US3238295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television camera with vidicon-type tube
Assignee: Grundig EMV Elektromechanische Versuchsanstalt Max Grundig GmbH
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Filing: 1964-10-23
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Granted: 1966-03-01
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Expires: 1984-10-23
Abstract
No abstract record available.
Inventors
- 👤 Meinl Rudolf
- 👤 Obremski Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:50
CPC Classifications
H; H04; H04N; H04N23/00; H04N23/40; H04N23/80; H04N23/81
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN A TELEVISION CAMERA, THE COMBINATION WHICH COMPRISES: A VIDICON TUBE HAVING A SIGNAL ELECTRODE AND AT LEAST ONE FURTHER ELECTRODE ARRANGED NEAR SAID SIGNAL ELECTRODE: AN AMPLIFIER CONNECTED TO SAID SIGNAL ELECTRODE; AND MEANS CONNECTING A POINT OF SAID AMPLIFIER WITH SAID FURTHER ELECTRODE FOR APPLYING TO THE LATTER A COMPENSATING POTENTIAL WHICH IS IN PHASE WITH THE POTENTIAL OF SAID SIGNAL ELECTRODE, THE AMPLITUDE OF WHICH COMPENSATING POTENTIAL IS JUST SHORT OF CAUSING SELF-EXCITATION OF SAID AMPLIFIER.
Claim 2
Dependent Claim
79 words
IN A TELEVISION CAMERA, THE COMBINATION WHICH COMPRISES: A VIDICON TUBE HAVING A SIGNAL ELECTRODE AND AT LEAST ONE FURTHER ELECTRODE ARRANGED NEAR SAID SIGNAL ELECTRODE: AN AMPLIFIER CONNECTED TO SAID SIGNAL ELECTRODE; AND MEANS CONNECTING A POINT OF SAID AMPLIFIER WITH SAID FURTHER ELECTRODE FOR APPLYING TO THE LATTER A COMPENSATING POTENTIAL WHICH IS IN PHASE WITH THE POTENTIAL OF SAID SIGNAL ELECTRODE, THE AMPLITUDE OF WHICH COMPENSATING POTENTIAL IS JUST SHORT OF CAUSING SELF-EXCITATION OF SAID AMPLIFIER.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |