Patent US3226568A successfully refreshed from Google Patents.
US3226568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gating means for passing a predetermined number of pulses
Assignee: Friden Inc
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Filing: 1962-03-16
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Granted: 1965-12-28
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Expires: 1982-03-16
Abstract
No abstract record available.
Inventors
- 👤 Jan A Samwel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:37
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/156
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN COMBINATION IN A CONTROL SYSTEM FOR GATING PULSES, (A) A PULSE GENERATOR FOR GENERATING A SERIES OF PULSES, EACH BEGINNING WITH A SWING IN THE DIRECTION OF ONE POLARITY AND ENDING WITH A SWING IN THE DIRECTION OF THE OPPOSITE POLARITY, (B) A BISTABLE FLIP-FLOP OPERABLE TO "ON" AND "OF" STATES ALTERNATELY, SAID FLIP-FLOP HAVING AN "ON" INPUT DRIVABLE BY A SWING OF AN INPUT SIGNAL TOWARD SAID OPPOSITE POLARITY FOR OPERATING SAID FLIP-FLOP TO SAID "ON" STATE, AND A SEPARATE "OFF" INPUT DRIVABLE BY A SWING OF AN INPUT SIGNAL TOWARD SAID OPPOSITE POLARITY FOR OPERATING SAID FLIP-FLOP TO SAID "OFF" CONDITION, SAID FLIP-FLOP BEING SO CONSTRUCTED AND DIMENSIONED THAT IT IS OPERABLE AS AFORESAID ONLY IN RESPONSE TO SWINGS OF INPUT SIGNALS TOWARD SAID OPPOSITE DIRECTION, (C) A FIRST GATE CONNECTED BETWEEN SAID GENERATOR AND SAID "ON" INPUT OF SAID FLIP-FLOP, (D) A CONTROL SIGNAL MEANS FOR APPLYING A CONTROL SIGNAL TO SAID FIRST GATE FOR ENABLING IT FOR PASSING A
Claim 2
Dependent Claim
164 words
IN COMBINATION IN A CONTROL SYSTEM FOR GATING PULSES, (A) A PULSE GENERATOR FOR GENERATING A SERIES OF PULSES, EACH BEGINNING WITH A SWING IN THE DIRECTION OF ONE POLARITY AND ENDING WITH A SWING IN THE DIRECTION OF THE OPPOSITE POLARITY, (B) A BISTABLE FLIP-FLOP OPERABLE TO "ON" AND "OF" STATES ALTERNATELY, SAID FLIP-FLOP HAVING AN "ON" INPUT DRIVABLE BY A SWING OF AN INPUT SIGNAL TOWARD SAID OPPOSITE POLARITY FOR OPERATING SAID FLIP-FLOP TO SAID "ON" STATE, AND A SEPARATE "OFF" INPUT DRIVABLE BY A SWING OF AN INPUT SIGNAL TOWARD SAID OPPOSITE POLARITY FOR OPERATING SAID FLIP-FLOP TO SAID "OFF" CONDITION, SAID FLIP-FLOP BEING SO CONSTRUCTED AND DIMENSIONED THAT IT IS OPERABLE AS AFORESAID ONLY IN RESPONSE TO SWINGS OF INPUT SIGNALS TOWARD SAID OPPOSITE DIRECTION, (C) A FIRST GATE CONNECTED BETWEEN SAID GENERATOR AND SAID "ON" INPUT OF SAID FLIP-FLOP, (D) A CONTROL SIGNAL MEANS FOR APPLYING A CONTROL SIGNAL TO SAID FIRST GATE FOR ENABLING IT FOR PASSING A
References Cited (Backward Citations)
US2912585A
Cited
US3151252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |