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US3305733A Expired / Lapsed US ⏱️ 0.0 years remaining

Complementary symmetry differential pulse integrator

Assignee: Unisys Corp
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Filing: 1963-07-01
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Granted: 1967-02-21
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Expires: 1983-07-01
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Abstract

No abstract record available.

Inventors

  • 👤 Dale M Jahn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:10
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/184

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 173 words
A DIFFERENTIAL PULSE INTEGRATOR COMPRISING A FIRST TRANSISTOR, A SECOND TRANSISTOR OF CONDUCTIVITY TYPE OPPOSITE TO THAT OF SAID FIRST TRANSISTOR, EACH TRANSISTOR HAVING BASE, EMITTER AND COLLECTOR ELECTRODES, THE COLLECTOR ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS BEING CONNECTED TO EACH OTHER AT A FIRST JUNCTION, MEANS CONNECTED TO THE BASE AND EMITTER ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS TO BIAS SAID FIRST AND SECOND TRANSISTORS TO CUT-OFF, A FIRST SOURCE FOR PRODUCING A FIRST TRAIN OF PULSES, A SECOND SOURCE INDEPENDENT OF SAID FIRST SOURCE FOR PRODUCING A SECOND TRAIN OF PULSES, THE PULSES OF SAID SECOND TRAIN HAVING AREAS INDEPENDENT OF THE AREAS OF THE PULSES OF SAID FIRST TRAIN, SAID SOURCE BEING CONNECTED TO EACH OTHER AT A SECOND JUNCTION, A CAPACITOR FOR APPLYING SAID FIRST TRAIN OF PULSES BETWEEN THE BASE AND EMITTER ELECTRODES OF SAID FIRST TRANSISTOR, A CAPACITOR FOR APPLYING SAID SECOND TRAIN OF PULSES BETWEEN THE BASE AND EMITTER ELECTRODES OF SAID SECOND TRANSISTOR AND A CAPACITOR CONNECTED BETWEEN SAID FIRST AND SECOND JUNCTIONS.
Claim 2
Dependent Claim 173 words
A DIFFERENTIAL PULSE INTEGRATOR COMPRISING A FIRST TRANSISTOR, A SECOND TRANSISTOR OF CONDUCTIVITY TYPE OPPOSITE TO THAT OF SAID FIRST TRANSISTOR, EACH TRANSISTOR HAVING BASE, EMITTER AND COLLECTOR ELECTRODES, THE COLLECTOR ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS BEING CONNECTED TO EACH OTHER AT A FIRST JUNCTION, MEANS CONNECTED TO THE BASE AND EMITTER ELECTRODES OF SAID FIRST AND SECOND TRANSISTORS TO BIAS SAID FIRST AND SECOND TRANSISTORS TO CUT-OFF, A FIRST SOURCE FOR PRODUCING A FIRST TRAIN OF PULSES, A SECOND SOURCE INDEPENDENT OF SAID FIRST SOURCE FOR PRODUCING A SECOND TRAIN OF PULSES, THE PULSES OF SAID SECOND TRAIN HAVING AREAS INDEPENDENT OF THE AREAS OF THE PULSES OF SAID FIRST TRAIN, SAID SOURCE BEING CONNECTED TO EACH OTHER AT A SECOND JUNCTION, A CAPACITOR FOR APPLYING SAID FIRST TRAIN OF PULSES BETWEEN THE BASE AND EMITTER ELECTRODES OF SAID FIRST TRANSISTOR, A CAPACITOR FOR APPLYING SAID SECOND TRAIN OF PULSES BETWEEN THE BASE AND EMITTER ELECTRODES OF SAID SECOND TRANSISTOR AND A CAPACITOR CONNECTED BETWEEN SAID FIRST AND SECOND JUNCTIONS.

References Cited (Backward Citations)

US3125694A Cited
US2860193A Cited
US2864961A Cited
US3169194A Cited
US3231827A Cited
US3195068A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-20 1970-08-22 1971-02-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-20 1974-08-22 1975-02-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-20 1978-08-22 1979-02-21 $7700.00 Window Closed / Lapsed

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