EP0813913A3 - Method for recognizing overlapping between flat mail objects - Google Patents

Method for recognizing overlapping between flat mail objects Download PDF

Info

Publication number
EP0813913A3
EP0813913A3 EP97108423A EP97108423A EP0813913A3 EP 0813913 A3 EP0813913 A3 EP 0813913A3 EP 97108423 A EP97108423 A EP 97108423A EP 97108423 A EP97108423 A EP 97108423A EP 0813913 A3 EP0813913 A3 EP 0813913A3
Authority
EP
European Patent Office
Prior art keywords
mail items
height
flat mail
diodes
mail objects
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.)
Withdrawn
Application number
EP97108423A
Other languages
German (de)
French (fr)
Other versions
EP0813913A2 (en
Inventor
Stefan Werner Neumann
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0813913A2 publication Critical patent/EP0813913A2/en
Publication of EP0813913A3 publication Critical patent/EP0813913A3/en
Withdrawn legal-status Critical Current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
    • 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
    • B65H7/06—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 responsive to presence of faulty articles or incorrect separation or feed
    • B65H7/12—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 responsive to presence of faulty articles or incorrect separation or feed responsive to double feed or separation
    • B65H7/125—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 responsive to presence of faulty articles or incorrect separation or feed responsive to double feed or separation sensing the double feed or separation without contacting the articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C1/00—Measures preceding sorting according to destination
    • B07C1/02—Forming articles into a stream; Arranging articles in a stream, e.g. spacing, orientating

Abstract

Die Erfindung betrifft ein Verfahren zum Erkennen von Überlappungen von flachen Sendungen unter Verwendung von optischen Meßmitteln zum Messen der Sendungshöhe der vereinzelten Sendungen. Erfindungsgemäß wird bei einem ermittelten Höhensprung während des Durchlaufens der Sendungen durch das optische Meßsystem und wiederholten Höhenmessung eine Überlappung gemeldet. Unter Beachtung des Öffnungswinkels µ der Senderdioden S werden vorteilhafterweise die Senderdioden S und zugehörigen Empfängerdioden E gleichzeitig und nacheinander ausgewertet, die sich nicht gegenseitig beeinflussen.

Figure 00000001
The invention relates to a method for detecting overlaps of flat mail items using optical measuring means for measuring the mail item height of the individual mail items. According to the invention, an overlap is reported in the event of a determined jump in height while the mail items pass through the optical measuring system and repeated height measurement. Taking into account the opening angle μ of the transmitter diodes S, the transmitter diodes S and associated receiver diodes E, which do not influence one another, are advantageously evaluated simultaneously and in succession.
Figure 00000001
EP97108423A 1996-06-22 1997-05-24 Method for recognizing overlapping between flat mail objects Withdrawn EP0813913A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1996125044 DE19625044A1 (en) 1996-06-22 1996-06-22 Method for recognizing overlapping of flat items
DE19625044 1996-06-22

Publications (2)

Publication Number Publication Date
EP0813913A2 EP0813913A2 (en) 1997-12-29
EP0813913A3 true EP0813913A3 (en) 1999-01-20

Family

ID=7797734

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97108423A Withdrawn EP0813913A3 (en) 1996-06-22 1997-05-24 Method for recognizing overlapping between flat mail objects

Country Status (2)

Country Link
EP (1) EP0813913A3 (en)
DE (1) DE19625044A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10142331C1 (en) * 2001-08-30 2003-03-27 Siemens Dematic Ag Method and arrangement for detecting overlaps
KR20040077668A (en) 2001-12-03 2004-09-06 지멘스 악티엔게젤샤프트 Multiples detect apparatus and method
DE10307770B4 (en) * 2003-02-14 2005-05-04 Visolux Zweigniederlassung Der Pepperl + Fuchs Gmbh Method for operating a light grid for monitoring geometric features of a material web
DE10310546B3 (en) * 2003-03-11 2004-08-26 Siemens Ag Sorting system for letters or flat packages has singling system with detector for single and multiple groups of letters followed by sorting station
DE10361720B3 (en) 2003-12-30 2005-05-25 Siemens Ag Process for identifying overlapped letters in a transport path for consecutively transported letters comprises arranging two transport stages behind each other
EP3530360A1 (en) * 2018-02-21 2019-08-28 Siemens Aktiengesellschaft Detection of non-conveyable mail items

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0167091A1 (en) * 1984-07-03 1986-01-08 Licentia Patent-Verwaltungs-GmbH Separating device for flat articles
FR2576528A1 (en) * 1985-01-30 1986-08-01 Hotchkiss Brandt Sogeme Processing method for the separating of objects
US4733226A (en) * 1986-01-07 1988-03-22 Nec Corporation Overlapped-transfer detecting apparatus for mail article
US5015840A (en) * 1990-01-09 1991-05-14 Scientific Technologies Incorporated Self-checking light curtain system and method of operation
US5331151A (en) * 1993-01-25 1994-07-19 Pressco Technology, Inc. Multiple envelope detector

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1210601B (en) * 1960-08-15 1966-02-10 Standard Elektrik Lorenz Ag Photoelectric control device to recognize double draws
US4576287A (en) * 1982-09-10 1986-03-18 Omation Corporation Apparatus and method for checking the contents of envelopes and sorting documents by thickness
DE4337004A1 (en) * 1993-10-29 1995-05-04 Licentia Gmbh Device and method for detecting overlaps of flexible flat mail items

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0167091A1 (en) * 1984-07-03 1986-01-08 Licentia Patent-Verwaltungs-GmbH Separating device for flat articles
FR2576528A1 (en) * 1985-01-30 1986-08-01 Hotchkiss Brandt Sogeme Processing method for the separating of objects
US4733226A (en) * 1986-01-07 1988-03-22 Nec Corporation Overlapped-transfer detecting apparatus for mail article
US5015840A (en) * 1990-01-09 1991-05-14 Scientific Technologies Incorporated Self-checking light curtain system and method of operation
US5015840B1 (en) * 1990-01-09 1995-04-11 Scient Technologies Inc Self-checking light curtain system and method of operation.
US5331151A (en) * 1993-01-25 1994-07-19 Pressco Technology, Inc. Multiple envelope detector

Also Published As

Publication number Publication date
EP0813913A2 (en) 1997-12-29
DE19625044A1 (en) 1998-01-02

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