235A (https=) * | 1959-05-09 | 1900-01-01 | ||
| US3289127A (en) * | 1965-01-19 | 1966-11-29 | Bell Telephone Labor Inc | Code-bar controlled coordinated switch |
Family Cites Families (6)
| 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 |
| US2082911A (en) * | 1935-11-08 | 1937-06-08 | American Telephone & Telegraph | Switch |
| US2239329A (en) * | 1937-12-21 | 1941-04-22 | Ericsson Telefon Ab L M | Selector |
| US2664468A (en) * | 1949-03-09 | 1953-12-29 | Int Standard Electric Corp | Commutating mechanism for crossbar switches |
| BE493326A (https=) * | 1950-01-17 |
-
0
- BE BE516812D patent/BE516812A/xx unknown
- FR FR1059933D patent/FR1059933A/fr not_active Expired
- BE BE510602D patent/BE510602A/xx unknown
- NL NL74795D patent/NL74795C/xx active
-
1952
- 1952-03-14 GB GB6638/52A patent/GB722438A/en not_active Expired
- 1952-04-03 US US280252A patent/US2822431A/en not_active Expired - Lifetime
- 1952-04-09 CH CH317711D patent/CH317711A/de unknown
- 1952-04-09 DE DEI5716A patent/DE929557C/de not_active Expired
-
1953
- 1953-01-02 US US329424A patent/US2787668A/en not_active Expired - Lifetime
- 1953-01-09 FR FR65385D patent/FR65385E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE929557C (de) | 1955-06-30 |
| GB722438A (en) | 1955-01-26 |
| BE510602A (https=) | |
| FR1059933A (https=) | 1954-03-29 |
| CH317711A (de) | 1956-11-30 |
| FR65385E (fr) | 1956-02-09 |
| BE516812A (https=) | |
| US2787668A (en) | 1957-04-02 |
| US2822431A (en) | 1958-02-04 |