US3076339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermometer
Assignee: RCA Corp
•
Filing: 1960-04-07
•
Granted: 1963-02-05
•
Expires: 1980-04-07
Abstract
No abstract record available.
Inventors
- 👤 Loy E Barton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:44
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
IN COMBINATION, A CIRCUIT COMPRISING THE EMITTERCOLLECTOR PATH OF A TRANSISTOR, VARIABLE MEANS TO APPLY TO THE BASE OF SAID TRANSISTOR A BIAS VOLTAGE FROM A RANGE OF VOLTAGES TO CONTROL ITS CONDUCTANCE AND THEREBY TO SET THE CURRENT THROUGH SAID EMITTER-COLLECTOR PATH AT A PREDETERMINED VALUE, MEANS CONNECTED IN SAID CIRCUIT TO INDICATE SAID PREDETERMINED VALUE OF CURRENT, SAID CONDUCTANCE OF SAID TRANSISTOR BEING VARIABLE WITH ITS TEMPERATURE, A TEMPERATURE SCALE ON SAID BIAS MEANS, SAID BIAS MEANS BEING CALIBRATED TO INDICATE THE TEMPERATURE OF SAID TRANSISTOR, AND A TEMPERATURE SCALE ON SAID INDICATING MEANS TO INDICATE IN CONJUNCTION WITH SAID FIRSTMENTIONED TEMPERTURE SCALE THE TEMPERATURE OF SAID TRANSISTOR WHEN SAID CURRENT DIFFERS WITHIN A PREDETERMINED RANGE FROM SAID PREDETERMINED VALUE.
References Cited (Backward Citations)
US2696739A
Cited
US2946008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |