JPH0551877B2 - - Google Patents

Info

Publication number
JPH0551877B2
JPH0551877B2 JP62081356A JP8135687A JPH0551877B2 JP H0551877 B2 JPH0551877 B2 JP H0551877B2 JP 62081356 A JP62081356 A JP 62081356A JP 8135687 A JP8135687 A JP 8135687A JP H0551877 B2 JPH0551877 B2 JP H0551877B2
Authority
JP
Japan
Prior art keywords
light
counter
output
emitting element
input side
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 - Lifetime
Application number
JP62081356A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62239079A (ja
Inventor
Gumaindaa Heruman
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.)
Kaltenbach and Voigt GmbH
Original Assignee
Kaltenbach and Voigt 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
Application filed by Kaltenbach and Voigt GmbH filed Critical Kaltenbach and Voigt GmbH
Publication of JPS62239079A publication Critical patent/JPS62239079A/ja
Publication of JPH0551877B2 publication Critical patent/JPH0551877B2/ja
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
    • A61G15/14—Dental work stands; Accessories therefor
    • A61G15/16—Storage, holding or carrying means for dental handpieces or the like
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • G01V8/20—Detecting, e.g. by using light barriers using multiple transmitters or receivers

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
  • Geophysics And Detection Of Objects (AREA)
JP62081356A 1986-04-04 1987-04-03 物体の存在ないし取出し検出回路装置 Granted JPS62239079A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3611408.1 1986-04-04
DE19863611408 DE3611408A1 (de) 1986-04-04 1986-04-04 Schaltungsanordnung zum ermitteln des vorhandenseins bzw. der entnahme von gegenstaenden, insbesondere von zahnaerztlichen behandlungsinstrumenten, in bzw. aus aufnahmen

Publications (2)

Publication Number Publication Date
JPS62239079A JPS62239079A (ja) 1987-10-19
JPH0551877B2 true JPH0551877B2 (enrdf_load_stackoverflow) 1993-08-03

Family

ID=6297988

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62081356A Granted JPS62239079A (ja) 1986-04-04 1987-04-03 物体の存在ないし取出し検出回路装置

Country Status (4)

Country Link
JP (1) JPS62239079A (enrdf_load_stackoverflow)
DE (1) DE3611408A1 (enrdf_load_stackoverflow)
FR (1) FR2596874B1 (enrdf_load_stackoverflow)
IT (2) IT1208370B (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990008333A1 (en) * 1988-11-04 1990-07-26 Mats Linger Safety guard beam light switch
DE4142529C2 (de) * 1991-12-21 1994-08-25 Hirschmann Richard Gmbh Co Sicherungseinrichtung
DE9320949U1 (de) * 1993-03-25 1995-06-22 Kaltenbach & Voigt Gmbh & Co, 88400 Biberach Lichtschranke, insbesondere für eine Ablageeinrichtung für ärztliche oder zahnärztliche Handinstrumente
DE4432114C1 (de) * 1994-09-09 1995-06-08 Hella Kg Hueck & Co Schaltungsanordnung zur Fremdlichtunterdrückung bei einer Lichtschrankenanordnung
DE19605102A1 (de) * 1996-02-12 1997-08-14 Siemens Nixdorf Inf Syst Infrarot-Sicherungssystem

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE7507246L (sv) * 1974-07-04 1976-01-05 Vega Cantley Instr Co Ltd Sekerhetsanordningar och i synnerhet men icke uteslutande till pulsmodulerade ljusskydd for anvendning pa maskiner och maskinverktyg.
FR2283494A2 (fr) * 1974-09-02 1976-03-26 Cometa Procede et dispositif de balayage photoelectrique
JPS5625431Y2 (enrdf_load_stackoverflow) * 1974-10-11 1981-06-16
DE2648631C2 (de) * 1976-10-27 1986-07-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Lichtelektrische Schranke mit Paaren von lichtelektrischen Sendern und Empfängern
JPS5376948U (enrdf_load_stackoverflow) * 1976-11-30 1978-06-27
DE2823858C2 (de) * 1978-05-31 1985-12-19 Siemens AG, 1000 Berlin und 8000 München Ablagevorrichtung für zahnärztliche Handstücke
DE3223686C2 (de) * 1982-06-25 1984-04-12 E M D A Fabrik elektro-medizinischer und dentaler Apparate Georg Hartmann GmbH & Co KG, 6000 Frankfurt Dentaleinheit zur Aufbewahrung zahnärztlicher Hilfsmittel
DE3243294A1 (de) * 1982-11-23 1984-05-24 Siemens AG, 1000 Berlin und 8000 München Steuereinrichtung fuer in einem zahnaerztlichen geraet in ablagen gehalterte instrumente
JPS6057285A (ja) * 1983-09-09 1985-04-03 Anritsu Corp 受光弁別装置
DE3345008A1 (de) * 1983-12-13 1985-06-13 Kochs Adler Ag, 4800 Bielefeld Verfahren zum betreiben einer mehrzahl von unmittelbar zueinander benachbart an einer arbeitsmaschine, insbesondere einer naehmaschine, angeordneten lichtschrankenanordnungen und schaltungsanordnung zur durchfuehrung des verfahrens

Also Published As

Publication number Publication date
DE3611408C2 (enrdf_load_stackoverflow) 1988-08-11
IT8767266A0 (it) 1987-04-02
IT1208370B (it) 1989-06-12
JPS62239079A (ja) 1987-10-19
FR2596874A1 (fr) 1987-10-09
DE3611408A1 (de) 1987-10-15
IT8753188V0 (it) 1987-04-02
FR2596874B1 (fr) 1990-02-09

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