FR1455478A - Device for detecting the presence of a sheet on the drum of a xerographic machine - Google Patents

Device for detecting the presence of a sheet on the drum of a xerographic machine

Info

Publication number
FR1455478A
FR1455478A FR34921A FR34921A FR1455478A FR 1455478 A FR1455478 A FR 1455478A FR 34921 A FR34921 A FR 34921A FR 34921 A FR34921 A FR 34921A FR 1455478 A FR1455478 A FR 1455478A
Authority
FR
France
Prior art keywords
drum
sheet
detecting
xerographic machine
xerographic
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
FR34921A
Other languages
French (fr)
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 Ltd
Original Assignee
Rank Xerox 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 Rank Xerox Ltd filed Critical Rank Xerox Ltd
Application granted granted Critical
Publication of FR1455478A publication Critical patent/FR1455478A/en
Expired 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
    • G03G15/706—Detecting missed stripping form xerographic drum, band or plate

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Paper Feeding For Electrophotography (AREA)
FR34921A 1964-10-14 1965-10-14 Device for detecting the presence of a sheet on the drum of a xerographic machine Expired FR1455478A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US403844A US3360652A (en) 1964-10-14 1964-10-14 Fail safe photoelectric sheet sensing machine control circuit

Publications (1)

Publication Number Publication Date
FR1455478A true FR1455478A (en) 1966-10-14

Family

ID=23597191

Family Applications (1)

Application Number Title Priority Date Filing Date
FR34921A Expired FR1455478A (en) 1964-10-14 1965-10-14 Device for detecting the presence of a sheet on the drum of a xerographic machine

Country Status (4)

Country Link
US (1) US3360652A (en)
DE (1) DE1522805C3 (en)
FR (1) FR1455478A (en)
GB (1) GB1121099A (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3521060A (en) * 1967-08-24 1970-07-21 Xerox Corp Method for detecting the misrouting of transparencies during the process of imaging thereon
US3501635A (en) * 1968-05-01 1970-03-17 Scripto Inc Portable thermographic copying machine with photoelectric means to activate the heat lamp thereof upon insertion of a specimen into the machine
DE1967317C2 (en) * 1969-07-14 1983-11-10 Canon K.K., Tokyo Measuring and control device for at least one functional sequence in one device
DE1935616C2 (en) 1969-07-14 1983-02-03 Canon K.K., Tokyo Measuring and control unit for cutting the copy paper that can be pulled off a roll
US3593065A (en) * 1969-07-14 1971-07-13 Xerox Corp Sheet detection apparatus
US3650619A (en) * 1971-02-01 1972-03-21 Xerox Corp Switching detector
US3650616A (en) * 1971-02-01 1972-03-21 Xerox Corp Mispuff detector
US3650618A (en) * 1971-02-01 1972-03-21 Xerox Corp Switching detector
US3650617A (en) * 1971-02-01 1972-03-21 Xerox Corp Switching detector
DE2158302C3 (en) * 1971-11-24 1981-06-11 Kleindienst Gmbh & Co Kg, 8900 Augsburg Arrangement for transporting a recording medium through a reading station
US3791729A (en) * 1972-07-11 1974-02-12 Xerox Corp Apparatus for monitoring a sheet transport mechanism
US3832065A (en) * 1973-03-23 1974-08-27 Xerox Corp Drum track detector
US3901607A (en) * 1974-02-21 1975-08-26 Xerox Corp High aperture reflection photodetector apparatus
JPS5123347Y1 (en) * 1975-03-10 1976-06-15
JPS5461938A (en) * 1977-10-27 1979-05-18 Konishiroku Photo Ind Co Ltd Copy concentration controller/paper clogging detector
JPS55159468A (en) * 1979-05-31 1980-12-11 Konishiroku Photo Ind Co Ltd Toner concentration control method of developer in electrophotographic type recorder
US4320961A (en) * 1980-01-28 1982-03-23 Nashua Corporation Jam detecting apparatus and method for electrostatic copier
US4925174A (en) * 1987-05-29 1990-05-15 Am International Incorporated Method and apparatus for controlling a collator
US7018121B2 (en) * 2004-03-11 2006-03-28 Lexmark International, Inc. Combined paper and transparency sensor for an image forming apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3284787A (en) * 1964-02-24 1966-11-08 Aseco Inc Multi-purpose alarm system
US3278754A (en) * 1964-09-16 1966-10-11 Ibm Photosensitive double document detector

Also Published As

Publication number Publication date
DE1522805C3 (en) 1974-12-05
DE1522805A1 (en) 1969-10-30
DE1522805B2 (en) 1974-04-18
GB1121099A (en) 1968-07-24
US3360652A (en) 1967-12-26

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