CH374104A - Fernmeldeanlage mit relaislosen Teilnehmer-Leitungsstromkreisen - Google Patents
Fernmeldeanlage mit relaislosen Teilnehmer-LeitungsstromkreisenInfo
- Publication number
- CH374104A CH374104A CH7587059A CH7587059A CH374104A CH 374104 A CH374104 A CH 374104A CH 7587059 A CH7587059 A CH 7587059A CH 7587059 A CH7587059 A CH 7587059A CH 374104 A CH374104 A CH 374104A
- Authority
- CH
- Switzerland
- Prior art keywords
- relay
- subscriber line
- telecommunication system
- line circuits
- free subscriber
- Prior art date
Links
Classifications
-
- 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)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US749240A US2962557A (en) | 1958-07-17 | 1958-07-17 | Relayless line circuit and call distributing system |
| US37823A US3029315A (en) | 1958-07-17 | 1960-05-18 | Relayless line circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH374104A true CH374104A (de) | 1963-12-31 |
Family
ID=26714526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH7587059A CH374104A (de) | 1958-07-17 | 1959-07-17 | Fernmeldeanlage mit relaislosen Teilnehmer-Leitungsstromkreisen |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3029315A (de) |
| CH (1) | CH374104A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3129289A (en) * | 1959-06-26 | 1964-04-14 | Itt | Electronic line circuit |
| US8366481B2 (en) | 2011-03-30 | 2013-02-05 | John Mezzalingua Associates, Inc. | Continuity maintaining biasing member |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE536017A (de) * | 1954-02-26 | |||
| CA584209A (en) * | 1955-11-03 | 1959-09-29 | Pitlik Hillel | Electronic telephone subscriber's line circuit for neutralizing the effects of longitudinal induction and longitudinal unbalance |
| US2921140A (en) * | 1957-12-31 | 1960-01-12 | Bell Telephone Labor Inc | Line circuit |
-
1959
- 1959-07-17 CH CH7587059A patent/CH374104A/de unknown
-
1960
- 1960-05-18 US US37823A patent/US3029315A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3029315A (en) | 1962-04-10 |
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