US3368036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demultiplexing and detecting system for predicted wave phasepulsed data transmissionsystem
Assignee: Collins Radio Co
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Filing: 1965-05-24
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Granted: 1968-02-06
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Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Robert C Carter
- 👤 Paul M Cunningham
- 👤 Robert D Tollefson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:39
CPC Classifications
H; H04; H04L; H04L5/00; H04L5/02; H04L5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A SYSTEM FOR DETECTING A PHASE-PULSE MODULATED SIGNAL, SAID SIGNAL COMPRISING SYNCHRONOUS INTERVALS EACH INTERVAL OF WHICH IS PHASE SHIFTED FROM THE PRECEDING INTERVAL BY A PREDETERMINED PHASE RELATIONSHIP; COMPRISING FIRST MULTIPLYING MEANS RECEIVING SAID INPUT SIGNAL AND A FIRST REFERENCE SIGNAL DEFINED AS SIN (W1T+OR) AND DEVELOPING THE PRODUCT THEREOF, SECOND MULTIPLYING MEANS RECEIVING SAID INPUT SIGNAL AND A SECOND REFERENCE SIGNAL DEFINED AS COS (W1T+OR) AND DEVELOPNG THE PRODUCT THEREOF, MEANS ALTERNATIVELY GATING THE OUTPUTS FROM SAID FIRST AND SECOND MULTIPLYING MEANS AT A RATE DEFINED BY SAID INPUT SIGNAL INTERVALS TO FIRST AND SECOND DETECTION CHANNELS, EACH OF SAID DETECTION CHANNELS COMPRISING FIRST AND SECOND INTEGRATING MEANS RECEIVING RESPECTIVELY THE AFOREDEFIEND GATED PRODUCTS AND DEVELOPING THEREFROM OUTPUTS PROPORTIONAL RESPECTIVELY TO SINE (OS-OR) AND COS (OS-OR) WHERE OS IS THE PHASE ANGLE OF SAID INPUT SIGNAL INTERVAL; MEANS FOR GATING SIMULTANEOUSLY THE OUTPUTS FROM THE INTEGRATORS IN SAID FIRST AND SECOND CHANNELS TO A FURTHER PRODUCT DETECTING MEANS, SAID FURTHER PRODUCT DE-
Claim 2
Independent Claim
164 words
A SYSTEM FOR DETECTING A PHASE-PULSE MODULATED SIGNAL, SAID SIGNAL COMPRISING SYNCHRONOUS INTERVALS EACH INTERVAL OF WHICH IS PHASE SHIFTED FROM THE PRECEDING INTERVAL BY A PREDETERMINED PHASE RELATIONSHIP; COMPRISING FIRST MULTIPLYING MEANS RECEIVING SAID INPUT SIGNAL AND A FIRST REFERENCE SIGNAL DEFINED AS SIN (W1T+OR) AND DEVELOPING THE PRODUCT THEREOF, SECOND MULTIPLYING MEANS RECEIVING SAID INPUT SIGNAL AND A SECOND REFERENCE SIGNAL DEFINED AS COS (W1T+OR) AND DEVELOPNG THE PRODUCT THEREOF, MEANS ALTERNATIVELY GATING THE OUTPUTS FROM SAID FIRST AND SECOND MULTIPLYING MEANS AT A RATE DEFINED BY SAID INPUT SIGNAL INTERVALS TO FIRST AND SECOND DETECTION CHANNELS, EACH OF SAID DETECTION CHANNELS COMPRISING FIRST AND SECOND INTEGRATING MEANS RECEIVING RESPECTIVELY THE AFOREDEFIEND GATED PRODUCTS AND DEVELOPING THEREFROM OUTPUTS PROPORTIONAL RESPECTIVELY TO SINE (OS-OR) AND COS (OS-OR) WHERE OS IS THE PHASE ANGLE OF SAID INPUT SIGNAL INTERVAL; MEANS FOR GATING SIMULTANEOUSLY THE OUTPUTS FROM THE INTEGRATORS IN SAID FIRST AND SECOND CHANNELS TO A FURTHER PRODUCT DETECTING MEANS, SAID FURTHER PRODUCT DE-
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) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |