JPS53108218A - Channel selection device - Google Patents
Channel selection deviceInfo
- Publication number
- JPS53108218A JPS53108218A JP2295277A JP2295277A JPS53108218A JP S53108218 A JPS53108218 A JP S53108218A JP 2295277 A JP2295277 A JP 2295277A JP 2295277 A JP2295277 A JP 2295277A JP S53108218 A JPS53108218 A JP S53108218A
- Authority
- JP
- Japan
- Prior art keywords
- channel selection
- selection device
- memorized
- piling
- eliminating
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/08—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant using varactors, i.e. voltage variable reactive diodes
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Abstract
PURPOSE:To facilitate an easy integration by eliminating the switch of the piling sensitivity in an automatic fine tuning circuit for the channel selection device used in the TV receiver and then securing a constitution in which no limitation is given to the voltage range which is memorized in the voltage memory element.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2295277A JPS53108218A (en) | 1977-03-03 | 1977-03-03 | Channel selection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2295277A JPS53108218A (en) | 1977-03-03 | 1977-03-03 | Channel selection device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53108218A true JPS53108218A (en) | 1978-09-20 |
JPS5741848B2 JPS5741848B2 (en) | 1982-09-06 |
Family
ID=12096941
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2295277A Granted JPS53108218A (en) | 1977-03-03 | 1977-03-03 | Channel selection device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53108218A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62144230U (en) * | 1986-03-01 | 1987-09-11 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4945409U (en) * | 1972-07-27 | 1974-04-20 | ||
JPS50107015U (en) * | 1974-02-08 | 1975-09-02 |
-
1977
- 1977-03-03 JP JP2295277A patent/JPS53108218A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4945409U (en) * | 1972-07-27 | 1974-04-20 | ||
JPS50107015U (en) * | 1974-02-08 | 1975-09-02 |
Also Published As
Publication number | Publication date |
---|---|
JPS5741848B2 (en) | 1982-09-06 |
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