US3130265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal receiving system
Assignee: Digitronics Corp
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Filing: 1960-03-23
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Granted: 1964-04-21
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Expires: 1980-03-23
Abstract
No abstract record available.
Inventors
- 👤 Leonard Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:10
CPC Classifications
H; H04; H04H; H04H60/00; H04H60/29; H04H60/31; H04H60/35; H04H60/38; H04H60/41; H04H60/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
APPARATUS FOR INDICATING WHICH OF A PLURALITY OF GROUPS OF INFORMATION SIGNALS IS BEING RECEIVED BY A RECEIVING MEANS, EACH OF SAID GROUPS OF INFORMATION SIGNALS INCLUDING REFERENCE SIGNALS, THE PHASE OF THE REFERENCE SIGNALS OF EACH OF SAID GROUPS BEING DIFFERENT FROM THE PHASE OF THE REFERENCE SIGNALS OF THE OTHERS OF SAID GROUPS, SAID APPARATUS COMPRISING MONITORING MEANS FOR MONITORING SAID RECEIVING MEANS, INTERROGATING SIGNAL MEANS FOR SEQUENTIALLY TRANSMITTING TO SAID MONITORING MEANS INTERROGATING SIGNALS THAT HAVE PREDETERMINED PHASE RELATIONSHIPS WITH THE REFERENCE SIGNALS OF SAID GROUPS OF INFORMATION SIGNALS, PHASE SENSING MEANS INCLUDED IN SAID MONITORING MEANS FOR SENSING FOR A PREDETERMINED PHASE RELATIONSHIP BETWEEN SAID INTERROGATING SIGNALS AND SAID REFERENCE SIGNALS AND FOR TRANSMITTING AN INDICATING SIGNAL WHEN THE INTERROGATING SIGNAL RECEIVED BY SAID MONITORING MEANS HAS A PREDETERMINED PHASE RELATIONSHIP WITH THE REFERENCE SIGNAL RECEIVED BY SAID RECEIVING MEANS, AND MEANS FOR RECEIVING SAID INDICATING SIGNALS FOR REGISTERING WHICH OF SAID PLURALITY OF GROUPS OF INFORMATION SIGNALS IS BEING RECEIVED BY SAID RECEIVING MEANS.
Claim 2
Dependent Claim
169 words
APPARATUS FOR INDICATING WHICH OF A PLURALITY OF GROUPS OF INFORMATION SIGNALS IS BEING RECEIVED BY A RECEIVING MEANS, EACH OF SAID GROUPS OF INFORMATION SIGNALS INCLUDING REFERENCE SIGNALS, THE PHASE OF THE REFERENCE SIGNALS OF EACH OF SAID GROUPS BEING DIFFERENT FROM THE PHASE OF THE REFERENCE SIGNALS OF THE OTHERS OF SAID GROUPS, SAID APPARATUS COMPRISING MONITORING MEANS FOR MONITORING SAID RECEIVING MEANS, INTERROGATING SIGNAL MEANS FOR SEQUENTIALLY TRANSMITTING TO SAID MONITORING MEANS INTERROGATING SIGNALS THAT HAVE PREDETERMINED PHASE RELATIONSHIPS WITH THE REFERENCE SIGNALS OF SAID GROUPS OF INFORMATION SIGNALS, PHASE SENSING MEANS INCLUDED IN SAID MONITORING MEANS FOR SENSING FOR A PREDETERMINED PHASE RELATIONSHIP BETWEEN SAID INTERROGATING SIGNALS AND SAID REFERENCE SIGNALS AND FOR TRANSMITTING AN INDICATING SIGNAL WHEN THE INTERROGATING SIGNAL RECEIVED BY SAID MONITORING MEANS HAS A PREDETERMINED PHASE RELATIONSHIP WITH THE REFERENCE SIGNAL RECEIVED BY SAID RECEIVING MEANS, AND MEANS FOR RECEIVING SAID INDICATING SIGNALS FOR REGISTERING WHICH OF SAID PLURALITY OF GROUPS OF INFORMATION SIGNALS IS BEING RECEIVED BY SAID RECEIVING MEANS.
References Cited (Backward Citations)
US2188165A
Cited
US2757226A
Cited
US2854506A
Cited
US2903508A
Cited
US2996580A
Cited
US3078337A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |