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
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 |
BE546282A (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 GB GB39203/57A patent/GB829514A/en not_active Expired
- 1957-12-17 CH CH355480D patent/CH355480A/de unknown
- 1957-12-19 FR FR1192419D patent/FR1192419A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL93779C (de) | |
GB829514A (en) | 1960-03-02 |
US2982820A (en) | 1961-05-02 |
NL213166A (de) | |
BE563328A (de) | |
FR1192419A (fr) | 1959-10-26 |
DE1070685B (de) |
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