GB2126361A - Method and apparatus for brightness control in flying spot contact copier - Google Patents

Method and apparatus for brightness control in flying spot contact copier Download PDF

Info

Publication number
GB2126361A
GB2126361A GB08323270A GB8323270A GB2126361A GB 2126361 A GB2126361 A GB 2126361A GB 08323270 A GB08323270 A GB 08323270A GB 8323270 A GB8323270 A GB 8323270A GB 2126361 A GB2126361 A GB 2126361A
Authority
GB
United Kingdom
Prior art keywords
light beam
brightness
scanning
control
line
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Withdrawn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
GB08323270A
Other languages
English (en)
Other versions
GB8323270D0 (en
Inventor
Lutz Papenkordt
Klaus Weber
Norbert Diete
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.)
Jenoptik AG
Original Assignee
Carl Zeiss Jena GmbH
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 Carl Zeiss Jena GmbH filed Critical Carl Zeiss Jena GmbH
Publication of GB8323270D0 publication Critical patent/GB8323270D0/en
Publication of GB2126361A publication Critical patent/GB2126361A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B27/00—Photographic printing apparatus
    • G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
    • G03B27/725—Optical projection devices wherein the contrast is controlled electrically (e.g. cathode ray tube masking)

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
GB08323270A 1982-09-01 1983-08-31 Method and apparatus for brightness control in flying spot contact copier Withdrawn GB2126361A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD24292682A DD208874A1 (de) 1982-09-01 1982-09-01 Verfahren zur helligkeitssteuerung bei elektronischen kopiergeraeten

Publications (2)

Publication Number Publication Date
GB8323270D0 GB8323270D0 (en) 1983-10-05
GB2126361A true GB2126361A (en) 1984-03-21

Family

ID=5540950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08323270A Withdrawn GB2126361A (en) 1982-09-01 1983-08-31 Method and apparatus for brightness control in flying spot contact copier

Country Status (3)

Country Link
DD (1) DD208874A1 (de)
DE (1) DE3323734A1 (de)
GB (1) GB2126361A (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2088574A (en) * 1980-12-03 1982-06-09 Marconi Co The Ltd Printing using a flying spot scanner
GB2100451A (en) * 1981-06-05 1982-12-22 Logetronics Inc Photographic printing
GB2108689A (en) * 1981-09-23 1983-05-18 Logetronics Inc Photographic colour printing with a scanning memory mask

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2088574A (en) * 1980-12-03 1982-06-09 Marconi Co The Ltd Printing using a flying spot scanner
GB2100451A (en) * 1981-06-05 1982-12-22 Logetronics Inc Photographic printing
GB2108689A (en) * 1981-09-23 1983-05-18 Logetronics Inc Photographic colour printing with a scanning memory mask

Also Published As

Publication number Publication date
DE3323734A1 (de) 1984-03-01
GB8323270D0 (en) 1983-10-05
DD208874A1 (de) 1984-04-11

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)