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Pager. 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. [2]
Al Gross (engineer) Irving " Al " Gross ( / ɡroʊs /; February 22, 1918 – December 21, 2000) was a pioneer in mobile wireless communication. He created and patented many communications devices, specifically in relation to an early version of the walkie-talkie, [1] Citizens' Band radio, [2] the telephone pager [2] and the cordless telephone. [3]
Buzzer. 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.
History. Philippine Wireless Inc. introduced PocketBell in the 1970s, becoming the first company to make pagers commercially available in the Philippines. From the 1970s until the mid-1980s, it virtually maintained a monopoly in the pager industry in the country. After the 1986 People Power Revolution which deposed President Ferdinand Marcos ...
At that time pagers had a limited range and were used mostly in on-site situations for example to call medical personnel in a hospital. By 1990, wide-area paging had been invented and over 22 million pagers were in use. Their number exploded and by 1994, there were over 61 million pagers in use. Motorola’s Pageboy II Pageboy II
A white-noise back-up beeper provides a less disruptive alert than the original pure-tone alert. A back-up beeper, also known as back-up alarm or vehicle motion alarm, is a device intended to warn passers-by of a vehicle moving in reverse. Some models produce pure tone beeps at about 1000 Hz and 97-112 decibels. [1]
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