DE2502922A1 - Anordnung und verfahren zur faksimile- uebertragung - Google Patents

Anordnung und verfahren zur faksimile- uebertragung

Info

Publication number
DE2502922A1
DE2502922A1 DE19752502922 DE2502922A DE2502922A1 DE 2502922 A1 DE2502922 A1 DE 2502922A1 DE 19752502922 DE19752502922 DE 19752502922 DE 2502922 A DE2502922 A DE 2502922A DE 2502922 A1 DE2502922 A1 DE 2502922A1
Authority
DE
Germany
Prior art keywords
scanning
document
dark areas
speed
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.)
Withdrawn
Application number
DE19752502922
Other languages
German (de)
English (en)
Inventor
John M Vandling
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
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 Exxon Research and Engineering Co filed Critical Exxon Research and Engineering Co
Publication of DE2502922A1 publication Critical patent/DE2502922A1/de
Withdrawn legal-status Critical Current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
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/17—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa the scanning speed being dependent on content of picture

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
DE19752502922 1974-01-30 1975-01-24 Anordnung und verfahren zur faksimile- uebertragung Withdrawn DE2502922A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US437914*A US3912861A (en) 1974-01-30 1974-01-30 Method and apparatus for time compression of facsimile transmissions

Publications (1)

Publication Number Publication Date
DE2502922A1 true DE2502922A1 (de) 1975-07-31

Family

ID=23738444

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752502922 Withdrawn DE2502922A1 (de) 1974-01-30 1975-01-24 Anordnung und verfahren zur faksimile- uebertragung

Country Status (8)

Country Link
US (1) US3912861A (show.php)
JP (1) JPS50109616A (show.php)
CA (1) CA1006970A (show.php)
DE (1) DE2502922A1 (show.php)
FR (1) FR2259496A1 (show.php)
GB (1) GB1483928A (show.php)
IT (1) IT1030901B (show.php)
NL (1) NL7500317A (show.php)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4447830A (en) * 1981-09-10 1984-05-08 Xerox Corporation Image scanning apparatus and method
GB2175769B (en) * 1985-04-27 1989-12-28 Sony Corp Method and apparatus for processing an image signal
US5021877A (en) * 1987-10-27 1991-06-04 Brother Kogyo Kabushiki Kaisha Optical image reading apparatus capable of reading multi-colored original
JP2902655B2 (ja) * 1988-11-18 1999-06-07 株式会社東芝 画像読取装置及び画像読取方法
US6491225B1 (en) * 1989-10-30 2002-12-10 Symbol Technologies, Inc. Electro-optical reader with electronic stylus
DE69323522T2 (de) * 1992-10-23 1999-07-29 Canon Kk Bildabtastvorrichtung und Verfahren zum Diskriminieren von speziellen Originalen
US9133317B2 (en) 2005-12-28 2015-09-15 Mitsui Chemicals, Inc. Coating material
US10416427B2 (en) * 2017-02-24 2019-09-17 Institut National D'optique Scan-based imaging with variable scan speed using predictions of region-of-interest positions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB932624A (en) * 1960-09-09 1963-07-31 Creed & Co Ltd Improvements in or relating to facsimile systems
US3502803A (en) * 1967-05-12 1970-03-24 Xerox Corp Facsimile line skipping apparatus

Also Published As

Publication number Publication date
FR2259496A1 (show.php) 1975-08-22
JPS50109616A (show.php) 1975-08-28
GB1483928A (en) 1977-08-24
US3912861A (en) 1975-10-14
CA1006970A (en) 1977-03-15
NL7500317A (nl) 1975-08-01
IT1030901B (it) 1979-04-10

Similar Documents

Publication Publication Date Title
DE1762965B2 (de) Abtastvorrichtung mit einem von hand ueber einen informations traeger zu bewegendes gehaeuse
DE3422120A1 (de) Bildlesegeraet
DE2921934C2 (de) System zur fernsehmäßigen Abtastung von Filmen
DE3638367C2 (de) Elektronisches Endoskopiegerät
DE3004717C2 (de) Vorrichtung zur elektronischen Abtastung von Aufnahmegegenständen
DE2508115A1 (de) Kompakter faksimileabtaster
DE2502921A1 (de) Einrichtung und verfahren zum senden und empfangen von faksimile- signalen
DE3413699C2 (show.php)
DE4016954A1 (de) Bildlesevorrichtung
DE2226990C3 (de) Anordnung zur Verbesserung der Schärfe bei der Aufzeichnung von Halbtonbildern
DE2438271B2 (de) Videomischer
DE2743864B2 (de) Leseeinnchtung mit einem optischen System
DE3246895A1 (de) Vorlagen-bildunterscheidungsvorrichtung
DE2809338B2 (de) Schwärzungsdichte-Steuerungsanordnung für Tintenstrahldrücker
DE1487806A1 (de) Vorrichtung fuer ein Bildtelegraphiesystem
DE2502922A1 (de) Anordnung und verfahren zur faksimile- uebertragung
DE69507930T2 (de) Bildlesevorrichtung mit Hochauflösungs- und Hochgeschwindigkeits-Modus
DE1487809B2 (de) Faksimilesender
DE3326359C2 (show.php)
DE10027737B4 (de) Digitaler Bildverarbeitungsapparat
DE2365916C2 (de) Vorrichtung zum zeilenweisen Aufzeichnen von Informationen in einem elektrischen Signal auf ein abgetastetes lichtempfindliches Medium
DE1487805B2 (de) Faksimilesystem mit zeilenweiser abtastung graphischer infor mationen mit variabler geschwindigkeit
DE2146497B2 (de) Segmentierungs-Vorrichtung für optische Zeichenleser
DE2705970A1 (de) Videosignal-konditioniersystem
DE2814891B2 (de) Verfahren zur Umwandlung eines Videosignals in ein Schwarz/Weiß-Signal

Legal Events

Date Code Title Description
8141 Disposal/no request for examination