US3246247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse width to d. c. converter
Assignee: General Electric Co
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Filing: 1963-11-18
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Granted: 1966-04-12
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Expires: 1983-11-18
Abstract
No abstract record available.
Inventors
- 👤 Blaine D Grindle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:49
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/04; H; H03; H03K; H03K9/00; H03K9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PULSE WIDTH T D.-C. VOLTAGE CONVERTER COMPRISING: (A) AN OUTPUT OPERATIONAL AMPLIFIER INTEGRATOR FOR GENERATING A D.-C. SIGNAL; (B) FEEDBACK MEANS RESPONSIVE TO SAID INTEGRATOR OUTPUT SIGNAL FOR PRODUCING PULSE WIDTH MODULATED FEEDBACK SIGNALS; (C) BIPOLARITY SWITCHING MEANS, RESPONSIVE TO INPUT PULSE WIDTH MODULATED SIGNALS APPLIED THERETO AND SAID FEEDBACK PULSE SIGNALS, FOR GENERATING INCREMENTAL BIPOLARITY ERROR SIGNALS COUPLED TO SAID INTEGRATOR SO AS TO CHANGE SAID D.-C. OUTPUT SIGNAL IN ACCORDANCE WITH TIME DURATION DIFFERENCES IN SAID PULSE WIDTH INPUT AND FEEDBACK SIGNALS.
Claim 2
Dependent Claim
85 words
A PULSE WIDTH T D.-C. VOLTAGE CONVERTER COMPRISING: (A) AN OUTPUT OPERATIONAL AMPLIFIER INTEGRATOR FOR GENERATING A D.-C. SIGNAL; (B) FEEDBACK MEANS RESPONSIVE TO SAID INTEGRATOR OUTPUT SIGNAL FOR PRODUCING PULSE WIDTH MODULATED FEEDBACK SIGNALS; (C) BIPOLARITY SWITCHING MEANS, RESPONSIVE TO INPUT PULSE WIDTH MODULATED SIGNALS APPLIED THERETO AND SAID FEEDBACK PULSE SIGNALS, FOR GENERATING INCREMENTAL BIPOLARITY ERROR SIGNALS COUPLED TO SAID INTEGRATOR SO AS TO CHANGE SAID D.-C. OUTPUT SIGNAL IN ACCORDANCE WITH TIME DURATION DIFFERENCES IN SAID PULSE WIDTH INPUT AND FEEDBACK SIGNALS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |