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In the mid 1960s, Sony introduced the first Dream Machine. The basic idea was to use a radio program to wake up users more pleasantly, as many people found the loud mechanical alarm made by traditional alarm clocks disturbing. The use of direct-read digital display as opposed to a traditional clock dial gave the design a modernistic feel, which ...
SRF-39. The SRF-39 is a portable AM / FM radio introduced in approximately 1992 by Sony. [1] It uses a single AA battery, as its analog electronics draw very little current. It was one of the first radios to use the CXA1129 30-pin integrated circuit, which later was responsible for the SRF-39's sensitive and selective performance. [2][3][1]
Walkman Keitai W42S - Walkman phone with music style design and illumination music control. W41S - Music-style phone which able to connect to LISMO! W32S - Style-phone with Osaifu-Keitai support. W31S - Multimedia phone designed for music. W21S - The first CDMA 1X WIN model from Sony Ericsson. CDMA2000 1x models.
Sony applied the "Walkman" brand to some transistor radios starting with the matching blue SRF-40 FM Walkman in 1980, [17] and added a radio system to some Walkman cassette models starting with the model WM-F1 in 1982. [18] The first model with Dolby noise-reduction system and an auto reverse function appeared in 1982. [19]
Transistor radio. A transistor radio is a small portable radio receiver that uses transistor -based circuitry. Previous portable radios used vacuum tubes, which were bulky, fragile, had a limited lifetime, consumed excessive power and required large heavy batteries. Following the invention of the transistor in 1947—which revolutionized the ...
The TR-55's five transistors were designed in house by Sony, the technology having been licensed from Bell Labs. This made Sony the first company to produce commercial transistor radios from the ground up. American company Regency had launched their Regency TR-1 transistor radio earlier in 1954, but bought the transistors from Texas Instruments.
Through the 1980s and 1990s, Sony created many versions and variations in the cassette tape Walkman line [4] such as the DD series and WM series. Below is an incomplete list of cassette tape based Walkman models. Sony Walkman TPS-L2, from 1979. Sony Walkman WM-F15, released 1984. Sony Walkman WM-28, early 1980s Sony Walkman WM-F77, Circa 1986.
WEGA, pronounced "Vega", was founded as Wuerttembergische Radio-Gesellschaft mbh in Stuttgart, Germany in the year 1923. In 1975, it was acquired by Sony Corporation. [2] They were then known throughout Europe for stylish and high-quality stereo equipment, designed by Verner Panton [3] and Hartmut Esslinger. [4]