Positioning apparatus and movement sensor

A movement sensor for a multi-bar positioner includes a first section having a curved corner reflector (76), a second section (70), and a third section with an analog position-sensitive-photodiode (84). The second section (70) has three LEDs (72, 82) and four photodetectors (74). Two of the LEDs (72...

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Bibliographische Detailangaben
Hauptverfasser:	MCVICKER, GERARD, PAWLETKO, JOSEPH P, KARIDIS, JOHN P
Format:	Patent
Sprache:	eng
Schlagworte:	CHAMBERS PROVIDED WITH MANIPULATION DEVICES COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION HAND TOOLS MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS MANIPULATORS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TRANSPORTING
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Beschreibung
Zusammenfassung:	A movement sensor for a multi-bar positioner includes a first section having a curved corner reflector (76), a second section (70), and a third section with an analog position-sensitive-photodiode (84). The second section (70) has three LEDs (72, 82) and four photodetectors (74). Two of the LEDs (72) and the four photodetectors (74) face a first direction towards the corner reflector (76). The third LED (82) faces a second direction, different than the first direction, towards the position-sensitive-photodiode (84). The second section can be mounted on an arm of the positioner and used in conjunction with the first and third sections to determine movement or position of that arm.