Technology
Membrane Potentiometers Simplify Position Sensing
Discusses how membrane potentiometers have changed the way engineers think about sensing and how they improve upon mechanical potentiometers. by Guido Woska Membrane potentiometers have changed the way engineers think...
Optical Elevator Door Sensor System with Planar Detection Area
A newly developed optical door sensor system improves detection performance, increases safety and overcomes the weaknesses of conventional door systems. by Emiko Sano, Masahiro Shikai, Yuki Kawae, Akihide Shiratsuki, Hajime...
Semiconductor Technologies for Novel Elevator Sensors
3D light curtains have their limitations, but novel semiconductor technologies may make up for those shortcomings. by Beat De Coi and Felix LustenbergerESPROS Photonics Ltd., Switzerland This paper was presented...
Modern LVDT Position Sensors
A chronicle of how the LVDT has evolved into a reliable, cost-effective linear feedback device for the positioning of elevator cars. by John Matlack and Mike Puccio The linear variable...
The Levytator: A New Innovation That Could Change Escalators as We Know Them
This paper discusses a new innovation that represents the first significant change in elevator design in more than 100 years. by Don Sadler, EW Correspondent What’s a common mechanical device...
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