US3149289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal generator
Assignee: Individual
•
Filing: 1957-01-16
•
Granted: 1964-09-15
•
Expires: 1977-01-16
Abstract
No abstract record available.
Inventors
- 👤 Bernard W Moss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:08
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/40; G01S7/4052; G01S7/4082; G01S7/4095
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A SIGNAL GENERATOR COMPRISING, A FIRST OSCILLATOR INCLUDING KEYING MEANS, A SECOND OSCILLATOR INCLUDING KEYING MEANS, THE KEYING MEANS FOR SAID FIRST AND SAID SECOND OSCILLATORS BEING ARRANGED TO RECEIVE A COMMON KEYING SIGNAL, SAID FIRST AND SAID SECOND OSCILLATORS COMMENCING OPERATION IN OPPOSITE PHASE UPON RECEPTION OF A KEYING SIGNAL, MEANS FOR ADDING THE OUTPUTS OF SAID FIRST AND SAID SECOND OSCILLATORS TO PROVIDE A SUM VOLTAGE, A THIRD OSCILLATOR INCLUDING KEYING MEANS, A FOURTH OSCILLATOR INCLUDING KEYING MEANS, A FIRST BALANCED MODULATOR RECEIVING THE OUTPUTS OF SAID THIRD AND SAID FOURTH OSCILLATORS AND PROVIDING A COMPLEX OUTPUT VOLTAGE, MEANS FOR ELIMINATING UNDESIRED COMPONENTS FROM THE OUTPUT OF SAID FIRST BALANCED MODULATOR, AND FOR PASSING A DESIRED COMPONENT, A SECOND BALANCED MODULATOR RECEIVING SAID SUM VOLTAGE AND THE DESIRED COMPONENT OF SAID FIRST BALANCED MODULATOR OUTPUT AND PROVIDING A SECOND COMPLEX VOLTAGE OUTPUT, AND MEANS FOR ELIMINATING UNDESIRED COMPONENTS FROM SAID SECOND COMPLEX VOLTAGE AND FOR PASSING THE DESIRED COMPONENT CONSTITUTING THE OUTPUT OF THE SIGNAL GENERATOR.
Claim 2
Dependent Claim
168 words
A SIGNAL GENERATOR COMPRISING, A FIRST OSCILLATOR INCLUDING KEYING MEANS, A SECOND OSCILLATOR INCLUDING KEYING MEANS, THE KEYING MEANS FOR SAID FIRST AND SAID SECOND OSCILLATORS BEING ARRANGED TO RECEIVE A COMMON KEYING SIGNAL, SAID FIRST AND SAID SECOND OSCILLATORS COMMENCING OPERATION IN OPPOSITE PHASE UPON RECEPTION OF A KEYING SIGNAL, MEANS FOR ADDING THE OUTPUTS OF SAID FIRST AND SAID SECOND OSCILLATORS TO PROVIDE A SUM VOLTAGE, A THIRD OSCILLATOR INCLUDING KEYING MEANS, A FOURTH OSCILLATOR INCLUDING KEYING MEANS, A FIRST BALANCED MODULATOR RECEIVING THE OUTPUTS OF SAID THIRD AND SAID FOURTH OSCILLATORS AND PROVIDING A COMPLEX OUTPUT VOLTAGE, MEANS FOR ELIMINATING UNDESIRED COMPONENTS FROM THE OUTPUT OF SAID FIRST BALANCED MODULATOR, AND FOR PASSING A DESIRED COMPONENT, A SECOND BALANCED MODULATOR RECEIVING SAID SUM VOLTAGE AND THE DESIRED COMPONENT OF SAID FIRST BALANCED MODULATOR OUTPUT AND PROVIDING A SECOND COMPLEX VOLTAGE OUTPUT, AND MEANS FOR ELIMINATING UNDESIRED COMPONENTS FROM SAID SECOND COMPLEX VOLTAGE AND FOR PASSING THE DESIRED COMPONENT CONSTITUTING THE OUTPUT OF THE SIGNAL GENERATOR.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |