FR81226E - - Google Patents
Info
- Publication number
- FR81226E FR81226E FR81226DA FR81226E FR 81226 E FR81226 E FR 81226E FR 81226D A FR81226D A FR 81226DA FR 81226 E FR81226 E FR 81226E
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
- H03K17/62—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors
- H03K17/6285—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors with several outputs only combined with selecting means
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
- H03K17/62—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors
- H03K17/6257—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors with several inputs only combined with selecting means
-
- 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)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Electronic Switches (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US816869A US3183364A (en) | 1959-05-29 | 1959-05-29 | Electronic single pole-double throw switch |
| US837400A US3118974A (en) | 1959-05-29 | 1959-09-01 | Electronic switching telephone system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR81226E true FR81226E (fr) | 1963-12-06 |
Family
ID=27124114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR81226D Expired FR81226E (fr) | 1959-05-29 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3118974A (fr) |
| DE (1) | DE1140606B (fr) |
| FR (1) | FR81226E (fr) |
| GB (2) | GB889754A (fr) |
| NL (1) | NL255464A (fr) |
| SE (1) | SE309054B (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3221108A (en) * | 1962-10-15 | 1965-11-30 | Itt | Electronic private branch exchange |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL88314C (fr) * | 1949-06-30 | |||
| DE854375C (de) * | 1951-03-11 | 1952-11-04 | Siemens Ag | Schaltungsanordnung zur Verbindung von ankommenden und abgehenden Leitungen mittels Wahleinrichtungen in Fernmelde-anlagen, vorzugsweise in Fernsprechanlagen mit Waehlerbetrieb |
| GB735635A (en) * | 1951-12-14 | 1955-08-24 | Automatic Telephone & Elect | Improvements in or relating to telephone systems |
| BE567178A (fr) * | 1952-07-01 | |||
| US2854316A (en) * | 1955-02-03 | 1958-09-30 | Columbia Southern Chem Corp | Process for purifying silica |
| BE545627A (fr) * | 1955-03-04 | |||
| GB814598A (en) * | 1956-04-28 | 1959-06-10 | Automatic Telephone & Elect | Improvements in or relating to telephone systems |
-
0
- FR FR81226D patent/FR81226E/fr not_active Expired
- NL NL255464D patent/NL255464A/xx unknown
-
1959
- 1959-09-01 US US837400A patent/US3118974A/en not_active Expired - Lifetime
-
1960
- 1960-05-27 GB GB18798/60A patent/GB889754A/en not_active Expired
- 1960-08-23 SE SE8043/60A patent/SE309054B/xx unknown
- 1960-08-26 GB GB29585/60A patent/GB938685A/en not_active Expired
- 1960-08-31 DE DEJ18644A patent/DE1140606B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL255464A (fr) | |
| DE1140606B (de) | 1962-12-06 |
| GB889754A (en) | 1962-02-21 |
| GB938685A (en) | 1963-10-02 |
| SE309054B (fr) | 1969-03-10 |
| US3118974A (en) | 1964-01-21 |