US3148451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pen speed anticipating circuit
Assignee: Raytheon Co
•
Filing: 1961-12-29
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Granted: 1964-09-15
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Expires: 1981-12-29
Abstract
No abstract record available.
Inventors
- 👤 John R Morris
- 👤 Jr Leo E Rainville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:15
CPC Classifications
B; B43; B43L; B43L13/00; B43L13/02; B43L13/022; G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/19; G05B19/33; G05B19/37; G05B19/371; G06; G06K; G06K11/00; G06K11/02; G05B2219/00; G05B2219/30; G05B2219/35; G05B2219/35356
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A DRAFTING MACHINE, COMPRISING: A FUNCTION GENERATOR HAVING A SINE VOLTAGE OUTPUT CIRCUIT AND A COSINE VOLTAGE OUTPUT CIRCUIT; FREQUENCY CONTROL MEANS COUPLED TO SAID FUNCTION GENERATOR TO CONTROL THE FREQUENCY THEREOF; A PLOTTER HAVING X INPUT MEANS AND Y INPUT MEANS COUPLED TO AT LEAST ONE OF SAID OUTPUT CIRCUITS AND HAVING A SINGLE OUTPUT MEMBER COUPLED TO BOTH OF SAID X INPUT MEANS AND SAID Y INPUT MEANS AND CONTROLLED THEREBY; A LINE DRAWING DEVICE SUPPORTED BY SAID OUTPUT MEMBER FOR MOVEMENT BETWEEN LINE DRAWING AND INOPERATIVE POSITIONS; FIRST AND SECOND AMPLITUDE MODULATION MEANS COUPLED TO SAID SINE VOLTAGE OUTPUT CIRCUIT AND SAID COSINE VOLTAGE OUTPUT CIRCUIT, RESPECTIVELY; SUMMING MEANS COUPLED TO SAID FIRST AND SAID SECOND AMPLITUDE MODULATION MEANS FOR PRODUCING A TIME
Claim 2
Dependent Claim
126 words
A DRAFTING MACHINE, COMPRISING: A FUNCTION GENERATOR HAVING A SINE VOLTAGE OUTPUT CIRCUIT AND A COSINE VOLTAGE OUTPUT CIRCUIT; FREQUENCY CONTROL MEANS COUPLED TO SAID FUNCTION GENERATOR TO CONTROL THE FREQUENCY THEREOF; A PLOTTER HAVING X INPUT MEANS AND Y INPUT MEANS COUPLED TO AT LEAST ONE OF SAID OUTPUT CIRCUITS AND HAVING A SINGLE OUTPUT MEMBER COUPLED TO BOTH OF SAID X INPUT MEANS AND SAID Y INPUT MEANS AND CONTROLLED THEREBY; A LINE DRAWING DEVICE SUPPORTED BY SAID OUTPUT MEMBER FOR MOVEMENT BETWEEN LINE DRAWING AND INOPERATIVE POSITIONS; FIRST AND SECOND AMPLITUDE MODULATION MEANS COUPLED TO SAID SINE VOLTAGE OUTPUT CIRCUIT AND SAID COSINE VOLTAGE OUTPUT CIRCUIT, RESPECTIVELY; SUMMING MEANS COUPLED TO SAID FIRST AND SAID SECOND AMPLITUDE MODULATION MEANS FOR PRODUCING A TIME
References Cited (Backward Citations)
US2707143A
Cited
US2829329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |