US3284196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for electric recording
Assignee: International Business Machines Corp
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Filing: 1962-10-11
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Granted: 1966-11-08
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Expires: 1982-10-11
Abstract
No abstract record available.
Inventors
- 👤 Robert V Mazza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:24
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/80; H04N5/82; G; G03; G03G; G03G16/00; G06; G06K; G06K15/00; G06K15/02; G06K15/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
THE METHOD OF RECORDING AN IMAGE ON A THERMOPLASTIC RECORD MEDIUM HAVING A FIRST SURFACE AND A SECAND HEAT DEFORMABLE SURFACE COMPRISING THE STEPS OF: CASTING A LIGHT IMAGE ON A PRE-CHARGED, ELECTRICALLY BIASED PHOTOCONDUCTIVE SURFACE TO FROM AN ELECTROSTATIC LATENT IMAGE THEREON; RAISING THE TEMPERATURE OF THE SECOND SURFACE OF SAID THERMOPLASTIC MEDIUM ABOVE ITS DEFORMATION TEMPERATURE; PLACING THE FIRST SURFACE OF SAID THERMOPLASTIC MEDIUM IN CONTACT WITH THE PHOTOCONDUCTIVE SURFACE THEREVT INDUCING IN THE SECOND SURFACE A PATTERN OF DEFORMATIONS REPRESENTATIVE OF SAID ELECTROSTATIC LATENT IMAGE; AND LOWERING THE TEMPERATURE OF SAID SECOND SURFACE BELOW ITS DEFORMATION TEMPERATURE THEREBY SOLIDIFYING THE THERMOPLASTIC SURFACE AND PRESERVING THE PATTERN OF DEFORMATIONS REPRESENTATIVE OF THE ELECTROSTATIC LATENT IMAGE.
Claim 2
Independent Claim
117 words
THE METHOD OF RECORDING AN IMAGE ON A THERMOPLASTIC RECORD MEDIUM HAVING A FIRST SURFACE AND A SECAND HEAT DEFORMABLE SURFACE COMPRISING THE STEPS OF: CASTING A LIGHT IMAGE ON A PRE-CHARGED, ELECTRICALLY BIASED PHOTOCONDUCTIVE SURFACE TO FROM AN ELECTROSTATIC LATENT IMAGE THEREON; RAISING THE TEMPERATURE OF THE SECOND SURFACE OF SAID THERMOPLASTIC MEDIUM ABOVE ITS DEFORMATION TEMPERATURE; PLACING THE FIRST SURFACE OF SAID THERMOPLASTIC MEDIUM IN CONTACT WITH THE PHOTOCONDUCTIVE SURFACE THEREVT INDUCING IN THE SECOND SURFACE A PATTERN OF DEFORMATIONS REPRESENTATIVE OF SAID ELECTROSTATIC LATENT IMAGE; AND LOWERING THE TEMPERATURE OF SAID SECOND SURFACE BELOW ITS DEFORMATION TEMPERATURE THEREBY SOLIDIFYING THE THERMOPLASTIC SURFACE AND PRESERVING THE PATTERN OF DEFORMATIONS REPRESENTATIVE OF THE ELECTROSTATIC LATENT IMAGE.
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) | 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 |