CH429836A - Circuit arrangement for telephone subscriber stations with a transistor amplifier - Google Patents
Circuit arrangement for telephone subscriber stations with a transistor amplifierInfo
- Publication number
- CH429836A CH429836A CH201066A CH201066A CH429836A CH 429836 A CH429836 A CH 429836A CH 201066 A CH201066 A CH 201066A CH 201066 A CH201066 A CH 201066A CH 429836 A CH429836 A CH 429836A
- Authority
- CH
- Switzerland
- Prior art keywords
- circuit arrangement
- subscriber stations
- telephone subscriber
- transistor amplifier
- amplifier
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/738—Interface circuits for coupling substations to external telephone lines
- H04M1/76—Compensating for differences in line impedance
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1965K0055688 DE1262352B (en) | 1965-03-31 | 1965-03-31 | Circuit arrangement for telephone subscriber stations with a transistor amplifier to compensate for the attenuation of different subscriber lines |
Publications (1)
Publication Number | Publication Date |
---|---|
CH429836A true CH429836A (en) | 1967-02-15 |
Family
ID=7227558
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH201066A CH429836A (en) | 1965-03-31 | 1966-02-11 | Circuit arrangement for telephone subscriber stations with a transistor amplifier |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE676904A (en) |
CH (1) | CH429836A (en) |
DE (1) | DE1262352B (en) |
FI (1) | FI41834B (en) |
NL (1) | NL6602049A (en) |
-
1965
- 1965-03-31 DE DE1965K0055688 patent/DE1262352B/en active Pending
-
1966
- 1966-02-11 CH CH201066A patent/CH429836A/en unknown
- 1966-02-17 NL NL6602049A patent/NL6602049A/xx unknown
- 1966-02-23 BE BE676904D patent/BE676904A/xx unknown
- 1966-02-24 FI FI47366A patent/FI41834B/fi active
Also Published As
Publication number | Publication date |
---|---|
DE1262352B (en) | 1968-03-07 |
BE676904A (en) | 1966-07-18 |
FI41834B (en) | 1969-12-01 |
NL6602049A (en) | 1966-10-03 |
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