One of my previous blogs featured Motorola’s early contribution to handheld two-way radios. Lest anyone consider me biased towards Motorola, let’s look at a portable Raytheon created during the era of tube radios.
Raytheon developed the AN/PRC-6 handheld FM transceiver for the military. It saw long use from the Korean War into the […]
A few years ago a friend of mine showed me a watch made in the late 1700s. I was fascinated by its construction. He was able to find a similar watch for me to purchase. This one is mine, from 1810–about as early as I could afford.
It is quite interesting to hold […]
The image of an official using a handheld two-way radio has been familiar for half a century.
As you can imagine, radios were not always so handy. Motorola was a major player in the development of these radios. Let’s look at Motorola’s path toward a modern handheld two-way radio.
Motorola’s first handheld […]
RCA introduced the first mass produced super heterodyne radio in 1924. Since the superhet was the first decent radio that could contain its own antenna, the next imperative would be a self-contained portable radio. RCA soon introduced two.
Each was designed and made by two of RCA’s owners, Westinghouse and General Electric. As long as […]
What is a transitional technology? A transitional technology has one foot in the old and the other in the new. It bridges a gap when a new technology appears, but that gap usually closes pretty quickly making the transitional technology obsolete.
Such a device shows up for one of three reasons. Sometimes it […]