NEWS
Home >  News

FAQ about Proximity Switch or Cloth the Switch

Oct 18, 2017

What is the use of proximity switch?

A proximity switch is a device which causes a switching action without physical contact. SCHMERSAL proximity switches respond to targets that come within the active range of their generated sensing fields.


Recommended product A:

Proximity Switch or Cloth the Switch


How do proximity switches work?

A proximity sensor often emits an electromagnetic field or a beam of electromagnetic radiation (infrared, for instance), and looks for changes in the field or return signal. The object being sensed is often referred to as the proximitysensor's target. Different proximity sensor targets demand different sensors.


Recommended product B:

Proximity Switch or Cloth the Switch


What is the meaning of proximity sensor in mobile phones?

mobile phones use IR-based proximity sensors to detect the presence of a human ear. This sensing is done for two purposes: Reduce display power consumption by turning off the LCD backlight and to disable the touch screen to avoid inadvertent touches by the cheek.


Hot Products
Contact Us
  • Tel: +86 25 8467 0370 / +86 25 8460 9021
  • E-mail: nianrong@ahest.com
  • Fax: +86 25 8467 0370
  • Add: Room 201-1, Bldg B, 33, Dongqi Road, Jiangning District, Nanjing, China, 211103
Follow Us

Copyright © Nanjing AH Electronic Science & Technology Co., Ltd. All Rights Reserved

Technical Support:      | Sitemap |