US3184685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waveform generators
Assignee: International Business Machines Corp
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Filing: 1962-12-18
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Granted: 1965-05-18
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Expires: 1982-12-18
Abstract
No abstract record available.
Inventors
- 👤 Howard L Funk
- 👤 Skarshinski Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:42
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/02; G06F1/022; H; H03; H03K; H03K5/00; H03K5/01; H04; H04L; H04L25/00; H04L25/02; H04L25/03; H04L25/03006; H04L25/03012; H04L25/03114; H04L25/03127; H04L25/03133
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A WAVEFORM GENERATOR COMPRISING (A) A SUMMING NETWORK, (B) A PLURALITY OF DIGITAL TO ANALOG CONVERTERS HAVING PARALLELLY ARRANGED OUTPUTS COUPLED TO SAID NETWORK. (C) A FIRST SHIFT REGISTER MEANS FOR PROVIDING EACH OF SAID CONVERTERS WITH A DIGITAL REPRESENTATION OF AN ANALOG SIGNAL, AND (D) A SECOND SHIFT REGISTER MEANS FOR SELECTIVELY CONTROLLING THE OUTPUTS OF SAID CONVERTERS TO GENERATE AT SAID SUMMING NETWORK A WAVEFORM COMPOSED OF THE SIGNALS SUPPLIED BY EACH OF SAID DIGITAL-TO-ANALOG CONVERTERS.
Claim 2
Dependent Claim
78 words
A WAVEFORM GENERATOR COMPRISING (A) A SUMMING NETWORK, (B) A PLURALITY OF DIGITAL TO ANALOG CONVERTERS HAVING PARALLELLY ARRANGED OUTPUTS COUPLED TO SAID NETWORK. (C) A FIRST SHIFT REGISTER MEANS FOR PROVIDING EACH OF SAID CONVERTERS WITH A DIGITAL REPRESENTATION OF AN ANALOG SIGNAL, AND (D) A SECOND SHIFT REGISTER MEANS FOR SELECTIVELY CONTROLLING THE OUTPUTS OF SAID CONVERTERS TO GENERATE AT SAID SUMMING NETWORK A WAVEFORM COMPOSED OF THE SIGNALS SUPPLIED BY EACH OF SAID DIGITAL-TO-ANALOG CONVERTERS.
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) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |