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In 1949, Blaupunkt advertised the first FM-capable car radio. [6] By the 1960 and 1970s, Blaupunkt had become one of the leading German manufacturers of car radios and car audio equipment. In 1983, it began selling an in-dash CD player. [6] After the 2011 take-over, Blaupunkt became a managed brand name, with all production outsourced to China.
Mobile players for physical media have been provided for vinyl records, 8-track tapes, cassette tapes, compact discs, and MP3s.The increased sophistication of the vehicle audio system to accommodate such media has made the audio unit a common target of car break-ins, so these are equipped with anti-theft systems too.
By the mid-1970s the company had become known for their car audio products and accessories, though they continued to sell other non-audio accessories for a short time longer. Sparkomatic was at that time primarily a producer of low to mid-range car audio products, as well as adapters to convert an 8 track player into a quadrophonic unit.
Doubling the height of the single DIN, a video display or touchscreen can be fitted to support manufacturer GUIs, Android Auto, Huawei HiCar and/or Apple CarPlay. [3] Double DIN is also written as 2 DIN and double din. For both single and double DIN units, ISO 10487 is the connectors standard for connecting the head unit to the car's electrical ...
A Radio Data System – Traffic Message Channel (RDS-TMC) receiver (left) attached to a TomTom navigation system via a USB cable. The other side of the receiver is connected to a car charger via an antenna-power combination cable. [2]
It employs UHF radio waves in the ISM bands, from 2.402 GHz to 2.48 GHz. [3] It is mainly used as an alternative to wired connections to exchange files between nearby portable devices and connect cell phones and music players with wireless headphones, wireless speakers, HIFI systems, car audio and wireless transmission between TVs and soundbars.
A modern LF radio-controlled clock. A radio clock or radio-controlled clock (RCC), and often colloquially (and incorrectly [1]) referred to as an "atomic clock", is a type of quartz clock or watch that is automatically synchronized to a time code transmitted by a radio transmitter connected to a time standard such as an atomic clock.
The clock at its original location in May 1979, displaying 17:54 (5:54pm). The Mengenlehreuhr ( German for " Set Theory Clock") or Berlin-Uhr (" Berlin Clock") is the first public clock in the world that tells the time by means of illuminated, coloured fields, for which it entered the Guinness Book of Records upon its installation on 17 June 1975.