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US3075149A Expired / Lapsed US ⏱️ 0.0 years remaining

Voltage and frequency memory system

Assignee: RCA Corp
•
Filing: 1961-05-03
•
Granted: 1963-01-22
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Expires: 1981-05-03
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Thomas G Marshall

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 06:29
CPC Classifications
G; G11; G11C; G11C27/00; G11C27/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 141 words
AN ELECTRICAL MEMORY SYSTEM FOR PROVIDING VOLTAGE AND FREQUENCY MEMORY, COMPRISING IN COMBINATION, A MONOSTABLE BLOCKING OSCILLATOR INCLUDING A TRANSISTOR ELEMENT HAVING A BASE TO COLLECTOR FEEDBACK CIRCUIT AND HAVING A COMMON GROUNDED EMITTER CIRCUIT, MEANS FOR APPLYING SYNCHRONIZING SIGNAL PULSES TO SAID OSCILLATOR FOR OPERATION AT SUB-HARMONIC FREQUENCIES THEREOF, A BASE RESISTOR CONNECTED SERIALLY IN SAID BASE CIRCUIT, AN INPUTOUTPUT CIRCUIT FOR APPLIED CONTROL AND OUTPUT VOLTAGES, MEANS INCLUDING AN INTEGRATING CIRCUIT COUPLED TO THE COLLECTOR CIRCUIT AND A DIODE PEAK DETECTOR COUPLED BETWEEN SAID INTEGRATING CIRCUIT AND SAID INPUT-OUTPUT CIRCUIT FOR DERIVING GATING SIGNAL PULSES FOR SAID OSCILLATOR ACROSS SAID BASE RESISTOR AND A QUANTIZED OUTPUT VOLTAGE AT SAID INPUT-OUTPUT CIRCUIT, AND SAID OUTPUT VOLTAGE AND THE RESULTING OUTPUT FREQUENCY BEING CONSTANT IN THE ABSENSE OF CONTROL VOLTAGE LEVEL CHANGE, WHEREBY THE SYSTEM HAS BOTH VOLTAGE AND FREQUENCY MEMORY.
Claim 2
Dependent Claim 141 words
AN ELECTRICAL MEMORY SYSTEM FOR PROVIDING VOLTAGE AND FREQUENCY MEMORY, COMPRISING IN COMBINATION, A MONOSTABLE BLOCKING OSCILLATOR INCLUDING A TRANSISTOR ELEMENT HAVING A BASE TO COLLECTOR FEEDBACK CIRCUIT AND HAVING A COMMON GROUNDED EMITTER CIRCUIT, MEANS FOR APPLYING SYNCHRONIZING SIGNAL PULSES TO SAID OSCILLATOR FOR OPERATION AT SUB-HARMONIC FREQUENCIES THEREOF, A BASE RESISTOR CONNECTED SERIALLY IN SAID BASE CIRCUIT, AN INPUTOUTPUT CIRCUIT FOR APPLIED CONTROL AND OUTPUT VOLTAGES, MEANS INCLUDING AN INTEGRATING CIRCUIT COUPLED TO THE COLLECTOR CIRCUIT AND A DIODE PEAK DETECTOR COUPLED BETWEEN SAID INTEGRATING CIRCUIT AND SAID INPUT-OUTPUT CIRCUIT FOR DERIVING GATING SIGNAL PULSES FOR SAID OSCILLATOR ACROSS SAID BASE RESISTOR AND A QUANTIZED OUTPUT VOLTAGE AT SAID INPUT-OUTPUT CIRCUIT, AND SAID OUTPUT VOLTAGE AND THE RESULTING OUTPUT FREQUENCY BEING CONSTANT IN THE ABSENSE OF CONTROL VOLTAGE LEVEL CHANGE, WHEREBY THE SYSTEM HAS BOTH VOLTAGE AND FREQUENCY MEMORY.

References Cited (Backward Citations)

US2817061A Cited
US3022469A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-01-21 1966-07-23 1967-01-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-01-21 1970-07-23 1971-01-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-01-21 1974-07-23 1975-01-22 $7700.00 Window Closed / Lapsed

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