GB1570172A - Channel selector for a television receiver - Google Patents
Channel selector for a television receiver Download PDFInfo
- Publication number
- GB1570172A GB1570172A GB1433378A GB1433378A GB1570172A GB 1570172 A GB1570172 A GB 1570172A GB 1433378 A GB1433378 A GB 1433378A GB 1433378 A GB1433378 A GB 1433378A GB 1570172 A GB1570172 A GB 1570172A
- Authority
- GB
- United Kingdom
- Prior art keywords
- group
- switch
- tuning
- channel
- line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0218—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of preset values
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2253877A IT1075338B (it) | 1977-04-15 | 1977-04-15 | Unita' di selezione di canali per apparecchi televisivi |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1570172A true GB1570172A (en) | 1980-06-25 |
Family
ID=11197576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1433378A Expired GB1570172A (en) | 1977-04-15 | 1978-04-12 | Channel selector for a television receiver |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE2814906A1 (de) |
ES (1) | ES468745A1 (de) |
FR (1) | FR2387550A1 (de) |
GB (1) | GB1570172A (de) |
IT (1) | IT1075338B (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS618661Y2 (de) * | 1979-08-11 | 1986-03-18 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3596183A (en) * | 1969-04-18 | 1971-07-27 | Motorola Inc | Multiband tuning control system with programmable electronic switching |
NL6906705A (de) * | 1969-05-02 | 1970-11-04 | ||
GB1519189A (en) * | 1974-10-31 | 1978-07-26 | Clarion Co Ltd | Tuning device for producing a tuning voltage |
-
1977
- 1977-04-15 IT IT2253877A patent/IT1075338B/it active
-
1978
- 1978-04-06 DE DE19782814906 patent/DE2814906A1/de not_active Ceased
- 1978-04-12 FR FR7810782A patent/FR2387550A1/fr active Granted
- 1978-04-12 GB GB1433378A patent/GB1570172A/en not_active Expired
- 1978-04-13 ES ES468745A patent/ES468745A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2814906A1 (de) | 1978-10-19 |
FR2387550B1 (de) | 1982-01-08 |
ES468745A1 (es) | 1979-01-01 |
FR2387550A1 (fr) | 1978-11-10 |
IT1075338B (it) | 1985-04-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |