US3109987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved integrator
Assignee: Automatic Electric Laboratories Inc
•
Filing: 1961-12-18
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Granted: 1963-11-05
•
Expires: 1981-12-18
Abstract
No abstract record available.
Inventors
- 👤 Kenneth C Linder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:18
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/18; H; H03; H03M; H03M3/00; H03M3/02; H03M3/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A DELTA MODULATION SYSTEM COMPRISING A TRANSMISSION MEDIUM AND ANALOG/DIGITAL CONVERTING MEANS CONNECTED TO SAID MEDIUM, SAID CONVERTING MEANS INCLUDING, INTEGRATING MEANS, CIRCUIT CONNECTIONS BETWEEN SAID MEDIUM AND THE INPUT OF SAID INTEGRATING MEANS FOR INJECTING DIGITAL PULSES FROM SAID MEDIUM TO THE INPUT OF SAID INTEGRATING
Claim 2
Dependent Claim
47 words
A DELTA MODULATION SYSTEM COMPRISING A TRANSMISSION MEDIUM AND ANALOG/DIGITAL CONVERTING MEANS CONNECTED TO SAID MEDIUM, SAID CONVERTING MEANS INCLUDING, INTEGRATING MEANS, CIRCUIT CONNECTIONS BETWEEN SAID MEDIUM AND THE INPUT OF SAID INTEGRATING MEANS FOR INJECTING DIGITAL PULSES FROM SAID MEDIUM TO THE INPUT OF SAID INTEGRATING
References Cited (Backward Citations)
GB843818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |