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US5029228A Expired / Lapsed US ⏱️ 0.0 years remaining

Image data filing system

Assignee: Mitsubishi Electric Corp
•
Filing: 1988-12-22
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Granted: 1991-07-02
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Expires: 2008-12-22
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Abstract

Abstract An image data filing system wherein an original drawing is converted into digital image data, which is made to have a unity-scale for file management, then divided into several divisional image data having a fixed data size as units of storing data within a record file, can easily perform a continuous display with adjacent drawings, and also, a high speed reduced/enlarged display similar to original-size one because of storing the image data of several different scales within the record file.

Inventors

  • 👤 Yasumasa Nonoyama
  • 👤 Chizuko Inoue

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 13:11
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/387; H04N1/393; H04N1/3935

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 137 words
An image data filing system, comprising: reading means for scanning an original image of a particular scale and converting said original image into digital image data; converting means for converting said digital image data into a plurality of image data each of a different scale; dividing means for dividing each of said different scaled image data into a plurality of blocks such that each of said blocks consists of the same amount of digital image data; and storing means for storing said blocks in a plurality of memory areas corresponding to said plurality of different scales, each area storing blocks of the same scale to form a storage unit containing scaled and divided image data; said image data filing system allowing original images of different scales to be displayed in the same scale as one contiguous image.
Claim 2
Dependent Claim 137 words
An image data filing system, comprising: reading means for scanning an original image of a particular scale and converting said original image into digital image data; converting means for converting said digital image data into a plurality of image data each of a different scale; dividing means for dividing each of said different scaled image data into a plurality of blocks such that each of said blocks consists of the same amount of digital image data; and storing means for storing said blocks in a plurality of memory areas corresponding to said plurality of different scales, each area storing blocks of the same scale to form a storage unit containing scaled and divided image data; said image data filing system allowing original images of different scales to be displayed in the same scale as one contiguous image.
Claim 3
Dependent Claim 25 words
An image data filing system according to claim 1, wherein said original image is one of a map, a machinery drawing, and a divided drawing.

References Cited (Backward Citations)

US4546349A Cited
US4675908A Cited
US4754270A Cited
US4764975A Cited
US4783841A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-07-01 1994-12-31 1995-07-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-07-01 1998-12-31 1999-07-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-07-01 2002-12-31 2003-07-02 $7700.00 Window Closed / Lapsed

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