NL8300686A - Inrichting voor het omzetten van een analoog videosignaal in een tweewaardig signaal. - Google Patents

Inrichting voor het omzetten van een analoog videosignaal in een tweewaardig signaal. Download PDF

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Publication number
NL8300686A
NL8300686A NL8300686A NL8300686A NL8300686A NL 8300686 A NL8300686 A NL 8300686A NL 8300686 A NL8300686 A NL 8300686A NL 8300686 A NL8300686 A NL 8300686A NL 8300686 A NL8300686 A NL 8300686A
Authority
NL
Netherlands
Prior art keywords
reference signal
signal
video signal
analog video
auxiliary reference
Prior art date
Application number
NL8300686A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8300686A priority Critical patent/NL8300686A/nl
Priority to DE19843403792 priority patent/DE3403792A1/de
Priority to FR8402421A priority patent/FR2541838B1/fr
Priority to GB08404411A priority patent/GB2135852B/en
Priority to JP59030446A priority patent/JPS59161973A/ja
Priority to BE0/212445A priority patent/BE898990A/fr
Publication of NL8300686A publication Critical patent/NL8300686A/nl

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
    • H04N1/403—Discrimination between the two tones in the picture signal of a two-tone original

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Picture Signal Circuits (AREA)
  • Collating Specific Patterns (AREA)
NL8300686A 1983-02-24 1983-02-24 Inrichting voor het omzetten van een analoog videosignaal in een tweewaardig signaal. NL8300686A (nl)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL8300686A NL8300686A (nl) 1983-02-24 1983-02-24 Inrichting voor het omzetten van een analoog videosignaal in een tweewaardig signaal.
DE19843403792 DE3403792A1 (de) 1983-02-24 1984-02-03 Anordnung zum umwandeln eines analogen video-signals in ein binaeres signal
FR8402421A FR2541838B1 (fr) 1983-02-24 1984-02-17 Dispositif pour convertir un signal video analogique en un signal a deux niveaux
GB08404411A GB2135852B (en) 1983-02-24 1984-02-20 Arrangement for converting an analog video signal into a two-level signal
JP59030446A JPS59161973A (ja) 1983-02-24 1984-02-22 変換回路
BE0/212445A BE898990A (fr) 1983-02-24 1984-02-22 Dispositif pour convertir un signal video analogique en un signal a deux niveaux

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8300686 1983-02-24
NL8300686A NL8300686A (nl) 1983-02-24 1983-02-24 Inrichting voor het omzetten van een analoog videosignaal in een tweewaardig signaal.

Publications (1)

Publication Number Publication Date
NL8300686A true NL8300686A (nl) 1984-09-17

Family

ID=19841468

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8300686A NL8300686A (nl) 1983-02-24 1983-02-24 Inrichting voor het omzetten van een analoog videosignaal in een tweewaardig signaal.

Country Status (6)

Country Link
JP (1) JPS59161973A (ja)
BE (1) BE898990A (ja)
DE (1) DE3403792A1 (ja)
FR (1) FR2541838B1 (ja)
GB (1) GB2135852B (ja)
NL (1) NL8300686A (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0681258B2 (ja) * 1988-12-05 1994-10-12 三菱電機株式会社 イメージデータの二値化回路
JP2809447B2 (ja) * 1989-01-21 1998-10-08 株式会社リコー 画像処理装置
JPH05244419A (ja) * 1991-11-25 1993-09-21 Eastman Kodak Co ２階調適応閾値を決定するシステムおよび方法
FR2812985B1 (fr) * 2000-08-11 2003-08-22 Atmel Grenoble Sa Circuit de demodulation d'un signal logique transmis par des voies analogiques

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE323559C (de) * 1919-03-18 1920-07-29 Oscar Mey Vorrichtung zur willkuerlichen Auswahl der zu kontrollierenden Arbeiter und Angestellten in gewerblichen und kaufmaennischen Betrieben
US3500073A (en) * 1966-09-15 1970-03-10 Phonocopy Inc Analog to binary signal processor
US3566281A (en) * 1968-05-21 1971-02-23 Ibm Electric pulse wave clipping circuitry
CA974607A (en) * 1971-12-13 1975-09-16 Bendix Corporation (The) System for converting modulated signals to squarewave outputs
US3869698A (en) * 1973-11-29 1975-03-04 Mohawk Data Sciences Corp Optical character recognition video amplifier and digitizer
FR2437125A1 (fr) * 1978-09-21 1980-04-18 Cit Alcatel Dispositif de traitement d'un signal d'analyse d'image

Also Published As

Publication number Publication date
FR2541838A1 (fr) 1984-08-31
FR2541838B1 (fr) 1987-10-09
BE898990A (fr) 1984-08-22
GB2135852A (en) 1984-09-05
JPS59161973A (ja) 1984-09-12
JPH0439828B2 (ja) 1992-06-30
DE3403792A1 (de) 1984-08-30
GB8404411D0 (en) 1984-03-28
GB2135852B (en) 1987-05-07

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
A85 Still pending on 85-01-01
BV The patent application has lapsed