DE3043521C2 - - Google Patents

Info

Publication number
DE3043521C2
DE3043521C2 DE19803043521 DE3043521A DE3043521C2 DE 3043521 C2 DE3043521 C2 DE 3043521C2 DE 19803043521 DE19803043521 DE 19803043521 DE 3043521 A DE3043521 A DE 3043521A DE 3043521 C2 DE3043521 C2 DE 3043521C2
Authority
DE
Germany
Prior art keywords
image
control signal
image control
recording
digital
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
Application number
DE19803043521
Other languages
German (de)
English (en)
Other versions
DE3043521A1 (de
Inventor
Friedrich Dr. 8022 Gruenwald De Bestenreiner
Josef Dr. 8000 Muenchen De Helmberger
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 Agfa Gevaert AG filed Critical Agfa Gevaert AG
Priority to DE19803043521 priority Critical patent/DE3043521A1/de
Publication of DE3043521A1 publication Critical patent/DE3043521A1/de
Application granted granted Critical
Publication of DE3043521C2 publication Critical patent/DE3043521C2/de
Granted 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
    • H04N1/40—Picture signal circuits
    • H04N1/407—Control or modification of tonal gradation or of extreme levels, e.g. background level
    • H04N1/4072—Control or modification of tonal gradation or of extreme levels, e.g. background level dependent on the contents of the original
    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/40056—Circuits for driving or energising particular reading heads or original illumination means

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
DE19803043521 1980-11-18 1980-11-18 Elektronische bildabtastungs- und aufzeichnungsvorrichtung Granted DE3043521A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19803043521 DE3043521A1 (de) 1980-11-18 1980-11-18 Elektronische bildabtastungs- und aufzeichnungsvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803043521 DE3043521A1 (de) 1980-11-18 1980-11-18 Elektronische bildabtastungs- und aufzeichnungsvorrichtung

Publications (2)

Publication Number Publication Date
DE3043521A1 DE3043521A1 (de) 1982-06-24
DE3043521C2 true DE3043521C2 (enExample) 1989-12-07

Family

ID=6117077

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803043521 Granted DE3043521A1 (de) 1980-11-18 1980-11-18 Elektronische bildabtastungs- und aufzeichnungsvorrichtung

Country Status (1)

Country Link
DE (1) DE3043521A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2542540B1 (fr) 1983-03-08 1989-02-10 Canon Kk Systeme de traitement d'images
JPH0757007B2 (ja) * 1984-01-23 1995-06-14 株式会社ニコン 画像読み取り装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL282779A (enExample) * 1961-09-08
US3622698A (en) * 1969-03-03 1971-11-23 Magnavox Co Facsimile system with selective contrast control
GB2009568B (en) * 1977-11-28 1982-03-24 Nippon Telegraph & Telephone Picture signal coding apparatus

Also Published As

Publication number Publication date
DE3043521A1 (de) 1982-06-24

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee