US3443126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sine wave to square waveshaping circuit
Assignee: HARMON INDUSTRIES Inc
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Filing: 1966-05-31
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Granted: 1969-05-06
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Expires: 1986-05-31
Abstract
No abstract record available.
Inventors
- 👤 Lawrence L Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:31
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01; H03K5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A CIRCUIT FOR SQUARING A SINUSOID COMPRISING A RECTIFIER FOR RECTIFYING SAID SINUSOID, SQUARING MEANS COUPLED TO SAID RECTIFIER TO PRODUCE A SQUARE WAVE HAVING A PERIOD EQUAL TO THAT OF SAID SINUSOID, SIGNAL STORAGE MEANS, MEANS COUPLING THE FIRST HALF CYCLE OF SAID SINUSOID TO SAID SIGNAL STORAGE MEANS, MEANS COUPLING THE SIGNAL STORED BY SAID SIGNAL STORAGE MEANS TO SAID SQUARING MEANS WHENEVER THE AMPLITUDE OF THE STORED SIGNAL EXCEEDS THE AMPLITUDE OF THE OUTPUT OF SAID RECTIFIER, AND MEANS FOR DISCHARGING
Claim 2
Dependent Claim
84 words
A CIRCUIT FOR SQUARING A SINUSOID COMPRISING A RECTIFIER FOR RECTIFYING SAID SINUSOID, SQUARING MEANS COUPLED TO SAID RECTIFIER TO PRODUCE A SQUARE WAVE HAVING A PERIOD EQUAL TO THAT OF SAID SINUSOID, SIGNAL STORAGE MEANS, MEANS COUPLING THE FIRST HALF CYCLE OF SAID SINUSOID TO SAID SIGNAL STORAGE MEANS, MEANS COUPLING THE SIGNAL STORED BY SAID SIGNAL STORAGE MEANS TO SAID SQUARING MEANS WHENEVER THE AMPLITUDE OF THE STORED SIGNAL EXCEEDS THE AMPLITUDE OF THE OUTPUT OF SAID RECTIFIER, AND MEANS FOR DISCHARGING
References Cited (Backward Citations)
US3117243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |