JPS55150611A - Push-button type tuner - Google Patents
Push-button type tunerInfo
- Publication number
- JPS55150611A JPS55150611A JP5861079A JP5861079A JPS55150611A JP S55150611 A JPS55150611 A JP S55150611A JP 5861079 A JP5861079 A JP 5861079A JP 5861079 A JP5861079 A JP 5861079A JP S55150611 A JPS55150611 A JP S55150611A
- Authority
- JP
- Japan
- Prior art keywords
- movable
- movable plates
- channel selection
- parts
- inclined parts
- 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 increase the movable quantity of a movable material to enhance the channel selection precision, by using the channel selection material having a pair of striking parts and a movable material dependent upon four movable plates having inclined parts. CONSTITUTION:When striking part 16 out of a pair of striking parts agrees the first with the intersection of the V-shaped part, which is formed by inclined parts 21 and 22 which the first and the second movable plates 19 and 20 have, due to advance of channel selection material A, movable forces in different directions act on movable plates 19 and 20 by the depression force acting on the intersection, and movable plates 19 and 20 are moved oppositely by rotation lever 24 in the direction where the V-shaped part is deeper. Therefore, the third and the fourth movable plates 19' and 20' linked pivotally to lever 24 are moved in opposite directions; however, since the inclination direction of inclined parts 21 and 22' of movable plates 19 and 20' fixed pivotally to pivot 25 and the inclination direction of inclined parts 22 and 21' of movable plates 20 and 19' fixed pivotally to pivot 25' are opposite to each other, movable plates 19' and 20' are moved oppositely in the direction where the V-shaped part is shallower. As the result, the movable quantity of movable material C is increased, so that the channel selection precision can be enhanced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5861079A JPS55150611A (en) | 1979-05-15 | 1979-05-15 | Push-button type tuner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5861079A JPS55150611A (en) | 1979-05-15 | 1979-05-15 | Push-button type tuner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS55150611A true JPS55150611A (en) | 1980-11-22 |
Family
ID=13089293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5861079A Pending JPS55150611A (en) | 1979-05-15 | 1979-05-15 | Push-button type tuner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55150611A (en) |
-
1979
- 1979-05-15 JP JP5861079A patent/JPS55150611A/en active Pending
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