by Susan Davey The elevator business is truly a big business. Public-use elevators literally line the globe from the U.S. to Australia, China, the U.A.E., India, Africa and Europe. Technology is moving so quickly today that building owners and the general public can quickly find themselves left behind. This is particularly true with elevators and…
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This is the second article in a three-part series that examines movies that feature an elevator as a primary setting, rather than just as a prop that facilitates action. This month, four movies will be reviewed: De Lift (1983), Abwärts (1984), The Elevator (1996) and Down (2001). These films include two horror movies, one disaster…
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By Jeffrey Sargent Provisions were added to NFPA 70®, National Electrical Code® (NEC) and NFPA 70E® requiring that labels on electrical equipment convey an important safety message to employees who have to examine, adjust, service or maintain energized electrical equipment. Reading those labels is akin to a consumer reading a product label: They tell what…
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Pizzato Elettrica S.r.l. (www.pizzato.com) is a European firm that manufactures position switches, safety and lift devices, foot switches, micro switches, control and signaling devices, and lift control stations. The company has focused on Italian and European market development and experienced constant growth since its beginning in 1984. According to Pizzato Elettrica, it is able to…
Read More In a year dominated by news coverage of the Burj Khalifa, the world’s new tallest building, 2010 has seen the completion of more skyscrapers than any previous year. Including the Burj Khalifa, eight supertall buildings were among the tallest 20, four of which are over 400 meters in height. A look at the diagram of…
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There are many types of sensors available for person/object and car/cabin detection. This article examines some of the current elevator sensor solutions.
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A look at how load weighing devices feature into modern elevators.
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Discusses how membrane potentiometers have changed the way engineers think about sensing and how they improve upon mechanical potentiometers.
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A newly developed optical door sensor system improves detection performance, increases safety and overcomes the weaknesses of conventional door systems.
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3D light curtains have their limitations, but novel semiconductor technologies may make up for those shortcomings.
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