GB1598026A - Scanning processes and apparatus - Google Patents

Scanning processes and apparatus Download PDF

Info

Publication number
GB1598026A
GB1598026A GB1885778A GB1885778A GB1598026A GB 1598026 A GB1598026 A GB 1598026A GB 1885778 A GB1885778 A GB 1885778A GB 1885778 A GB1885778 A GB 1885778A GB 1598026 A GB1598026 A GB 1598026A
Authority
GB
United Kingdom
Prior art keywords
gate
output
flip
signal
flop
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
GB1885778A
Other languages
English (en)
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
Publication of GB1598026A publication Critical patent/GB1598026A/en
Expired 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
    • H04N1/40056—Circuits for driving or energising particular reading heads or original illumination means

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Heads (AREA)
  • Image Input (AREA)
  • Facsimile Image Signal Circuits (AREA)
GB1885778A 1977-05-16 1978-05-11 Scanning processes and apparatus Expired GB1598026A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5624577A JPS53141520A (en) 1977-05-16 1977-05-16 Picture scanning read system of semiconductor photo detector

Publications (1)

Publication Number Publication Date
GB1598026A true GB1598026A (en) 1981-09-16

Family

ID=13021700

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1885778A Expired GB1598026A (en) 1977-05-16 1978-05-11 Scanning processes and apparatus

Country Status (4)

Country Link
JP (1) JPS53141520A (enrdf_load_stackoverflow)
DE (1) DE2821240C2 (enrdf_load_stackoverflow)
FR (1) FR2391513A1 (enrdf_load_stackoverflow)
GB (1) GB1598026A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128838A (en) * 1982-10-11 1984-05-02 Sony Corp Digital television signal reproducing methods and apparatus
GB2169169A (en) * 1984-11-19 1986-07-02 Canon Kk Facsimile apparatus

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6020287A (ja) * 1983-07-14 1985-02-01 Olympus Optical Co Ltd Ｔｖ画像デ−タ入力装置
JPS5994164A (ja) * 1982-11-22 1984-05-30 Olympus Optical Co Ltd Ｔｖ画像デ−タ入力装置
JPS5995769A (ja) * 1982-11-25 1984-06-01 Hitachi Ltd Ｃｃｄセンサ駆動装置
US4736110A (en) * 1984-09-28 1988-04-05 Nippon Jidoseigyo, Ltd. Image pick-up apparatus
JPS61114647A (ja) * 1984-11-09 1986-06-02 Sharp Corp 画像読取装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2909601A (en) * 1957-05-06 1959-10-20 Bell Telephone Labor Inc Facsimile communication system
US3723640A (en) * 1970-06-19 1973-03-27 Xerox Corp Method and apparatus for rapidly scanning a document
JPS574150B2 (enrdf_load_stackoverflow) * 1972-11-02 1982-01-25
US3947627A (en) * 1972-10-30 1976-03-30 Matsushita Electric Industrial Company, Limited Facsimile system
JPS49130118A (enrdf_load_stackoverflow) * 1973-04-13 1974-12-13
US3876989A (en) * 1973-06-18 1975-04-08 Ibm Ccd optical sensor storage device having continuous light exposure compensation
JPS5423761B2 (enrdf_load_stackoverflow) * 1975-03-13 1979-08-16
JPS5855712B2 (ja) * 1977-02-07 1983-12-10 松下電器産業株式会社 ファクシミリ走査方式

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128838A (en) * 1982-10-11 1984-05-02 Sony Corp Digital television signal reproducing methods and apparatus
GB2169169A (en) * 1984-11-19 1986-07-02 Canon Kk Facsimile apparatus
GB2203310A (en) * 1984-11-19 1988-10-12 Canon Kk Facsimile communicating system
US4814890A (en) * 1984-11-19 1989-03-21 Canon Kabushiki Kaisha Image communicating system
GB2203310B (en) * 1984-11-19 1989-05-24 Canon Kk Image communicating system
GB2169169B (en) * 1984-11-19 1989-06-01 Canon Kk Image communicating system

Also Published As

Publication number Publication date
FR2391513A1 (fr) 1978-12-15
JPS53141520A (en) 1978-12-09
DE2821240C2 (de) 1982-08-26
DE2821240A1 (de) 1978-11-23
FR2391513B1 (enrdf_load_stackoverflow) 1981-08-07

Similar Documents

Publication Publication Date Title
US3919464A (en) Facsimile transmission system
US4196454A (en) Tone error control for relatively large image areas
DE3650599T2 (de) Vorrichtung zur Verarbeitung und Wiedergabe digitaler Videosignale, mit auf den Pixeltakt synchronisierter Pulsbreitenmodulation zur Erzeugung eines binären Signals aus Halbton-Bilddaten
US4554594A (en) Apparatus for scanning and digitally processing half-tone images
US4217611A (en) Optoelectronic scanning apparatus
GB1430138A (en) Image transmission systems
US3670099A (en) Facsimile system utilizing pre-scan detection of indicia
US3588329A (en) Selective binary encoding of video information signals
US3950609A (en) Facsimile system
GB1598026A (en) Scanning processes and apparatus
DE2726563A1 (de) Faksimilesystem
US3715475A (en) Method and apparatus for electrically transmitting pictures
US3646257A (en) Communication system having plural coding vocabularies
US3984833A (en) Apparatus for encoding extended run-length codes
US3909514A (en) Facsimile communication system
GB1601146A (en) Raster scanner
US3974325A (en) Interpolator for facsimile bandwidth compression
US5444832A (en) Pixel density converter
US3843837A (en) Apparatus for generating sample pulses in a telephone image transmission system
US3629496A (en) Encoding of picture signals in photofacsimile
DE3049369A1 (de) Bildreproduktionsgeraet
GB1601145A (en) Raster scanner
GB1445513A (en) Photographic image-pick-up and coding system of run-length type
SU571010A1 (ru) Устройство передачи видеосигнала штриховых изображений
US4034407A (en) Scan interlock system

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920511