Patent US3351930A successfully refreshed from Google Patents.
US3351930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for analog to digital data conversion
Assignee: Individual
•
Filing: 1963-02-14
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Granted: 1967-11-07
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Expires: 1983-02-14
Abstract
No abstract record available.
Inventors
- 👤 Zweig Hans Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:44
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/06; H03M1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
THE METHOD OF ANALOG TO DIGITAL DATA CONVERSION WHICH COMPRISES THE STEPS OF DETECTING THE ANALOG DATA AND CONVERTING THE SAME TO AN ANALOG SIGNAL, EXPONENTIALLY AMPLIFYING THE ANALOG VOLTAGE SIGNAL, MODULATING THE INTENSITY OF A LIGHT BEAM WITH THE AMPLIFIED VOLTAGE, SAMPLING THE MODULATED LIGHT BEAM, ATTENTUATING THE LIGHT BEAM IN SEPARATE DISCRETE VARIED ELEMENTS, AND DETECTING THE PRESENCE OF THE SEPARATE VARIABLY-ATTENTUATED, LIGHT ELEMENTS ABOVE A THRESHOLD.
Claim 2
Independent Claim
69 words
THE METHOD OF ANALOG TO DIGITAL DATA CONVERSION WHICH COMPRISES THE STEPS OF DETECTING THE ANALOG DATA AND CONVERTING THE SAME TO AN ANALOG SIGNAL, EXPONENTIALLY AMPLIFYING THE ANALOG VOLTAGE SIGNAL, MODULATING THE INTENSITY OF A LIGHT BEAM WITH THE AMPLIFIED VOLTAGE, SAMPLING THE MODULATED LIGHT BEAM, ATTENTUATING THE LIGHT BEAM IN SEPARATE DISCRETE VARIED ELEMENTS, AND DETECTING THE PRESENCE OF THE SEPARATE VARIABLY-ATTENTUATED, LIGHT ELEMENTS ABOVE A THRESHOLD.
References Cited (Backward Citations)
US2196166A
Cited
US3075147A
Cited
US2839727A
Cited
US2950469A
Cited
US2832884A
Cited
US3214592A
Cited
US2869079A
Cited
US2996952A
Cited
US3214751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |