US3307020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High information density data record and readout device
Assignee: Eastman Kodak Co
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Filing: 1962-09-27
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Granted: 1967-02-28
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Expires: 1982-09-27
Abstract
No abstract record available.
Inventors
- 👤 Lysle D Cahill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:45
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/12; G06; G06K; G06K17/00; G06K17/0016; G11B7/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A HIGH INFORMATION DENSITY DATA RECORD AND READOUT DEVICE FOR THE TRANSCRIPTION AND ANALYSIS OF DATA UPON A MEDIUM COMPRISING A PROJECTION SYSTEM, SAID PROJECTION SYSTEM INCLUDING A SOURCE OF RADIANT ENERGY, APERTURE MEANS MOUNTED TO RECEIVE AN INPUT BEAM OF RADIANT ENERGY FROM SAID SOURCE AND OPERATING TO FILTER RADIANT ENERGY OF THE LONG WAVE LENGTHS FROM SAID BEAM WHILE RETAINING AND SUBSTANTIALLY COLLIMATING RADIANT ENERGY OF THE SHORT WAVE LENGTHS, SAID APERTURE MEANS PROVIDING A SHARPLY DEFINED OUTPUT BEAM CONSTITUTING SUBSTANTIALLY COLLIMATED RADIANT ENERGY OF THE SHORT WAVE LENGTHS AND HAVING A DIAMETER GREATLY REDUCED FROM THAT OF SAID INPUT BEAM, AND MEANS POSITIONED TO FOCUS SAID OUTPUT BEAM UPON SAID MEDIUM TO ESTABLISH A SHARPLY DEFINED SPOT OF ILLUMINATION AT THE POINT OF INTERCEPTION BETWEEN SAID BEAM AND SAID MEDIUM, AND ELECTRO-OPTICAL PICKUP MEANS POSITIONED ADJACENT SAID MEDIUM ON A SIDE OPPOSITE TO SAID PROJECTION SYSTEM, SAID ELECTRO-OPTICAL PICKUP MEANS BEING ALIGND TO RECEIVE RADIANT ENERGY PASSING THROUGH SAID MEDIUM.
Claim 2
Dependent Claim
163 words
A HIGH INFORMATION DENSITY DATA RECORD AND READOUT DEVICE FOR THE TRANSCRIPTION AND ANALYSIS OF DATA UPON A MEDIUM COMPRISING A PROJECTION SYSTEM, SAID PROJECTION SYSTEM INCLUDING A SOURCE OF RADIANT ENERGY, APERTURE MEANS MOUNTED TO RECEIVE AN INPUT BEAM OF RADIANT ENERGY FROM SAID SOURCE AND OPERATING TO FILTER RADIANT ENERGY OF THE LONG WAVE LENGTHS FROM SAID BEAM WHILE RETAINING AND SUBSTANTIALLY COLLIMATING RADIANT ENERGY OF THE SHORT WAVE LENGTHS, SAID APERTURE MEANS PROVIDING A SHARPLY DEFINED OUTPUT BEAM CONSTITUTING SUBSTANTIALLY COLLIMATED RADIANT ENERGY OF THE SHORT WAVE LENGTHS AND HAVING A DIAMETER GREATLY REDUCED FROM THAT OF SAID INPUT BEAM, AND MEANS POSITIONED TO FOCUS SAID OUTPUT BEAM UPON SAID MEDIUM TO ESTABLISH A SHARPLY DEFINED SPOT OF ILLUMINATION AT THE POINT OF INTERCEPTION BETWEEN SAID BEAM AND SAID MEDIUM, AND ELECTRO-OPTICAL PICKUP MEANS POSITIONED ADJACENT SAID MEDIUM ON A SIDE OPPOSITE TO SAID PROJECTION SYSTEM, SAID ELECTRO-OPTICAL PICKUP MEANS BEING ALIGND TO RECEIVE RADIANT ENERGY PASSING THROUGH SAID MEDIUM.
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |