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It is from a printed document from Philips dated December 1992 that is unfortunately not available in electronic format (e.g., PDF), nor is an updated version available. This information is provided so that companies that wish to use the RC-5 protocol can use it properly, and avoid conflicts with other equipment that may or may not be using the ...
There are many commercially available radio controlled clocks available to accurately indicate the local time, both for business and residential use. Computers often set their time from an Internet atomic clock source. Where this is not available, a locally connected GNSS receiver can precisely set the time using one of several software ...
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.
Radio-controlled clock: NIST list of receivers [19] AC-100-WWVB Time Receiver; AC-500-MSF Time Receiver; ClockWatch Radio Sync [20] F6CTE's CLOCK [15] WWV: 2.5, 5, 10, 15, and 20 MHz AM Voice with modified IRIG-Hformat time code on 100 Hz sub-carrier (CCIR code) HF radio and antenna (plus software if automatic updating of computer time is desired)
A mid-1940s alarm clock radio with AM radio stations only A typical 1980s clock radio featuring a digital clock/alarm and an analogue FM/MW/LW receiver. A clock radio is an alarm clock and radio receiver integrated in one device. [18] The clock may turn on the radio at a designated time to wake the user, and usually includes a buzzer alarm.
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Philips radio receiver, Model 930A (1931) While Philips' first product was manufactured in 1891, the first product that would fit in the Consumer Electronics division was a television, experimentally manufactured in 1925. In 1927, Philips began producing radios. Only five years later, Philips had sold one million of them.
BPC transmits a time signal on 68.5 kHz, which can be used for synchronizing radio controlled clocks. The transmission site is situated near Shangqiu , Henan Province [ 1 ] at 34°27′25″N 115°50′13″E / 34.457°N 115.837°E / 34.457; 115