Patent US4573084A successfully refreshed from Google Patents.
US4573084A
Expired / Lapsed
US
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Document information filing system
Assignee: Toshiba Corp
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Filing: 1983-12-20
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Granted: 1986-02-25
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Expires: 2003-12-20
Abstract
Abstract All index information recorded on a magnetic cassette tape detachably mounted on a document information filing system and corresponding severally to a plurality of image information are stored in a RAM in a control section. The RAM is quickly searched for an index information corresponding to a desired image information, a magnetic head is set to a track position and a block position designated by the detected index information, an image information is read out from the designated position, and the read image information is formed into a hard copy by a printing device.
Inventors
- 👤 Kazuhiko Iida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:10
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/21; H04N1/2166; H04N1/217; H04N1/2175; G; G06; G06F; G06F16/00; G06F16/90; G06F16/901; G06F16/9017; G06K; G06K17/00; G06K17/0016; G06K17/0019; G11; G11B; G11B27/00; G11B27/10; G11B27/19; G11B27/28; G11B27/32; G11B27/327; G11B27/328
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
214 words
A document information filing system comprising: a keyboard for user designating index information identifying document information to be stored in said filing system or information previously stored therein to be retrieved, said index information including address data and an index code representing a characteristic of said document information; a recorder including means adapted to receive an information recording medium having at least one first recording track for storing a plurality of such index informations related to separate document informations and a plurality of second recording tracks for storing document image information corresponding to each index information, and means for reading the index information from said first recording track; index memory means for storing all of the index information read from said first recording track; and control means, connected to said keyboard, said recorder and said index memory means, for receiving user designated index information from said keyboard, for locating the index information specified by said keyboard among all the index information previously read from said first recording track and stored in said index memory means and for driving said reproducing means to reproduce the image information stored in at least a portion of one of the second tracks of said information recording medium corresponding to the address data retrieved from said index memory means.
Claim 2
Dependent Claim
214 words
A document information filing system comprising: a keyboard for user designating index information identifying document information to be stored in said filing system or information previously stored therein to be retrieved, said index information including address data and an index code representing a characteristic of said document information; a recorder including means adapted to receive an information recording medium having at least one first recording track for storing a plurality of such index informations related to separate document informations and a plurality of second recording tracks for storing document image information corresponding to each index information, and means for reading the index information from said first recording track; index memory means for storing all of the index information read from said first recording track; and control means, connected to said keyboard, said recorder and said index memory means, for receiving user designated index information from said keyboard, for locating the index information specified by said keyboard among all the index information previously read from said first recording track and stored in said index memory means and for driving said reproducing means to reproduce the image information stored in at least a portion of one of the second tracks of said information recording medium corresponding to the address data retrieved from said index memory means.
Claim 3
Dependent Claim
112 words
A document information filing system according to claim 1, wherein said control means includes an information compressor for reducing redundancy of the image information from said scanner, a page buffer for storing the reduced redundancy image information from said information compressor for each page of the document, means for transferring the image information stored in said page buffer to said recorder, means for transferring the reproduced image information from said recorder to said page buffer, thereby causing said page buffer to store said reproduced image information, an information expander for restoring the reproduced image information stored in said page buffer, and means for transferring the expanded image information from said information expander.
Claim 4
Dependent Claim
20 words
A document information filing system according to claim 1, wherein said index memory means comprises a random access memory (RAM).
Claim 5
Dependent Claim
40 words
A document information filing system according to claim 1, wherein said recorder is a magnetic tape recorder having at least one magnetic head which records information on and reproduces information from the first and second tracks of said magnetic tape.
Claim 6
Dependent Claim
28 words
A document information filing system according to claim 1, further including a printing device for reproducing a hard copy from the image information delivered from said reproducing means.
Claim 7
Dependent Claim
75 words
A document information filing system according to claim 5, wherein said printing device comprises a copying device including means for forming an optical image corresponding to the image information supplied to said printing device, a photoconductive member exposed by said optical image to form a latent image thereon, means for developing said latent image on said photoconductive member, and means for transferring and fixing an image developed by said developing means to a copy sheet.
Claim 8
Dependent Claim
84 words
A document information filing system according to claim 1 further including a scanner for optically scanning a document and generating image information of the documents and wherein said index memory means comprises means for storing index information newly supplied by said keyboard and being newly recorded on said first recording track, and wherein said recorder includes means for recording the image information generated by said scanner on at least one of the second tracks designated by the newly supplied index information from said keyboard.
Claim 9
Dependent Claim
25 words
A document information filing system according to claim 1, wherein said recorder includes means for sequentially transferring the index information to said index memory means.
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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) | 1989-02-24 | 1989-08-26 | 1990-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-02-24 | 1993-08-26 | 1994-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-02-24 | 1997-08-26 | 1998-02-25 | $7700.00 | Window Closed / Lapsed |