US3350156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nomographic computer scanning means
Assignee: Individual
•
Filing: 1964-03-04
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Granted: 1967-10-31
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Expires: 1984-03-04
Abstract
No abstract record available.
Inventors
- 👤 Douglas P Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:16
CPC Classifications
G; G11; G11C; G11C17/00; G11C17/005; G11B; G11B7/00; G11B7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
213 words
A NOMOGRAPHIC COMPUTER SCANNING MEANS FOR PRESENTATION OF A LIGHT PICTURE OF A FILM CONTAINING COUNTABLE BITS THEREON COMPRISING A SOURCE OF LIGHT, A DOUBLE CONICAL REFLECTOR HAVING FIRST AND SECOND ANNULAR REFLECTING SURFACES, MEANS FOR DIRECTING LIGHT FROM SAID SOURCE TO SAID FIRST SURFACES, SAID DOUBLE CONICAL REFLECTOR ARRANGED TO RECEIVE SAID LIGHT ON SAID FIRST SURFACE AND REFLECT IT TO SAID SECOND SURFACE FOR TRANSMISSION IN A DIRECTION PARALLEL TO THE ORIGINAL DIRECTION OF RECEPTION OF SAID LIGHT, A CYLINDRICALLY ARRANGED FIXED FILM MEMORY IN THE PATH OF SAID LIGHT FROM SAID SECOND REFLECTING SURFACE, AND A CENTRAL OPTICAL SYSTEM CONCENTRIC WITH SAID FIXED FILM MEMORY; SAID CENTRAL OPTICAL SYSTEM COMPRISING A ROTATABLE SCANNING PRISM FOR DIRECTING LIGHT FROM A PORTION OF SAID FILM MEMORY ALONG THE AXIS OF SAID CYLINDRICALLY ARRANGED FIXED FILM MEMORY, A ROTATABLE DOVE PRISM ON SAID AXIS IN THE PATH OF THE LIGHT FROM SAID SCANNING PRISM, MEANS FOR ROTATING SAID DOVE PRISM AT A SPEED HALF THAT OF SAID SCANNING PRISM AND MEANS COOPERATING WITH SAID PRISMS FOR PRODUCING AN IMAGE OF SAID PORTION OF SAID FILM MEMORY; SAID MEANS FOR DIRECTING LIGHT FROM SAID SOURCE AND SAID SCANNING PRISM BEING SO ARRANGED THAT THE PORTION OF THE FILM MEMORY BEING SCANNED IS ALWAYS ILLUMINATED.
Claim 2
Dependent Claim
213 words
A NOMOGRAPHIC COMPUTER SCANNING MEANS FOR PRESENTATION OF A LIGHT PICTURE OF A FILM CONTAINING COUNTABLE BITS THEREON COMPRISING A SOURCE OF LIGHT, A DOUBLE CONICAL REFLECTOR HAVING FIRST AND SECOND ANNULAR REFLECTING SURFACES, MEANS FOR DIRECTING LIGHT FROM SAID SOURCE TO SAID FIRST SURFACES, SAID DOUBLE CONICAL REFLECTOR ARRANGED TO RECEIVE SAID LIGHT ON SAID FIRST SURFACE AND REFLECT IT TO SAID SECOND SURFACE FOR TRANSMISSION IN A DIRECTION PARALLEL TO THE ORIGINAL DIRECTION OF RECEPTION OF SAID LIGHT, A CYLINDRICALLY ARRANGED FIXED FILM MEMORY IN THE PATH OF SAID LIGHT FROM SAID SECOND REFLECTING SURFACE, AND A CENTRAL OPTICAL SYSTEM CONCENTRIC WITH SAID FIXED FILM MEMORY; SAID CENTRAL OPTICAL SYSTEM COMPRISING A ROTATABLE SCANNING PRISM FOR DIRECTING LIGHT FROM A PORTION OF SAID FILM MEMORY ALONG THE AXIS OF SAID CYLINDRICALLY ARRANGED FIXED FILM MEMORY, A ROTATABLE DOVE PRISM ON SAID AXIS IN THE PATH OF THE LIGHT FROM SAID SCANNING PRISM, MEANS FOR ROTATING SAID DOVE PRISM AT A SPEED HALF THAT OF SAID SCANNING PRISM AND MEANS COOPERATING WITH SAID PRISMS FOR PRODUCING AN IMAGE OF SAID PORTION OF SAID FILM MEMORY; SAID MEANS FOR DIRECTING LIGHT FROM SAID SOURCE AND SAID SCANNING PRISM BEING SO ARRANGED THAT THE PORTION OF THE FILM MEMORY BEING SCANNED IS ALWAYS ILLUMINATED.
References Cited (Backward Citations)
US2966096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |