JPS5341920A - Telautograph information reading device - Google Patents

Telautograph information reading device

Info

Publication number
JPS5341920A
JPS5341920A JP11690576A JP11690576A JPS5341920A JP S5341920 A JPS5341920 A JP S5341920A JP 11690576 A JP11690576 A JP 11690576A JP 11690576 A JP11690576 A JP 11690576A JP S5341920 A JPS5341920 A JP S5341920A
Authority
JP
Japan
Prior art keywords
telautograph
reading device
information reading
information
ensure
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.)
Pending
Application number
JP11690576A
Other languages
English (en)
Inventor
Joichi Fuwa
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP11690576A priority Critical patent/JPS5341920A/ja
Priority to US05/836,973 priority patent/US4160279A/en
Priority to DE2743864A priority patent/DE2743864C3/de
Publication of JPS5341920A publication Critical patent/JPS5341920A/ja
Pending 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
    • 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
    • H04N1/41—Bandwidth or redundancy reduction
    • H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
    • H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
JP11690576A 1976-09-29 1976-09-29 Telautograph information reading device Pending JPS5341920A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP11690576A JPS5341920A (en) 1976-09-29 1976-09-29 Telautograph information reading device
US05/836,973 US4160279A (en) 1976-09-29 1977-09-27 Optoelectronic reading apparatus
DE2743864A DE2743864C3 (de) 1976-09-29 1977-09-29 Optoelektronische Leseeinrichtung für einen Faksimile-Sender

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11690576A JPS5341920A (en) 1976-09-29 1976-09-29 Telautograph information reading device

Publications (1)

Publication Number Publication Date
JPS5341920A true JPS5341920A (en) 1978-04-15

Family

ID=14698533

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11690576A Pending JPS5341920A (en) 1976-09-29 1976-09-29 Telautograph information reading device

Country Status (3)

Country Link
US (1) US4160279A (ja)
JP (1) JPS5341920A (ja)
DE (1) DE2743864C3 (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0064557A1 (en) * 1980-11-17 1982-11-17 Fujitsu Limited Picture signal reading method
JPS58177066A (ja) * 1982-04-09 1983-10-17 Ricoh Co Ltd ファクシミリ装置
JPS60190302U (ja) * 1984-08-13 1985-12-17 株式会社　モリタ製作所 インピ−ダンスオ−デイオメ−タ
JPH0614159A (ja) * 1992-06-24 1994-01-21 Fujitsu Ltd イメージスキャナ読み取り方法

