US3553693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular electronics communication system
Assignee: Texas Instruments Inc
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Filing: 1967-12-14
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Granted: 1971-01-05
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Expires: 1987-12-14
Abstract
Abstract A COMMUNICATION SYSTEM INCLUDING APLURALITY OF RADIATING ELEMENTS FORMED INTO AN ANTENNA ARRAY FOR TRANSMITTING AND RECEIVING COMMUNICATION FREQUENCY SIGNALS AND EMPLOYING A CENTRAL PRECESSOR TO GENERATE THE TRANSMITTED SIGNALS AND PROCESS THE RECEIVED FREQUENCIES THROUGH A MANIFOLD ARRANGEMENT. EACH RADIATING ELEMENT CONNECTS TO THE MANIFOLD THROUGH A MODULE MADE UP OF INTEGRATED MICROWAVE CIRCUITRY INCLUDING A MIXER COUPLED TO A LOCAL OSCILLATOR AND A PHASE SHIFTER COUPLED TO A BEAM STEERING COMPUTER. BY MEANS OF THE BEAM STEERING COMPUTER THE ANTENNA CAN BE MADE TO SCAN VARIOUS PRESELECTED AREAS.
Inventors
- 👤 Robert M Lockerd
- 👤 Mark W Smith
- 👤 Ray E Cooper
- 👤 George E Goode
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:13
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/26; H01Q3/30; H01Q3/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |