BE898990A - Dispositif pour convertir un signal video analogique en un signal a deux niveaux - Google Patents

Dispositif pour convertir un signal video analogique en un signal a deux niveaux

Info

Publication number
BE898990A
BE898990A BE0/212445A BE212445A BE898990A BE 898990 A BE898990 A BE 898990A BE 0/212445 A BE0/212445 A BE 0/212445A BE 212445 A BE212445 A BE 212445A BE 898990 A BE898990 A BE 898990A
Authority
BE
Belgium
Prior art keywords
signal
converting
video signal
document
analogue video
Prior art date
Application number
BE0/212445A
Other languages
English (en)
French (fr)
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
Publication of BE898990A publication Critical patent/BE898990A/fr

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)
  • Collating Specific Patterns (AREA)
  • Picture Signal Circuits (AREA)
BE0/212445A 1983-02-24 1984-02-22 Dispositif pour convertir un signal video analogique en un signal a deux niveaux BE898990A (fr)

Applications Claiming Priority (1)

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.

Publications (1)

Publication Number Publication Date
BE898990A true BE898990A (fr) 1984-08-22

Family

ID=19841468

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/212445A BE898990A (fr) 1983-02-24 1984-02-22 Dispositif pour convertir un signal video analogique en un signal a deux niveaux

Country Status (6)

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

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
GB2135852A (en) 1984-09-05
FR2541838B1 (fr) 1987-10-09
FR2541838A1 (fr) 1984-08-31
JPH0439828B2 (cs) 1992-06-30
GB2135852B (en) 1987-05-07
JPS59161973A (ja) 1984-09-12
NL8300686A (nl) 1984-09-17
GB8404411D0 (en) 1984-03-28
DE3403792A1 (de) 1984-08-30

Similar Documents

Publication Publication Date Title
DE3669633D1 (de) Signalisierungsdetektion.
EP0840297A3 (en) Track detection circuit for optical disc playback apparatus
FR2604792B1 (fr) Dispositif pour traiter les signaux de sortie d'un pont de resistances
FR2414273A1 (fr) Procede pour convertir un signal video en un signal a deux niveaux
FR2399167A1 (fr) Circuit de fac-simile
BE898990A (fr) Dispositif pour convertir un signal video analogique en un signal a deux niveaux
FR2433862A1 (fr) Installation de circuits pour la detection d'erreurs dans des signaux numeriques
CA2100341A1 (en) High speed data detection and clock recovery in a received multi-level data signal
ATE205354T1 (de) Verfahren und anordnung zum umwandeln eines akustischen signals in ein elektrisches signal
EP0400730A3 (en) Zero crossing detector arrangements
EP0344751A3 (en) Code violation detection circuit for use in ami signal transmission
ES8308073A1 (es) "perfeccionamientos introducidos en un aparato para detectar defectos en objetos".
EP0330100A3 (en) Optical measuring device
CA2161042A1 (en) Digital phase reversal detector
WO1999003241A3 (en) Data slicing using n previously decoded symbols
EP0320641A3 (en) Device for automatically selecting the demodulation standard of a video signal, useful with an intermediate frequency demodulator
EP0158409A3 (en) Improved threshold detector
AU566217B2 (en) Analog signal verification circuit
FR2709005A1 (fr) Circuit destiné à une utilisation avec un agencement de retour.
RU1783613C (ru) Преобразователь кода
JPS5778266A (en) Video information input deivce
NO875147D0 (no) Fremgangsmaate for konvertering av signalnivaaer, samt anordning for utfoerelse av fremgangsmaaten.
SE9404278L (sv) Förfarande för bestämning av tidsläget för en periodiskt återkommande signal
KR870010530A (ko) 비디오 신호 재생장치의 fm 휘도신호의 복조장치
JPS5333519A (en) Quantization of video signal

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: N.V. PHILIPS' GLOEILAMPENFABRIEKEN

Effective date: 19920228