Patent US1577655A successfully refreshed from Google Patents.
Patent US3194969A successfully refreshed from Google Patents.
US3194969A
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Optical reader with integral lens and light responsive device
Assignee: Unisys Corp
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Filing: 1962-02-12
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Granted: 1965-07-13
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Expires: 1982-02-12
Abstract
No abstract record available.
Inventors
- 👤 Robert D Chute
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:58
CPC Classifications
G; G06; G06K; G06K7/00; G06K7/10; G06K7/10544; G06K7/10821; G06K7/10831
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
AN OPTICAL SYSTEM PROJECTING LIGHT ON AND RESPONSIVE TO LIGHT REFLECTED FROM AN OBJECT, COMPRISING A SOURCE OF ILLUMINATION, A LENS LOCATED BETWEEN SAID SOURCE AND SAID OBJECT AND FOCUSING DIVERGING LIGHT RAYS IMPINGING THEREON FROM SAID SOURCE ON SAID OBJECT IN A CONVERGING LIGHT BEAM ON BOTH SIDES AND CONTAINING AN OPTICAL AXIS OF THE LENS NORMAL TO THE OBJECT, SAID LENS HAVING AN OPENING THEREIN LOCATED OFF-CENTRALLY AND TO ONE SIDE OF THE SAID OPTICAL AXIS THEREOF A DISTANCE THAT IS LESS THAN THE RADIUS OF CURVATURE OF THE LENS AS MEASURED ALONG A PRINCIPAL PLANE OF THE LENS NORMAL TO THE AFORESAID OPTICAL AXIS THEREOF, AND A LIGHT RESPONSE DEVICE SECURED IN SAID OPENING IN SAID LENS AND HAVING A LIGHT SENSITIVE SURFACE FACING SAID OBJECT AT AN ACUTE ANGLE TO THE PLANE OF THE OBJECT TO RECEIVE ILLUMINATION REFLECTED THEREFROM.
Claim 2
Dependent Claim
144 words
AN OPTICAL SYSTEM PROJECTING LIGHT ON AND RESPONSIVE TO LIGHT REFLECTED FROM AN OBJECT, COMPRISING A SOURCE OF ILLUMINATION, A LENS LOCATED BETWEEN SAID SOURCE AND SAID OBJECT AND FOCUSING DIVERGING LIGHT RAYS IMPINGING THEREON FROM SAID SOURCE ON SAID OBJECT IN A CONVERGING LIGHT BEAM ON BOTH SIDES AND CONTAINING AN OPTICAL AXIS OF THE LENS NORMAL TO THE OBJECT, SAID LENS HAVING AN OPENING THEREIN LOCATED OFF-CENTRALLY AND TO ONE SIDE OF THE SAID OPTICAL AXIS THEREOF A DISTANCE THAT IS LESS THAN THE RADIUS OF CURVATURE OF THE LENS AS MEASURED ALONG A PRINCIPAL PLANE OF THE LENS NORMAL TO THE AFORESAID OPTICAL AXIS THEREOF, AND A LIGHT RESPONSE DEVICE SECURED IN SAID OPENING IN SAID LENS AND HAVING A LIGHT SENSITIVE SURFACE FACING SAID OBJECT AT AN ACUTE ANGLE TO THE PLANE OF THE OBJECT TO RECEIVE ILLUMINATION REFLECTED THEREFROM.
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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) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |