"Bluetooth" - yog dab tsi? Vim li cas koj xav tau Bluetooth?

"Bluetooth" interface rau hnub tim tau ua heev ntau nyob rau hauv ntau yam ntawm pab kiag li lawm, xws li koj tus kheej computers, txawb tes, ntsiav tshuaj thiab lwm tus neeg. Ntawm cov hoob kawm, cov neeg siv yog lam tau lam ua rau ib tug ntau yam ntawm cov teeb meem. Ntau zaus tshaj tsis yooj yim to taub ua rau muaj teeb meem, txaus yuav me ntsis txog cov qhov yooj yim hauv paus ntsiab lus ntawm cov lag luam ntawm lub teev interface. "Bluetooth" - yog dab tsi? Yuav ua li cas yuav siv nws?

technology nta

"Bluetooth" yog ib tug wireless interface muaj ib tug me me puag ncig ntawm kev txiav txim, uas yog tsim nyob rau hauv 1994 los ntawm engineers ntawm Ericsson, raws li nyob rau hauv Sweden. Nyob rau hauv 1998, ib tug tshwj xeeb lub koom haum Bluetooth Tshwj xeeb Paj Group (Bluetooth SIG) tau raug tsim ib tug xov tooj ntawm tuam txhab uas muag, uas tam sim no ua hauj lwm nyob rau hauv txoj kev loj hlob, nce qib thiab kev siv ntawm no technology. Thaum lub caij, lub xov tooj ntawm tuam txhab uas muag uas tau ua mej zeej ntawm lub koom haum, muaj exceeded 13 txhiab.

Lub ntsiab kom zoo dua ntawm no technology lus dag nyob rau hauv lub fact tias cov kev twb kev txuas yog "Bluetooth" tsis yuav tsum tau loj cov kev pab nyob rau hauv cov nqe lus ntawm lub zog noj thiab cov nqi ntawm transceivers yog tus uas tsis muaj piv nrog rau lwm wireless kis tau tus mob technologies. Tag nrho cov no tso cai rau kev siv ntawm cov tshuaj no, txawm nyob rau hauv me me-sized pab kiag li lawm nrog khawm cell. Rau cov kev siv ntawm cov piav interface khoom manufacturers yuav tsis tau them dab tsi rau lub creators ntawm technology. Qhov tseeb ua si ib lub luag hauj lwm nyob rau hauv xws li ib tug thoob plaws kis tau ntawm no interface nyob rau hauv ib tug ntau yam ntawm pab kiag li lawm.

Yuav ua li cas yog nws rau?

Nyob rau hauv luv luv, peb tau kawm hais tias xws li ib tug "Bluetooth". Uas yog ib tug zoo tshaj plaws, nws yog twb muaj tseeb. Thiab yog li ntawd, yuav ua li cas siv nws, koj yuav tsum tseem to taub. Lub hom phiaj tseem ceeb ntawm no technology yog los tsim koj tus kheej cheeb tsam tes hauj lwm, muab lub sij hawm rau cov kev pauv ntawm cov ntaub ntawv ntawm gadgets, nyob ze. Nws yuav ua tau ib tug laptop, desktop, mobile thiab peripheral pab kiag li lawm, raws li tau zoo raws li lwm yam uas muaj teej tug mus rau pawg no.

daim ntawv thov

Rau txawv hom phiaj, koj muaj peev xwm siv lub "Bluetooth". Yuav ua li cas yog ib tug ntaus ntawv uas tso cai rau ntau pab kiag li lawm mus rau lub network, peb twb kawm lawm. Tab sis yuav ua li cas yog kev twb kev txuas? Nyob rau hauv cov ntaub ntawv ntawm lub ob gadgets, cov kev twb kev txuas yog ua rau ib tug "taw tes rau taw tes", raws li nyob rau hauv cov ntaub ntawv nrog ib tug loj tus naj npawb ntawm pab kiag li lawm nws yuav ua tau ib tug tswvyim ntawm "point-to-multipoint". Txawm li cas los ntawm lub tswvyim siv yog faib ib tug tswv ntaus ntawv thiab qhev.

