US3136966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Channel tuner having two sets of rotatably mounted adjustable cams respectively controlling channel skipping and channel fine tuning
Assignee: Motorola Solutions Inc
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Filing: 1962-09-26
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Granted: 1964-06-09
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Expires: 1982-09-26
Abstract
No abstract record available.
Inventors
- 👤 Richard J Lindeman
- 👤 Anthony T Monaco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:25
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/24; H03J5/26; H03J5/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN A TELEVISION RECEIVER, A TUNING SYSTEM INCLUDING IN COMBINATION, MOTOR DRIVEN CHANNEL SELECTOR MEANS HAVING A ROTATABLE SELECTOR SHAFT, A WHEEL MOUNTED ON SAID SELECTOR SHAFT AND ROTATABLE THEREBY, SAID WHEEL HAVING A PLURALITY OF FINE TUNING CAMS MOUNTED THEREON IN A CIRCLE ABOUT SAID SELECTOR SHAFT, AND SAID WHEEL HAVING A PLURALITY OF INDEXING CAMS MOUNTED THEREON IN ANOTHER CIRCLE ABOUT SAID SELECTOR SHAFT, FIRST AND SECOND CAM FOLLOWERS SUPPORTED RESPECTIVELY IN THE ROTATIONAL PATHS OF SAID FINE TUNING CAMS AND SAID INDEXING CAMS AND MOVABLE THEREBY, FINE TUNING CIRCUIT MEANS CONTROLLED BY SAID FIRST CAM FOLLOWERS TO ESTABLISH DESIRED FINE TUNING SETTINGS ACCORDING TO THE POSITION OF SAID SELECTOR SHAFT, AND CONTROL CIRCUIT MEANS INCLUDING AN INDEX SWITCH ACTUATED BY SAID SECOND CAM FOLLOWER FOR CONTROLLING THE OPERATION OF SAID MOTOR DRIVEN CHANNEL SELECTOR MEANS.
Claim 2
Dependent Claim
138 words
IN A TELEVISION RECEIVER, A TUNING SYSTEM INCLUDING IN COMBINATION, MOTOR DRIVEN CHANNEL SELECTOR MEANS HAVING A ROTATABLE SELECTOR SHAFT, A WHEEL MOUNTED ON SAID SELECTOR SHAFT AND ROTATABLE THEREBY, SAID WHEEL HAVING A PLURALITY OF FINE TUNING CAMS MOUNTED THEREON IN A CIRCLE ABOUT SAID SELECTOR SHAFT, AND SAID WHEEL HAVING A PLURALITY OF INDEXING CAMS MOUNTED THEREON IN ANOTHER CIRCLE ABOUT SAID SELECTOR SHAFT, FIRST AND SECOND CAM FOLLOWERS SUPPORTED RESPECTIVELY IN THE ROTATIONAL PATHS OF SAID FINE TUNING CAMS AND SAID INDEXING CAMS AND MOVABLE THEREBY, FINE TUNING CIRCUIT MEANS CONTROLLED BY SAID FIRST CAM FOLLOWERS TO ESTABLISH DESIRED FINE TUNING SETTINGS ACCORDING TO THE POSITION OF SAID SELECTOR SHAFT, AND CONTROL CIRCUIT MEANS INCLUDING AN INDEX SWITCH ACTUATED BY SAID SECOND CAM FOLLOWER FOR CONTROLLING THE OPERATION OF SAID MOTOR DRIVEN CHANNEL SELECTOR MEANS.
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |