SE437318B - Kopplingsanordning for ett fjerrkommunikationssystem - Google Patents
Kopplingsanordning for ett fjerrkommunikationssystemInfo
- Publication number
- SE437318B SE437318B SE7812929A SE7812929A SE437318B SE 437318 B SE437318 B SE 437318B SE 7812929 A SE7812929 A SE 7812929A SE 7812929 A SE7812929 A SE 7812929A SE 437318 B SE437318 B SE 437318B
- Authority
- SE
- Sweden
- Prior art keywords
- frequency
- speech
- pilot signal
- receiver
- communication system
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/005—Control by a pilot signal
Landscapes
- Noise Elimination (AREA)
- Transceivers (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2758714A DE2758714C2 (de) | 1977-12-29 | 1977-12-29 | Fernmeldesystem |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7812929L SE7812929L (sv) | 1979-06-30 |
| SE437318B true SE437318B (sv) | 1985-02-18 |
Family
ID=6027640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7812929A SE437318B (sv) | 1977-12-29 | 1978-12-15 | Kopplingsanordning for ett fjerrkommunikationssystem |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT377137B (de) |
| CH (1) | CH639513A5 (de) |
| DE (1) | DE2758714C2 (de) |
| GB (1) | GB2011762B (de) |
| SE (1) | SE437318B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116055964B (zh) * | 2023-01-28 | 2023-08-22 | 荣耀终端有限公司 | 扬声器电路及终端设备 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1006025B (de) * | 1955-02-09 | 1957-04-11 | Philips Patentverwaltung | Verfahren zur Nachrichtenuebermittlung zwischen einer an ein Fernsprechnetz anschaltbaren Hauptstation und einer insbesondere ortsbeweglichen Unterstation |
| US3027455A (en) * | 1959-07-27 | 1962-03-27 | Motorola Inc | Electronic circuit |
| BE638382A (de) * | 1962-10-16 | |||
| DE1566989A1 (de) * | 1967-04-21 | 1970-02-12 | Bbc Brown Boveri & Cie | Anordnung zur tongesteuerten Sende-Empfangs-Umschaltung |
| DE1931263B2 (de) * | 1969-06-20 | 1971-09-30 | Stubbe-electronic, Paul K. Stubbe, 6000 Frankfurt | Selektivruf verfahren fuer elektrische nachrichtengeraete und vorrichtung zu seiner durchfuehrung |
| NL7214392A (de) * | 1972-10-25 | 1974-04-29 | ||
| GB1573602A (en) * | 1975-10-06 | 1980-08-28 | Bang & Olufsen As | Methods and means for producing and reproducing sound signals |
-
1977
- 1977-12-29 DE DE2758714A patent/DE2758714C2/de not_active Expired
-
1978
- 1978-09-08 AT AT0651678A patent/AT377137B/de not_active IP Right Cessation
- 1978-10-20 GB GB7841444A patent/GB2011762B/en not_active Expired
- 1978-11-01 CH CH1126578A patent/CH639513A5/de not_active IP Right Cessation
- 1978-12-15 SE SE7812929A patent/SE437318B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2758714C2 (de) | 1985-10-10 |
| ATA651678A (de) | 1984-06-15 |
| CH639513A5 (de) | 1983-11-15 |
| GB2011762A (en) | 1979-07-11 |
| GB2011762B (en) | 1982-04-21 |
| SE7812929L (sv) | 1979-06-30 |
| DE2758714A1 (de) | 1979-07-05 |
| AT377137B (de) | 1985-02-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
Ref document number: 7812929-3 Format of ref document f/p: F |
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| NUG | Patent has lapsed |
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