CA1025077A - Apparatus and method for photoelectric detection of the height of a stack of sheet material - Google Patents

Apparatus and method for photoelectric detection of the height of a stack of sheet material

Info

Publication number
CA1025077A
CA1025077A CA203,623A CA203623A CA1025077A CA 1025077 A CA1025077 A CA 1025077A CA 203623 A CA203623 A CA 203623A CA 1025077 A CA1025077 A CA 1025077A
Authority
CA
Canada
Prior art keywords
stack
height
sheet material
photoelectric detection
photoelectric
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
CA203,623A
Other languages
English (en)
French (fr)
Other versions
CA203623S (en
Inventor
Wolf-Rudiger Von Luhmann
Wilhelm Markgraf
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.)
Bauerle Mathias GmbH
Original Assignee
Bauerle Mathias GmbH
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
Priority claimed from DE19732333366 external-priority patent/DE2333366C3/de
Application filed by Bauerle Mathias GmbH filed Critical Bauerle Mathias GmbH
Application granted granted Critical
Publication of CA1025077A publication Critical patent/CA1025077A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/08—Supports or magazines for piles from which articles are to be separated with means for advancing the articles to present the articles to the separating device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/41—Photoelectric detectors
    • B65H2553/414—Photoelectric detectors involving receptor receiving light reflected by a reflecting surface and emitted by a separate emitter

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Paper Feeding For Electrophotography (AREA)
CA203,623A 1973-06-30 1974-06-27 Apparatus and method for photoelectric detection of the height of a stack of sheet material Expired CA1025077A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732333366 DE2333366C3 (de) 1973-06-30 Fotoelektrische Abtastvorrichtung

Publications (1)

Publication Number Publication Date
CA1025077A true CA1025077A (en) 1978-01-24

Family

ID=5885589

Family Applications (1)

Application Number Title Priority Date Filing Date
CA203,623A Expired CA1025077A (en) 1973-06-30 1974-06-27 Apparatus and method for photoelectric detection of the height of a stack of sheet material

Country Status (8)

Country Link
US (1) US3902713A (de)
JP (1) JPS5039142A (de)
AU (1) AU7169874A (de)
BE (1) BE815068A (de)
CA (1) CA1025077A (de)
FR (1) FR2235074B1 (de)
GB (1) GB1446824A (de)
NL (1) NL150397B (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4027155A (en) * 1975-08-13 1977-05-31 Edgar Rappaport Electro-optical counting device for counting products arranged in shingle-like fashion
US4047622A (en) * 1976-07-16 1977-09-13 Levi Strauss & Co. Pallet feeding apparatus
US4397457A (en) * 1980-06-11 1983-08-09 Molins Limited Sheet feeding apparatus
US4493606A (en) * 1982-05-24 1985-01-15 Proconics International, Inc. Wafer transfer apparatus
US4575298A (en) * 1982-12-29 1986-03-11 Reichel & Drews, Inc. Apparatus for destacking sheets of material
IT1171723B (it) * 1983-10-06 1987-06-10 Sernagiotto Off Mec Apparecchiatura automatica di controllo della sedimentazione dei fanghi presenti nei liquami in fase di depurazione
US4801135A (en) * 1987-06-19 1989-01-31 Xerox Corporation Sheet handling apparatus
US4937460A (en) * 1989-07-11 1990-06-26 Eaton Corporation Thickness sensor
US5083765A (en) * 1990-07-20 1992-01-28 Actmedia, Inc. Coupon dispenser
IT1255011B (it) * 1992-03-27 1995-10-13 Minnesota Mining & Mfg Metodo e dispositivo per determinare condizioni di pienezza in un magazzino ricevente di un dispositivo per trattare un film
JPH08180U (ja) * 1995-06-27 1996-02-02 シュタール・ゲーエムベーハー・ウント・コンパニー・マシーネンファブリーク 積載シ−ト検出装置
DE19533584C2 (de) * 1995-08-31 2001-03-08 Sms Demag Ag Meßsystem zur Erfassung eines Spaltes eines Walzenpaares
US5915690A (en) * 1997-05-22 1999-06-29 Troy Systems, Inc. Adjustable low paper sensor
DE19909518A1 (de) * 1998-03-23 1999-10-07 Heidelberger Druckmasch Ag Verfahren und Vorrichtung zur Erfassung der Lage von gestapeltem Material
US6386676B1 (en) * 2001-01-08 2002-05-14 Hewlett-Packard Company Reflective type media sensing methodology
US7374163B2 (en) * 2004-10-21 2008-05-20 Lexmark International, Inc. Media tray stack height sensor with continuous height feedback and discrete intermediate and limit states
US7549626B2 (en) * 2005-09-08 2009-06-23 Lexmark International, Inc. Media timing based on stack height for use within an image forming device
US20070248366A1 (en) * 2006-04-19 2007-10-25 Lexmark International, Inc. Devices for moving a media sheet within an image forming apparatus
US20070248365A1 (en) * 2006-04-19 2007-10-25 Lexmark International, Inc. Methods for moving a media sheet within an image forming device
US20070246880A1 (en) * 2006-04-19 2007-10-25 Kenji Totsuka Methods For Moving A Media Sheet Within An Image Forming Device
US7699305B2 (en) * 2007-03-29 2010-04-20 Lexmark International, Inc. Smart pick control algorithm for an image forming device
US9206007B2 (en) 2011-05-31 2015-12-08 Twist-Ease Inc. Bag dispenser

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1065085A (en) * 1909-02-15 1913-06-17 Clarence E Steere Paper-lifting device.
US1963310A (en) * 1931-11-05 1934-06-19 American Sheet & Tin Plate Sheet gauging machine
US2067613A (en) * 1932-09-19 1937-01-12 G M Lab Inc Electric control device
US2358103A (en) * 1939-09-25 1944-09-12 Bailey Meter Co Measuring apparatus
US3564264A (en) * 1968-12-19 1971-02-16 Erdco Eng Corp Device for counting particles in a flowing fluid

Also Published As

Publication number Publication date
AU7169874A (en) 1976-01-29
BE815068A (fr) 1974-09-02
NL7406217A (nl) 1975-01-02
FR2235074A1 (de) 1975-01-24
GB1446824A (en) 1976-08-18
FR2235074B1 (de) 1976-12-10
JPS5039142A (de) 1975-04-11
DE2333366A1 (de) 1975-01-16
NL150397B (nl) 1976-08-16
US3902713A (en) 1975-09-02
DE2333366B2 (de) 1975-06-12

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