Patent US3251012A successfully refreshed from Google Patents.
US3251012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuning apparatus with detachable f.m. section
Assignee: Motorola Solutions Inc
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Filing: 1964-03-23
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Granted: 1966-05-10
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Expires: 1984-03-23
Abstract
No abstract record available.
Inventors
- 👤 Norbert J Kazyk
- 👤 Frank R Mikuls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:57
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/02; H03J5/04; H03J5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
215 words
A TUNER FOR A RADIO RECEIVER ADAPTED FOR A.M. AND F.M. RECEPTION INCLUDING IN COMBINATION, A FIRST FRAME, A FIRST HORIZONTALLY DISPOSED ROW OF COILS FOR A.M. TUNING SECURED TO SAID FIRST FRAME, A TUNING CARRIAGE SLIDABLY MOUNTED ON SAID FIRST FRAME, ACTUATING MEANS FOR LINEARLY DISPLACING SAID TUNING CARRIAGE, A PLURALITY OF FIRST CORE MEMBERS CONNECTED TO SAID TUNING CARRIAGE TO BE DISPLACED THEREBY, SAID FIRST CORE MEMBERS BEING DISPOSED IN SAID COILS IN SAID FIRST ROW FOR TUNING THE SAME ACCORDING TO THE POSITION OF SAID TUNING CARRIAGE, A SECOND FRAME REMOVABLY SECURED TO SAID FIRST FRAME REARWARDLY AND UPWARDLY THEREOF, A PRINTED CIRCUIT BOARD SECURED TO SAID SECOND FRAME, AT LEAST ONE ADJUSTABLE CAPACITOR AND A SECOND HORIZONTALLY DISPOSED ROW OF COILS FOR F.M. TUNING SECURED TO SAID PRINTED CIRCUIT BOARD, SAID COILS OF SAID SECOND ROW BEING PARALLEL TO EACH OTHER AND PARALLEL TO SAID COILS OF SAID FIRST ROW, AND A PLURALITY OF SECOND CORE MEMBERS CONNECTED TO SAID TUNING CARRIAGE TO BE DISPLACED THEREBY, SAID SECOND CORE MEMBERS BEING DISPOSED IN SAID COILS IN SAID SECOND ROW FOR TUNING THE SAME ACCORDING TO THE POSITION OF SAID TUNING CARRIAGE, WHEREBY DISPLACEMENT OF SAID TUNING CARRIAGE OF SAID ACTUATING MEANS WILL TUNE THE RECEIVER FOR BOTH A.M. AND F.M. RECEPTION.
Claim 2
Dependent Claim
215 words
A TUNER FOR A RADIO RECEIVER ADAPTED FOR A.M. AND F.M. RECEPTION INCLUDING IN COMBINATION, A FIRST FRAME, A FIRST HORIZONTALLY DISPOSED ROW OF COILS FOR A.M. TUNING SECURED TO SAID FIRST FRAME, A TUNING CARRIAGE SLIDABLY MOUNTED ON SAID FIRST FRAME, ACTUATING MEANS FOR LINEARLY DISPLACING SAID TUNING CARRIAGE, A PLURALITY OF FIRST CORE MEMBERS CONNECTED TO SAID TUNING CARRIAGE TO BE DISPLACED THEREBY, SAID FIRST CORE MEMBERS BEING DISPOSED IN SAID COILS IN SAID FIRST ROW FOR TUNING THE SAME ACCORDING TO THE POSITION OF SAID TUNING CARRIAGE, A SECOND FRAME REMOVABLY SECURED TO SAID FIRST FRAME REARWARDLY AND UPWARDLY THEREOF, A PRINTED CIRCUIT BOARD SECURED TO SAID SECOND FRAME, AT LEAST ONE ADJUSTABLE CAPACITOR AND A SECOND HORIZONTALLY DISPOSED ROW OF COILS FOR F.M. TUNING SECURED TO SAID PRINTED CIRCUIT BOARD, SAID COILS OF SAID SECOND ROW BEING PARALLEL TO EACH OTHER AND PARALLEL TO SAID COILS OF SAID FIRST ROW, AND A PLURALITY OF SECOND CORE MEMBERS CONNECTED TO SAID TUNING CARRIAGE TO BE DISPLACED THEREBY, SAID SECOND CORE MEMBERS BEING DISPOSED IN SAID COILS IN SAID SECOND ROW FOR TUNING THE SAME ACCORDING TO THE POSITION OF SAID TUNING CARRIAGE, WHEREBY DISPLACEMENT OF SAID TUNING CARRIAGE OF SAID ACTUATING MEANS WILL TUNE THE RECEIVER FOR BOTH A.M. AND F.M. RECEPTION.
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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |