US3237111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for recognizing waveforms of variable time duration representing the spectrum of waveforms on a logarithmic scale
Assignee: General Electric Co
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Filing: 1963-08-14
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Granted: 1966-02-22
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Expires: 1983-08-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Clarence L Coates
- 👤 Ii Philip M Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:32
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/35; G01S7/352; G06; G06F; G06F17/00; G06F17/10; G06F17/18; G06G; G06G7/00; G06G7/12; G06G7/14; G06G7/19; G06G7/1928; H; H03; H03D; H03D1/00; H03H; H03H15/00; H03H17/00; H03H17/02; H03H21/00; H03H21/0001; H03K; H03K17/00; H03K17/51; H03K17/74; H03K5/00; H03K5/01; H03K5/04; H03K5/06; H03K5/065; H04; H04B; H04B14/00; H04B14/002; H04B7/00; H04B7/005; H04L; H04L1/00; H04L1/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
AN APPARATUS FOR THE RECOGNITION OF SIGNALS FROM ELECTRICAL INPUT COMPRISING MEANS FOR CONTINUOUSLY PROVIDING THE FREQUENCY SPECTRUM OF ELECTRICAL INPUT ON A LOGARITHMIC SCALE, MEANS CONSECTIVELY SCANNING THE AMPLITUDE OF SAID SPECTRUM, MEANS FOR COMPARING ONE PORTION OF ONE SCAN WITH A PORTION OF ANOTHER SCAN, AND MEANS RETAINING AT LEAST A PROPORTION THEREOF IN RESPONSE TO A FAVORABLE COMPARISON BETWEEN THE TWO.
Claim 2
Independent Claim
64 words
AN APPARATUS FOR THE RECOGNITION OF SIGNALS FROM ELECTRICAL INPUT COMPRISING MEANS FOR CONTINUOUSLY PROVIDING THE FREQUENCY SPECTRUM OF ELECTRICAL INPUT ON A LOGARITHMIC SCALE, MEANS CONSECTIVELY SCANNING THE AMPLITUDE OF SAID SPECTRUM, MEANS FOR COMPARING ONE PORTION OF ONE SCAN WITH A PORTION OF ANOTHER SCAN, AND MEANS RETAINING AT LEAST A PROPORTION THEREOF IN RESPONSE TO A FAVORABLE COMPARISON BETWEEN THE TWO.
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |