Patent US3201700A successfully refreshed from Google Patents.
US3201700A
Expired / Lapsed
US
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Phase shifting system
Assignee: TDK Micronas GmbH
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Filing: 1961-05-10
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Granted: 1965-08-17
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Expires: 1981-05-10
Abstract
No abstract record available.
Inventors
- 👤 Claude J Pasquier
- 👤 John C Graebner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:06
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02; G01S1/08; G01S1/20; G01S1/24; G01S1/245; G04; G04F; G04F10/00; G04F10/04; H; H03; H03B; H03B21/00; H03K; H03K5/00; H03K5/13; H03K5/131; H03L; H03L7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
254 words
A SYSTEM TO SHIFT THE PHASE OF A SIGNAL IN DISCRETE INCREMENTS COMPRISING A RELAXATION OSCILLATOR, MEANS TO CONTROL THE FREQUENCY OUTPUT OF SAID RELAXATION OSCILLATOR, A FIRST BISTABLE MULTIVIBRATOR, MEANS COUPLING THE OUTPUT OF SAID RELAXATION OSCILLATOR TO SAID FIRST BISTABLE MULTIWAVES 180 DEGREES OUT OF PHASE WITH EACH OTHER, SECOND WAVES 180 DEGRERES OUT OF PHASE WITH EACH OTHER, SECOND AND THIRD BISTABLE MULTIVIBRATORS, MEANS CONNECTING ONE OUTPUT OF SAID FIRST MULTIVIBRATOR TO SAID SECOND MULTIVIBRATOR, MEANS CONNECTING THE SECOND OUTPUT OF SAID FIRST MULTIVIBRATOR TO SAID THIRD MULTIVIBRATOR, THE OUTPUTS OF SAID SECOND AND THIRD MULTIVIBRATORS BEING SQUARE WAVES WHEREIN THE SQUARE WAVE OUTPUT OF SAID SECOND MULTIVIBRATOR IS IN QUADRATURE RELATION TO THE SQUARE WAVE OUTPUT OF SAID THIRD MULTIVIBRATOR, MEANS TO CONTROL THE QUADRATURE RELATION OF THE OUTPUTS FROM SAID SECOND AND THIRD MULTIVIBRATORS, A SOURCE OF SINE WAVE SIGNALS, FIRST AND SECOND MODULATORS, MEANS COUPLING THE OUTPUT OF SAID SECOND MULTIVIBRATOR AND SAID SINE WAVE SIGNALS TO SAID FIRST MODULATOR, MEANS COUPLING THE OUTPUT OF SAID THIRD MULVIBRATOR AND SAID SINE WAVE SIGNALS PHASE SHIFTED 90 DEGREES TO SAID SECOND MODULATOR, AND MEANS TO COMBINE THE OUTPUTS OF SAID FIRST AND SECOND MODULATORS, SAID COMBINED OUTPUT BEING THE ORIGINAL SINE WAVE SIGNAL PHASE SHIFTED TO DISCRETE STESP OF 90 DEGREES, THE RATE OF SAID PHASE SHIFT BEING PROPORTIONAL TO THE FREQUENCY OF THE OUTPUT OF SAID RELAXATION OSCILLATOR AND IN A DIRECTION DEPENDENT UPON SAID QUADRATURE RELATION OF THE SQUARE WAVE OUTPUTS OF SAID SECOND AND THIRD MULTIVIBRATORS.
Claim 2
Independent Claim
254 words
A SYSTEM TO SHIFT THE PHASE OF A SIGNAL IN DISCRETE INCREMENTS COMPRISING A RELAXATION OSCILLATOR, MEANS TO CONTROL THE FREQUENCY OUTPUT OF SAID RELAXATION OSCILLATOR, A FIRST BISTABLE MULTIVIBRATOR, MEANS COUPLING THE OUTPUT OF SAID RELAXATION OSCILLATOR TO SAID FIRST BISTABLE MULTIWAVES 180 DEGREES OUT OF PHASE WITH EACH OTHER, SECOND WAVES 180 DEGRERES OUT OF PHASE WITH EACH OTHER, SECOND AND THIRD BISTABLE MULTIVIBRATORS, MEANS CONNECTING ONE OUTPUT OF SAID FIRST MULTIVIBRATOR TO SAID SECOND MULTIVIBRATOR, MEANS CONNECTING THE SECOND OUTPUT OF SAID FIRST MULTIVIBRATOR TO SAID THIRD MULTIVIBRATOR, THE OUTPUTS OF SAID SECOND AND THIRD MULTIVIBRATORS BEING SQUARE WAVES WHEREIN THE SQUARE WAVE OUTPUT OF SAID SECOND MULTIVIBRATOR IS IN QUADRATURE RELATION TO THE SQUARE WAVE OUTPUT OF SAID THIRD MULTIVIBRATOR, MEANS TO CONTROL THE QUADRATURE RELATION OF THE OUTPUTS FROM SAID SECOND AND THIRD MULTIVIBRATORS, A SOURCE OF SINE WAVE SIGNALS, FIRST AND SECOND MODULATORS, MEANS COUPLING THE OUTPUT OF SAID SECOND MULTIVIBRATOR AND SAID SINE WAVE SIGNALS TO SAID FIRST MODULATOR, MEANS COUPLING THE OUTPUT OF SAID THIRD MULVIBRATOR AND SAID SINE WAVE SIGNALS PHASE SHIFTED 90 DEGREES TO SAID SECOND MODULATOR, AND MEANS TO COMBINE THE OUTPUTS OF SAID FIRST AND SECOND MODULATORS, SAID COMBINED OUTPUT BEING THE ORIGINAL SINE WAVE SIGNAL PHASE SHIFTED TO DISCRETE STESP OF 90 DEGREES, THE RATE OF SAID PHASE SHIFT BEING PROPORTIONAL TO THE FREQUENCY OF THE OUTPUT OF SAID RELAXATION OSCILLATOR AND IN A DIRECTION DEPENDENT UPON SAID QUADRATURE RELATION OF THE SQUARE WAVE OUTPUTS OF SAID SECOND AND THIRD MULTIVIBRATORS.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |