siyol, dakshin Korea aur aaspaas ke shaharon mein, ti-mani card ka prayog saarvajanik paaragaman ke bhugataan ke liye kiya ja sakta hai. dakshin Korea ke kuchh anya shaharon ne is pranaali ko apnaaya hai, jise kuchh dukaanon mein nakadi ke roop mein bhi istemaal kiya ja sakta hai. ti-mani ne yoopaas ki jagah li, jise 1996 mein MIFARE takaneek ka istemaal karte hue pehli baar parivhan bhugataan ke liye pesh kiya gaya tha.
radio-aavrutti pehchaan (angreji: Radio-frequency identification) ek vastu ka upayog hai (aamtaur par ek RFID taig ke roop mein sandarbhit) jise ek utpaad, pashu, ya vyakti mein radio tarangon ke istemaal se pehchaan karne aur traiking ke uddeshya se lagaaya ya daala jaata hai. kuchh taig ko kai meter door se aur paathak ki drushti rekha ke paar se padha ja sakta hai.

apni adyatan sanrachana aur suvijnyaata ke saath si pi aar I ne desh ke vidyut kshetr ko unnat yojana, prachaalan tatha vidyut pranaaliyon ke niyantran ke liye paryaapt yogadaan diya hai. aantarik anusandhaan va vikaas ke alaava, si pi aar I suvijnyaata ke vibhinn kshetron mein nirmaataaon aur anya abhikranon se praayojit anusandhaan pariyojanaaon ko sveekaarata hai.
↑ Kulikoff, Allan (1986-08-01), Tobacco and Slaves: The Development of Southern Cultures in the Chesapeake, The University of North Carolina Press, aai॰aऍsa॰abee॰aऍna॰ 978-0807842249, http://books.google.com/books?id=NCvU9_bj-1QC&printsec=frontcover&dq=Tobacco+%26+Slaves:+The+Development+of+Southern+Cultures+in+the+Chesapeake, abhigman tithi: 2009-03-22
June 1967 mein sangheeya sanchaar aayog ne nirnaya liya ki TV station par dhoomrapaan aur svaasthya charcha ka prasaaran aparyaapt hai aur vah bhugataan kiye jaane vaale un vijnyaaapanon ki kami poori naheen kar paate jo paanch se das minute roj prasaarit hote hain. April 1970 mein Congress ne television aur radio par cigarette ke vigyaapan par pratibandh lagaane vaale jan svaasthya cigarette dhoomrapaan adhiniyam ko paarit kar diya, jo 2 January 1971 ko laagoo hua.[92]
ek badi laujik machine mein (maan leejiye, sau se adhik laujik char waali) sambhav state ki ek khagoleeya sankhya ho sakti hai. jaahir hai, kaarkhaane mein, har state ka pareekshan avyaavahaarik hai agar har state ke pareekshan mein ek maaikrosekand lagta hai aur brahmaand ke shuroo hone se hi maaikrosekand ki sankhya se kaheen adhik state hain. durbhaagya se, yeh haasyaaspad lagne wala maamala vishisht hai.
RFID taig ka istamaal jin tol booth par electronic tol sangrahan ke liye kiya jaata hai unamein shaamil hain jaurjiya ka krooj card, California ka faasatraik, Colorado ka E-470, ilinois ka I-paas, oklaahoma ka paaikapaas, vistaar karte poorvi raajyon ka E-ZPass pranaali (maisaachusets ke fast len, delaaveyar, new haimpashaayar tarnapik, maireelaind, new jersey tarnapik peinsilveniya tarnapik, vest varjeeniya tarnapik, New York ki throove pranaali, varjeeniya, main tarnapik aur rode dweep ke nyooport brij sahit), sentral florida bhi is takaneek ka istemaal apne E-PASS pranaali ke maadhyam se karte hain. E-paas aur sanapaas paarasparik roop se sangat hain. florida ka sanapaas, Texas mein vibhinn pranaali jismein shaamil hain D/FW ka NTTA tolataig, ostin metro TxTag aur Houston HCTRA EZ taig (jo praarambhik 2007 ke roop mein kisi bhi Texas tol road par maanya hain), kensaas ka K-taig, "kraus-ijraail raajamaarg" (raajamaarg 6), fileepeens ka south lujon expressway E-paas, Brisbane ke kveensalaind motaravej ka govaaya taig (pehle E-tol ke naam se gyaat), Australia, mein system, otopista del sol (sans raajamaarg), otopista sentral (kendreeya raajamaarg), otopista los librtadores, kostaanera norte, vespusiyo norte express aur vespusiyo sur shahari raajamaarg aur har aane wala shahari raajamaarg (ek "mukt pravaah" saadhan mein) chili mein niji niveshakon ko chhoot praapt, Hongkong ke sabhi tol surang (ototol) aur Portugal ke sabhi raajamaarg (viya verd, tol ke poore network ka vistaar karne waali duniya ki pehli pranaali), France (libr-T pranaali), Italy (teleepaas), Spain (Via-T), braajeel (sem paraar - Via Fáacil). taig, jo aam taur par sakriya prakaar ke hote hain, vaahanon ke booth se gujarte samay door se padhe jaate hain aur taig jaankaari ka prayog ek poorv bhugataan khaate se tol raashi ko naame likhne ke liye kiya jaata hai. yeh pranaali tol plaaja ke maadhyam se yaataayaat ko gati dene mein madad karti hai, choonki yeh RFID vaahan taig ke liye taareekh, samay aur bill ke aankade darj karta hai. greater Toronto area mein plaaja aur kataar-mukt 407 express tol root, sabhi biling ke liye ek traansapondar (ek sakriya taig) ke prayog ki anumati deta hai. isse, license plate dvaara ek vaahan ki pehchaan karne ki aavashyakta samaapt ho jaati hai.[krupaya uddharan jodein]
maariyo kaardullo ka saaaincha:US Patent 1973 mein aadhunik RFID ka pehla sachcha poorvaj tha; smruti wala ek nishkriya radio traansapondar. praarambhik upakaran nishkriya tha, jo poochh-taachh sanket ke dvaara sanchaalit hota tha aur 1971 mein New York port athauriti aur anya sambhaavit prayoktaaon ke liye iska pradarshan kiya gaya aur yeh ek tol upakaran ke roop mein istemaal ke liye 16 bit smruti ke saath ek traansapondar se bana tha. buniyaadi kaardullo peteint sanchaaran media ke roop mein RF, dhvani aur prakaash ke istemaal ko aavrut karta hai. 1969 mein, niveshakon ke saamane prastut mool vyaapaar yojana ne parivhan (otomotiv vaahan pehchaan, svachaalit tol pranaali, electronic license plate, electronic maalasoochi, vaahan maarg, vaahan pradarshan nigraani), banking (electronic check book, electronic kredit card), suraksha (karmiyon ki pehchaan, svachaalit dwaar, nigraani) aur chikitsa (pehchaan, rogi itihaas) mein iska istemaal dikhaaya.[krupaya uddharan jodein]