Tus tswv template yog teem siv los ntawm tag nrho cov qhev thiab nws muab cov neeg ua hauj lwm ntawm lub synchronization ntawm tag nrho cov pab kiag li lawm. Los ntawm txoj kev xws li ib tug compound yog tsim piconet. Raws li ib feem ntawm qhov kev txiav txim tej zaum yuav union ntawm ib tug tswv thiab xya qhev kiag li lawm. Nyob rau hauv tas li ntawd, nws tseem tau mus ntxiv rau lub piconet ob peb pab kiag li lawm yuav tsum tau tsav, tiam sis tsuas yog nyob rau hauv tus txheej xwm ntawm ib ntus sim. Lawv tsis koom nyob rau hauv cov kev pauv ntawm cov ntaub ntawv, tiam sis, yog synchronized nrog tus tswv siv ib tug "Bluetooth" interface. Hais tias yog, nws yuav ntshiab, yog tias tam sim no, raws li ib qhov chaw xa ntaub ntawv mus rau tag nrho lwm cov real-time. Nws yog yooj yim thiab muaj ntau lub sij hawm rau lub koom haum ua hauj lwm.

Qhov siab tshaj plaws pes tsawg tus ntawm pab kiag li lawm

Lwm interface theem - combining ob peb piconets rau hauv ib tis network. Rau lub hom phiaj no ib tug ntaus ntawv uas yog tsav nyob rau hauv ib piconet, tus tswv yuav siv sij hawm ua hauj lwm mus rau lwm lub. Nyob rau hauv cov ntaub ntawv no, lub feature yog hais tias lub piconet, teej tug mus rau tib tis network, siv ntau cov qauv thiab txhua lwm yam yuav tsis yuav synchronized. Muaj pes tsawg leeg ntawm ib qho ntawm lub tsev network yuav tsis muaj ntau tshaj li 10 piconets. Nws hloov tawm hais tias los ntawm Workers rau hauv lub tsev network uas muaj "Bluetooth" pab kiag li lawm yuav muab tag nrho rau hauv ib qho txheej 71 unit.

Cov ntaub ntawv nta

Rau kis tau tus mob ntawm cov ntaub ntawv siv nyob rau hauv lub xov tooj cua ntau zaus 2,4-2,4835 GHz, supplemented los ntawm ib tug pseudorandom lag luam zaus haum. Qhov no ntau yam yog muab faib ua 79 raws, txhua tus uas yog faib mus rau lub band dav ntawm 1 MHz. Lub sab sauv thiab sab ib feem ntawm txoj kev khwv muaj lub qub bands pom tau hais tias kev tiv thaiv. Cov ntaub ntawv yog kis tau siv Gaussian theem tes taws los piav, uas yuav muaj kev hloov nyob rau hauv lub sij hawm ntawm cov cab kuj zaus nrog ib tug Gaussian nkhaus, ntsig txog, thiab qhov no ho txwv lub spectrum ntawm lub txim liab teeb liab.

"Bluetooth" ntxaiv adapter ua ntaub ntawv pauv hauv lub sij hawm Team sib uas nws ntev yog 625 microseconds. Hloov txhua qhov ua tiav txoj kev hloov mus rau qhov tshiab zaus channel. Link txheej assumes tias cov ntaub ntawv pauv packets, txhua tus uas muaj ib tug ntev ntawm ib tug mus rau tsib slots. Tej yam uas lawv yuav tsum tseg rau kev synchronous raws npaj rau ib tug tshaj tawm hauv xov streaming ntaub ntawv. Nws hloov tawm hais tias cov hloov mus rau yuav nqa tawm tsis tsuas yog tus synchronous cov ntaub ntawv, tab sis kuj asynchronous.

