GB2265785B - Image reading apparatus - Google Patents

Image reading apparatus

Info

Publication number
GB2265785B
GB2265785B GB9308315A GB9308315A GB2265785B GB 2265785 B GB2265785 B GB 2265785B GB 9308315 A GB9308315 A GB 9308315A GB 9308315 A GB9308315 A GB 9308315A GB 2265785 B GB2265785 B GB 2265785B
Authority
GB
United Kingdom
Prior art keywords
image reading
reading apparatus
image
reading
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9308315A
Other versions
GB2265785A (en
GB9308315D0 (en
Inventor
Masami Amemiya
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2266455A external-priority patent/JP2950962B2/en
Priority claimed from JP03066752A external-priority patent/JP3093809B2/en
Application filed by Canon Inc filed Critical Canon Inc
Priority claimed from GB9120715A external-priority patent/GB2250887B/en
Publication of GB9308315D0 publication Critical patent/GB9308315D0/en
Publication of GB2265785A publication Critical patent/GB2265785A/en
Application granted granted Critical
Publication of GB2265785B publication Critical patent/GB2265785B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32358—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device using picture signal storage, e.g. at transmitter
    • H04N1/3248—Storage of at least a part of one of two image bearing sides of a single sheet, e.g. for two sided copying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/00795—Reading arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/0402—Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/203—Simultaneous scanning of two or more separate pictures, e.g. two sides of the same sheet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/203—Simultaneous scanning of two or more separate pictures, e.g. two sides of the same sheet
    • H04N1/2032—Simultaneous scanning of two or more separate pictures, e.g. two sides of the same sheet of two pictures corresponding to two sides of a single medium
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3285—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device using picture signal storage, e.g. at transmitter
    • H04N2201/3288—Storage of two or more complete document pages or image frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
GB9308315A 1990-10-05 1991-09-30 Image reading apparatus Expired - Fee Related GB2265785B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2266455A JP2950962B2 (en) 1990-10-05 1990-10-05 Image reading apparatus and image reading method
JP03066752A JP3093809B2 (en) 1991-03-29 1991-03-29 Image reading device
GB9120715A GB2250887B (en) 1990-10-05 1991-09-30 Image reading apparatus

Publications (3)

Publication Number Publication Date
GB9308315D0 GB9308315D0 (en) 1993-06-09
GB2265785A GB2265785A (en) 1993-10-06
GB2265785B true GB2265785B (en) 1995-02-01

Family

ID=27265866

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9308315A Expired - Fee Related GB2265785B (en) 1990-10-05 1991-09-30 Image reading apparatus

Country Status (1)

Country Link
GB (1) GB2265785B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3437249B2 (en) * 1994-04-04 2003-08-18 キヤノン株式会社 Image processing method and image processing apparatus
GB0128888D0 (en) 2001-12-03 2002-01-23 Imagination Tech Ltd Method and apparatus for compressing data and decompressing compressed data

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4763167A (en) * 1986-03-13 1988-08-09 Canon Kabushiki Kaisha Image forming apparatus
JPS63229961A (en) * 1987-03-18 1988-09-26 Nec Corp Facsimile equipment
US5136665A (en) * 1988-02-02 1992-08-04 Canon Kabushiki Kaisha Two-sided original reading apparatus
JPH10162071A (en) * 1996-12-02 1998-06-19 Dainippon Printing Co Ltd Overlapped purchase and rental prevention system
JPH10198174A (en) * 1997-01-08 1998-07-31 Hitachi Ltd Paper kind detector and image forming device provided with the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4763167A (en) * 1986-03-13 1988-08-09 Canon Kabushiki Kaisha Image forming apparatus
JPS63229961A (en) * 1987-03-18 1988-09-26 Nec Corp Facsimile equipment
US5136665A (en) * 1988-02-02 1992-08-04 Canon Kabushiki Kaisha Two-sided original reading apparatus
JPH10162071A (en) * 1996-12-02 1998-06-19 Dainippon Printing Co Ltd Overlapped purchase and rental prevention system
JPH10198174A (en) * 1997-01-08 1998-07-31 Hitachi Ltd Paper kind detector and image forming device provided with the same

Also Published As

Publication number Publication date
GB2265785A (en) 1993-10-06
GB9308315D0 (en) 1993-06-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100930