JPS6223291B2 - - Google Patents

Info

Publication number
JPS6223291B2
JPS6223291B2 JP56078332A JP7833281A JPS6223291B2 JP S6223291 B2 JPS6223291 B2 JP S6223291B2 JP 56078332 A JP56078332 A JP 56078332A JP 7833281 A JP7833281 A JP 7833281A JP S6223291 B2 JPS6223291 B2 JP S6223291B2
Authority
JP
Japan
Prior art keywords
light
sharp
optical
unsharp
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.)
Expired
Application number
JP56078332A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57192924A (en
Inventor
Toshitaka Agano
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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Priority to JP56078332A priority Critical patent/JPS57192924A/ja
Priority to US06/379,352 priority patent/US4548477A/en
Publication of JPS57192924A publication Critical patent/JPS57192924A/ja
Publication of JPS6223291B2 publication Critical patent/JPS6223291B2/ja
Granted 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
    • H04N1/46—Colour picture communication systems
    • H04N1/48—Picture signal generators
    • H04N1/482—Picture signal generators using the same detector device sequentially for different colour components
    • H04N1/484—Picture signal generators using the same detector device sequentially for different colour components with sequential colour illumination of the original
    • 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
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • H04N1/4092—Edge or detail enhancement

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Lasers (AREA)
  • Facsimile Image Signal Circuits (AREA)
JP56078332A 1981-05-22 1981-05-22 Optical modulator Granted JPS57192924A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP56078332A JPS57192924A (en) 1981-05-22 1981-05-22 Optical modulator
US06/379,352 US4548477A (en) 1981-05-22 1982-05-18 Light modulating apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56078332A JPS57192924A (en) 1981-05-22 1981-05-22 Optical modulator

Publications (2)

Publication Number Publication Date
JPS57192924A JPS57192924A (en) 1982-11-27
JPS6223291B2 true JPS6223291B2 (en, 2012) 1987-05-22

Family

ID=13659014

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56078332A Granted JPS57192924A (en) 1981-05-22 1981-05-22 Optical modulator

Country Status (2)

Country Link
US (1) US4548477A (en, 2012)
JP (1) JPS57192924A (en, 2012)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5120961A (en) * 1990-03-16 1992-06-09 Infrared Fiber Systems, Inc. High sensitivity acousto-optic tunable filter spectrometer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US29670A (en) * 1860-08-21 Saw-set
US2691696A (en) * 1950-10-27 1954-10-12 Eastman Kodak Co Electrooptical unsharp masking in color reproduction
US3783185A (en) 1972-01-28 1974-01-01 Eastman Kodak Co Multi-color acoustooptic modulator

Also Published As

Publication number Publication date
US4548477A (en) 1985-10-22
JPS57192924A (en) 1982-11-27

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