How Was the Walkie-talkie Invented
Although two-way telegraphy and two-way radio has been invented years earlier, it was only during the years from 1934 to 1941 when the first hand-held two-way transceiver or the walkie-talkie was first developed.
Two persons and an engineering team were credited for inventing the device and they are radio engineer Alfred J. Gross , Canadian Donald L. Hings, and Motorola’s engineering team.
The three were credited for the invention of the walkie-talkie because each of them came out with their respective inventions and contributions leading to the full development of the first official walkie-talkie.
Radio engineer and developer of the Joan –Elenor system made the first real attempt to develop the early technology behind the walkie-talkie from 1934 to 1941.
In 1937, Canadian inventor Donald L. Hings also developed a portable signalling system for his employer CM&S, which he called ‘packset,’ and later on became known as walkie-talkie.
Three years later, an engineering team at the Galvin Manufacturing Company, which would later become Motorola, developed the first radio receiver/transmitter, the backpacked Motorola SCR-300, which they also nicknamed walkie-talkie.
During World War II, similar designs of the walkie-talkie were developed for the military, which also contributed significantly to battle strategies, and even to winning the war.
Subsequently, post-war development of the walkie-talkie spread to public safety and eventually to commercial and the business front.
The early walkie-talkies were only operating in half-duplex mode or within a single radio frequency, which means that transmission is done one at a time between communicating parties through the traditional ‘push-to-talk’ button on the walkie-talkie.
The first hand-held walkie-talkies were also larger than a telephone handset and features an antenna mounted on top of the unit. As radio equipment become more powerful, compact and easy to use, the subsequent walkie-talkie designs became smaller over time.
These days, modern-day walkie-talkies already appear like mobile phones. Motorola, in fact, has developed a mobile phone, that also serves as a walkie-talkie, which became a hit among many companies in the world.