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2. Electric eye - Wikipedia

   en.wikipedia.org/wiki/Electric_eye

   Electric eye for a garage door opener. An electric eye is a photodetector used for detecting obstruction of a light beam. An example is the door safety system used on garage door openers that use a light transmitter and receiver at the bottom of the door to prevent closing if there is any obstruction in the way that breaks the light beam. The ...

3. Garage door opener - Wikipedia

   en.wikipedia.org/wiki/Garage_door_opener

   The electric overhead garage door opener was invented by C.G. Johnson in 1926 in Hartford City, Indiana. [1] Electric Garage Door openers did not become popular until Era Meter Company of Chicago offered one after World War II where the overhead garage door could be opened via a key pad located on a post at the end of the driveway or a switch inside the garage.

4. Photoelectric sensor - Wikipedia

   en.wikipedia.org/wiki/Photoelectric_sensor

   Dark operate photo eyes become operational when the receiver "does not receive" the transmitter signal. The detecting range of a photoelectric sensor is its "field of view", or the maximum distance from which the sensor can retrieve information, minus the minimum distance. A minimum detectable object is the smallest object the sensor can detect.

5. Craftsman (tools) - Wikipedia

   en.wikipedia.org/wiki/Craftsman_(tools)

   Craftsman is a line of tools, lawn and garden equipment, and work wear.Originally a house brand established by Sears, the brand is now owned by Stanley Black & Decker.. As with all Sears products, Craftsman tools were not manufactured by Sears during the company's ownership, but made under contract by various other companies.

6. Sensor maker Gefran eyes M&A opportunities in Germany and ...

   www.aol.com/news/sensor-maker-gefran-eyes-m...

   Gefran, an Italian company specialised in sensors, is looking to take over peers in Germany and North America that have revenues of 10-20 million euros ($11.04 million-$22.09 million), its Chief ...

7. Telematics car insurance: Is the discount worth sharing your ...

   www.aol.com/finance/car-insurance-telematics...

   Uses your phone sensors and GPS to measure distance, acceleration, braking patterns and driving times. Download an app. Black box device. Mounts to the car’s interior. Self-install with adhesive ...