KR920022809A - Density Converter and Method in Facsimile - Google Patents

Density Converter and Method in Facsimile Download PDF

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Publication number
KR920022809A
KR920022809A KR1019910008349A KR910008349A KR920022809A KR 920022809 A KR920022809 A KR 920022809A KR 1019910008349 A KR1019910008349 A KR 1019910008349A KR 910008349 A KR910008349 A KR 910008349A KR 920022809 A KR920022809 A KR 920022809A
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KR
South Korea
Prior art keywords
data
density
conversion
converting
converter
Prior art date
Application number
KR1019910008349A
Other languages
Korean (ko)
Other versions
KR930007982B1 (en
Inventor
임승각
Original Assignee
정용문
삼성전자주식회사
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Application filed by 정용문, 삼성전자주식회사 filed Critical 정용문
Priority to KR1019910008349A priority Critical patent/KR930007982B1/en
Publication of KR920022809A publication Critical patent/KR920022809A/en
Application granted granted Critical
Publication of KR930007982B1 publication Critical patent/KR930007982B1/en

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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
    • H04N1/04Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
  • Storing Facsimile Image Data (AREA)

Abstract

내용 없음.No content.

Description

팩시밀리에서 밀도 변환 장치 및 방식Density Converter and Method in Facsimile

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 회로도.2 is a circuit diagram according to the present invention.

Claims (3)

팩시밀리의 밀도 변환장치에 있어서, 스케너로부터 입력되는 데이타의 수평 성분을 원하는 비율대로 타이밍도를 변환하는 화소 밀도 변환부(120)와, 상기 화소밀도 변환부(120)의 출력 화소 밀도 변화 데이타 또는 무변환 데이타를 선택하기 위한 제1스위치(110)와, 상기 제1스위치(110)를 통한 직력 데이타를 병렬로 변환하기 위한 직/병렬 변환기(140)와, 선밀도 변환 데이타 또는 무변환(선밀도) 데이타를 선택하기 위한 제2스위치(150)와,상기 직/병렬 변환기(140)에서 출력되는 선밀도 변환을 위해 수라인의 데이타를 저장하는 라인 버퍼(130)와, 상기 라인버퍼(130)의 출력을 받아 원하는 비율대로 선밀도로 변환을 수행하는 라인 밀도변환기(60)와, 상기 각 부의 동작을 제어하기 위한 신호를 발생하는 콘트롤러(180)와, 후술되는 메모리(170)를 액세스하기 위하여 필요한 제어신호 및 어드레스를 발생하는 메모리 인터페이스(160)와, 화소 밀도 변환과 선밀도 변환된 데이타 또는 무변환된 데이타를 저장하는 메모리(170)로 구성됨을 특징으로 하는 팩시밀리에서 밀도 변환장치.In the facsimile density converter, a pixel density converter 120 for converting a timing diagram of a horizontal component of data input from a scanner at a desired ratio, and output pixel density change data of the pixel density converter 120 or no pixel is converted. A first switch 110 for selecting conversion data, a serial / parallel converter 140 for converting the linear force data through the first switch 110 in parallel, linear density conversion data or no conversion (linear density) data A second switch 150 for selecting a line, a line buffer 130 storing data of several lines for linear density conversion output from the serial / parallel converter 140, and an output of the line buffer 130. To access the line density converter 60 which performs the conversion to the linear density at a desired ratio, the controller 180 which generates a signal for controlling the operation of each unit, and the memory 170 to be described later. John control and memory interface 160 to generate a signal and the address, the pixel density conversion and line density-converted data or the non-facsimile density converting apparatus in characterized by consisting of a memory 170 for storing the transformed data. 제1항에 있어서, 라인 버퍼(130)가 적어도 3개의 수평라인 이상의 데이타를 저장하고 있음을 특징으로 하는 팩시밀리에서 밀도 변환장치.2. The apparatus of claim 1, wherein the line buffer (130) stores data of at least three horizontal lines. 팩시밀리의 밀도 변환 방법에 있어서, 상기 팩시밀리 데이타의 수평 성분을 다른 방식의 팩스전송 방식과 호환되도록 소정 원하는 배율로 화소 밀도를 변환하는 제1과정과, 상기 제1과정의 변환 희소밀도 및 무변환 데이타를 선택하는 제2과정과, 상기 제2과정에서 선택된 데이타를 병렬로 변환하는 제3과정과, 상기 제3과정의 출력 데이타를 선택하여 소정비트 단위로 저장한 후 원하는 배율로 라인 밀도를 변환하는 제4과정과, 상기 제3,4과정 이 선밀도 변환된 데이타를 선택하여 저장 및 출력하는 제5과정으로 이루어짐을 특징으로 하는 팩시밀리에서 밀도 변환방식.A density conversion method of a facsimile, the method comprising: converting a horizontal density of the facsimile data at a predetermined desired magnification so as to be compatible with another fax transmission method; A second process of selecting a second process, a third process of converting the data selected in the second process in parallel, and selecting and storing the output data of the third process in a predetermined bit unit and converting the line density at a desired magnification And a fourth process, wherein the third and fourth processes comprise a fifth process for selecting, storing, and outputting the linearly-converted data. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019910008349A 1991-05-23 1991-05-23 Density changing device and method for fax KR930007982B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910008349A KR930007982B1 (en) 1991-05-23 1991-05-23 Density changing device and method for fax

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910008349A KR930007982B1 (en) 1991-05-23 1991-05-23 Density changing device and method for fax

Publications (2)

Publication Number Publication Date
KR920022809A true KR920022809A (en) 1992-12-19
KR930007982B1 KR930007982B1 (en) 1993-08-25

Family

ID=19314786

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910008349A KR930007982B1 (en) 1991-05-23 1991-05-23 Density changing device and method for fax

Country Status (1)

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KR (1) KR930007982B1 (en)

Also Published As

Publication number Publication date
KR930007982B1 (en) 1993-08-25

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