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History of the Television Remote Control
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Remote control technology was first developed for military use.

It was in June of 1956, that the practical television remote controller first entered the American home. However, as far back as 1893, a remote control for television was described by Nikola Tesla in U.S. Patent 613809. The Germans used remote control motorboats during WWI. In the late 1940s the first non-military uses for remote controls appeared , for example, automatic garage door openers.

Lazy Bone
The Zenith Radio Corporation created the very first television remote control in 1950 called "Lazy Bone." The Lazy Bone could turn a television on and off, and change channels. However, it was not a wireless remote control. The Lazy Bone remote control was attached to the television by a bulky cable.
It turned out that consumers did not like the cable because it caused frequent tripping.

Flash-Matic - Eugene Polley
Zenith engineer, Eugene Polley created the "Flash-matic" the first wireless TV remote in 1955. The Flash-matic operated by means of four photocells, one in each corner of the TV screen. The viewer used a directional flashlight to activate the four control functions, which turned the picture and sound on and off, and turned the channel tuner dial clockwise and counter-clockwise. However, the Flash-matic had problems working well on sunny days, when the sunlight sometimes change channels at random.

Zenith Space Command - Robert Adler
The improved "Zenith Space Command" remote control went into commercial production in 1956.
Zenith engineer, Doctor Robert Adler designed the Space Command based on ultrasonics. Ultrasonic remote controls remained the dominant design for the next twenty-five years, and as the name suggests they worked using ultrasound waves.

The Space Command transmitter used no batteries; inside the transmitter were four lightweight aluminum rods that emitted high-frequency sounds when struck at one end.
Each rod was a different length to create a different sound that controlled a receiver unit built into the television.

The first Space Command units were expansive due to the necessary use of sixvacuum tubes in the receiver units that raised the price of a television by thirty percent. In the early 1960s, after the invention of the transistor, remote controls came down in price, and in size, as did all electronics. Zenith modified the Space Command remote control with the benefits of transistor technology (and still using ultrasonics) creating small hand-held and battery-operated remote controls. Over nine million ultrasonic remote controls were sold.

Infrared devices replaced ultrasonic remote controls in the early 1980s.
Robert Adler was associate director of research at Zenith in the 1950s when the company’s founder-president, Commander E.F. McDonald Jr., challenged his engineers to develop a device to "tune out annoying commercials" aka the remote control.

Robert Adler
Robert Adler holds 180 patents for electronics devices, whose applications run from the esoteric to the everyday; he is best known as a pioneer in the development of the remote control.

Meet Dr. Robert Adler
Among Robert Adler's earlier work is the gated-beam tube, which at the time of its introduction represented an entirely new concept in the field of vacuum tubes.
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