US3165707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zener diode noise generator with feedback for threshold maintenance
Assignee: International Business Machines Corp
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Filing: 1960-12-27
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Granted: 1965-01-12
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Genung L Clapper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:51
CPC Classifications
H; H03; H03B; H03B29/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A NOISE GENERATOR COMPRISING IN COMBINATION, AN ELECTRON DISCHARGE DEVICE HAVING AN INPUT AND AN OUTPUT CIRCUIT, MEANS FOR SUPPLYING DIRECT CURRENT OPERATING POTENTIALS TO SAID ELECTRON DISCHARGE DEVICE, A ZENER DIODE HAVING A PREDETERMINED THRESHOLD VOLTAGE, MEANS FOR SUPPLYING DIRECT CURRENT POTENTIAL TO SAID DIODE TO BIAS SAID DIODE, CIRCUIT MEANS CONNECTING SAID DIODE TO THE INPUT OF SAID ELECTRON DISCHARGE DEVICE, AND A DEGENERATIVE FEEDBACK CIRCUIT CONNECTED BETWEEN SAID DIODE AND SAID OUTPUT CIRCUIT TO VARY THE BIAS OF SAID DIODE IN RESPONSE TO FLUCTUATIONS IN SAID OUTPUT CIRCUIT THE VARIATIONS IN BIAS CONTINUOUSLY MAINTAINING THE DIODE AT SAID THRESHOLD VOLTAGE.
Claim 2
Dependent Claim
103 words
A NOISE GENERATOR COMPRISING IN COMBINATION, AN ELECTRON DISCHARGE DEVICE HAVING AN INPUT AND AN OUTPUT CIRCUIT, MEANS FOR SUPPLYING DIRECT CURRENT OPERATING POTENTIALS TO SAID ELECTRON DISCHARGE DEVICE, A ZENER DIODE HAVING A PREDETERMINED THRESHOLD VOLTAGE, MEANS FOR SUPPLYING DIRECT CURRENT POTENTIAL TO SAID DIODE TO BIAS SAID DIODE, CIRCUIT MEANS CONNECTING SAID DIODE TO THE INPUT OF SAID ELECTRON DISCHARGE DEVICE, AND A DEGENERATIVE FEEDBACK CIRCUIT CONNECTED BETWEEN SAID DIODE AND SAID OUTPUT CIRCUIT TO VARY THE BIAS OF SAID DIODE IN RESPONSE TO FLUCTUATIONS IN SAID OUTPUT CIRCUIT THE VARIATIONS IN BIAS CONTINUOUSLY MAINTAINING THE DIODE AT SAID THRESHOLD VOLTAGE.
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) | 1968-01-12 | 1968-07-13 | 1969-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-12 | 1972-07-13 | 1973-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-12 | 1976-07-13 | 1977-01-12 | $7700.00 | Window Closed / Lapsed |