US3293637A
Expired / Lapsed
US
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Assignee: EASTERN AIR DEVICES Inc
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Filing: 1963-11-12
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Granted: 1966-12-20
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Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Abbott Arthur Robert
- 👤 Jr Willis E Littlefield
- 👤 Jr George L Chapman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:28
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/22; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19555
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
IN AN ANALOG-TO-DIGITAL CONVERTER, A HOUSING, AN INPUT SHAFT ROTATABLY MOUNTED IN SAID HOUSING, A PLURALITY OF DISK-SHAPED CODE MEMBERS EACH OF WHICH BEARS ON ONE OF ITS SURFACES ALTERNATELY-POSITIONED ELECTRICALLY INSULATING AND CONDUCTIVE SECTIONS ARRANGED IN CONCENTRIC ROWS IN A PATTERN ADAPTED TO PROVIDE A DIGITALLY-CODED ELECTRICAL OUTPUT WHEN SAID CODE MEMBER IS ELECTRICALLY ENERGIZED AND ALIGNED WITH BRUSHING ELECTRICAL CONTACTS POSITIONED TO CONTACT SELECTED PORTIONS OF EACH OF SAID ROWS OF SECTION AND ADAPTED TO SENSE THE CODED INFORMATION APPEARING ON SAID CODE MEMBERS, A PLURALITY OF BRUSHING ELECTRICAL CONTACTS FOR DETECTING THE CODED INFORMATION PROVIDED BY SAID CODE MEMBERS, A PLURALITY OF BRUSH-BLOCKS SECURED TO SAID HOUSING, SAID BRUSHING CONTACTS BEING MOUNTED IN A PREDETERMINED, CODE-SENSING PATTERN ON SAID BRUSHBLOCKS, A PLURALITY OF SOLID, SUBSTANTIALLY INFLEXIBLE ELECTRICALLY CONDUCTIVE MEMBERS ELECTRICALLY CONNECTED TO SAID BRUSHING CONTACTS FOR TRANSMITTING CODED ELECTRICAL SIGNALS FROM SAID BRUSHING CONTACTS, SAID CONDUCTIVE MEMBERS EXTENDING BETWEEN AND BEING SECURED TO SAID BRUSH-BLOCKS TO MAKE ELECTRICAL CONNECTIONS BETWEEN SAID BRUSH-BLOCKS AND TO ADD STRUCTURAL STABILITY TO SAID CONVERTER APPARATUS, AND ELECTRICALLY CONDUCTIVE PINS EXTENDING OUTWARDLY FROM
Claim 2
Dependent Claim
181 words
IN AN ANALOG-TO-DIGITAL CONVERTER, A HOUSING, AN INPUT SHAFT ROTATABLY MOUNTED IN SAID HOUSING, A PLURALITY OF DISK-SHAPED CODE MEMBERS EACH OF WHICH BEARS ON ONE OF ITS SURFACES ALTERNATELY-POSITIONED ELECTRICALLY INSULATING AND CONDUCTIVE SECTIONS ARRANGED IN CONCENTRIC ROWS IN A PATTERN ADAPTED TO PROVIDE A DIGITALLY-CODED ELECTRICAL OUTPUT WHEN SAID CODE MEMBER IS ELECTRICALLY ENERGIZED AND ALIGNED WITH BRUSHING ELECTRICAL CONTACTS POSITIONED TO CONTACT SELECTED PORTIONS OF EACH OF SAID ROWS OF SECTION AND ADAPTED TO SENSE THE CODED INFORMATION APPEARING ON SAID CODE MEMBERS, A PLURALITY OF BRUSHING ELECTRICAL CONTACTS FOR DETECTING THE CODED INFORMATION PROVIDED BY SAID CODE MEMBERS, A PLURALITY OF BRUSH-BLOCKS SECURED TO SAID HOUSING, SAID BRUSHING CONTACTS BEING MOUNTED IN A PREDETERMINED, CODE-SENSING PATTERN ON SAID BRUSHBLOCKS, A PLURALITY OF SOLID, SUBSTANTIALLY INFLEXIBLE ELECTRICALLY CONDUCTIVE MEMBERS ELECTRICALLY CONNECTED TO SAID BRUSHING CONTACTS FOR TRANSMITTING CODED ELECTRICAL SIGNALS FROM SAID BRUSHING CONTACTS, SAID CONDUCTIVE MEMBERS EXTENDING BETWEEN AND BEING SECURED TO SAID BRUSH-BLOCKS TO MAKE ELECTRICAL CONNECTIONS BETWEEN SAID BRUSH-BLOCKS AND TO ADD STRUCTURAL STABILITY TO SAID CONVERTER APPARATUS, AND ELECTRICALLY CONDUCTIVE PINS EXTENDING OUTWARDLY FROM
References Cited (Backward Citations)
US3216007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |