US3284772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data correlation apparatus employing cathode-ray tube input and variable resistance data storage and comparison
Assignee: Space-General Corp
•
Filing: 1961-11-22
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Granted: 1966-11-08
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Expires: 1981-11-22
Abstract
No abstract record available.
Inventors
- 👤 Robert M Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:47
CPC Classifications
G; G06; G06V; G06V30/00; G06V30/10; G06V30/19; G06V30/192; G06V30/195
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A DATA CORRELATION SYSTEM WHEREIN AN UNKNOWN BIT OF DATA IS IDENTIFIED BY COMPARISON WITH KNOW BITS OF DATA, SAID SYSTEM COMPRISING: APPARATUS FOR PROJECTING AN ELECTRON-BEAM IN A PATTERN THAT CORRESPONDS TO AN UNKNOWN BIT OF DATA; A MEMORY IN WHICH THE KNOWN BITS OF DATA ARE STORED AS VARIABLE CONDUCTIVITY PATTERNS; MEANS FOR APPLYING THE SAME POSITIVE POTENTIAL TO ALL OF SAID VARIABLE CONDUCTIVITY PATTERNS; ELECTRICALLY CONDUCTIVE MEANS FOR COUPLING SAID VARIABLE-CONDUCTIVITY PATERNS IN PARALLEL TO SAID PROJECTED ELECTRON-BEAM PATTERNS TO SIMULTANEOUSLY COMPARE SAID STORED PATTERNS WITH SAID PROJECTED PATTERN, WHERE DIFFERNET AMOUNTS OF ELECTRICAL CURRENT PASS THROUGH SAID STORED PATTERNS WITH THE MAXIMUM AMOUNT OF CURRENT PASSING THROUGH WHEREAT THE CONDUCTIVITY PATTERN AND THE
Claim 2
Dependent Claim
117 words
A DATA CORRELATION SYSTEM WHEREIN AN UNKNOWN BIT OF DATA IS IDENTIFIED BY COMPARISON WITH KNOW BITS OF DATA, SAID SYSTEM COMPRISING: APPARATUS FOR PROJECTING AN ELECTRON-BEAM IN A PATTERN THAT CORRESPONDS TO AN UNKNOWN BIT OF DATA; A MEMORY IN WHICH THE KNOWN BITS OF DATA ARE STORED AS VARIABLE CONDUCTIVITY PATTERNS; MEANS FOR APPLYING THE SAME POSITIVE POTENTIAL TO ALL OF SAID VARIABLE CONDUCTIVITY PATTERNS; ELECTRICALLY CONDUCTIVE MEANS FOR COUPLING SAID VARIABLE-CONDUCTIVITY PATERNS IN PARALLEL TO SAID PROJECTED ELECTRON-BEAM PATTERNS TO SIMULTANEOUSLY COMPARE SAID STORED PATTERNS WITH SAID PROJECTED PATTERN, WHERE DIFFERNET AMOUNTS OF ELECTRICAL CURRENT PASS THROUGH SAID STORED PATTERNS WITH THE MAXIMUM AMOUNT OF CURRENT PASSING THROUGH WHEREAT THE CONDUCTIVITY PATTERN AND THE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |