NL302440A - - Google Patents
Info
- Publication number
- NL302440A NL302440A NL302440DA NL302440A NL 302440 A NL302440 A NL 302440A NL 302440D A NL302440D A NL 302440DA NL 302440 A NL302440 A NL 302440A
- 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
- H01H67/24—Co-ordinate-type relay switches having an individual electromagnet at each cross-point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4264/63A GB987930A (en) | 1963-02-01 | 1963-02-01 | Improvements in or relating to electrical lock-out circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL302440A true NL302440A (ja�@�@) |
Family
ID=9773834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL302440D NL302440A (ja�@�@) | 1963-02-01 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3349187A (ja�@�@) |
| BE (1) | BE643281A (ja�@�@) |
| GB (1) | GB987930A (ja�@�@) |
| NL (1) | NL302440A (ja�@�@) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1283917B (de) * | 1965-11-17 | 1968-11-28 | Standard Elektrik Lorenz Ag | Schaltungsanordnung fuer eine mehrstufige regelmaessige Koppelanordnung, fuer Fernmelde-, insbesondere Fernsprechvermittlungsanlagen |
| BE672367A (ja�@�@) * | 1964-11-18 | |||
| NL6606166A (ja�@�@) * | 1966-05-06 | 1967-11-07 | ||
| US3499122A (en) * | 1967-07-06 | 1970-03-03 | Stromberg Carlson Corp | Telephone switching matrix with photoresponsive switching elements |
| FR2116817A5 (ja�@�@) * | 1970-12-08 | 1972-07-21 | Ericsson Telefon Ab L M |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA705514A (en) * | 1965-03-09 | Associated Electrical Industries Limited | Arrangements for controlling the access of a plurality of equipments to a common apparatus or circuit | |
| NL72717C (ja�@�@) * | 1941-11-21 | |||
| BE554822A (ja�@�@) * | 1956-02-09 | |||
| US2962557A (en) * | 1958-07-17 | 1960-11-29 | Itt | Relayless line circuit and call distributing system |
| USRE26227E (en) * | 1961-01-30 | 1967-06-27 | Electronic switching system and line circuit therefor | |
| US3188423A (en) * | 1961-07-27 | 1965-06-08 | Automatic Elect Lab | Crosspoint switching arrays |
| NL289939A (ja�@�@) * | 1962-03-15 |
-
0
- NL NL302440D patent/NL302440A/xx unknown
-
1963
- 1963-02-01 GB GB4264/63A patent/GB987930A/en not_active Expired
-
1964
- 1964-01-16 US US338217A patent/US3349187A/en not_active Expired - Lifetime
- 1964-02-03 BE BE643281D patent/BE643281A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB987930A (en) | 1965-03-31 |
| US3349187A (en) | 1967-10-24 |
| BE643281A (ja�@�@) | 1964-08-03 |