JPS55114024A - Electronic tuner channel selector - Google Patents
Electronic tuner channel selectorInfo
- Publication number
- JPS55114024A JPS55114024A JP2218679A JP2218679A JPS55114024A JP S55114024 A JPS55114024 A JP S55114024A JP 2218679 A JP2218679 A JP 2218679A JP 2218679 A JP2218679 A JP 2218679A JP S55114024 A JPS55114024 A JP S55114024A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- channel
- memory
- reference voltage
- 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.)
- Pending
Links
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Abstract
PURPOSE: To miniaturize and stabilize a unit by storing an electronic memory circuit with a tuning voltage equivalent to a station to be received selectively and then by providng only one variable voltage divider which divides a reference voltage to store each tuning voltage.
CONSTITUTION: Variable voltage divider 11 dividing a reference voltage from reference voltage source 9 is adjusted so as to receive desired channel (a). Main control circuit 16 stores the voltage-divided voltage of previously adjusted voltage divider 11 in the digital format at a memory address of memory circuit 12 corresponding to channel (a). Next, mode changeover switch 13 is switched to the other side and contact 7a is made in contact with a human body, etc., to transfer a signal to circuit 16. Circuit 16 operates circuit 12 and D/A converter circuit 15 to read the memory content of circuit 12 at the address corresponding to channel (a), and it is transmitted to circuit 15. The output of circuit 15 is applied to varactor diode 4 to receive desired channel (a). Channels (b)∼(n) are similarly channel-selected.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2218679A JPS55114024A (en) | 1979-02-26 | 1979-02-26 | Electronic tuner channel selector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2218679A JPS55114024A (en) | 1979-02-26 | 1979-02-26 | Electronic tuner channel selector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55114024A true JPS55114024A (en) | 1980-09-03 |
Family
ID=12075752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2218679A Pending JPS55114024A (en) | 1979-02-26 | 1979-02-26 | Electronic tuner channel selector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55114024A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS625717A (en) * | 1985-07-01 | 1987-01-12 | Mitsubishi Electric Corp | Control circuit of television receiver |
JP2021004330A (en) * | 2019-06-27 | 2021-01-14 | デンカ株式会社 | Lcp t-die extruded unstretched film, and flexible laminate using the same and production method thereof |
-
1979
- 1979-02-26 JP JP2218679A patent/JPS55114024A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS625717A (en) * | 1985-07-01 | 1987-01-12 | Mitsubishi Electric Corp | Control circuit of television receiver |
JP2021004330A (en) * | 2019-06-27 | 2021-01-14 | デンカ株式会社 | Lcp t-die extruded unstretched film, and flexible laminate using the same and production method thereof |
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