US3601722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuning arrangement for storable station selection in television receivers
Assignee: International Standard Electric Corp
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Filing: 1969-04-04
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Granted: 1971-08-24
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Expires: 1989-04-04
Abstract
Abstract A tuning arrangement for television receivers including a support, a rotary selector having predetermined fixed positions into which said selector may be set mounted on said support, a first tuning button having a beveled gear at one end thereof mounted on said selector, a plurality of stationary potentiometers mounted concentrically with said selector, one being opposite each of said fixed positions and each having a gear associated therewith for engagement with, and adjustment by said button, said button being movable into and out of engagement with the potentiometers, and a second tuning button, having a screwdriver end, mounted on said support, a plurality of rotatable cams controlling the position of a range selector switch, said cams mounted concentrically with said selector, one being opposite each of said fixed positions and being associated with one of said stationary potentiometers, and each having slot means associated therewith for engagement with, and adjustment by said second button, said second button being movable into and out of engagement with said cams.
Inventors
- 👤 Helmut Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:30
CPC Classifications
H; H03; H03J; H03J1/00; H03J1/06; H03J1/066
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
213 words
A tuning arrangement for receivers comprising: a rotary selector including means for establishing predetermined fixed positions into which said selector can be set; support means for mounting said rotary selector; a first tuning element; first means for mounting said tuning element on said selector; a plurality of stationary adjustable tuning means, each adapted for tuning throughout a selected frequency range, mounted concentrically with respect to said selector and each located opposite one of said predetermined positions; said mounting means including means for movably mounting said tuning element so as to enable movement of said element into and out of engagement with the stationary tuning means at each of said positions; a second tuning element; second means for mounting said second tuning element on said support means; a plurality of rotatable tuning means, each associated with one of said stationary tuning means, for varying the frequency range throughout which said associated stationary means is adapted to be tuned, said rotatable means mounted concentrically with respect to said selector and each located opposite one of said predetermined positions; and said second mounting means including means for movably mounting said second tuning element so as to enable movement of said element into and out of engagement with a rotatable tuning means at each of said positions.
Claim 2
Dependent Claim
213 words
A tuning arrangement for receivers comprising: a rotary selector including means for establishing predetermined fixed positions into which said selector can be set; support means for mounting said rotary selector; a first tuning element; first means for mounting said tuning element on said selector; a plurality of stationary adjustable tuning means, each adapted for tuning throughout a selected frequency range, mounted concentrically with respect to said selector and each located opposite one of said predetermined positions; said mounting means including means for movably mounting said tuning element so as to enable movement of said element into and out of engagement with the stationary tuning means at each of said positions; a second tuning element; second means for mounting said second tuning element on said support means; a plurality of rotatable tuning means, each associated with one of said stationary tuning means, for varying the frequency range throughout which said associated stationary means is adapted to be tuned, said rotatable means mounted concentrically with respect to said selector and each located opposite one of said predetermined positions; and said second mounting means including means for movably mounting said second tuning element so as to enable movement of said element into and out of engagement with a rotatable tuning means at each of said positions.
Claim 3
Dependent Claim
45 words
A tuning arrangement for receivers, according to claim 1, wherein each of said rotatable tuning means includes a control cam having a slot formed therein and wherein said second tuning element includes a screwdriver means at one end thereof for engaging and controlling said cam.
Claim 4
Dependent Claim
47 words
A tuning arrangement for receivers, according to claim 2, further including a shaft connected to said rotary selector; and a rotatable disc coupled to said shaft; each of said cams being connected to said rotatable disc and adapted to rotate within said disc into predetermined fixed positions.
Claim 5
Dependent Claim
32 words
A tuning arrangement for receivers, according to claim 3, further including range-switching means; and a coupling member controlling the position of said range-switching means in accordance with the orientation of said cam.
Claim 6
Dependent Claim
31 words
A tuning arrangement for receivers, according to claim 4, wherein said range-switching means is a sliding switch and said coupling member is in contact with the slider of said sliding switch.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-23 | 1975-02-22 | 1975-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-23 | 1979-02-22 | 1979-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-23 | 1983-02-22 | 1983-08-24 | $7700.00 | Window Closed / Lapsed |