JPS5767318A - Preventing mechanism for simultaneous depression of push-button tuner - Google Patents
Preventing mechanism for simultaneous depression of push-button tunerInfo
- Publication number
- JPS5767318A JPS5767318A JP14479980A JP14479980A JPS5767318A JP S5767318 A JPS5767318 A JP S5767318A JP 14479980 A JP14479980 A JP 14479980A JP 14479980 A JP14479980 A JP 14479980A JP S5767318 A JPS5767318 A JP S5767318A
- Authority
- JP
- Japan
- Prior art keywords
- channel selecting
- selecting member
- projecting part
- brought
- contact
- 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
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
- H03J5/04—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 operated by hand
- H03J5/12—Settings determined by a number of separately-actuated driving means which adjust the tuning element directly to desired settings
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Abstract
PURPOSE:To simplify the structure and improve the precision of channel selection, by providing a lateral moving plate energized in one direction. CONSTITUTION:For example, when a channel selecting member A1 is depressed, a projecting part A' is brought into contact with an inclined edge 241, and a lateral moving plate 20 is moved laterally against a spring 22 in the right direction. When the channel selecting member A1 is depressed futhermore, the projecting part A' goes into a groove 231, and a projecting part 7 of a storage member 2 is brought into contact with the apex of a cam part 8 to stop the advance of the channel selecting member A1, thus achieving channel selection. When for example, channel selecting member A2 is depressed under this state, the projecting part A' of the channel selecting member A2 is brought into contact with the inclined edge 241 and tries to advance while moving the lateral moving plate 20 laterally in the right direction; but the lateral moving plate 20 cannot move because the projecting part of the channel selecting member A1 is in the groove 231 still, and the channel selecting member A2 cannot advance. Consequently, the projecting part 7 of the storage member 2 of the channel selecting member A2 is not brought into contact with the cam part 8.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14479980A JPS5767318A (en) | 1980-10-15 | 1980-10-15 | Preventing mechanism for simultaneous depression of push-button tuner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14479980A JPS5767318A (en) | 1980-10-15 | 1980-10-15 | Preventing mechanism for simultaneous depression of push-button tuner |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5767318A true JPS5767318A (en) | 1982-04-23 |
Family
ID=15370723
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14479980A Pending JPS5767318A (en) | 1980-10-15 | 1980-10-15 | Preventing mechanism for simultaneous depression of push-button tuner |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5767318A (en) |
-
1980
- 1980-10-15 JP JP14479980A patent/JPS5767318A/en active Pending
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