US3091759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Symbol generator
Assignee: Skiatron Electronics and Television Corp
•
Filing: 1958-12-16
•
Granted: 1963-05-28
•
Expires: 1978-12-16
Abstract
No abstract record available.
Inventors
- 👤 William J Shanahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:43
CPC Classifications
G; G08; G08C; G08C21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
IN APPARATUS FOR GENERATING CONCURRENT X AND Y COORDINATE SIGNALS FOR TRACING A SYMBOL ON A DISPLAY, STATIONARY MASK MEANS HAVING TWO SEPARATED PROFILE EDGES EACH OF DIFFERENT VARYING CONTOUR WITH EACH HAVING A BASE AXIS, SAID BASE AXES BEING PARALLEL, MEANS FOR GENERATING ENERGY AND FOR IMPINGING SAME UPON SAID MASK MEANS, MEANS FOR IMPARTING MOTION TO SAID ENERGY IN A DIRECTION SUBSTANTIALLY PARALLEL TO SAID AXES, MEANS FOR IMPARTING MOTION TO SAID ENERGY IN A DIRECTION TRANSVERSE TO THE FIRST MENTIONED DIRECTION OF MOTION TO CAUSE SAID ENERGY TO INTERCEPT BOTH SAID PROFILE EDGES CONTINUALLY DURING MOVEMENT OF SAID ENERGY IN THE SAID FIRST DIRECTION, MEANS FOR FOCUSING SAID ENERGY IN THE REGION OF SAID PROFILE EDGES TO A GIVEN DIMENSION, THE RANGE OF EXCURSIONS OF EACH PROFILE EDGE AWAY FROM SAID AXIS THEREOF BEING GREATER THAN SAID DIMENSION OF SAID ENERGY SOURCE, SAID MEANS RESPONSIVE TO INTERCEPTIONS OF SAID ENERGY WITH THE SAID PROFILE EDGES FOR SIMULTANEOUSLY GENERATING THE SAID COORDINATE SIGNALS FOR SAID DISPLAY.
Claim 2
Dependent Claim
168 words
IN APPARATUS FOR GENERATING CONCURRENT X AND Y COORDINATE SIGNALS FOR TRACING A SYMBOL ON A DISPLAY, STATIONARY MASK MEANS HAVING TWO SEPARATED PROFILE EDGES EACH OF DIFFERENT VARYING CONTOUR WITH EACH HAVING A BASE AXIS, SAID BASE AXES BEING PARALLEL, MEANS FOR GENERATING ENERGY AND FOR IMPINGING SAME UPON SAID MASK MEANS, MEANS FOR IMPARTING MOTION TO SAID ENERGY IN A DIRECTION SUBSTANTIALLY PARALLEL TO SAID AXES, MEANS FOR IMPARTING MOTION TO SAID ENERGY IN A DIRECTION TRANSVERSE TO THE FIRST MENTIONED DIRECTION OF MOTION TO CAUSE SAID ENERGY TO INTERCEPT BOTH SAID PROFILE EDGES CONTINUALLY DURING MOVEMENT OF SAID ENERGY IN THE SAID FIRST DIRECTION, MEANS FOR FOCUSING SAID ENERGY IN THE REGION OF SAID PROFILE EDGES TO A GIVEN DIMENSION, THE RANGE OF EXCURSIONS OF EACH PROFILE EDGE AWAY FROM SAID AXIS THEREOF BEING GREATER THAN SAID DIMENSION OF SAID ENERGY SOURCE, SAID MEANS RESPONSIVE TO INTERCEPTIONS OF SAID ENERGY WITH THE SAID PROFILE EDGES FOR SIMULTANEOUSLY GENERATING THE SAID COORDINATE SIGNALS FOR SAID DISPLAY.
References Cited (Backward Citations)
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Cited
US2455532A
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US2528020A
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US2872669A
Cited
US2907018A
Cited
US2844759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |