US3275804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computing apparatus
Assignee: University of California Berkeley
•
Filing: 1960-10-24
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Granted: 1966-09-27
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Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Folsom
- 👤 Richard A Cramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:43
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
IN A DATA TRANSFER SYSTEM, THE COMBINATION OF: DUAL TRACK TAPE MEANS TO CARRY A RECORDING OF SYNCHRONIZING PULSES AND INFORMATION PULSES, WHEREIN A SINGLE SYNCHONIZING PULSE PRECEEDS THE FIRST INFORMATION PULSE PAST A PREDETERMINED POINT; PICKUP DEVICES FOR THE RESPECTIVE TRACKS; AMPLIFIER AND PULSE SHAPING NETWORKS COUPLED TO EACH PICKUP DEVICE; A PAIR OF MULTI-CATHODE GLOW TUBES; GATING DEVICES COUPLED TO CATHODES OF SAID GLOW TUBES; A THIRD MULTI-CATHODE FLOW TUBE; A SET-RESET MULTIVIBRATOR COUPLED TO THE LAST OF THE CATHODES OF SAID THIRD TUBE; GATE MEANS CONNECTED BETWEEN SAID SET-RESET MULTIVIBRATOR AND THE AMPLIFIER AND PULSE SHAPER NETWORK FOR THE INFORMATION PULSES; A CONNECTION FROM THE LAST CATHODE OF ONE OF SAID PAIR OF GLOW TUBES TO SAID SET-RESET MULTIVIBRATOR; MEANS COUPLED TO THE AMPLIFIER AND PULSE SHAPER NETWORK FOR THE SYNCHRONIZING PULSE FOR CONTROLLING THE STATE OF COUDUCTION OF SAID THIRD TUBE; AND RESPECTIVE MEANS COUPLED TO SAID GATE MEANS TO ESTABLISH GATING PULSES TO BE PASSED BY THE OPERABLE GATING DEVICE.
Claim 2
Dependent Claim
165 words
IN A DATA TRANSFER SYSTEM, THE COMBINATION OF: DUAL TRACK TAPE MEANS TO CARRY A RECORDING OF SYNCHRONIZING PULSES AND INFORMATION PULSES, WHEREIN A SINGLE SYNCHONIZING PULSE PRECEEDS THE FIRST INFORMATION PULSE PAST A PREDETERMINED POINT; PICKUP DEVICES FOR THE RESPECTIVE TRACKS; AMPLIFIER AND PULSE SHAPING NETWORKS COUPLED TO EACH PICKUP DEVICE; A PAIR OF MULTI-CATHODE GLOW TUBES; GATING DEVICES COUPLED TO CATHODES OF SAID GLOW TUBES; A THIRD MULTI-CATHODE FLOW TUBE; A SET-RESET MULTIVIBRATOR COUPLED TO THE LAST OF THE CATHODES OF SAID THIRD TUBE; GATE MEANS CONNECTED BETWEEN SAID SET-RESET MULTIVIBRATOR AND THE AMPLIFIER AND PULSE SHAPER NETWORK FOR THE INFORMATION PULSES; A CONNECTION FROM THE LAST CATHODE OF ONE OF SAID PAIR OF GLOW TUBES TO SAID SET-RESET MULTIVIBRATOR; MEANS COUPLED TO THE AMPLIFIER AND PULSE SHAPER NETWORK FOR THE SYNCHRONIZING PULSE FOR CONTROLLING THE STATE OF COUDUCTION OF SAID THIRD TUBE; AND RESPECTIVE MEANS COUPLED TO SAID GATE MEANS TO ESTABLISH GATING PULSES TO BE PASSED BY THE OPERABLE GATING DEVICE.
References Cited (Backward Citations)
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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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |