Patent US3072804A successfully refreshed from Google Patents.
US3072804A
Expired / Lapsed
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Pulse position detector utilizing the storage effect of pnpn diodes
Assignee: AT&T Inc
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Filing: 1959-12-14
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Granted: 1963-01-08
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Expires: 1979-12-14
Abstract
No abstract record available.
Inventors
- 👤 David A Aaronson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:26
CPC Classifications
G; G01; G01R; G01R31/00; G01R31/28; G01R31/30; H; H03; H03K; H03K17/00; H03K17/51; H03K17/56; H03K17/70; H03K5/00; H03K5/22; H03K5/26; H04; H04L; H04L7/00; H04L7/0008; H04L7/0016; H04L7/0033; H04L7/0041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN COMBINATION IN A PULSE POSITION DETECTOR, FIRST PNPN DIODE MEANS, SECOND PNPN DIODE MEANS, DIGITAL INFORMATION SOURCE MEANS CONNECTED ACROSS EACH OF SAID FIRST AND SECOND DIODE MEANS FOR SUPPLYING PULSES THERETO IN SELECTED DIGIT POSITIONS OF A PREDETERMINED WORD PERIOD, FIRST CLOCK MEANS CONNECTED ACROSS SAID FIRST DIODE MEANS FOR SUPPLYING PULSES THERETO IN SELECTED DIGIT POSITIONS OF THE PREDETERMINED WORD PERIOD, SECOND CLOCK MEANS CONNECTED ACROSS SAID SECOND DIODE MEANS FOR SUP PLYING PULSES THERETO IN SELECTED DIGIT POSITIONS OF THE PREDETERMINED WORD PERIOD, AND OUTPUT CIRCUIT MEANS CONNECTED ACROSS SAID FIRST AND SECOND DIODE MEANS AND RESPONSIVE TO THE APPLICATION OF PULSES IN NONADJACENT DIGIT POSITIONS TO EACH OF SAID FIRST AND SECOND DIODE MEANS TO PROVIDE AN OUTPUT INDICATION CHARACTERIZED BY THE ABSENCE OF OUTPUT SIGNALS THEREFROM AND RESPONSIVE TO THE APPLICATION OF PULSES IN ADJACENT DIGIT POSITIONS TO ONE OR BOTH OF SAID FIRST AND SECOND DIODE MEANS TO RESPECTIVELY PROVIDE ONE OR TWO PULSE OUTPUT SIGNALS THEREFROM.
Claim 2
Dependent Claim
164 words
IN COMBINATION IN A PULSE POSITION DETECTOR, FIRST PNPN DIODE MEANS, SECOND PNPN DIODE MEANS, DIGITAL INFORMATION SOURCE MEANS CONNECTED ACROSS EACH OF SAID FIRST AND SECOND DIODE MEANS FOR SUPPLYING PULSES THERETO IN SELECTED DIGIT POSITIONS OF A PREDETERMINED WORD PERIOD, FIRST CLOCK MEANS CONNECTED ACROSS SAID FIRST DIODE MEANS FOR SUPPLYING PULSES THERETO IN SELECTED DIGIT POSITIONS OF THE PREDETERMINED WORD PERIOD, SECOND CLOCK MEANS CONNECTED ACROSS SAID SECOND DIODE MEANS FOR SUP PLYING PULSES THERETO IN SELECTED DIGIT POSITIONS OF THE PREDETERMINED WORD PERIOD, AND OUTPUT CIRCUIT MEANS CONNECTED ACROSS SAID FIRST AND SECOND DIODE MEANS AND RESPONSIVE TO THE APPLICATION OF PULSES IN NONADJACENT DIGIT POSITIONS TO EACH OF SAID FIRST AND SECOND DIODE MEANS TO PROVIDE AN OUTPUT INDICATION CHARACTERIZED BY THE ABSENCE OF OUTPUT SIGNALS THEREFROM AND RESPONSIVE TO THE APPLICATION OF PULSES IN ADJACENT DIGIT POSITIONS TO ONE OR BOTH OF SAID FIRST AND SECOND DIODE MEANS TO RESPECTIVELY PROVIDE ONE OR TWO PULSE OUTPUT SIGNALS THEREFROM.
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |