US3217260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Odd harmonic generator for producing short alternately positive and negative equally spaced pulses
Assignee: Singer Co
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Filing: 1963-03-13
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Granted: 1965-11-09
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Expires: 1983-03-13
Abstract
No abstract record available.
Inventors
- 👤 William I L Wu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:39
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/01; H03B; H03B19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A HARMONIC GENERATOR FOR GENERATING ONLY ODD HARMONICS, COMPRISING A SOURCE OF REFERENCE SQUARE WAVE SIGNALS OF FIXED PERIOD, A MONOSTABLE PULSE GENERATOR RESPONSIVE TO EACH LEADING EDGE OF SAID SQUARE WAVE SIGNALS TO GENERATOR A PAIR OF SIGNALS ADJACENT IN TIME AND OF SHORTER DURATION THAN SAID FIXED PERIOD, A PAIR OF BINARY FREQUENCY DIVIDERS RESPONSIVE EACH TO ONE OF SAID PAIR OF SIGNALS TO GENERATE A PAIR OF FURTHER OVERLAPPING SQUARE WAVE SIGNALS RELATIVELY DISPLACED IN PHASE BY THE DURATION OF ONE OF SAID PAIR OF SIGNALS, AND MEANS RESPONSIVE TO SAID FURTHER SQUARE WAVE SIGNALS TO GENERATE A TRAIN OF SHORT PULSES HAVING ALTERNATE POSITIVE AND NEGATIVE POLARITIES.
Claim 2
Dependent Claim
111 words
A HARMONIC GENERATOR FOR GENERATING ONLY ODD HARMONICS, COMPRISING A SOURCE OF REFERENCE SQUARE WAVE SIGNALS OF FIXED PERIOD, A MONOSTABLE PULSE GENERATOR RESPONSIVE TO EACH LEADING EDGE OF SAID SQUARE WAVE SIGNALS TO GENERATOR A PAIR OF SIGNALS ADJACENT IN TIME AND OF SHORTER DURATION THAN SAID FIXED PERIOD, A PAIR OF BINARY FREQUENCY DIVIDERS RESPONSIVE EACH TO ONE OF SAID PAIR OF SIGNALS TO GENERATE A PAIR OF FURTHER OVERLAPPING SQUARE WAVE SIGNALS RELATIVELY DISPLACED IN PHASE BY THE DURATION OF ONE OF SAID PAIR OF SIGNALS, AND MEANS RESPONSIVE TO SAID FURTHER SQUARE WAVE SIGNALS TO GENERATE A TRAIN OF SHORT PULSES HAVING ALTERNATE POSITIVE AND NEGATIVE POLARITIES.
References Cited (Backward Citations)
US2226459A
Cited
US2546371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |