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A pager, also known as a beeper or bleeper, [1] is a wireless telecommunications device that receives and displays alphanumeric or voice messages. One-way pagers can only receive messages, while response pagers and two-way pagers can also acknowledge, reply to, and originate messages using an internal transmitter.
As central offices did not send answer supervision to busy signals, conversations hosted over these so-called "beep lines" were toll-free in most cases. [3] A common point of discovery for the beep line back in the 1950s and 1960s were call-in segments of radio programs.
A buzzer or beeper is an audio signaling device, [1] which may be mechanical, electromechanical, or piezoelectric (piezo for short). Typical uses of buzzers and beepers include alarm devices , timers , train and confirmation of user input such as a mouse click or keystroke.
11 February 1876: Elisha Gray invents a liquid transmitter for use with a telephone, but he did not make one. 14 February 1876 about 9:30 am: Gray or his lawyer brings Gray's patent caveat for the telephone to the Washington, D.C. Patent Office (a caveat was a notice of intention to file a patent application.
1999: America Online has over 18 million subscribers and is now the biggest internet provider in the country, with higher-than-expected earnings. It acquires MapQuest for $1.1 billion in December.
A walkie-talkie, more formally known as a handheld transceiver, HT, or handheld radio, is a hand-held, portable, two-way radio transceiver.Its development during the Second World War has been variously credited to Donald Hings, radio engineer Alfred J. Gross, Henryk Magnuski and engineering teams at Motorola.
The Kremlin warned that the region was in an “explosive state” while its foreign ministry called the pager attacks an “act of hybrid warfare” aimed at provoking a major war.
A beeper is a device that makes a beep sound. Beeper may also refer to: ... "Beepers", a song by American rapper Sir Mix-a-Lot from the 1989 album Seminar; Other uses