CA929632A - Detection system for superposed sheets - Google Patents

Detection system for superposed sheets

Info

Publication number
CA929632A
CA929632A CA096298A CA96298A CA929632A CA 929632 A CA929632 A CA 929632A CA 096298 A CA096298 A CA 096298A CA 96298 A CA96298 A CA 96298A CA 929632 A CA929632 A CA 929632A
Authority
CA
Canada
Prior art keywords
detection system
superposed sheets
superposed
sheets
detection
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
CA096298A
Other languages
English (en)
Inventor
W. Daughton John
L. Schluntz Gary
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
Application granted granted Critical
Publication of CA929632A publication Critical patent/CA929632A/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
    • G03G15/703—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)
CA096298A 1970-04-06 1970-10-22 Detection system for superposed sheets Expired CA929632A (en)

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
CA929632A true CA929632A (en) 1973-07-03

Family

ID=21828143

Family Applications (1)

Application Number Title Priority Date Filing Date
CA096298A Expired CA929632A (en) 1970-04-06 1970-10-22 Detection system for superposed sheets

Country Status (4)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3270835D1 (en) * 1982-03-01 1986-06-05 Christian Pierre Bourg Sheet collator
DE3230524C2 (de) * 1982-08-17 1987-04-09 Agfa-Gevaert Ag, 5090 Leverkusen Einrichtung zum Erkennen von zwei oder mehreren Übereinanderliegenden Filmblättern
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

Also Published As

Publication number Publication date
GB1342838A (en) 1974-01-03
DE2116802A1 (fr) 1971-10-21
US3882308A (en) 1975-05-06

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