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Reports on developments in motion sensor technology. Popularity of optical encoders; Increased operating temperatures; Benefits of flexible mounts; Electrical interface improvements; Immunization of sensors to noise; Customization. INSETS: Charting a course for motion control.;Optical encoders keep pace with higher demands.;Gyros sport a new spin..

Highlights the Banner Engineering Corp.'s PicoDot laser sensor. Ability to detect extremely narrow objects against close-in backgrounds; High-speed applications.

Cites National Semiconductor's temperature sensor which comes in an SOT-23 TinyPak and operates on only 2.7 volts.

Features Usar Systems' HulaPoint, a pointing device incorporating Hall-effect sensors. Embedding of a magnetic ring on the device's thumb pad; Control of motion-sensing algorithms; Durability.

Reports on the University of Tokyo's development of a fingertiplike sensor that provides tactile feedback for machines. Specifications of the probe; Creation of an ultrasonic wave; Use of a detector array.