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A lady named Teri Pall invented the cordless phone in 1965. She was a jazz singer by profession and came up with an idea to eliminate the wiring and make the handset wire free. Such a cordless phone functioned at a low frequency of 47-49 MHz and worked well only in small areas.
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ezinearticles.com/?History-of-Cordless-Phones&id=408046
ezinearticles.com/?History-of-Cordless-Phones&id=408046
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Telephones question: How was the cordless telephone invented? Answer Cordless telephones, invented by Teri Pall in 1965, consist of a base unit that connects to the land-line system and also communicates ... Cordless telephones, invented by Teri Pall in 1965, consist of a base unit that connects ... What is gmails phone number?
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wiki.answers.com/Q/How_was_the_cordless_telephone_inven...
wiki.answers.com/Q/How_was_the_cordless_telephone_invented
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Cordless telephone - Wikipedia, the free encyclopedia
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A cordless telephone or portable telephone is a telephone with a wireless handset that communicates via radio waves with a base station connected to a fixed telephone line, usually within a limite...
en.wikipedia.org/wiki/Cordless_telephone
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The history of cordless phones and how cordless phones work. ... Both developments were intended to increase the security of cordless phones and decrease unwanted eavesdropping by enabling the phone conversation to be digitally spreadout. In 1998, the FCC granted the frequency range of 2.4 GHz for cordless phones and as of...
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inventors.about.com/library/inventors/bltelephone5.htm
inventors.about.com/library/inventors/bltelephone5.htm
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At a time when most people unthinkingly make phone calls from their cell phones wherever they happen to be, few know that the first cordless phone was invented by a jazz musician named Teri Pall. She invented the cordless phone in 1965 but could not market her invention as it had only a two mile range.
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www.csupomona.edu/~plin/inventors/pall.html
www.csupomona.edu/~plin/inventors/pall.html
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Cordless Phone Features ... Spread Spectrum technology was co-invented by actress Hedy Lamarr during World War II, to help direct American torpedoes at Nazi battleships, without them getting jammed and sent off-course.
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www.ablecomm.info/buyingcordless.htm
www.ablecomm.info/buyingcordless.htm
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cordless phones history, telephones, cell, cellular ... Cordless Phone History ... The cordless phone came with 1 of the 10 channels. If you had this problem you took the cordless phone back to the retailer and exchanged for another frequency. So, cordless phones would hunt for their base when portable.
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www.affordablephones.net/HistoryCordless.htm
www.affordablephones.net/HistoryCordless.htm
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A cordless phone resource for features, manufacturers, types, technology and shopping. ... Cordless Phone Features To Consider ... Panasonic KX-TG7432B Dect 6.0 Cordless Phone with Answering Machine and ChoiceMail...
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www.cordlessphonereviewsblog.com/
www.cordlessphonereviewsblog.com/
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The source for the latest information on the best and brightest of DECT cordless phones. ... Digital Enhanced Cordless Telecommunications, or DECT, is the "hottest" cordless phone frequency technology today. ETSI introduced the world to the first DECT standards in 1992. DECT phones are used in homes and offices;
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www.dectcordlessphonereviews.com/
www.dectcordlessphonereviews.com/
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