US3237178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control apparatus
Assignee: Honeywell Inc
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Filing: 1963-11-01
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Granted: 1966-02-22
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Expires: 1983-11-01
Abstract
No abstract record available.
Inventors
- 👤 Alastair G Valentine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:13
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/22; G01F23/26; G01F23/263; G01F23/266
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
224 words
DIGITAL APPRATUS IN A CLOSED LOOP INDICATING SYSTEM COMPRISING, IN COMBINATION: REBALANCE BRIDGE CIRCUIT MEANS INCUDING CONDITION SENSITIVE MEANS, INPUT MEANS AND OUTPUT MEANS; POWER SIGNAL SUPPLYING MEANS CONNECTED TO SAID INPUT MEANS OF SAID BRIDGE CIRCUIT MEANS FOR SUPPLYING A POWER SIGNAL THERETO; AMPLIFIER MEANS INCLUDING INPUT AND OUTPUT MEANS; FIRST MEANS CONNECTED TO SAID OUTPUT MEANS OF SAID BRIDGE CIRCUIT MEANS AND TO SAID INPUT MEANS OF SAID AMPLIFIER MEANS FOR SUPPLYING A SIGNAL THERETO WHICH IS REPRESENTATIVE OF A CONDITION; PHASE DETECTOR MEANS INCLUDING INPUT MEANS AND FIRST AND SECOND OUTPUT MEANS, SAID PHASE DETECTOR MEANS SUPPLYING AN OUTPUT AT SAID FIRST OUTPUT MEANS WHEN AN INPUT SIGNAL OF A FIRST PHASE IS APPLIED TO SAID INPUT MEANS OF SAID PHASE DETECTOR MEANS AND SUPPLYING AN OUTPUT SIGNAL AT SAID SECOND OUTPUT MEANS WHEN AN INPUT SIGNAL OF A SECOND PHASE IS APPLIED TO SAID INPUT MEANS OF SAID PHASE DETECTOR MEANS; SECOND MEANS CONNECTING SAID OUTPUT MEANS OF SAID AMPLIFIER MEANS TO SAID INPUT MEANS OF SAID PHASE DETECTOR MEANS; REVERSIBLE COUNTER MEANS INCLUDING FIRST INPUT MEANS, SECOND INPUT MEANS, AND OUTPUT MEANS, SAID REVERSIBLE COUNTER MEANS PROVIDING A DIGITAL OUTPUT AT SAID OUTPUT MEANS OF SAID COUNTER MEANS INDICATIVE OF THE NUMBER OF INPUT PULSES APPLIED TO SAID FIRST INPUT MEANS OF SAID COUNTER MEANS LESS THE NUMBER OF
Claim 2
Dependent Claim
224 words
DIGITAL APPRATUS IN A CLOSED LOOP INDICATING SYSTEM COMPRISING, IN COMBINATION: REBALANCE BRIDGE CIRCUIT MEANS INCUDING CONDITION SENSITIVE MEANS, INPUT MEANS AND OUTPUT MEANS; POWER SIGNAL SUPPLYING MEANS CONNECTED TO SAID INPUT MEANS OF SAID BRIDGE CIRCUIT MEANS FOR SUPPLYING A POWER SIGNAL THERETO; AMPLIFIER MEANS INCLUDING INPUT AND OUTPUT MEANS; FIRST MEANS CONNECTED TO SAID OUTPUT MEANS OF SAID BRIDGE CIRCUIT MEANS AND TO SAID INPUT MEANS OF SAID AMPLIFIER MEANS FOR SUPPLYING A SIGNAL THERETO WHICH IS REPRESENTATIVE OF A CONDITION; PHASE DETECTOR MEANS INCLUDING INPUT MEANS AND FIRST AND SECOND OUTPUT MEANS, SAID PHASE DETECTOR MEANS SUPPLYING AN OUTPUT AT SAID FIRST OUTPUT MEANS WHEN AN INPUT SIGNAL OF A FIRST PHASE IS APPLIED TO SAID INPUT MEANS OF SAID PHASE DETECTOR MEANS AND SUPPLYING AN OUTPUT SIGNAL AT SAID SECOND OUTPUT MEANS WHEN AN INPUT SIGNAL OF A SECOND PHASE IS APPLIED TO SAID INPUT MEANS OF SAID PHASE DETECTOR MEANS; SECOND MEANS CONNECTING SAID OUTPUT MEANS OF SAID AMPLIFIER MEANS TO SAID INPUT MEANS OF SAID PHASE DETECTOR MEANS; REVERSIBLE COUNTER MEANS INCLUDING FIRST INPUT MEANS, SECOND INPUT MEANS, AND OUTPUT MEANS, SAID REVERSIBLE COUNTER MEANS PROVIDING A DIGITAL OUTPUT AT SAID OUTPUT MEANS OF SAID COUNTER MEANS INDICATIVE OF THE NUMBER OF INPUT PULSES APPLIED TO SAID FIRST INPUT MEANS OF SAID COUNTER MEANS LESS THE NUMBER OF
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |