Invented in 1921, pagers (tseem hu ua beepers) tau siv los ntawm Detroit Tub Ceev Xwm Lub Tsev Haujlwm thaum lawv ua tiav tso lub tsheb tub ceev xwm hauv xov tooj cua los ua haujlwm. Xyoo 1959, lo lus "pager" tau tsim los ntawm Motorola.
Thaum twg beeper nrov?
Pagers tau tsim nyob rau xyoo 1950 thiab 1960s, thiab tau siv dav los ntawm xyoo 1980. Nyob rau hauv lub xyoo pua 21st, kev nthuav dav ntawm cov xov tooj ntawm tes thiab cov xov tooj smartphones tau ua rau kev lag luam pager poob qis heev.
Thaum twg beepers tawm rau pej xeem?
Invented nyob rau hauv 1921, pagers-los yog "beepers" raws li lawv kuj paub-mus txog lawv heyday nyob rau hauv the 1980s thiab 1990s. Yuav kom muaj ib daig ntawm txoj siv hlua, lub hnab tshos, lossis lub hnab ntim khoom yog los qhia txog qee yam xwm txheej-uas yog tus neeg tseem ceeb txaus kom ncav cuag lub sijhawm ceeb toom.
Pager nqi pes tsawg xyoo 90s?
Pager nqi npaum li cas hauv 90s? Tus pager nws tus kheej yog pheej yig heev, like $50 los yog li. qhov kev pabcuam txhua hli yog $9.99-$15/hli, nyob ntawm koj tus neeg nqa khoom.
Thaum twg ntawv nplooj ntawv tuaj tawm?
1995: Motorola tau tshaj tawm lub ntiaj teb thawj ob-txoj kev pager, Tango ob-txoj kev xa ntawv tus kheej pager. Nws tso cai rau cov neeg siv tau txais cov ntawv xov xwm thiab e-mail, thiab teb nrog cov lus teb tus qauv. Nws kuj tseem tuaj yeem txuas nrog lub computer kom rub tau cov lus ntev.
