Patent US3576393A successfully refreshed from Google Patents.
Patent US3205349A successfully refreshed from Google Patents.
US3205349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Function generator
Assignee: Electronic Associates Inc
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Filing: 1961-10-02
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Granted: 1965-09-07
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Expires: 1981-10-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Bryan
- 👤 Charles R Killian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:53
CPC Classifications
G; G06; G06F; G06F1/00; G06F1/02; G06F2101/00; G06F2101/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
IN A SYSTEM FOR GENERATING RECTANGULAR COORDINATE FUNCTIONS FOR APPLICATION TO THE X AND Y INPUT TERMINALS OF A RECTANGULAR COORDINATE PLOTTING DEVICE, THE COMBINATION COMPRISING A SOURCE OF DATA PROVIDING ELECTRICAL SIGNALS CORRESPONDING TO THE LINE PARAMETERS X0, Y0, A, B AND T, WHEREIN XO AND YO CORRESPOND TO THE RECTANGULAR COORDINATE ORIGIN OF A LINE, A AND B CORRESPOND RESPECTIVELY TO THE ORDINATE AND ABSCISSA OF THE LINE, AND T CORRESPONDS TO THE LENGTH OF THE LINE, MEANS CONNECTED TO SAID SOURCE OF DATA AND RESPONSIVE TO SAID A AND B SIGNALS FOR GENERATING A RATE SIGNAL WHICH IS PROPORTIONAL TO THE LARGER OF THE PARAMETERS A OR B, FIRST MEANS CONNECTED TO THE X INPUT TERMINAL FORO ATTENUATING SAID RATE SIGNAL IN PROPORTION TO THE AMPLITUDE OF SAID PARAMETER A AND FOR SUMMING SAME WITH THE ELECTRICAL SIGNAL WHICH CORRESPONDS TO SAID PARAMETER XO, SECOND MEANS CONNECTED TO THE Y INPUT TERMINAL FOR ATTENUATING SAID RATE SIGNAL IN PROPORTION TO THE AMPLITUDE OF SAID PARAMETER B AND FOR SUMMING SAME WITH THE ELECTRICAL SIGNAL WHICH CORRESPONDS TO YO, AND TIMING MEANS INCLUDING A SWITCHING ELEMENT OPERATIVE IN RESPONSE TO THE AMPLITUDE OF SAID T SIGNAL FOR CONNECTING SAID GENERATING MEANS TO SAID FIRST AND SECOND MEANS.
Claim 2
Dependent Claim
209 words
IN A SYSTEM FOR GENERATING RECTANGULAR COORDINATE FUNCTIONS FOR APPLICATION TO THE X AND Y INPUT TERMINALS OF A RECTANGULAR COORDINATE PLOTTING DEVICE, THE COMBINATION COMPRISING A SOURCE OF DATA PROVIDING ELECTRICAL SIGNALS CORRESPONDING TO THE LINE PARAMETERS X0, Y0, A, B AND T, WHEREIN XO AND YO CORRESPOND TO THE RECTANGULAR COORDINATE ORIGIN OF A LINE, A AND B CORRESPOND RESPECTIVELY TO THE ORDINATE AND ABSCISSA OF THE LINE, AND T CORRESPONDS TO THE LENGTH OF THE LINE, MEANS CONNECTED TO SAID SOURCE OF DATA AND RESPONSIVE TO SAID A AND B SIGNALS FOR GENERATING A RATE SIGNAL WHICH IS PROPORTIONAL TO THE LARGER OF THE PARAMETERS A OR B, FIRST MEANS CONNECTED TO THE X INPUT TERMINAL FORO ATTENUATING SAID RATE SIGNAL IN PROPORTION TO THE AMPLITUDE OF SAID PARAMETER A AND FOR SUMMING SAME WITH THE ELECTRICAL SIGNAL WHICH CORRESPONDS TO SAID PARAMETER XO, SECOND MEANS CONNECTED TO THE Y INPUT TERMINAL FOR ATTENUATING SAID RATE SIGNAL IN PROPORTION TO THE AMPLITUDE OF SAID PARAMETER B AND FOR SUMMING SAME WITH THE ELECTRICAL SIGNAL WHICH CORRESPONDS TO YO, AND TIMING MEANS INCLUDING A SWITCHING ELEMENT OPERATIVE IN RESPONSE TO THE AMPLITUDE OF SAID T SIGNAL FOR CONNECTING SAID GENERATING MEANS TO SAID FIRST AND SECOND MEANS.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |