US3079795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical measuring system
Assignee: Tamar Electronics Industries Inc
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Filing: 1958-12-11
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Granted: 1963-03-05
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Expires: 1978-12-11
Abstract
No abstract record available.
Inventors
- 👤 Otto K Kowallis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:06
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/10; G01F1/115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN A DEVICE THAT RESPONDS TO A PHYSICAL CONDITION OF VARIABLE MAGNITUDE TO PRODUCE AN ALTERNATING ELECTRICAL SIGNAL THAT HAS A PRIMARY FREQUENCY THAT VARIES AS A FUNCTION OF THE MAGNITUDE; THE COMBINATION COMPRISING: A CATHODE RAY OSCILLOSCOPE HAVING A FLUORESCENT SCREEN; MEANS FOR DIRECTING AN ELECTRON BEAM TOWARD SAID SCREEN TO CAUSE SAID SCREEN TO EMIT LIGHT FROM A POINT THEREOF WHILE SAID BEAM IS IMPINGING THEREON, AND HAVING BEAM-DEFLECTION MEANS; MEANS CONNECTED TO SAID DEFLECTION MEANS AND CONTROLLED BY SAID ALTERNATING CURRENT FOR CAUSING AN ELECTRON BEAM TO CYCLICALLY SCAN SAID TARGET ALONG A PERIPHERAL PATH AT A SPEED PROPORTIONAL TO SAID PRIMARY FREQUENCY; A PHOTODETECTOR FOR RECEIVING LIGHT EMITTED FROM SAID SCREEN; A MULTIPLE-SECTORED MASK EXTERNAL TO SAID OSCILLOSCOPE BETWEEN SAID SCREEN AND SAID PHOTODETECTOR FOR CAUSING PULSES OF LIGHT TO IMPINGE ON SAID SCREEN AT A
Claim 2
Dependent Claim
140 words
IN A DEVICE THAT RESPONDS TO A PHYSICAL CONDITION OF VARIABLE MAGNITUDE TO PRODUCE AN ALTERNATING ELECTRICAL SIGNAL THAT HAS A PRIMARY FREQUENCY THAT VARIES AS A FUNCTION OF THE MAGNITUDE; THE COMBINATION COMPRISING: A CATHODE RAY OSCILLOSCOPE HAVING A FLUORESCENT SCREEN; MEANS FOR DIRECTING AN ELECTRON BEAM TOWARD SAID SCREEN TO CAUSE SAID SCREEN TO EMIT LIGHT FROM A POINT THEREOF WHILE SAID BEAM IS IMPINGING THEREON, AND HAVING BEAM-DEFLECTION MEANS; MEANS CONNECTED TO SAID DEFLECTION MEANS AND CONTROLLED BY SAID ALTERNATING CURRENT FOR CAUSING AN ELECTRON BEAM TO CYCLICALLY SCAN SAID TARGET ALONG A PERIPHERAL PATH AT A SPEED PROPORTIONAL TO SAID PRIMARY FREQUENCY; A PHOTODETECTOR FOR RECEIVING LIGHT EMITTED FROM SAID SCREEN; A MULTIPLE-SECTORED MASK EXTERNAL TO SAID OSCILLOSCOPE BETWEEN SAID SCREEN AND SAID PHOTODETECTOR FOR CAUSING PULSES OF LIGHT TO IMPINGE ON SAID SCREEN AT A
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |