CH355480A - Einrichtung zur Herabsetzung des Übersprechens in einem selbsttätigen Fernsprechamt - Google Patents
Einrichtung zur Herabsetzung des Übersprechens in einem selbsttätigen FernsprechamtInfo
- Publication number
- CH355480A CH355480A CH355480DA CH355480A CH 355480 A CH355480 A CH 355480A CH 355480D A CH355480D A CH 355480DA CH 355480 A CH355480 A CH 355480A
- Authority
- CH
- Switzerland
- Prior art keywords
- telephone exchange
- automatic telephone
- reducing crosstalk
- crosstalk
- reducing
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL355480X | 1956-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH355480A true CH355480A (de) | 1961-07-15 |
Family
ID=19785197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH355480D CH355480A (de) | 1956-12-20 | 1957-12-17 | Einrichtung zur Herabsetzung des Übersprechens in einem selbsttätigen Fernsprechamt |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2982820A (de) |
| BE (1) | BE563328A (de) |
| CH (1) | CH355480A (de) |
| DE (1) | DE1070685B (de) |
| FR (1) | FR1192419A (de) |
| GB (1) | GB829514A (de) |
| NL (2) | NL213166A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL244502A (de) * | 1959-10-20 | |||
| DE1134111B (de) * | 1961-06-07 | 1962-08-02 | Richard Bosse & Co | Anordnung fuer Gabelumschalter in Fernsprechapparaten |
| DE1215775B (de) * | 1963-12-17 | 1966-05-05 | Telefunken Patent | Schaltungsanordnung fuer eine selbsttaetige Fernsprechvermittlungsanlage |
| JPS5822910B2 (ja) * | 1975-07-28 | 1983-05-12 | 日本電気株式会社 | テイロウワコウカンカイロ |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2774071A (en) * | 1949-12-24 | 1956-12-11 | Gen Dynamics Corp | Coincidence finding circuit |
| NL78088C (de) * | 1950-08-08 | |||
| US2763722A (en) * | 1952-05-05 | 1956-09-18 | Hartford Nat Bank & Trust Co | Busy tone circuit for automatic telephone systems |
| NL103264C (de) * | 1955-03-25 |
-
0
- NL NL93779D patent/NL93779C/xx active
- DE DENDAT1070685D patent/DE1070685B/de active Pending
- BE BE563328D patent/BE563328A/xx unknown
- NL NL213166D patent/NL213166A/xx unknown
-
1957
- 1957-11-12 US US695960A patent/US2982820A/en not_active Expired - Lifetime
- 1957-12-17 CH CH355480D patent/CH355480A/de unknown
- 1957-12-17 GB GB39203/57A patent/GB829514A/en not_active Expired
- 1957-12-19 FR FR1192419D patent/FR1192419A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB829514A (en) | 1960-03-02 |
| FR1192419A (fr) | 1959-10-26 |
| DE1070685B (de) | |
| NL93779C (de) | |
| NL213166A (de) | |
| US2982820A (en) | 1961-05-02 |
| BE563328A (de) |
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