KR890015166U - Facsimile image quality correction circuit - Google Patents

Facsimile image quality correction circuit

Info

Publication number
KR890015166U
KR890015166U KR2019870024569U KR870024569U KR890015166U KR 890015166 U KR890015166 U KR 890015166U KR 2019870024569 U KR2019870024569 U KR 2019870024569U KR 870024569 U KR870024569 U KR 870024569U KR 890015166 U KR890015166 U KR 890015166U
Authority
KR
South Korea
Prior art keywords
image quality
correction circuit
quality correction
facsimile image
facsimile
Prior art date
Application number
KR2019870024569U
Other languages
Korean (ko)
Other versions
KR910003637Y1 (en
Inventor
김근식
Original Assignee
주식회사금성사
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
Application filed by 주식회사금성사 filed Critical 주식회사금성사
Priority to KR2019870024569U priority Critical patent/KR910003637Y1/en
Publication of KR890015166U publication Critical patent/KR890015166U/en
Application granted granted Critical
Publication of KR910003637Y1 publication Critical patent/KR910003637Y1/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/401Compensating positionally unequal response of the pick-up or reproducing head
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024Details of scanning heads ; Means for illuminating the original
    • H04N1/028Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H04N1/02815Means for illuminating the original, not specific to a particular type of pick-up head
    • H04N1/02845Means for illuminating the original, not specific to a particular type of pick-up head using an elongated light source, e.g. tubular lamp, LED array
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/0077Types of the still picture apparatus
    • H04N2201/0093Facsimile machine

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
KR2019870024569U 1987-12-31 1987-12-31 Picture signal compensating circuit for fax KR910003637Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870024569U KR910003637Y1 (en) 1987-12-31 1987-12-31 Picture signal compensating circuit for fax

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870024569U KR910003637Y1 (en) 1987-12-31 1987-12-31 Picture signal compensating circuit for fax

Publications (2)

Publication Number Publication Date
KR890015166U true KR890015166U (en) 1989-08-11
KR910003637Y1 KR910003637Y1 (en) 1991-05-31

Family

ID=19271334

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870024569U KR910003637Y1 (en) 1987-12-31 1987-12-31 Picture signal compensating circuit for fax

Country Status (1)

Country Link
KR (1) KR910003637Y1 (en)

Also Published As

Publication number Publication date
KR910003637Y1 (en) 1991-05-31

Similar Documents

Publication Publication Date Title
IL81784A0 (en) Digital image correction
DE69426736D1 (en) Image quality correction circuit
GB2156628B (en) Image sensor correction circuit
DE69119949D1 (en) Image signal correction method
GB8718423D0 (en) View-to-view image correction
DE3466337D1 (en) Swing-driven solid-state image sensor
GB2141895B (en) Half-tone facsimile
GB8303281D0 (en) Scanning original picture photo-electrically
GB2197155B (en) Halftone image reproduction
DE3881889D1 (en) IMAGE SCANNER.
KR890013928A (en) Image quality adjustment circuit
GB8716208D0 (en) Image frame composing circuit
GB2135853B (en) Color image pickup apparatus
GB2144265B (en) Solid-state image sensor
BR8500488A (en) VIDEO IMAGE CORRECTION DEVICE
DE69223679D1 (en) Image quality improvement circuit for image contour compensation
KR890015166U (en) Facsimile image quality correction circuit
DE3878251D1 (en) ELECTRONIC IMAGE SCANNER.
KR890015325U (en) Image quality compensation circuit
DE3474243D1 (en) Half-tone image reproduction
KR870001340U (en) TV receiver image quality compensation circuit
GB2126826B (en) Correction of image vignetting
DE69203694D1 (en) Correction circuit for image scanners.
KR900013754U (en) Video camera quality improvement circuit using gamma correction
EP0104019B1 (en) Image correction

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19941227

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee