US3281822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Character alignment and proportional spacing system
Assignee: AB Dick Co
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Filing: 1963-08-30
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Granted: 1966-10-25
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Expires: 1983-08-30
Abstract
No abstract record available.
Inventors
- 👤 William E Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:08
CPC Classifications
B; B41; B41B; B41B19/00; B41B19/01; G; G09; G09G; G09G1/00; G09G1/06; G09G1/14; G09G1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
IN A SYSTEM FOR DISPLAYING CHARACTERS ON A CATHODE RAY TUBE FROM ELECTRONICALLY DERIVED CHARACTER SIGNALS WHEREIN VIDEO SIGNALS REPRESENTATIVE OF DESIRED CHARACTERS ARE DERIVED FROM A MONOSCOPE TUBE BY SUCCESSIVELY INDEXING THE CATHODE RAY BEAM OF SAID MONOSCOPE TUBE TO THE REGIONS OF THE TARGET OF SAID MONOSCOPE TUBE ON WHICH ONE OF SAID CHARACTERS IS SCRIBED, APPARATUS FOR COMPENSATING FOR DEFECTS IN THE INDEXING OF SAID MONOSCOPE TUBE AND FOR DISPLAYING EACH OF SAID CHARACTERS IN A SPACE PROPORTIONAL TO THE REGION IN WHICH THE CHARACTER IS SCRIBED ON SAID MONOSCOPE TUBE TARGET COMPRISING MEANS FOR GENERATING VERTICAL AND HORIZONTAL SCANNING RASTER DEFLECTION SIGNALS FOR SAID CATHODE RAY TUBE ONLY AFTER THE CATHODE RAY BEAM IN SAID MONOSCOPE TUBE HAS TRAVERSED A LINEAR REGION OF THE MONOSCOPE TARGET WHICH HAS A PREDETERMINED LOCATION WITH RESPECT TO A PREDETERMINED CHARACTER BEING SCANNED, AND MEANS FOR APPLYING SAID GENERATED VERTICAL AND HORIZONTAL RASTER SCAN VOLTAGE TO SAID CATHODE RAY TUBE.
Claim 2
Dependent Claim
160 words
IN A SYSTEM FOR DISPLAYING CHARACTERS ON A CATHODE RAY TUBE FROM ELECTRONICALLY DERIVED CHARACTER SIGNALS WHEREIN VIDEO SIGNALS REPRESENTATIVE OF DESIRED CHARACTERS ARE DERIVED FROM A MONOSCOPE TUBE BY SUCCESSIVELY INDEXING THE CATHODE RAY BEAM OF SAID MONOSCOPE TUBE TO THE REGIONS OF THE TARGET OF SAID MONOSCOPE TUBE ON WHICH ONE OF SAID CHARACTERS IS SCRIBED, APPARATUS FOR COMPENSATING FOR DEFECTS IN THE INDEXING OF SAID MONOSCOPE TUBE AND FOR DISPLAYING EACH OF SAID CHARACTERS IN A SPACE PROPORTIONAL TO THE REGION IN WHICH THE CHARACTER IS SCRIBED ON SAID MONOSCOPE TUBE TARGET COMPRISING MEANS FOR GENERATING VERTICAL AND HORIZONTAL SCANNING RASTER DEFLECTION SIGNALS FOR SAID CATHODE RAY TUBE ONLY AFTER THE CATHODE RAY BEAM IN SAID MONOSCOPE TUBE HAS TRAVERSED A LINEAR REGION OF THE MONOSCOPE TARGET WHICH HAS A PREDETERMINED LOCATION WITH RESPECT TO A PREDETERMINED CHARACTER BEING SCANNED, AND MEANS FOR APPLYING SAID GENERATED VERTICAL AND HORIZONTAL RASTER SCAN VOLTAGE TO SAID CATHODE RAY TUBE.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |