US3289084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for generating phase coherent signals at remotely located stations
Assignee: Communication Systems Inc
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Filing: 1963-09-16
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Granted: 1966-11-29
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Expires: 1983-09-16
Abstract
No abstract record available.
Inventors
- 👤 Robert T Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:03
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/02; G01S3/14; G01S3/46; G01S1/00; G01S1/02; G01S1/08; G01S1/20; G01S1/30; G01S13/00; G01S13/88; G01S13/93; G01S13/933; G01S13/95; Y; Y02; Y02A; Y02A90/00; Y02A90/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A PHASE COHERENT OSCILLATOR SYSTEM FOR REMOTELY LOCATED OSCILLATORS COMPRISING: A MASTER OSCILLATOR FOR PRODUCING A SIGNAL HAVING A FREQUENCY FM; A REMOTE OSCILLATOR FOR PRODUCING A SIGNAL HAVING A FREQUENCY FR, WHERE FR IS A FUNCTION OF FM; A TWO-WAY TRANSMISSION LINK COUPLING THE SEPARATE OSCILLATOR LOCATIONS, SAID LINK IMPARTING SUBSTANTIALLY EQUAL PHASE SHIFTS TO SIGNALS TRANSMITTED IN EITHER DIRECTION; MEANS FOR TRANSMITTING THE REMOTE OSCILLATOR SIGNAL FR THROUGH SAID LINK TO THE LOCATION OF SAID MASTER OSCILLATOR; MEANS AT THE LOCATION OF SAID MASTER OSCILLATOR COUPLED TO SAID LINK AND TO SAID MASTER OSCILLATOR FOR COMBINING SIGNALS FR AND FM AND TRANSMITTING THE COMBINED SIGNAL THROUGH SAID LINK TO THE REMOTE OSCILLATOR LOCATION; AND MEANS AT THE LOCATION OF SAID REMOTE OSCILLATOR COUPLED TO SAID LINK AND TO SAID REMOTE OSCILLATOR FOR COMBINING FR AND THE TANSMITTED SIGNAL OF THE FIRST-MENTIONED COMBINING MEANS TO DERIVE FM.
Claim 2
Dependent Claim
148 words
A PHASE COHERENT OSCILLATOR SYSTEM FOR REMOTELY LOCATED OSCILLATORS COMPRISING: A MASTER OSCILLATOR FOR PRODUCING A SIGNAL HAVING A FREQUENCY FM; A REMOTE OSCILLATOR FOR PRODUCING A SIGNAL HAVING A FREQUENCY FR, WHERE FR IS A FUNCTION OF FM; A TWO-WAY TRANSMISSION LINK COUPLING THE SEPARATE OSCILLATOR LOCATIONS, SAID LINK IMPARTING SUBSTANTIALLY EQUAL PHASE SHIFTS TO SIGNALS TRANSMITTED IN EITHER DIRECTION; MEANS FOR TRANSMITTING THE REMOTE OSCILLATOR SIGNAL FR THROUGH SAID LINK TO THE LOCATION OF SAID MASTER OSCILLATOR; MEANS AT THE LOCATION OF SAID MASTER OSCILLATOR COUPLED TO SAID LINK AND TO SAID MASTER OSCILLATOR FOR COMBINING SIGNALS FR AND FM AND TRANSMITTING THE COMBINED SIGNAL THROUGH SAID LINK TO THE REMOTE OSCILLATOR LOCATION; AND MEANS AT THE LOCATION OF SAID REMOTE OSCILLATOR COUPLED TO SAID LINK AND TO SAID REMOTE OSCILLATOR FOR COMBINING FR AND THE TANSMITTED SIGNAL OF THE FIRST-MENTIONED COMBINING MEANS TO DERIVE FM.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |