US3244959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frequency to voltage transducer
Assignee: Westinghouse Electric Corp
•
Filing: 1962-08-27
•
Granted: 1966-04-05
•
Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 Francis T Thompson
- 👤 Leonard C Vercellotti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:11
CPC Classifications
G; G01; G01R; G01R23/00; G01R23/02; G01R23/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A FREQUENCY TO VOLTAGE TRANSDUCER COMPRISING AN INDUCTIVE DEVICE HAVING A WINDING AND A MAGNETIC CORE HAVING A RECTANGULAR CORE LOOP CHARACTERISTIC ADAPTED TO SATURATE WITHIN ITS WORKING RANGE, SIGNAL TERMINALS ADAPTED TO BE CONNECTED TO A SOURCE OF ALTERNATING POTENTIAL THE FREQUENCY OF WHICH IS TO ACTUATE THE TRANSUCEER, INPUT TERMINALS ADAPTED TO BE CONNECTED TO A SOURCE OF UNIDIRECTIONAL POTENTIAL, SWITCHING APPARATUS HAVING A FIRST OPARAING CONDITION IN WHICH SAID WINDING IS CONNECTED TO SAID INPUT TERMINALS AND SAID SOURCE FOR ENERGIZATION OF SAID CORE IN A FIRST DIRECTION AND HAVING A SECOND OPERATING CONDITION IN WHICH SAID WINDING IS CONNECTED TO SAID INPUT TERMINALS AND SAID SOURCE FOR ENERGIZATION OF SAID CORE IN A SECOND DIRECTION, MEANS CONNECTING SAID SWITCHING APPARATUS TO SAID SIGNAL TERMINALS TO PLACE THE APPARATUS IN SAID FIRST OPERATING CONDITION AS A CONSEQUENCE OF A FIRST POLARITY
Claim 2
Dependent Claim
144 words
A FREQUENCY TO VOLTAGE TRANSDUCER COMPRISING AN INDUCTIVE DEVICE HAVING A WINDING AND A MAGNETIC CORE HAVING A RECTANGULAR CORE LOOP CHARACTERISTIC ADAPTED TO SATURATE WITHIN ITS WORKING RANGE, SIGNAL TERMINALS ADAPTED TO BE CONNECTED TO A SOURCE OF ALTERNATING POTENTIAL THE FREQUENCY OF WHICH IS TO ACTUATE THE TRANSUCEER, INPUT TERMINALS ADAPTED TO BE CONNECTED TO A SOURCE OF UNIDIRECTIONAL POTENTIAL, SWITCHING APPARATUS HAVING A FIRST OPARAING CONDITION IN WHICH SAID WINDING IS CONNECTED TO SAID INPUT TERMINALS AND SAID SOURCE FOR ENERGIZATION OF SAID CORE IN A FIRST DIRECTION AND HAVING A SECOND OPERATING CONDITION IN WHICH SAID WINDING IS CONNECTED TO SAID INPUT TERMINALS AND SAID SOURCE FOR ENERGIZATION OF SAID CORE IN A SECOND DIRECTION, MEANS CONNECTING SAID SWITCHING APPARATUS TO SAID SIGNAL TERMINALS TO PLACE THE APPARATUS IN SAID FIRST OPERATING CONDITION AS A CONSEQUENCE OF A FIRST POLARITY
References Cited (Backward Citations)
US2836784A
Cited
US3147406A
Cited
US3004220A
Cited
DE1076790B
Cited
US3018381A
Cited
US3029398A
Cited
US3021480A
Cited
US3067376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |