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US3352969A
Expired / Lapsed
US
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Video amplifier in which bandwidth is a function of signal amplitude
Assignee: US Philips Corp
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Filing: 1964-08-20
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Granted: 1967-11-14
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Expires: 1984-08-20
Abstract
No abstract record available.
Inventors
- 👤 Konings Marcel Johan Marie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:26
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/14; H04N5/20; H04N5/205; H04N5/208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A VIDEO AMPLIFIER COMPRISING FRIST AND SECOND AMPLIFIER DEVICES EACH HAVING A COMMON ELECTRODE, AN INPUT ELECTRODE AND AN OUTPUT ELECTRODE, AN OUTPUT CIRCUIT CONNECTED IN COMMON TO THE OUTPUT ELECTRODES OF SAID FIRST AND SECOND DEVICES, A SOURCE OF VIDEO SIGNALS, MEANS APPLYING SAID VIDEO SIGNALS TO SAID INPUT ELECTRODES, AND MEANS APPLYING DIFFERENT BIAS VOLTAGES TO SAID COMMON ELECTRODES, WHEREBY THE BANDWIDTH OF SIGNALS IN SAID OUTPUT CIRCUIT IS DEPENDENT UPON THE AMPLITUDE OF VIDEO SIGNALS APPLIED TO SAID INPUT ELECTRODES.
Claim 2
Dependent Claim
83 words
A VIDEO AMPLIFIER COMPRISING FRIST AND SECOND AMPLIFIER DEVICES EACH HAVING A COMMON ELECTRODE, AN INPUT ELECTRODE AND AN OUTPUT ELECTRODE, AN OUTPUT CIRCUIT CONNECTED IN COMMON TO THE OUTPUT ELECTRODES OF SAID FIRST AND SECOND DEVICES, A SOURCE OF VIDEO SIGNALS, MEANS APPLYING SAID VIDEO SIGNALS TO SAID INPUT ELECTRODES, AND MEANS APPLYING DIFFERENT BIAS VOLTAGES TO SAID COMMON ELECTRODES, WHEREBY THE BANDWIDTH OF SIGNALS IN SAID OUTPUT CIRCUIT IS DEPENDENT UPON THE AMPLITUDE OF VIDEO SIGNALS APPLIED TO SAID INPUT ELECTRODES.
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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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |