DE2821792A1 - Optoelektronische vorrichtung zur erkennung des reissens eines fadens, der sich linear im lichtbuendel der vorrichtung bewegt - Google Patents

Optoelektronische vorrichtung zur erkennung des reissens eines fadens, der sich linear im lichtbuendel der vorrichtung bewegt

Info

Publication number
DE2821792A1
DE2821792A1 DE19782821792 DE2821792A DE2821792A1 DE 2821792 A1 DE2821792 A1 DE 2821792A1 DE 19782821792 DE19782821792 DE 19782821792 DE 2821792 A DE2821792 A DE 2821792A DE 2821792 A1 DE2821792 A1 DE 2821792A1
Authority
DE
Germany
Prior art keywords
thread
light beam
light
signal
amplifier
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.)
Ceased
Application number
DE19782821792
Other languages
German (de)
English (en)
Inventor
Marcel Lefebvre
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.)
Telemecanique SA
Original Assignee
La Telemecanique Electrique SA
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 La Telemecanique Electrique SA filed Critical La Telemecanique Electrique SA
Publication of DE2821792A1 publication Critical patent/DE2821792A1/de
Ceased 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
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material
    • B65H63/024—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials
    • B65H63/028—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element
    • B65H63/032—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic
    • B65H63/0321—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic using electronic actuators
    • B65H63/0324—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to reduction in material tension, failure of supply, or breakage, of material responsive to breakage of materials characterised by the detecting or sensing element electrical or pneumatic using electronic actuators using photo-electric sensing means, i.e. the defect signal is a variation of light energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Electronic Switches (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
DE19782821792 1977-05-18 1978-05-18 Optoelektronische vorrichtung zur erkennung des reissens eines fadens, der sich linear im lichtbuendel der vorrichtung bewegt Ceased DE2821792A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7716222A FR2391141A1 (fr) 1977-05-18 1977-05-18 Dispositif opto-electronique de detection de la rupture d'un fil defilant lineairement dans le faisceau

Publications (1)

Publication Number Publication Date
DE2821792A1 true DE2821792A1 (de) 1978-11-23

Family

ID=9191343

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782821792 Ceased DE2821792A1 (de) 1977-05-18 1978-05-18 Optoelektronische vorrichtung zur erkennung des reissens eines fadens, der sich linear im lichtbuendel der vorrichtung bewegt

Country Status (4)

Country Link
JP (1) JPS542437A (enExample)
CH (1) CH624363A5 (enExample)
DE (1) DE2821792A1 (enExample)
FR (1) FR2391141A1 (enExample)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3124464A1 (de) * 1980-06-27 1982-03-18 Laurel Bank Machine Co., Ltd., Tokyo Lichtschranke
DE3120355A1 (de) * 1980-05-28 1982-08-26 Csepel Müvek Jármü- és Konfekcióipari Gépgyára, Budapest Fadenwaechter fuer naehmaschinen mit kurznaht
DE3214358A1 (de) * 1981-07-16 1983-02-03 Veb Kombinat Textima, Ddr 9010 Karl-Marx-Stadt Vorrichtung zur fadenueberwachung in einer textilmaschine
DE3311234A1 (de) * 1982-03-31 1983-10-06 Singer Co Vorrichtung zum ueberwachen eines unterfadenvorrats
DE3603649A1 (de) * 1986-02-06 1987-08-13 Baer Maschf Josef System zur ueberwachung der fadenzufuehrung bei wickelmaschinen, insbesondere fuer die roving-wickeltechnik
DE4323994A1 (de) * 1993-07-17 1995-01-19 Schlafhorst & Co W Verfahren zum Überwachen des laufenden Fadens an einer Spulstelle einer automatischen Spulmaschine
US5725165A (en) * 1993-07-17 1998-03-10 W. Schlafhorst Ag & Co. Method of monitoring the moving yarn at a winding station of an automatic winding frame

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0257496U (enExample) * 1988-07-05 1990-04-25

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3120355A1 (de) * 1980-05-28 1982-08-26 Csepel Müvek Jármü- és Konfekcióipari Gépgyára, Budapest Fadenwaechter fuer naehmaschinen mit kurznaht
DE3124464A1 (de) * 1980-06-27 1982-03-18 Laurel Bank Machine Co., Ltd., Tokyo Lichtschranke
DE3214358A1 (de) * 1981-07-16 1983-02-03 Veb Kombinat Textima, Ddr 9010 Karl-Marx-Stadt Vorrichtung zur fadenueberwachung in einer textilmaschine
DE3311234A1 (de) * 1982-03-31 1983-10-06 Singer Co Vorrichtung zum ueberwachen eines unterfadenvorrats
DE3603649A1 (de) * 1986-02-06 1987-08-13 Baer Maschf Josef System zur ueberwachung der fadenzufuehrung bei wickelmaschinen, insbesondere fuer die roving-wickeltechnik
DE4323994A1 (de) * 1993-07-17 1995-01-19 Schlafhorst & Co W Verfahren zum Überwachen des laufenden Fadens an einer Spulstelle einer automatischen Spulmaschine
US5725165A (en) * 1993-07-17 1998-03-10 W. Schlafhorst Ag & Co. Method of monitoring the moving yarn at a winding station of an automatic winding frame
DE4323994C2 (de) * 1993-07-17 2001-02-22 Schlafhorst & Co W Verfahren zum Überwachen des laufenden Fadens an einer Spulstelle einer automatischen Spulmaschine

Also Published As

Publication number Publication date
JPS5520975B2 (enExample) 1980-06-06
FR2391141B1 (enExample) 1980-09-19
JPS542437A (en) 1979-01-10
CH624363A5 (en) 1981-07-31
FR2391141A1 (fr) 1978-12-15

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8131 Rejection