TELEVISION REMOTE(1950)

ZENITH RADIO CORPORATION ELIMINATES EXERTION FROM TELIVATION VIEWING

By The 1950, television set was begin to establish itself as a firm feature of the family living room and viewers soon grew tired of constantly having to leave the comfort of their favorite armchair to change the channel

The remote control circuit works on the basic of infrared light in the invisible portion of electromagnetic spectrum. In infrared remote control (the transmitter) sends out pulses of infrared light that Represent a specific binary code. These binary codes corresponds to command, such as volume up down and power on/off

One of the first incarnations of the remote control was the 1948 Garod “Telezoom.” This small, round, single button remote was connected to the television by a wire, but its only function was to enlarge the picture on the screen. Thus it was zenith Radio Corporation (Now zenith Electronics Corporation) that pioneered the modern remote control. The founder president, Eugene F.McDonald, Jr., was worried that advertisement would kill television and so challenged to invent something that would “tune out annoying commercial.” In 1950 the rather aptly named “lazy bones” was born. The remote control activated a motor in the television set that operate the tuner .however the device was still connected to television via a cable.aaa

Five years later zenith engineer Eugene Polley came up with the “Flashmatic,” which used the beam of light rather like a flash light to change the channel ,cut off the sound and, and activate the television. Unfortunately the light sensor in the television were so sensitive that a beam of sunlight could turn on or off randomly.

In 1956, zenith’s Dr. Robert Adler suggested using ultrasonic (high frequency sound) and the” zenith space command “went into production. This model set the technological trend until the 1980s, when newly developed infrared technology arrived