CH486322A - Device for reproducing an image on a record carrier - Google Patents

Device for reproducing an image on a record carrier

Info

Publication number
CH486322A
CH486322A CH426568A CH426568A CH486322A CH 486322 A CH486322 A CH 486322A CH 426568 A CH426568 A CH 426568A CH 426568 A CH426568 A CH 426568A CH 486322 A CH486322 A CH 486322A
Authority
CH
Switzerland
Prior art keywords
reproducing
image
record carrier
record
carrier
Prior art date
Application number
CH426568A
Other languages
German (de)
Inventor
West Moe William
Original Assignee
Printing Dev Inc
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 Printing Dev Inc filed Critical Printing Dev Inc
Publication of CH486322A publication Critical patent/CH486322A/en

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
    • H04N1/405—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels
    • H04N1/4055—Halftoning, i.e. converting the picture signal of a continuous-tone original into a corresponding signal showing only two levels producing a clustered dots or a size modulated halftone pattern

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
CH426568A 1967-03-22 1968-03-22 Device for reproducing an image on a record carrier CH486322A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62503867A 1967-03-22 1967-03-22

Publications (1)

Publication Number Publication Date
CH486322A true CH486322A (en) 1970-02-28

Family

ID=24504320

Family Applications (1)

Application Number Title Priority Date Filing Date
CH426568A CH486322A (en) 1967-03-22 1968-03-22 Device for reproducing an image on a record carrier

Country Status (7)

Country Link
CH (1) CH486322A (en)
DE (1) DE1772022C3 (en)
DK (1) DK145136C (en)
FR (1) FR1605174A (en)
GB (1) GB1206681A (en)
NL (1) NL152670B (en)
SE (1) SE326892B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983319A (en) * 1973-11-12 1976-09-28 Printing Developments, Inc. Electronic screening for image reproduction
US4189752A (en) * 1973-11-12 1980-02-19 Printing Developments, Inc. Electronic screening with galvanometer recorders
DE2844158C3 (en) 1978-10-10 1981-10-15 Burda Verwaltungs Kg Schutterwald, 7600 Offenburg Process for the reproduction of original documents which are scanned for their color content according to a three-range process
FR2467078A1 (en) * 1979-10-11 1981-04-17 Machulka Grigory Laser beam producing printing blocks - synchronously scans and modulates for line and half tone structures using sawtooth pulse generator and comparator
ATE25453T1 (en) * 1981-10-19 1987-02-15 Hell Rudolf Dr Ing Gmbh METHOD OF IMPROVING CONTRAST ENHANCEMENT.
US4701808A (en) * 1983-11-01 1987-10-20 Canon Kabushiki Kaisha Image processing apparatus with variable magnification and gray level processing
DE4038057C2 (en) * 1990-11-29 1997-05-15 Hell Ag Linotype Process for the generation and storage of digitized density threshold values for screening a halftone image template

Also Published As

Publication number Publication date
DK145136B (en) 1982-09-13
DE1772022C3 (en) 1975-10-16
FR1605174A (en) 1973-04-16
DE1772022B2 (en) 1975-03-06
DE1772022A1 (en) 1970-08-06
SE326892B (en) 1970-08-03
DK145136C (en) 1983-03-28
GB1206681A (en) 1970-09-30
NL152670B (en) 1977-03-15
NL6804028A (en) 1968-09-23

Similar Documents

Publication Publication Date Title
AT309208B (en) METHOD AND DEVICE FOR RECORDING A LATHERED ELECTROSTATIC IMAGE
CH476348A (en) Device for setting the position of a data carrier
CH481428A (en) Hand-operated reading device for reading information recorded on a data carrier
CH472077A (en) Device for scanning curves recorded on a carrier
AT323248B (en) DEVICE FOR RECORDING COLOR PICTURE INFORMATION ON A LONG EXTENDED MONOCHROMATIC RECORDER CARRIER
NL148473B (en) TURNTABLE DEVICE FOR A MAGNETIC RECORDING AND DISPLAY DEVICE.
CH486322A (en) Device for reproducing an image on a record carrier
CH446751A (en) Device on a record player for cleaning records during playback
CH516199A (en) Device for magnetically recording data on a movable recording medium
CH496999A (en) Device for recording information with the aid of a liquid jet
AT284491B (en) Device for driving a tape-shaped recording medium
CH500516A (en) Photographic apparatus for processing a recording element
CH472088A (en) Recording and reproducing apparatus for a tape-shaped recording medium
CH465258A (en) Scanning device on a device for playing back audio tapes contained in cassettes
CH479124A (en) Device for controlling a punch for recording media
CH411557A (en) Device for continuously perforating a tape-shaped information carrier
CH536540A (en) Device for centering a record on the turntable of a record player
CH479914A (en) Device for selecting a sheet-shaped recording medium
CH472734A (en) Device for braking a sheet-shaped recording medium
AT238960B (en) Device for automatically switching off a recording or playback device
AT284492B (en) Device for pressing a tape-shaped, magnetic recording medium onto the magnetic head
ATA1047272A (en) DEVICE FOR RECORDING A REDUNTANT HOLOGRAM
CH414226A (en) Device for sensing holes in a recording medium
AT284219B (en) Circuit for connecting a television set to a recording device
CH515561A (en) Device for error-free reading of the information recorded on a carrier

Legal Events

Date Code Title Description
PL Patent ceased