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5661866A (en) * 1979-10-25 1981-05-27 Toshiba Corp Variable scanning system
US4367493A (en) * 1981-04-02 1983-01-04 Xerox Corporation Raster scanner apparatus and method
JPS5932265A (ja) * 1982-08-18 1984-02-21 Toshiba Corp イメージセンサの駆動方法
US4796242A (en) * 1983-10-12 1989-01-03 Drexler Technology Corporation Scanning optical card reader
US4598323A (en) * 1983-10-26 1986-07-01 Canon Kabushiki Kaisha Image processing apparatus
US4866536A (en) * 1983-10-26 1989-09-12 Canon Kabushiki Kaisha Image recording apparatus
JPS60103769A (ja) * 1983-11-10 1985-06-08 Canon Inc 原稿読取方法
US4748514A (en) * 1986-12-22 1988-05-31 Xerox Corporation Variable rate scanning control
DE68918212T2 (de) * 1988-10-14 1995-01-26 Canon Kk Bildleser.
US5239393A (en) * 1988-10-14 1993-08-24 Canon Kabushiki Kaisha Image reading apparatus
US5032712A (en) * 1988-10-19 1991-07-16 Canon Kabushiki Kaisha Signal accumulation image reading apparatus
US5278675A (en) * 1988-11-30 1994-01-11 Fujitsu Limited Image reading system using an interruption of a pulse train to adjust a scanning period
JPH03157052A (ja) * 1989-11-15 1991-07-05 Ricoh Co Ltd 原稿読取装置
US5212566A (en) * 1990-09-28 1993-05-18 Xerox Corporation Synchronization of ess/iit when scanning complex documents
US5175632A (en) * 1990-10-10 1992-12-29 Fuji Xerox Co., Ltd. Multiple image processing system
AU1996292A (en) * 1991-05-17 1992-12-30 Analytic Sciences Corporation, The Continuous-tone image compression
TW376491B (en) * 1991-06-22 1999-12-11 Fuji Xerox Co Ltd Image processing system with a buffer memory
US5369504A (en) * 1992-04-09 1994-11-29 Xerox Corporation Method and apparatus for reducing image distortion in an asynchronous input scanner
DE69322316T2 (de) * 1992-06-22 1999-04-29 Fujitsu Ltd Verfahren und Vorrichtung zum Lesen von Bildern eines Bildabtasters
JPH06205181A (ja) * 1993-01-07 1994-07-22 Canon Inc ファクシミリ装置
US5336878A (en) * 1993-05-10 1994-08-09 Hewlett-Packard Company Variable speed single pass color optical scanner
US5901278A (en) * 1994-08-18 1999-05-04 Konica Corporation Image recording apparatus with a memory means to store image data
JPH10210250A (ja) * 1997-01-20 1998-08-07 Sharp Corp 画像読取装置
JP3927388B2 (ja) * 2000-09-27 2007-06-06 株式会社リコー 画像処理装置、画像処理方法及び記録媒体
US7095439B2 (en) * 2002-04-04 2006-08-22 Motorola, Inc. Image sensor circuit and method
US20040125416A1 (en) * 2002-12-27 2004-07-01 Gawlik Noah J. Method of scanning an image with an electronic scanner
JP4315184B2 (ja) * 2006-10-31 2009-08-19 ブラザー工業株式会社 画像読取装置
US7995234B2 (en) * 2007-07-31 2011-08-09 Hewlett-Packard Development Company, L.P. Adjusting scan rate within scanning device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344231A (en) * 1967-09-26 Encoding and variable scan rate to provide
US3472953A (en) * 1966-03-17 1969-10-14 Xerox Corp Graphic communication system for transmitting reduced redundancy signals at the maximum rate of the communication link
US3499975A (en) * 1966-12-12 1970-03-10 Ibm Repeated scan digitally coded facsimile transmission
US3670099A (en) * 1968-03-18 1972-06-13 Itek Corp Facsimile system utilizing pre-scan detection of indicia
US3581000A (en) * 1968-10-07 1971-05-25 Xerox Corp Incremental stepping paper drive
JPS5316651B2 (ja) * 1971-12-08 1978-06-02
US3947627A (en) * 1972-10-30 1976-03-30 Matsushita Electric Industrial Company, Limited Facsimile system
US3941926A (en) * 1974-04-08 1976-03-02 Stewart-Warner Corporation Variable intensity display device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0064557A1 (en) * 1980-11-17 1982-11-17 Fujitsu Limited Picture signal reading method
US4482922A (en) * 1980-11-17 1984-11-13 Fujitsu Limited Picture signal read system
EP0064557B1 (en) * 1980-11-17 1988-09-21 Fujitsu Limited Picture signal reading method
JPS58177066A (ja) * 1982-04-09 1983-10-17 Ricoh Co Ltd ファクシミリ装置
JPH0427751B2 (ja) * 1982-04-09 1992-05-12 Ricoh Kk
JPS60190302U (ja) * 1984-08-13 1985-12-17 株式会社　モリタ製作所 インピ−ダンスオ−デイオメ−タ
JPH0614159A (ja) * 1992-06-24 1994-01-21 Fujitsu Ltd イメージスキャナ読み取り方法

Also Published As

Publication number Publication date
DE2743864A1 (de) 1978-03-30
US4160279A (en) 1979-07-03
DE2743864C3 (de) 1986-07-10
DE2743864B2 (de) 1980-02-07

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