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US3223856A Expired / Lapsed US ⏱️ 0.0 years remaining

Wide range monostable multivibrator

Assignee: Individual
•
Filing: 1963-08-20
•
Granted: 1965-12-14
•
Expires: 1983-08-20
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Abstract

No abstract record available.

Inventors

  • 👤 Ivan L Joy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 17:34
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K3/28; H03K3/281; H03K3/284

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 159 words
IN AN ADJUSTABLE RANGE ONE-SHOT TRANSISTOR MUULTIVIBRATOR HAVING AN INPUT TRANSISTOR INCLUDING BASE, EMITTER AND COLLECTOR ELEMENTS CONNECTED NORMALLY TO BE OFF TO RESPOND TO AN INPUT PULSE AT THE BASE ELEMENT TO BE RENDERED MOMENTARILY CONDUCTING FOR PRODUCING OUTPUT AT THE COLLECTOR ELEMENT, AN OUTPUT TRANSISTOR INCLUDING BASE, EMITTER AND COLLECTOR ELEMENTS CONNECTED NORMALLY TO BE SATURATED AND A COUPLING CIRCUIT CONNECTED TO FEED OUTPUT FROM THE COLLECTOR OF SAID INPUT TRANSISTOR AS INPUT TO THE BASE ELEMENT OF SAID OUTPUT TRANSISTOR TO CAUSE SAID PULSE ACTING THROUGH SAID INPUT TRANSISTOR TO DRIVE SAID OUTPUT TRANSISTOR TO CUT OFF, SAID COUPLING CIRCUUIT INCLUDING A TIMING CAPACITOR, A DIODE, A WIDE RANGE ADJUSTABLE TIMING RESISTOR CONNECTINGV SUPPLY VOLTAGE TO A JUNCTURE OF SAID TIMING CAPACITOR AND SAID DIODE, AND A TRANSISTOR HAVING A BASE CONNECTED THROUGH SAID DIODE TO SAID JUNCTURE, A COLLECTOR CONNECTED TO THE SUPPLY VOLTAGE AND AN EMITTER CONNECTED TO THE BASE OF SAID OUTPUT TRANSISTOR.
Claim 2
Dependent Claim 159 words
IN AN ADJUSTABLE RANGE ONE-SHOT TRANSISTOR MUULTIVIBRATOR HAVING AN INPUT TRANSISTOR INCLUDING BASE, EMITTER AND COLLECTOR ELEMENTS CONNECTED NORMALLY TO BE OFF TO RESPOND TO AN INPUT PULSE AT THE BASE ELEMENT TO BE RENDERED MOMENTARILY CONDUCTING FOR PRODUCING OUTPUT AT THE COLLECTOR ELEMENT, AN OUTPUT TRANSISTOR INCLUDING BASE, EMITTER AND COLLECTOR ELEMENTS CONNECTED NORMALLY TO BE SATURATED AND A COUPLING CIRCUIT CONNECTED TO FEED OUTPUT FROM THE COLLECTOR OF SAID INPUT TRANSISTOR AS INPUT TO THE BASE ELEMENT OF SAID OUTPUT TRANSISTOR TO CAUSE SAID PULSE ACTING THROUGH SAID INPUT TRANSISTOR TO DRIVE SAID OUTPUT TRANSISTOR TO CUT OFF, SAID COUPLING CIRCUUIT INCLUDING A TIMING CAPACITOR, A DIODE, A WIDE RANGE ADJUSTABLE TIMING RESISTOR CONNECTINGV SUPPLY VOLTAGE TO A JUNCTURE OF SAID TIMING CAPACITOR AND SAID DIODE, AND A TRANSISTOR HAVING A BASE CONNECTED THROUGH SAID DIODE TO SAID JUNCTURE, A COLLECTOR CONNECTED TO THE SUPPLY VOLTAGE AND AN EMITTER CONNECTED TO THE BASE OF SAID OUTPUT TRANSISTOR.

References Cited (Backward Citations)

US2987632A Cited
US3068406A Cited
DE1126919B Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-13 1969-06-14 1969-12-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-13 1973-06-14 1973-12-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-13 1977-06-14 1977-12-14 $7700.00 Window Closed / Lapsed

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