Nyob rau hauv lub "Bluetooth" specification ntaus ntawv muab cov tseem siv ob hom ntawm kev sib txuas lus: ib tug synchronous kev twb kev txuas-taw qhia kom paub, raws li zoo raws li asynchronous, nyob rau hauv uas lub kev twb kev txuas yog tsis tsim. Daim ntawv thov ntawm tus thawj embodiment yam thaum tsim raws "point-to-point" ntawm tus tswv thiab qhev kiag li lawm. Cov lo lus uas peb yog ib tug thib ob interface chaw raws li cov "point-to-multipoint" ntawm tus tswv thiab tag nrho cov qhev piconet.

Ntaus kawm "Bluetooth"

Nyob ntawm seb zoo li cas ntawm lub hwj chim thiab kev ua tau zoo ntau yam yog tsiag ntawv los ntawm "Bluetooth" ntxaiv adapter, muaj peb cov chav kawm ntawv transceivers. Cov feem ntau embodiment, rau tshuaj pleev siv nyob rau hauv feem ntau computers thiab mobile pab kiag li lawm, ua los ntawm niaj hnub kev lag luam, lub transceivers yog ob chav kawm ntawv. Kev kho mob cov khoom yog txawm peem rau nrog cov uas tsis muaj hwj huam transmitters ntawm cov chav kawm ntawv 3, thiab feem ntau ntev-ntau modules, teej tug mus rau cov chav kawm ntawv 1, yog siv nyob rau hauv cov kev tswj thiab saib xyuas uas muaj khoom.

teeb nta

Yog hais tias koj xav tau rau nruab rau hauv lub "Bluetooth" nyob rau hauv lub computer, thiab ces siv nws los interface nrog tej ntaus ntawv, koj yuav tsum next rau cov yam ntxwv ntawm qhov chaw. Nrog rau daim ntawv thov ntawm no technology yuav siv tau luv luv-ntau xov tooj cua tsis mus txuas rau wireless tes hauj lwm, thiab nkag tau mus rau peripheral pab kiag li lawm tau tshaj cov version ntawm cov technology: ib lub tshuab luam ntawv, nas, txawb lub xov tooj, raws li zoo li lwm yam computers thiab qub.

Vim nws yog ib tug wireless kev twb kev txuas uas yog nqa tawm los ntawm txoj kev mloog xov tooj cua tsis, tej peripheral ntaus ntawv tso cai yuav tawm mus nyob rau hauv qhov chaw, thaum lub kev twb kev txuas yuav tsis tsum poob yog hais tias nws tsis tawm hauv lub cheeb tsam ntawm "visibility". Yog hais tias koj xav mus cuag "Bluetooth" nyob rau koj lub computer, koj yuav tsum paub hais tias qhov no yog ua li cas thaum lub ntaus ntawv nkag mus rau hauv thaj tsam ntawm lub transmitter. Tsuas yog ib zaug yog txaus kom txhua tus tsim nyog chaw. Nyob rau hauv feem ntau phau ntawv sau transmitters ua chiv xwb yuav tsum tau mus kho lawv kom zoo, thiaj li hais tias tom qab nws ua hauj lwm tsis muaj ib tug khuam.

Teem lub "Bluetooth" ntaus ntawv "windose"

Mus nqa tawm no ua lag luam, nws yuav tsum tau ua ib qho kev ua. Ua ntej koj yuav kom paub tseeb tias koj muaj ib tug laptop nyob rau hauv no adapter. Tom qab uas koj xav mus download tau tag nrho cov tsim nyog cov neeg tsav tsheb. Tom qab qhib rua ntawm lub tsav tsheb installer thiab khiav lub ntaus ntawv Wizard txhua yam yuav tsum tau txiav txim cia.

Thaum tus ntaus ntawv yog nyob, nws yuav tsum tsim nyog mus ntxiv. Yog hais tias lub system yog nrhiav tsis tau nws, ces koj yuav tsum nco ntsoov hais tias tus ntaus ntawv yog siab them, thiab nws tau txais lub hwj huam mov, nws yog switched thiab nyob hauv kev khwv. Rau cov lus qhia nyob rau hauv kev khiav hauj lwm ntau yam ntawm tej yam ntaus mus nrhiav tau nyob rau hauv lub nrog cov ntaub ntawv. Tom qab cov tivthaiv tiav ncauj lus kom ntxaws kos, ntxiv tswv pab kiag li lawm mus pib dua.

Teeb meem uas yuav tshwm sim

Yog hais tias koj yog tsis meej pem raws li yuav ua li cas tig rau "Bluetooth", koj yuav tau nco ntsoov tias nyob rau hauv lub qhaj ntawv ntawm ib tug tivthaiv rau lub laptop taskbar icon tej zaum yuav tam sim no. Nws yuav tsum ua kom paub tseeb tias mus nkaum. Ua li no, nias qhov icon, thiab ces nyob rau hauv cov yam khoom no "Customize".

Thaum lub ntaus ntawv "Bluetooth" enabled, cov zaub qhia tau hais tias ib daim ntawv teev tag nrho cov paired pab kiag li lawm uas yog muaj nyob rau hauv lub khiav hauj lwm ntau yam. Nyob rau hauv cov ntaub ntawv no txhua tus, raws li hais ua ntej lawm, muaj ib tug ntau yam uas yuav tsum tau muab los xav thaum pairing.

ua hauj lwm tshwj xeeb tshaj yog

Tag nrho qhov tseeb cov qauv ntawm cov tes, ntsiav tshuaj thiab laptops yog ib tug yuav tsum tivthaiv tsev "Bluetooth", muaj cov uas yog paub tseeb hais tias los ntawm ib tug icon, ib tug logo ntawm qhov screen los yog tus ntaus ntawv. Thaum lub kev twb kev txuas yog tsim los pab, lub sib nug xov logo screen, thiab cov ntaub ntawv pauv yog nrog los ntawm ib tug ntxiv hais. Tam sim no manufacturers ntawm kos pab kiag li lawm "Bluetooth" rau ib ntsiav tshuaj, xov tooj thiab lub computer.

Nyob rau hauv tas li ntawd mus mobile pab kiag li lawm, qhov no technology yog muaj feem xyuam rau desktop computers, los pab kom kev sib txuas lus nruab nrab ntawm cov nas, keyboard, cov koob yees duab, scanners, printers, headphones, thiab ib tug ntau yam ntawm headsets. Qhov no cov khoom txhawb kev sib txuas lus ntawm mus txog li 100 meters. Tej zaum txhawb wireless kev sib txuas lus yog tau txawm tias thaum siv li nyob rau hauv txawv chav.

Pairing ntawm txawv li

Yog hais tias koj siv lub "Bluetooth" rau koj lub xov tooj los yog lwm yam ntaus ntawv thaum kev cob cog rua rau ib tug PC, koj yuav tsum muaj ib lub computer rau nruab ib qhov chaw nres nkoj connector, zoo li tus zoo li ib tug dog dig USB flash drive uas txuas ntawm USB. Neeg tsav tsheb thiab cov kev tsim nyog software yog feem ntau nkag nrog cov khoom, tab sis yog hais tias tsis, koj yeej ib txwm coj kev pab los ntawm cov nom lub website rau lub yuav tsum tau daim ntawv thov.

Yog hais tias peb xav txog lub ntaus ntawv "Bluetooth" rau cov xov tooj, lub feem ntau nthuav inventions ua wireless headphones, siv no technology. Nrog lawv pab, koj yuav tau tham rau hauv xov tooj txawm tias thaum koj txhais tes yog tibneeg hu tauj coob: .. Nyob rau hauv cov kev ua si, tsav tsheb, thiab lwm yam Yog hais tias koj paub yuav ua li cas tig rau "Bluetooth" mus qhib lub mloog ntawm pob ntseg, koj yeej ib txwm tso lub ob txhais tes thaum tham ntawm tus xov tooj. Tus heev tib apparatus ua tau nyob rau lub sij hawm no yuav tsum tau nyob rau hauv ib lub hnab los yog lub hnab tshos.