US3278685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wave analyzing system
Assignee: International Business Machines Corp
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Filing: 1962-12-31
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Granted: 1966-10-11
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Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Harper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:26
CPC Classifications
G; G10; G10L; G10L25/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A WAVE ANALYZING SYSTEM FOR PRESENTING THE SLOPE REVERSAL TO ZERO CROSSING RATIO OF A TRANSDUCED SPEECH WAVE FOR SPEECH RECOGNITION PURPOSES, INCLUDING: SLOPE REVERSAL DECTECTION MEANS; ZERO CROSSING DETECTION MEANS; WAVE INPUT MEANS CONNECTING THE INPUTS OF SAID DETECTION MEANS; AND, AT THE OUTPUTS OF SAID DETECTION MEANS, RESPECTIVELY; SLOPE REVERSAL PULSE WIDTH DETECTION MEANS INCLUDING DIGITAL OUTPUT TERMINALS, AND ZERO CROSSING PULSE WIDTH DETECTION MEANS INCLUDING DIGITAL OUTPUT TERMINALS; AND DIGITAL LOGIC MEANS CONNECTED TO SAID DIGITAL OUTPUT TERMINALS AND HAVING A PLURALITY OF OUTPUTS FOR DETECTING PARTICULAR COMBINATIONS OF DIGITAL OUTPUTS FROM SAID DIGITAL OUTPUT TERMINALS AND PROVIDING A SIGNAL ON A DIFFERENT OUTPUT IN RESPONSE TO EACH DIFFERENT COMBINATION.
Claim 2
Dependent Claim
113 words
A WAVE ANALYZING SYSTEM FOR PRESENTING THE SLOPE REVERSAL TO ZERO CROSSING RATIO OF A TRANSDUCED SPEECH WAVE FOR SPEECH RECOGNITION PURPOSES, INCLUDING: SLOPE REVERSAL DECTECTION MEANS; ZERO CROSSING DETECTION MEANS; WAVE INPUT MEANS CONNECTING THE INPUTS OF SAID DETECTION MEANS; AND, AT THE OUTPUTS OF SAID DETECTION MEANS, RESPECTIVELY; SLOPE REVERSAL PULSE WIDTH DETECTION MEANS INCLUDING DIGITAL OUTPUT TERMINALS, AND ZERO CROSSING PULSE WIDTH DETECTION MEANS INCLUDING DIGITAL OUTPUT TERMINALS; AND DIGITAL LOGIC MEANS CONNECTED TO SAID DIGITAL OUTPUT TERMINALS AND HAVING A PLURALITY OF OUTPUTS FOR DETECTING PARTICULAR COMBINATIONS OF DIGITAL OUTPUTS FROM SAID DIGITAL OUTPUT TERMINALS AND PROVIDING A SIGNAL ON A DIFFERENT OUTPUT IN RESPONSE TO EACH DIFFERENT COMBINATION.
References Cited (Backward Citations)
US3094586A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |