Patent US4675132A successfully refreshed from Google Patents.
Patent US3125729A successfully refreshed from Google Patents.
US3125729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Section
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
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Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:36
CPC Classifications
H; H03; H03B; H03B21/00; H03B21/01; H03B21/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
A FREQUENCY SYNTHESIZER FOR PROVIDING OUTPUT SIGNALS AT SELECTED FREQUENCIES WITHIN A SELECTED FREQUENCY BAND, AS DESIRED, COMPRISING FIRST SIGNAL GENERATING MEANS HAVING AN OUTPUT AT A SELECTED FREQUENCY F1; SECOND SIGNAL GENERATING MEANS HAVING A MULTIFREQUENCY OUTPUT AT A SELECTED FREQUENCY F2 AND AT SELECTED CONSTANT FREQUENCY INTERVALS $F WITHIN THE FREQUENCY RANGE F2 TO F2+N$F WHERE N IS AN INTEGER REPRESENTATIVE OF THE NUMBER OF FREQUENCY INTERVALS; THIRD SIGNAL GENERATING MEANS HAVING AN OUTPUT AT A SELECTED FREQUENCY F3; A FREQUENCY STANDARD SOURCE; MEANS CONNECTING SAID FREQUENCY STANDARD SOURCE TO EACH OF SAID FIRST, SECOND AND THIRD SIGNAL GENERATING MEANS SUCH THAT THE OUTPUTS THEREOF ARE STABILIZED IN PHASE WITH THE OUTPUT OF SAID FREQUENCY STANDARD SOURCE; A PLURALITY OF DIGIT CONTROL SECTIONS, EACH OF SAID DIGIT CONTROL SECTIONS IN SAID PLURALITY THEREOF COMPRISING AT LEAST A FIRST MIXER, A DIVIDER FOR DIVIDING AN INPUT SIGNAL BY A SELECTED BASE FACTOR X, WHERE X IS AN INTEGER AND A SECOND MIXER CONNECTED IN CASCADE; MEANS CONNECTING SAID PLURALITY OF DIGIT CONTROL SECTIONS IN CASCADE; MEANS
Claim 2
Dependent Claim
177 words
A FREQUENCY SYNTHESIZER FOR PROVIDING OUTPUT SIGNALS AT SELECTED FREQUENCIES WITHIN A SELECTED FREQUENCY BAND, AS DESIRED, COMPRISING FIRST SIGNAL GENERATING MEANS HAVING AN OUTPUT AT A SELECTED FREQUENCY F1; SECOND SIGNAL GENERATING MEANS HAVING A MULTIFREQUENCY OUTPUT AT A SELECTED FREQUENCY F2 AND AT SELECTED CONSTANT FREQUENCY INTERVALS $F WITHIN THE FREQUENCY RANGE F2 TO F2+N$F WHERE N IS AN INTEGER REPRESENTATIVE OF THE NUMBER OF FREQUENCY INTERVALS; THIRD SIGNAL GENERATING MEANS HAVING AN OUTPUT AT A SELECTED FREQUENCY F3; A FREQUENCY STANDARD SOURCE; MEANS CONNECTING SAID FREQUENCY STANDARD SOURCE TO EACH OF SAID FIRST, SECOND AND THIRD SIGNAL GENERATING MEANS SUCH THAT THE OUTPUTS THEREOF ARE STABILIZED IN PHASE WITH THE OUTPUT OF SAID FREQUENCY STANDARD SOURCE; A PLURALITY OF DIGIT CONTROL SECTIONS, EACH OF SAID DIGIT CONTROL SECTIONS IN SAID PLURALITY THEREOF COMPRISING AT LEAST A FIRST MIXER, A DIVIDER FOR DIVIDING AN INPUT SIGNAL BY A SELECTED BASE FACTOR X, WHERE X IS AN INTEGER AND A SECOND MIXER CONNECTED IN CASCADE; MEANS CONNECTING SAID PLURALITY OF DIGIT CONTROL SECTIONS IN CASCADE; MEANS
References Cited (Backward Citations)
US2829255A
Cited
US2845538A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |