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Current issue

ELEKTRO 12/2017 was released on December 6th 2017. Its digital version will be available on January 5th 2018.

Topic: Measurement, measuring devices and engineering; Testing and diagnostics

Main Article
Measurements on rotating machines using SFRA method
Application possibilities of ultra-capacitors or LiFePO4 batteries in trolley network of the Brno Public Transit Company

SVĚTLO (Light) 6/2017 was released on December 11th 2017. Its digital version will be available on january 11th 2018.

Lighting installations
The lighting of university building Centrale Supélec in Saclay in France
The light for our future

Daylight
Application and judgment light guides Solatube®

Low-cost infrared touch screen by Continental

30.12.2014 | |

Touchscreen is the best innovation till date in this decade in terms of display and interaction with the system. They have been used across industries. The automotive industry has integrated this in its dashboards,but mostly it is high-end class we see such technology. This is because of the high cost of the integration. This scenario may change with the rather cheap Continental “infrared curtain” which allows mutli-touch functionality only any automobile.

The infrared is made out of the combination of LEDs and photodiodes. The curtain is a square frame where in the LEDs are placed on two adjacent sides and likewise the photodiodes in the other two sides of the frame. The LED emits the photo beam which is picked up by the photodiode and the corresponding location on the opposite side of the frame is selected. This square frame is similar to the outside edges of the LCD screen with a capacitive touchscreen.

Image credit: Continental
Further reading at Gizmorati.com