US3437020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microfilm titling apparatus
Assignee: Xerox Corp
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Filing: 1966-07-05
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Granted: 1969-04-08
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Expires: 1986-07-05
Abstract
No abstract record available.
Inventors
- 👤 Raymond T Wright
- 👤 James E Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:00
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/221; G03G15/223; G03B; G03B17/00; G03B17/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
266 words
RECORDING APPARATUS FOR RECORDING INFORMATION IN PREDEFINED MARKING AREAS ON AN APERTURED ELONGATED WEB COMPRISING: (A) DRUM MEANS MOUNTED FOR ROTATION AND INCLUDING A PHOTOCONDUCTIVE LAYER EXTENDING ABOUT A CIRCUMFERENTIAL PORTION THEREOF AND CONTAINING PERIPHERAL UNIFORMLY SPACED APART HOLES FORMING AT LEAST ONE RING AXIALLY SPACED FROM AND PARALLEL TO SAID LAYER; (B) FIRST DRIVE MEANS FOR ROTATING SAID DRUM MEANS AND PHOTOCONDUCTIVE LAYER PAST A SERIES OF XEROGRAPHIC PROCESSING STATIONS: INCLUDING AN EXPOSURE STATION AT WHICH A PREVIOUSLY CHARGED PHOTOCONDUCTIVE LAYER RECORDS A LATENT IMAGE OF INFORMATION TO WHICH IT WAS EXPOSED, A DEVELOPMENT STATION AT WHICH THE LATENT IMAGE IS DEVELOPED, AND A TRANSFER STATION AT WHICH THE DEVELOPED IMAGE IS TRANSFERRED TO A RECEIVING WEB; (C) CHARACTER GENERATING MEANS AT THE EXPOSURE STATION INCLUDING A PROJECTABLE INFORMATION SOURCE SERIALLY CHARGEABLE, A FLASH LAMP AND A LENS POSITIONED TO PROJECT THE INFORMATION FROM SAID SOURCE IN A PATTERN OF LIGHT AND DARK TOWARD SAID MOVING PHOTOCONDUCTIVE LAYER; (D) SECOND DRIVE MEANS FOR ADVANCING AN ELONGATED WEB CONTAINING PREDEFINED AREAS ON WHICH INFORMATION IS TO BE RECORDED AND HAVING UNIFORMLY SPACED APART APERTURES CORRESPONDING TO THE SPACING OF THE HOLES IN AT LEAST ONE RING ON SAID DRUM MEANS PAST THE TRANSFER STATION IN IMAGE TRANSFER RELATION WITH SAID DRUM MEANS WITH THE APERTURES OF THE WEB IN REGISTRY WITH THE HOLES OF SAID RING; AND (E) CIRCUIT MEANS RESPONSIVE TO THE ADVANCE OF SAID WEB TO INTERMITTENTLY ENERGIZE SAID FLASH LAMP AND SERIALLY CHARGE THE INFORMATION OF SAID SOURCE OF EFFECT RECORDING OF THE INFORMATION SERIALLY ONTO SAID PREDEFINED MARKING AREA ON SAID WEB.
Claim 2
Dependent Claim
266 words
RECORDING APPARATUS FOR RECORDING INFORMATION IN PREDEFINED MARKING AREAS ON AN APERTURED ELONGATED WEB COMPRISING: (A) DRUM MEANS MOUNTED FOR ROTATION AND INCLUDING A PHOTOCONDUCTIVE LAYER EXTENDING ABOUT A CIRCUMFERENTIAL PORTION THEREOF AND CONTAINING PERIPHERAL UNIFORMLY SPACED APART HOLES FORMING AT LEAST ONE RING AXIALLY SPACED FROM AND PARALLEL TO SAID LAYER; (B) FIRST DRIVE MEANS FOR ROTATING SAID DRUM MEANS AND PHOTOCONDUCTIVE LAYER PAST A SERIES OF XEROGRAPHIC PROCESSING STATIONS: INCLUDING AN EXPOSURE STATION AT WHICH A PREVIOUSLY CHARGED PHOTOCONDUCTIVE LAYER RECORDS A LATENT IMAGE OF INFORMATION TO WHICH IT WAS EXPOSED, A DEVELOPMENT STATION AT WHICH THE LATENT IMAGE IS DEVELOPED, AND A TRANSFER STATION AT WHICH THE DEVELOPED IMAGE IS TRANSFERRED TO A RECEIVING WEB; (C) CHARACTER GENERATING MEANS AT THE EXPOSURE STATION INCLUDING A PROJECTABLE INFORMATION SOURCE SERIALLY CHARGEABLE, A FLASH LAMP AND A LENS POSITIONED TO PROJECT THE INFORMATION FROM SAID SOURCE IN A PATTERN OF LIGHT AND DARK TOWARD SAID MOVING PHOTOCONDUCTIVE LAYER; (D) SECOND DRIVE MEANS FOR ADVANCING AN ELONGATED WEB CONTAINING PREDEFINED AREAS ON WHICH INFORMATION IS TO BE RECORDED AND HAVING UNIFORMLY SPACED APART APERTURES CORRESPONDING TO THE SPACING OF THE HOLES IN AT LEAST ONE RING ON SAID DRUM MEANS PAST THE TRANSFER STATION IN IMAGE TRANSFER RELATION WITH SAID DRUM MEANS WITH THE APERTURES OF THE WEB IN REGISTRY WITH THE HOLES OF SAID RING; AND (E) CIRCUIT MEANS RESPONSIVE TO THE ADVANCE OF SAID WEB TO INTERMITTENTLY ENERGIZE SAID FLASH LAMP AND SERIALLY CHARGE THE INFORMATION OF SAID SOURCE OF EFFECT RECORDING OF THE INFORMATION SERIALLY ONTO SAID PREDEFINED MARKING AREA ON SAID WEB.
References Cited (Backward Citations)
US1654801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |