US3101433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus
Assignee: Honeywell Inc
•
Filing: 1958-12-31
•
Granted: 1963-08-20
•
Expires: 1978-12-31
Abstract
No abstract record available.
Inventors
- 👤 Robert L Miller
- 👤 Jr Rudolph J Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:56
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/20; G05D23/22; G05D23/1906; G05D23/1913; Y; Y10; Y10S; Y10S208/00; Y10S208/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
109 words
A TIME PROPORTIONING CONTROL APPARATUS COMPRISING, IN COMBINATION, MEANS FOR GENERATING A LINEAR SAWTOOTH WAVE VOLTAGE SIGNAL, A CURRENT CONTROL DEVICE, MEANS FOR APPLYING A CONTROL SIGNAL TO SAID CURRENT CONTROL DEVICE, MEANS FOR APPLYING SAID SAWTOOTH WAVE SIGNAL AS BIAS TO SAID CURRENT CONTROL DEVICE FOR CYCLIC COMPARISON WITH SAID CONTROL SIGNAL WHEREBY TO CONTROL THE FLOW OF CURRENT THROUGH SAID CONTROL DEVICE ON A TIME CYCLE DETERMINED BY THE REPETITION RATE OF SAID SAWTOOTH SIGNAL AND FOR A PROPORTIONATE TIME DURING EACH CYCLE DETERMINED BY THE RELATIVE MAGNITUDE OF SAID CONTROL SIGNAL, AND OUTPUT OPERATION CONTROL MEANS RESPONSIVE TO THE CURRENT FLOW THROUGH SAID CURRENT CONTROL MEANS.
References Cited (Backward Citations)
US2250708A
Cited
US2426910A
Cited
US2453787A
Cited
US2589085A
Cited
US2583792A
Cited
US2602151A
Cited
US2684443A
Cited
US2864978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |