US3302174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal position detection circuit
Assignee: General Electric Co
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Filing: 1963-07-30
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Granted: 1967-01-31
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Expires: 1983-07-30
Abstract
No abstract record available.
Inventors
- 👤 Djinis Constantine
- 👤 Leland J Hanchett
- 👤 Charles L Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:34
CPC Classifications
G; G06; G06V; G06V30/00; G06V30/10; G06V30/22; G06V30/224; G06V30/2253
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A WAVESHAPE PRESENCE DETECTION CIRCUIT, COMPRISING: FIRST AND SECOND SPATIALLY SEPARATED WAVE SAMPLING MEANS; MEANS FOR PROPAGATING A WAVESHAPE SUCCESSIVELY PAST SAID FIRST AND SECOND SAMPLING MEANS; A PEAK DETECTOR CONNECTED TO SAID FIRST SAMPLING MEANS, SAID PEAK DETECTOR BEING RESPONSIVE TO THE PEAK OF AN ANTINODE OF SAID WAVESHAPE AT SAID FIRST SAMPLING MEANS TO PRODUCE AN OUTPUT SIGNAL; A THRESHOLD CIRCUIT CONNECTED TO SAID SECOND SAMPLING
Claim 2
Dependent Claim
68 words
A WAVESHAPE PRESENCE DETECTION CIRCUIT, COMPRISING: FIRST AND SECOND SPATIALLY SEPARATED WAVE SAMPLING MEANS; MEANS FOR PROPAGATING A WAVESHAPE SUCCESSIVELY PAST SAID FIRST AND SECOND SAMPLING MEANS; A PEAK DETECTOR CONNECTED TO SAID FIRST SAMPLING MEANS, SAID PEAK DETECTOR BEING RESPONSIVE TO THE PEAK OF AN ANTINODE OF SAID WAVESHAPE AT SAID FIRST SAMPLING MEANS TO PRODUCE AN OUTPUT SIGNAL; A THRESHOLD CIRCUIT CONNECTED TO SAID SECOND SAMPLING
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |