Ndi chiyaniWailesi ya Two Way?
Mu 1936, kampani ya Motorola walkie talkie yaku United States idapanga chida choyamba cholumikizirana pawailesi yam'manja - "patrol brand" amplitude modulation car radio receiver.Ndi chitukuko cha zaka pafupifupi 3 / 4, kugwiritsa ntchito walkie talkie kwakhala kofala kwambiri, ndipo kwachoka kumadera apadera kupita kumalo ogwiritsidwa ntchito wamba, kuchokera ku gulu lankhondo kupita ku gulu lankhondo.walkie talkie.Zili chonchoosati akatswiri opanda zingwe kulankhulana chida mu mafoni kulankhulana, komanso ogula chida ndi makhalidwe ogula mankhwala amene angakwaniritse zosowa za moyo wa anthu.Monga dzina limatanthawuzira, mobilekulankhulana ndiko kulankhulana kwapakati pa gulu limodzi ndi gulu lina pa foni yam'manja.Zimaphatikizapo ogwiritsa ntchito mafoni kwa ogwiritsa ntchito mafoni, ogwiritsa ntchito mafoni kwa ogwiritsa ntchito osasunthika, komanso, okhazikika kwa ogwiritsa ntchito okhazikika.Radio intercom ndinthambi yofunika ya mafoni kulankhulana.
Wailesi ya US 611
Wailesi ya njira ziwiri, kapena transceiver, kapena walkie talkie ndi mtundu wa zida za wailesi zomwe zimatha kufalitsa ndikulandila mawayilesi.M'malo mwake, aliyense wagwiritsa ntchito wailesi yanjira ziwiri m'moyo wawo wonse.Mitundu ya zida zomwe zimadziwika kuti ma wayilesi anjira ziwiri zimayambira pa 'walkie talkies' wosavuta mpaka zowunikira ana mpaka mafoni am'manja omwe amagwiritsidwa ntchito tsiku ndi tsiku.
Kodi Two Way Radio imagwira ntchito bwanji?
Walkie talkiesamaonedwa ngati mawailesi osavuta anjira ziwiri.Nthawi zambiri pamakhala mitundu iwiri yosiyana ya ma wayilesi anjira ziwiri, simplex ndi duplex.Mawayilesi a Simplex two-way amaikidwa ngati mawailesi omwe amagwiritsa ntchito njira imodzi kufalitsa uthenga.Izi zikutanthauza kuti nthawi ina iliyonse, munthu mmodzi yekha m’nkhaniyo angalankhule ndi kumveka.Wailesi yodziwika kwambiri ya njira ziwiri ndi wailesi ya m'manja kapena walkie talkie, yomwe nthawi zambiri imakhala ndi batani la 'push to talk' kuti ayambitse kufalikira kuchokera kugawo lina kupita ku lina.Panthawi imodzimodziyo, wailesi ya duplex imagwiritsa ntchito mawailesi awiri osiyana nthawi imodzi, kupanga luso loyankhulana mosalekeza.Chitsanzo chodziwika bwino chamtunduwu wa wayilesi yanjira ziwiri ndi chinthu chomwe anthu ambiri amagwiritsa ntchito pamoyo wawo watsiku ndi tsiku, monga mafoni opanda zingwe kapena mafoni am'manja.
Mawayilesi awiri akakhala pamlingo wina wake, amatha kulumikizana nthawi imodzi, koma amathanso kuyankhulana kudzera panjira imodzi akakhala patali.Mawayilesi anjira ziwiri omwe ali ndi lusoli nthawi zambiri amatchedwa zida za intercom, zida zolunjika, kapena zida zamagalimoto zamagalimoto.Mawayilesi ena anjira ziwiri amagwiritsa ntchito ukadaulo wa analogi, pomwe ena amagwiritsa ntchito kuwulutsa.Pa digito, onse ali ndi zabwino ndi zoyipa, monga kale.Pamene chizindikirocho chili chofooka kapena chaphokoso, kugwiritsa ntchito zizindikiro za analogi kumakhala ndi luso loyankhulana bwino, koma monga tafotokozera pamwambapa, mbali imodzi yokha ya zokambirana ikhoza kuchitika panthawi imodzi.
Mawayilesi onyamula ma shortwave akhala akugwiritsidwa ntchito ndi asitikali ndi akazitape kwazaka zambiri chifukwa amalola kulumikizana kwakutali popanda kufunikira kwa ma wayilesi amderalo.
Nthawi yotumiza: Aug-10-2020