US3340469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transfer function testing apparatus utilizing a sine wave transfer function obtained by combining rectangular and triangular waveforms
Assignee: Individual
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Filing: 1966-07-26
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Granted: 1967-09-05
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Expires: 1986-07-26
Abstract
No abstract record available.
Inventors
- 👤 Catherall Reginald
- 👤 Dorey Howard Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/19; G06G7/1921; G06G7/26; G06G7/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
225 words
APPARATUS FOR GENERATING A SIGNAL DEFINED BY PARTICULAR CHARACTERISTICS OF AMPLITUDE, WAVE FORM AND FREQUENCIES, INCLUDING; FIRST MEANS FOR GENERATING A FIRST PLURALITY OF SIGNALS EACH HAVING A FIRST PARTICULAR SHAPE AND EACH HAVING AN INDIVIDUAL DURATION RELATIVE TO THE OTHER SIGNALS IN THE FIRST PLURALITY AND EACH HAVING A PARTICULAR TIME RELATION TO THE OTHER SIGNALS IN THE FIRST PLURALITY, THE FIRST MEANS GENERATING THE DIFFERENT SIGNALS IN THE FIRST PLURALITY TO PROVIDE INDIVIDUAL ONES OF SUCH SIGNALS AT THE SAME TIME AS OTHER SIGNALS IN THE FIRST PLURALITY FOR A PARTICULAR OVERLAPPING IN TIME OF THE DIFFERENT SIGNALS IN THE FIRST PLURALITY, SECOND MEANS FOR GENERATING A SECOND PLURALITY OF SIGNALS EACH HAVING A SECOND PARTICULAR SHAPE DIFFERENT FROM THE FIRST PARTICULAR SHAPE AND EACH HAVING A PARTICULAR TIME RELATION TO THE OTHER SIGNALS IN THE SECOND PLURALITY, THE SECOND MEANS GENERATING THE DIFFERENT SIGNALS IN THE SECOND PLURALITY TO PROVIDE AN OVERLAPPING IN TIME BETWEEN INDIVIDUAL ONES OF THE SIGNALS IN THE SECOND PLURALITY AND INDIVIDUAL ONES OF THE SIGNALS IN THE FIRST PLURALITY, AND THIRD MEANS COUPLED TO THE FIRST AND SECOND MEANS FOR SUPERIMPOSING THE SIGNALS IN THE SECOND PLURALITY ON THE SIGNALS IN THE FIRST PLURALITY IN THE PARTICULAR TIME RELATIONSHIPS OF SUCH SIGNALS TO PRODUCE THE SIGNAL DEFINED BY THE PARTICULAR CHARACTERISTICS OF AMPLITUDE, WAVE FORM AND FREQUENCIES.
Claim 2
Dependent Claim
225 words
APPARATUS FOR GENERATING A SIGNAL DEFINED BY PARTICULAR CHARACTERISTICS OF AMPLITUDE, WAVE FORM AND FREQUENCIES, INCLUDING; FIRST MEANS FOR GENERATING A FIRST PLURALITY OF SIGNALS EACH HAVING A FIRST PARTICULAR SHAPE AND EACH HAVING AN INDIVIDUAL DURATION RELATIVE TO THE OTHER SIGNALS IN THE FIRST PLURALITY AND EACH HAVING A PARTICULAR TIME RELATION TO THE OTHER SIGNALS IN THE FIRST PLURALITY, THE FIRST MEANS GENERATING THE DIFFERENT SIGNALS IN THE FIRST PLURALITY TO PROVIDE INDIVIDUAL ONES OF SUCH SIGNALS AT THE SAME TIME AS OTHER SIGNALS IN THE FIRST PLURALITY FOR A PARTICULAR OVERLAPPING IN TIME OF THE DIFFERENT SIGNALS IN THE FIRST PLURALITY, SECOND MEANS FOR GENERATING A SECOND PLURALITY OF SIGNALS EACH HAVING A SECOND PARTICULAR SHAPE DIFFERENT FROM THE FIRST PARTICULAR SHAPE AND EACH HAVING A PARTICULAR TIME RELATION TO THE OTHER SIGNALS IN THE SECOND PLURALITY, THE SECOND MEANS GENERATING THE DIFFERENT SIGNALS IN THE SECOND PLURALITY TO PROVIDE AN OVERLAPPING IN TIME BETWEEN INDIVIDUAL ONES OF THE SIGNALS IN THE SECOND PLURALITY AND INDIVIDUAL ONES OF THE SIGNALS IN THE FIRST PLURALITY, AND THIRD MEANS COUPLED TO THE FIRST AND SECOND MEANS FOR SUPERIMPOSING THE SIGNALS IN THE SECOND PLURALITY ON THE SIGNALS IN THE FIRST PLURALITY IN THE PARTICULAR TIME RELATIONSHIPS OF SUCH SIGNALS TO PRODUCE THE SIGNAL DEFINED BY THE PARTICULAR CHARACTERISTICS OF AMPLITUDE, WAVE FORM AND FREQUENCIES.
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |