DE2122481C2 - Faksimile-Abtastvorrichtung - Google Patents

Faksimile-Abtastvorrichtung

Info

Publication number
DE2122481C2
DE2122481C2 DE19712122481 DE2122481A DE2122481C2 DE 2122481 C2 DE2122481 C2 DE 2122481C2 DE 19712122481 DE19712122481 DE 19712122481 DE 2122481 A DE2122481 A DE 2122481A DE 2122481 C2 DE2122481 C2 DE 2122481C2
Authority
DE
Germany
Prior art keywords
amplifier
transistor
output
voltage
circuit
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
DE19712122481
Other languages
German (de)
English (en)
Other versions
DE2122481A1 (de
Inventor
David R. Webster N.Y. Shuey
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of DE2122481A1 publication Critical patent/DE2122481A1/de
Application granted granted Critical
Publication of DE2122481C2 publication Critical patent/DE2122481C2/de
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40Picture signal circuits
    • H04N1/403Discrimination 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)
  • Facsimile Scanning Arrangements (AREA)
  • Facsimile Heads (AREA)
  • Image Input (AREA)
DE19712122481 1970-05-06 1971-05-06 Faksimile-Abtastvorrichtung Expired DE2122481C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3504870A 1970-05-06 1970-05-06

Publications (2)

Publication Number Publication Date
DE2122481A1 DE2122481A1 (de) 1971-11-25
DE2122481C2 true DE2122481C2 (de) 1983-08-04

Family

ID=21880306

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712122481 Expired DE2122481C2 (de) 1970-05-06 1971-05-06 Faksimile-Abtastvorrichtung

Country Status (7)

Country Link
JP (1) JPS5244171B1 (OSRAM)
BE (1) BE766778A (OSRAM)
CA (1) CA942679A (OSRAM)
DE (1) DE2122481C2 (OSRAM)
FR (1) FR2088395B1 (OSRAM)
GB (1) GB1310337A (OSRAM)
NL (1) NL7105991A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56123176A (en) * 1980-03-05 1981-09-28 Ricoh Co Ltd Processing method for picture signal

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT

Also Published As

Publication number Publication date
NL7105991A (OSRAM) 1971-11-09
DE2122481A1 (de) 1971-11-25
FR2088395A1 (OSRAM) 1972-01-07
JPS5244171B1 (OSRAM) 1977-11-05
BE766778A (fr) 1971-11-08
CA942679A (en) 1974-02-26
FR2088395B1 (OSRAM) 1976-12-03
GB1310337A (en) 1973-03-21

Similar Documents

Publication Publication Date Title
DE2063953C3 (de) Vorrichtung zur Signalaufbereitung analoger Abtastsignale für einen Zeichenleser
DE2748325C2 (de) Beleuchtungs-Kompensationsschaltung
DE3854094T2 (de) Apparat zum Betreiben einer Halbleiterlaservorrichtung.
DE69104026T2 (de) Lasertreiber mit mehreren rückkopplungsschleifen.
DE1922372C3 (de) Schaltung zur Impulswiederherstellung aus einem Video-Signal einer Zeichenabtastung
DE3138225C2 (OSRAM)
DE3138226C2 (OSRAM)
DE2545961B2 (de) Vorrichtung zum Herstellen von korrigierten Farbauszügen
DE3045441C2 (de) Klopferfassungseinrichtung für Brennkraftmaschinen
DE2918318A1 (de) Autoadaptativer analog-digitalwandler fuer die bildanalyse
DE2710875A1 (de) Optische impulsuebertragungsvorrichtung
DE3726696C2 (OSRAM)
DE19505054C2 (de) Feuchtigkeitsmeßfühler
DE2122481C2 (de) Faksimile-Abtastvorrichtung
DE2237811C3 (de) Anordnung zur Abtastung von Marken auf bewegten Aufzeichnungsträgern
DE1522539A1 (de) Verfahren und Vorrichtung zur Erzeugung von Grautoenen auf einer Lamellen-Druckform
DE4015087A1 (de) Oszillationssteuergeraet fuer einen ultraschalloszillator
DE3109072A1 (de) Einrichtung zum einstellen von videosignalen
DE2456036B2 (de) Dokumentenfeststellvorrichtung
DE2741952C3 (OSRAM)
DE2149440A1 (de) Temperaturkompensationsschaltung fuer eine Photowiderstandszelle
DE2553077A1 (de) Vorrichtung zur abtastung einer markierung auf einem papier
DE3340721C2 (de) System zur Verarbeitung von Videosignalen
DE1912596C3 (de) Vorrichtung zum elektrischen Perforieren von Schablonen zur Herstellung von Halbtondrucken
DE2713131C3 (de) Verfahren und Vorrichtung zur Umformung des von einem photoelektrischen Empfänger bei der Abtastung von Marken erhaltenen Signals in ein binäres Signal

Legal Events

Date Code Title Description
OD Request for examination
8176 Proceedings suspended because of application no:

Ref document number: 2000514

Country of ref document: DE

Format of ref document f/p: P

8178 Suspension cancelled
8162 Independent application
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee