CH517424A - Tuning arrangement for a heterodyne television receiver - Google Patents
Tuning arrangement for a heterodyne television receiverInfo
- Publication number
- CH517424A CH517424A CH253671A CH253671A CH517424A CH 517424 A CH517424 A CH 517424A CH 253671 A CH253671 A CH 253671A CH 253671 A CH253671 A CH 253671A CH 517424 A CH517424 A CH 517424A
- Authority
- CH
- Switzerland
- Prior art keywords
- television receiver
- tuning arrangement
- heterodyne
- heterodyne television
- tuning
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/02—Details
- H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
- H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
- H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7006322A FR2080065A5 (en) | 1970-02-23 | 1970-02-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH517424A true CH517424A (en) | 1971-12-31 |
Family
ID=9051071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH253671A CH517424A (en) | 1970-02-23 | 1971-02-22 | Tuning arrangement for a heterodyne television receiver |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE763279A (en) |
CH (1) | CH517424A (en) |
DE (1) | DE2105151B2 (en) |
ES (1) | ES388476A1 (en) |
FR (1) | FR2080065A5 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2261395C2 (en) * | 1972-12-15 | 1976-01-08 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Circuit arrangement for a tuning device with capacitance diodes for at least two frequency ranges |
FR2371821A1 (en) * | 1976-10-25 | 1978-06-16 | Indesit | TUNING DEVICE FOR TELEVISION RECEIVER |
JPS58200606A (en) * | 1982-05-17 | 1983-11-22 | Sharp Corp | Oscillating circuit |
JPS5970026A (en) * | 1982-10-13 | 1984-04-20 | Hitachi Ltd | Oscillator circuit |
-
1970
- 1970-02-23 FR FR7006322A patent/FR2080065A5/fr not_active Expired
-
1971
- 1971-02-04 DE DE19712105151 patent/DE2105151B2/en not_active Withdrawn
- 1971-02-20 ES ES388476A patent/ES388476A1/en not_active Expired
- 1971-02-22 CH CH253671A patent/CH517424A/en not_active IP Right Cessation
- 1971-02-22 BE BE763279A patent/BE763279A/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE2105151B2 (en) | 1979-03-08 |
FR2080065A5 (en) | 1971-11-12 |
BE763279A (en) | 1971-08-23 |
ES388476A1 (en) | 1973-05-01 |
DE2105151A1 (en) | 1971-09-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |