US3094690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supervisory system
Assignee: Honeywell Inc
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Filing: 1961-10-02
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Granted: 1963-06-18
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Expires: 1981-10-02
Abstract
No abstract record available.
Inventors
- 👤 Russell L Voorhees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:47
CPC Classifications
G; G08; G08B; G08B25/00; G08B25/008; G08B13/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
CIRCUIT SUPERVISING APPARATUS COMPRISING: A SUPERVISORY STATION HAVING THEREIN SOURCE VOLTAGE MEANS, CURRENT REVERSING MEANS, ALARM ACTUATING MEANS, FIRST IMPEDANCE MEANS AND MEANS FOR ALTERNATELY SHUNTING SAID FIRST IMPEDANCE MEANS; A LINE TO BE SUPERVISED HAVING THEREIN SECOND IMPEDANCE MEANS AND MEANS FOR ALTERNATELY SHUNTING SAID SECOND IMPEDANCE MEANS; MEANS CONNECTING SAID LINE, SAID ALARM ACTUATING MEANS, SAID CURRENT REVERSING MEANS, SAID FIRST IMPEDANCE MEANS AND SAID SECOND IMPEDANCE MEANS IN SERIES AND ACROSS SAID SOURCE MEANS; SAID IMPEDANCE SHUNTING MEANS FOR SAID FIRST IMPEDANCE MEANS AND SAID IMPEDANCE SHUNTING MEANS FOR SAID SECOND IMPEDANCE MEANS BEING ADAPTED TO COMPLEMENTARILY SHUNT THEIR RESPECTIVE IMPEDANCE MEANS IN A MANNER WHEREBY THE TOTAL IMPEDANCE OF THE CURRENT LOOP REMAINS SUBSTANTIALLY CONSTANT; AND SAID ALARM ACTUATING MEANS BEING SENSITIVE TO A DEVIATION FROM A NORMAL LEVEL OF CURRENT FLOW AND BEING ADAPTED TO ACTUATE ALARM MEANS IN THE PRESENCE OF AN ABNORMAL LEVEL OF CURRENT FLOW.
Claim 2
Dependent Claim
153 words
CIRCUIT SUPERVISING APPARATUS COMPRISING: A SUPERVISORY STATION HAVING THEREIN SOURCE VOLTAGE MEANS, CURRENT REVERSING MEANS, ALARM ACTUATING MEANS, FIRST IMPEDANCE MEANS AND MEANS FOR ALTERNATELY SHUNTING SAID FIRST IMPEDANCE MEANS; A LINE TO BE SUPERVISED HAVING THEREIN SECOND IMPEDANCE MEANS AND MEANS FOR ALTERNATELY SHUNTING SAID SECOND IMPEDANCE MEANS; MEANS CONNECTING SAID LINE, SAID ALARM ACTUATING MEANS, SAID CURRENT REVERSING MEANS, SAID FIRST IMPEDANCE MEANS AND SAID SECOND IMPEDANCE MEANS IN SERIES AND ACROSS SAID SOURCE MEANS; SAID IMPEDANCE SHUNTING MEANS FOR SAID FIRST IMPEDANCE MEANS AND SAID IMPEDANCE SHUNTING MEANS FOR SAID SECOND IMPEDANCE MEANS BEING ADAPTED TO COMPLEMENTARILY SHUNT THEIR RESPECTIVE IMPEDANCE MEANS IN A MANNER WHEREBY THE TOTAL IMPEDANCE OF THE CURRENT LOOP REMAINS SUBSTANTIALLY CONSTANT; AND SAID ALARM ACTUATING MEANS BEING SENSITIVE TO A DEVIATION FROM A NORMAL LEVEL OF CURRENT FLOW AND BEING ADAPTED TO ACTUATE ALARM MEANS IN THE PRESENCE OF AN ABNORMAL LEVEL OF CURRENT FLOW.
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) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |