Patent US3115583A successfully refreshed from Google Patents.
US3115583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information-gated flip-flop adapted to generate output in response to millimicrosecond sampling pulse from blocking oscillator
Assignee: International Business Machines Corp
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Filing: 1960-04-18
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Granted: 1963-12-24
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Expires: 1980-04-18
Abstract
No abstract record available.
Inventors
- 👤 Donald J Hinkein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:30
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/26; H03K19/00; H03K19/02; H03K19/08; H03K19/082; H03K19/084
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
270 words
A RAPIDLY RESPONSIVE LOGIC COMPONENT FOR USE IN HIGH SPEED ELECTRONIC DIGITAL COMPUTERS OPERATING IN THE BINARY MODE, SAID COMPONENT BEING ADAPTED TO GENERATE OUTPUT SIGNALS AS A FUNCTION OF MILLIMICROSECOND PULSE SIGNALS OF SUBSTANTIALLY CONSTANT TIME DURATION AND INFORMATION-CONVEYING LEVEL SIGNALS OF VARIABLE TIME DURATION AT LEAST TWO TIMES GREATER THAN THE DURATION OF SAID PULSE SIGNALS COMPRISING A TRANSISTOR HAVING EMITTER, BASE AND COLLECTOR ELECTRODES, SAID TRANSISTOR BEING ARRANGED TO PRODUCE AN AMPLIFIED SIGNAL AT SAID COLLECTOR ELECTRODE IN RESPONSE TO A PULSE SIGNAL APPLIED TO SAID BASE ELECTRODE, SAID AMPLIFIED SIGNAL BEING INVERTED IN PHASE WITH RESPECT TO SAID PULSE SIGNAL, A PULSE TRANSFORMER HAVING A PRIMARY WINDING AND A SECONDARY WINDING INDUCTIVELY COUPLED TOGETHER, EACH OF SAID WINDINGS HAVING TWO TERMINALS, ONE TERMINAL OF SAID PRIMARY WINDING BEING CONNECTED TO SAID COLLECTOR ELECTRODE, A LOW IMPEDANCE SOURCE CONNECTED TO APPLY SAID INFORMATION CONVEYING LEVEL SIGNAL OF VARIABLE TIME DURATION DIRECTLY TO THE OTHER TERMINAL OF SAID PRIMARY WINDING TO CONDITION SAID TRANSISTOR VIA SAID COLLECTOR ELECTRODE FOR CONDUCTION IN RESPONSE TO A PULSE APPLIED TO SAID BASE ELECTRODE, AN OUTPUT LINE CONNECTED TO ONE TERMINAL OF SAID SECONDARY WINDING, AND MEANS TO APPLY SAID MILLIMICROSECOND PULSE TO SAID BASE ELECTRODE, SAID SOURCE SUPPLYING CURRENT THROUGH SAID PRIMARY WINDING TO SAID ELEMENT ONLY DURING THE DURATION OF THE PULSE SIGNAL AND ONLY WHEN SAID LEVEL SIGNAL IS BEING APPLIED TO SAID OTHER TERMINAL BY SAID SOURCE AT THE TIME THAT SAID PULSE SIGNAL IS APPLIED TO SAID BASE ELECTRODE SO AS TO INDUCE A VOLTAGE IN SAID SECONDARY WINDING AND APPLY A SIGNAL ON SAID OUTPUT LINE.
Claim 2
Dependent Claim
270 words
A RAPIDLY RESPONSIVE LOGIC COMPONENT FOR USE IN HIGH SPEED ELECTRONIC DIGITAL COMPUTERS OPERATING IN THE BINARY MODE, SAID COMPONENT BEING ADAPTED TO GENERATE OUTPUT SIGNALS AS A FUNCTION OF MILLIMICROSECOND PULSE SIGNALS OF SUBSTANTIALLY CONSTANT TIME DURATION AND INFORMATION-CONVEYING LEVEL SIGNALS OF VARIABLE TIME DURATION AT LEAST TWO TIMES GREATER THAN THE DURATION OF SAID PULSE SIGNALS COMPRISING A TRANSISTOR HAVING EMITTER, BASE AND COLLECTOR ELECTRODES, SAID TRANSISTOR BEING ARRANGED TO PRODUCE AN AMPLIFIED SIGNAL AT SAID COLLECTOR ELECTRODE IN RESPONSE TO A PULSE SIGNAL APPLIED TO SAID BASE ELECTRODE, SAID AMPLIFIED SIGNAL BEING INVERTED IN PHASE WITH RESPECT TO SAID PULSE SIGNAL, A PULSE TRANSFORMER HAVING A PRIMARY WINDING AND A SECONDARY WINDING INDUCTIVELY COUPLED TOGETHER, EACH OF SAID WINDINGS HAVING TWO TERMINALS, ONE TERMINAL OF SAID PRIMARY WINDING BEING CONNECTED TO SAID COLLECTOR ELECTRODE, A LOW IMPEDANCE SOURCE CONNECTED TO APPLY SAID INFORMATION CONVEYING LEVEL SIGNAL OF VARIABLE TIME DURATION DIRECTLY TO THE OTHER TERMINAL OF SAID PRIMARY WINDING TO CONDITION SAID TRANSISTOR VIA SAID COLLECTOR ELECTRODE FOR CONDUCTION IN RESPONSE TO A PULSE APPLIED TO SAID BASE ELECTRODE, AN OUTPUT LINE CONNECTED TO ONE TERMINAL OF SAID SECONDARY WINDING, AND MEANS TO APPLY SAID MILLIMICROSECOND PULSE TO SAID BASE ELECTRODE, SAID SOURCE SUPPLYING CURRENT THROUGH SAID PRIMARY WINDING TO SAID ELEMENT ONLY DURING THE DURATION OF THE PULSE SIGNAL AND ONLY WHEN SAID LEVEL SIGNAL IS BEING APPLIED TO SAID OTHER TERMINAL BY SAID SOURCE AT THE TIME THAT SAID PULSE SIGNAL IS APPLIED TO SAID BASE ELECTRODE SO AS TO INDUCE A VOLTAGE IN SAID SECONDARY WINDING AND APPLY A SIGNAL ON SAID OUTPUT LINE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |