Patent US1154604A successfully refreshed from Google Patents.
Patent US3102926A successfully refreshed from Google Patents.
US3102926A
Expired / Lapsed
US
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Digitalized pickoff display converter
Assignee: Individual
•
Filing: 1960-06-30
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Granted: 1963-09-03
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Expires: 1980-06-30
Abstract
No abstract record available.
Inventors
- 👤 Frederick R Fluhr
- 👤 Donald J Mclaughlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:17
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/66; G01S13/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A PICK-OFF DISPLAY CONVERTER, A SIGNAL DISPLAY MEANS, A CONDUCTIVE GLASS RESISTANCE NETWORK WHICH OVERLIES SAID DISPLAY MEANS, A PROBE FOR CONTACTING THE CONDUCTIVE GLASS RESISTANCE NETWORK AT A SELECTABLE POINT THEREON, FORMING MEANS FOR DERIVING AN ANALOG SIGNAL REPRESENTATIVE OF THE POSITION OF CONTACT, COMPARATOR MEANS CONNECTED TO SAID FORMING MEANS AND TO THE PROBE FOR COMPARING THE ANALOG SIGNAL AND THE SIGNALS DERIVED BY THE PROBE AND CORRECTING THE FORMING MEANS TO MINIMIZE DIFFERENCES IN COMPARED SIGNALS, AND MEANS FOR PRODUCING AN INDICATION ON SAID DISPLAY MEANS IN ACCORDANCE WITH THE ANALOG SIGNAL.
Claim 2
Dependent Claim
96 words
IN A PICK-OFF DISPLAY CONVERTER, A SIGNAL DISPLAY MEANS, A CONDUCTIVE GLASS RESISTANCE NETWORK WHICH OVERLIES SAID DISPLAY MEANS, A PROBE FOR CONTACTING THE CONDUCTIVE GLASS RESISTANCE NETWORK AT A SELECTABLE POINT THEREON, FORMING MEANS FOR DERIVING AN ANALOG SIGNAL REPRESENTATIVE OF THE POSITION OF CONTACT, COMPARATOR MEANS CONNECTED TO SAID FORMING MEANS AND TO THE PROBE FOR COMPARING THE ANALOG SIGNAL AND THE SIGNALS DERIVED BY THE PROBE AND CORRECTING THE FORMING MEANS TO MINIMIZE DIFFERENCES IN COMPARED SIGNALS, AND MEANS FOR PRODUCING AN INDICATION ON SAID DISPLAY MEANS IN ACCORDANCE WITH THE ANALOG SIGNAL.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |