FR2283494A2 - Procede et dispositif de balayage photoelectrique - Google Patents
Procede et dispositif de balayage photoelectriqueInfo
- Publication number
- FR2283494A2 FR2283494A2 FR7430405A FR7430405A FR2283494A2 FR 2283494 A2 FR2283494 A2 FR 2283494A2 FR 7430405 A FR7430405 A FR 7430405A FR 7430405 A FR7430405 A FR 7430405A FR 2283494 A2 FR2283494 A2 FR 2283494A2
- Authority
- FR
- France
- Prior art keywords
- scanning
- control zone
- count signals
- decide
- continues
- 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.)
- Granted
Links
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
- G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
- G08B13/184—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier using radiation reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
- F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
- F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
- F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
- F16P3/144—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact using light grids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/28—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with deflection of beams of light, e.g. for direct optical indication
- G01D5/30—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with deflection of beams of light, e.g. for direct optical indication the beams of light being detected by photocells
-
- 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
- G01V8/12—Detecting, e.g. by using light barriers using one transmitter and one receiver
- G01V8/18—Detecting, e.g. by using light barriers using one transmitter and one receiver using mechanical scanning systems
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Mechanical Engineering (AREA)
- Electronic Switches (AREA)
- Facsimile Scanning Arrangements (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7430405A FR2283494A2 (fr) | 1974-09-02 | 1974-09-02 | Procede et dispositif de balayage photoelectrique |
DE2552314A DE2552314C3 (de) | 1974-09-02 | 1975-11-21 | Lichtschranke |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7430405A FR2283494A2 (fr) | 1974-09-02 | 1974-09-02 | Procede et dispositif de balayage photoelectrique |
DE2552314A DE2552314C3 (de) | 1974-09-02 | 1975-11-21 | Lichtschranke |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2283494A2 true FR2283494A2 (fr) | 1976-03-26 |
FR2283494B2 FR2283494B2 (fr) | 1977-03-25 |
Family
ID=27623624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7430405A Granted FR2283494A2 (fr) | 1974-09-02 | 1974-09-02 | Procede et dispositif de balayage photoelectrique |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2552314C3 (fr) |
FR (1) | FR2283494A2 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2434332A1 (fr) * | 1978-08-25 | 1980-03-21 | Datalogic Spa | Barriere photoelectrique appartenant a un dispositif de securite contre les accidents pour des machines-outils |
WO1981000750A1 (fr) * | 1979-09-10 | 1981-03-19 | Ambler K | Ameliorations concernant un mecanisme de securite pour des appareils industriels |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4591708A (en) * | 1980-11-17 | 1986-05-27 | Del Mar Avionics | High-intensity opto-electronic sensor having low power consumption |
DE3131534A1 (de) * | 1981-08-08 | 1983-03-17 | Gebhard Balluff Fabrik feinmechanischer Erzeugnisse GmbH & Co, 7303 Neuhausen | Lichtschranke mit einem lichtsender und einem lichtempfaenger |
DE3312191A1 (de) * | 1983-04-02 | 1984-10-11 | Karl Mengele & Söhne Maschinenfabrik und Eisengießerei GmbH & Co, 8870 Günzburg | Schutzvorrichtung fuer mechanische schraenke und dergleichen geraete bzw. maschinen |
DE3601516A1 (de) * | 1986-01-20 | 1987-07-23 | Agie Ag Ind Elektronik | Lichtschranke |
DE3611408A1 (de) * | 1986-04-04 | 1987-10-15 | Kaltenbach & Voigt | Schaltungsanordnung zum ermitteln des vorhandenseins bzw. der entnahme von gegenstaenden, insbesondere von zahnaerztlichen behandlungsinstrumenten, in bzw. aus aufnahmen |
DE3825099A1 (de) * | 1988-07-23 | 1990-01-25 | Daimler Benz Ag | Vorrichtung zur optoelektronischen erfassung von physikalischen messgroessen |
DE3841665A1 (de) * | 1988-12-10 | 1990-07-26 | Fresenius Ag | Schaltung zum ueberwachen der funktion einer lichtschranke |
US5015840B1 (en) * | 1990-01-09 | 1995-04-11 | Scient Technologies Inc | Self-checking light curtain system and method of operation. |
DE4013507C2 (de) * | 1990-03-03 | 1995-04-06 | Bayerische Mas Ind Arno Keller | Behälter mit Flüssigkeit |
DE4221113C1 (de) * | 1992-06-26 | 1993-12-09 | Sick Optik Elektronik Erwin | Komparatorschaltung zur Auslösung eines Schaltvorganges beim Durchgang eines veränderlichen Meßsignals durch eine Schaltschwelle |
DE4323910C2 (de) * | 1993-07-16 | 1995-08-10 | Leuze Electronic Gmbh & Co | Lichtschranke mit einer Auswerteelektronik zum Erkennen von Störsignalen |
DE4326099A1 (de) * | 1993-08-04 | 1995-02-09 | Hella Kg Hueck & Co | Lichtschrankensystem |
DE4338978C2 (de) * | 1993-11-15 | 1998-05-07 | Sick Ag | Verfahren zur Feststellung defekter Lichtsender und/oder Lichtempfänger eines Lichtgitters und Lichtgitter |
DE4432114C1 (de) * | 1994-09-09 | 1995-06-08 | Hella Kg Hueck & Co | Schaltungsanordnung zur Fremdlichtunterdrückung bei einer Lichtschrankenanordnung |
DE102012101431B4 (de) * | 2012-02-23 | 2020-07-02 | Leuze Electronic Gmbh & Co. Kg | Sensoranordnung |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2135819A5 (fr) * | 1971-04-30 | 1972-12-22 | Cometa Sa | |
DE2247053C3 (de) * | 1972-09-26 | 1979-08-09 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Lichtschrankengitter |
US3886413A (en) * | 1973-01-29 | 1975-05-27 | Xenex Corp | Presence sensing and self-checking control system |
SE372085B (fr) * | 1973-02-27 | 1974-12-09 | L Svensson |
-
1974
- 1974-09-02 FR FR7430405A patent/FR2283494A2/fr active Granted
-
1975
- 1975-11-21 DE DE2552314A patent/DE2552314C3/de not_active Expired
Non-Patent Citations (3)
Title |
---|
A32-5 * |
I, ARTICLE: "FAULT DETECTION AND LOCATION TECHNIQUES FOR A PATH CONTROL UNIT" KARDOS .) * |
PUBLICATION US: "I.F.A.C. SYMPOSIUM ON PULSE RATE AND PULSE NUMBER SIGNALS IN AUTOMATIC CONTROL", BUDAPEST, 8-11 AVRIL 1968, HUNGARIAN ACADEMY OF SCIENCES, AUTOMATION RESEARCH INSTITUTE * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2434332A1 (fr) * | 1978-08-25 | 1980-03-21 | Datalogic Spa | Barriere photoelectrique appartenant a un dispositif de securite contre les accidents pour des machines-outils |
WO1981000750A1 (fr) * | 1979-09-10 | 1981-03-19 | Ambler K | Ameliorations concernant un mecanisme de securite pour des appareils industriels |
Also Published As
Publication number | Publication date |
---|---|
DE2552314A1 (de) | 1977-06-02 |
DE2552314C3 (de) | 1982-02-25 |
FR2283494B2 (fr) | 1977-03-25 |
DE2552314B2 (de) | 1980-02-07 |
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