Patent US876852A successfully refreshed from Google Patents.
Patent US3202991A successfully refreshed from Google Patents.
US3202991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic scanning of large arrays
Assignee: General Electric Co
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Filing: 1959-10-30
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Granted: 1965-08-24
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Expires: 1979-10-30
Abstract
No abstract record available.
Inventors
- 👤 Paul W Howells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:43
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/26; H01Q3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A SYSTEM FOR SELECTING A DESIRED SECTOR OF SPACE AND FOR SCANNING SAID DESIRED SECTOR WITH A NARROW WAVE DIRECTIVITY PATTERN COMPRISING A PLURALITY OF EQUALLY SPACED WAVE RECEPTORS EACH EXHIBITING A RELATIVELY BROAD WAVE DIRECTIVITY PATTERN, SAID RECEPTORS BEING GROUPED INTO A LESSER PLURALITY OF IDENTICAL BLOCKS OF WAVE RECEPTORS WHEREIN EACH BLOCK EXHIBITS A RELATIVELY NARROW WAVE DIRECTIVITY PATTERN, MEANS FOR DIRECTING SAID RELATIVELY NARROW PATTERN TO SAID DESIRED SECTOR COMPRISING MEANS FOR SHIFTING THE PHASES OF THE WAVES RECEIVED BY EACH RECEPTOR IN ACCORDANCE WITH THE RELATIVE PHYSICAL SPACING OF THE RECEPTORS AND THE DIRECTION OF SAID DESIRED SECTOR TO PRODUCE RESPECTIVE PHASE SHIFTED WAVES, MEANS FOR VECTORIALLY ADDING SAID PHASE SHIFTED WAVES OF EACH BLOCK TO PRODUCE
Claim 2
Independent Claim
121 words
A SYSTEM FOR SELECTING A DESIRED SECTOR OF SPACE AND FOR SCANNING SAID DESIRED SECTOR WITH A NARROW WAVE DIRECTIVITY PATTERN COMPRISING A PLURALITY OF EQUALLY SPACED WAVE RECEPTORS EACH EXHIBITING A RELATIVELY BROAD WAVE DIRECTIVITY PATTERN, SAID RECEPTORS BEING GROUPED INTO A LESSER PLURALITY OF IDENTICAL BLOCKS OF WAVE RECEPTORS WHEREIN EACH BLOCK EXHIBITS A RELATIVELY NARROW WAVE DIRECTIVITY PATTERN, MEANS FOR DIRECTING SAID RELATIVELY NARROW PATTERN TO SAID DESIRED SECTOR COMPRISING MEANS FOR SHIFTING THE PHASES OF THE WAVES RECEIVED BY EACH RECEPTOR IN ACCORDANCE WITH THE RELATIVE PHYSICAL SPACING OF THE RECEPTORS AND THE DIRECTION OF SAID DESIRED SECTOR TO PRODUCE RESPECTIVE PHASE SHIFTED WAVES, MEANS FOR VECTORIALLY ADDING SAID PHASE SHIFTED WAVES OF EACH BLOCK TO PRODUCE
References Cited (Backward Citations)
US2245660A
Cited
US2403728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |