DE2116802A1 - - Google Patents

Info

Publication number
DE2116802A1
DE2116802A1 DE19712116802 DE2116802A DE2116802A1 DE 2116802 A1 DE2116802 A1 DE 2116802A1 DE 19712116802 DE19712116802 DE 19712116802 DE 2116802 A DE2116802 A DE 2116802A DE 2116802 A1 DE2116802 A1 DE 2116802A1
Authority
DE
Germany
Prior art keywords
light
circuit
sheet
sample
transported
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.)
Pending
Application number
DE19712116802
Other languages
German (de)
English (en)
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 DE2116802A1 publication Critical patent/DE2116802A1/de
Priority to FR7143248A priority Critical patent/FR2117285A5/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/70—Detecting malfunctions relating to paper handling, e.g. jams
    • G03G15/703—Detecting multiple sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/14—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors by photoelectric feelers or detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Paper Feeding For Electrophotography (AREA)
DE19712116802 1970-04-06 1971-04-17 Pending DE2116802A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7143248A FR2117285A5 (fr) 1970-12-05 1971-12-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US025804A US3882308A (en) 1970-04-06 1970-04-06 Detection system for superposed sheets

Publications (1)

Publication Number Publication Date
DE2116802A1 true DE2116802A1 (fr) 1971-10-21

Family

ID=21828143

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712116802 Pending DE2116802A1 (fr) 1970-04-06 1971-04-17

Country Status (4)

Country Link
US (1) US3882308A (fr)
CA (1) CA929632A (fr)
DE (1) DE2116802A1 (fr)
GB (1) GB1342838A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0087487A1 (fr) * 1982-03-01 1983-09-07 Christian P. Bourg Dispositif de collationnement de feuilles
DE3230524A1 (de) * 1982-08-17 1984-02-23 Agfa-Gevaert Ag, 5090 Leverkusen Einrichtung zum erkennen von zwei oder mehreren uebereinanderliegenden filmblaettern

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5961948U (ja) * 1982-10-18 1984-04-23 株式会社東芝 給紙装置
US4540887A (en) * 1983-01-28 1985-09-10 Xerox Corporation High contrast ratio paper sensor
US4577096A (en) * 1983-08-15 1986-03-18 Xerox Corporation Multiple copy and transparency detector with illumination control
GB2194040A (en) * 1986-07-23 1988-02-24 Ratby Eng Co Ltd Paper feed control apparatus
GB8629209D0 (en) * 1986-12-05 1987-01-14 Smiths Industries Plc Control means
US4831273A (en) * 1987-10-29 1989-05-16 Pitney Bowes Inc. Mailing machine sensing device
US5146087A (en) * 1991-07-23 1992-09-08 Xerox Corporation Imaging process with infrared sensitive transparent receiver sheets
JP3393175B2 (ja) * 1997-07-02 2003-04-07 理想科学工業株式会社 印刷機の給紙装置
JP3431866B2 (ja) * 1999-08-31 2003-07-28 理想科学工業株式会社 重送検出装置および重送検出方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2512247A (en) * 1946-08-07 1950-06-20 X Ray Electronic Corp Antimagnetically shielded photocell
US2517330A (en) * 1949-09-07 1950-08-01 Johns Manville Apparatus for measuring the thickness of semiopaque material
US2646556A (en) * 1950-06-17 1953-07-21 C O Two Fire Equipment Co Supervised alarm system
US3026419A (en) * 1959-05-11 1962-03-20 Ibm Overlap detector
US3372276A (en) * 1965-05-21 1968-03-05 Atomic Energy Commission Usa Method and system for the non-destructive inspection of variable density plates

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0087487A1 (fr) * 1982-03-01 1983-09-07 Christian P. Bourg Dispositif de collationnement de feuilles
DE3230524A1 (de) * 1982-08-17 1984-02-23 Agfa-Gevaert Ag, 5090 Leverkusen Einrichtung zum erkennen von zwei oder mehreren uebereinanderliegenden filmblaettern
EP0103153A2 (fr) * 1982-08-17 1984-03-21 Agfa-Gevaert AG Dispositif de perception pour deux ou plusieurs films en feuille
EP0103153A3 (en) * 1982-08-17 1984-08-01 Agfa-Gevaert Aktiengesellschaft Detecting device for two or several overlapping film sheets

Also Published As

Publication number Publication date
CA929632A (en) 1973-07-03
US3882308A (en) 1975-05-06
GB1342838A (en) 1974-01-03

Similar Documents

Publication Publication Date Title
DE2116803A1 (de) Fühlervorrichtung zur Feststellung von transportiertem Blattmaterial
DE69108198T2 (de) Elektrophotographisches Gerät und Verfahren.
DE2505833C2 (de) Elektrophotographisches Kopiergerät mit einer Bildrandlöscheinrichtung
DE3906630A1 (de) Kombinierte elektrografische druck-, kopier- und telefax-einrichtung mit duplex-einheit
DE1914959A1 (de) Verfahren und Vorrichtung zum Herstellen von zweiseitigen elektrographischen Kopien
DE1934625A1 (de) Elektrostatisches Kopier- und Vervielfaeltigungsverfahren und Vorrichtung zur Durchfuehrung des Verfahrens
DE2058481A1 (de) Verfahren und Vorrichtung zur UEbertragung eines elektrophotographischen Tonerbildes
DE2361670B2 (de) Elektrostatische Kopiermaschine mit einer Beleuchtungseinrichtung zum Totalbelichten vorbestimmter bildfreier Bereiche auf dem Aufzeichnungsmaterial
DE2116802A1 (fr)
DE2924166C2 (de) Steuereinrichtung für elektrophotographische Kopiergeräte
DE1597385A1 (de) Regeleinrichtung fuer die Lichtstaerke eines Aufnahmeapparates
DE2342898A1 (de) Verfahren zur abschaltung elektrostatischer kopiergeraete bei papierausfall
DE2408411A1 (de) Logiksteuerung fuer tonerabgabe
DE2851910B2 (de) Magnetbürsten-Entwicklungsvorrichtung
DE2062961A1 (de) Regeleinrichtung fur elektrostato graphischen Entwicklerstoff
DE2454152A1 (de) Doppelzweck-blatthandhabungsvorrichtung
DE3348081C2 (fr)
DE2511589A1 (de) Elektrofotografisches reproduktionsgeraet
DE2457280A1 (de) Verfahren und vorrichtung zum vermindern der phasendifferenz zwischen zwei periodischen signalen
DE3802557A1 (de) Bilderzeugungsgeraet
DE2040399A1 (de) Projektionseinrichtung
DE3309468C2 (fr)
DE2850965A1 (de) Elektrophotographische vorrichtung
DE2450145C3 (de) Vorrichtung zum Steuern der Tonerkonzentration bei einem elektrophotographischen Kopiergerät
DE69203116T2 (de) Bilderzeugungsgerät.