soochana ka bhandaaran enaalaug ki tulana mein digital pranaali mein aasaani se kar sakte hain. digital system ka shor pratirksha vightan ke bina deta ko sangraheet aur pun: praapt karne ki anumati deta hai. ek enaalaug system mein, puraane aur chheejan se shor sangruheet soochana ko nasht karta hai. ek digital pranaali mein jab tak kul shoragul ek nishchit star se neeche hai, jaankaari ko poori tarah se pun: praapt kiya ja sakta hai.


2004 mein, boing ne Boeing 787 dreemalaainar par rakharakhaav aur vastusoochi laagat ko kam karne ke liye RFID praudyogiki ke upayog ko shaamil kiya. vimaan ke kal-purjon ki uchch laagat ke maamale mein, RFID praudyogiki ne Boeing ko anoothe aakaar, svarup aur paryaavaran sambandhi chintaaon ke baavajood vastusoochi ki traiking karne ki anumati di. apanaae jaane ke baad ke chhah maheenon ke dauraan, company, sirf shram ke maamale mein $29,000 bachaane mein saksham rahi.[23]
pichhale paanch saalon se bada aankada ek bada vishay raha hai, jab usane surkhiyon mein ek bayaan diya tha. yah vichaar yah hai ki ikatthe kie gae aankadon ke bade paimaane par jinake paas ab tak pahunch hai- behatar vipanan abhiyaanon ko behatar tareeke se chalaane ke lie yojana banaane se lekar har cheej mein hamen madad kar sakata hai. lekin badee aankadon kee sabase badee shakti-isakee maatraatmak, sankhyaatmak neenv-bhee kamajoree hai. 2017 mein, mujhe ummeed hai ki ham deta ke adhik sanvedanasheel aur gunaatmak bits kee maang karate hue aur adhik drshy, sulabh tareeke se ise pesh karane ke lie bade deta ko maanaveey banaane kee pragati dekhenge.
yeh vyavasaaya aniyamit hai, haalaanki antarraashtreeya maanak sthaapit karne vaale nikaaya maujood hain, jinka ek udaaharan hai sanyukt raajya America, Canada, Britain aur anya deshon mein 5,000 se adhik sadasyon ka ek sangh, antarraashtreeya dendaari lekhon ke peshevar (IAPP).[1] apni vyaavasaayik maanak sanrachana ke ansh ke roop mein,[2] IAPP ne dendaari lekhon ki ek nai paribhaasha sthaapit ki hai:
pustakaalayon mein RFID ko lekar jis chinta ka prasaar hua hai vah gopaneeyata ka mudda hai. choonki RFID traansameetar aur reedar ke anusaar, RFID taig ko 350 feet ya 100 meter se padha aur scan kiya ja sakta hai (udaaharan ke smart lebal RFID) aur choonki RFID, freekveinsi ke vargeekaran ka istemaal karta hai (donon, taig ke prakaar par nirbhar karta hai), chinta ka vishay yeh hai ki kya samvedansheel jaankaari ko ek anichhuk srot se ekatr kiya ja sakta hai. haalaanki, pustakaalaya ke RFID taig mein koi sanrakshak jaankaari shaamil naheen hoti,[33] aur adhikaansh pustakaalayon mein prayukt taig jis freekveinsi ka prayog karte hain vah keval lagbhag das foot se pathaneeya hai.[28] saath hi, pustakaalayon ko hamesha yeh record rakhana hai ki kisne kab kya liya hai, to us maayane mein koi nai baat naheen hai. haalaanki, kai pustakaalaya in record ko saamagri ke ek baar vaapas aa jaane ke baad nasht kar dete hain. RFID, paathakon ki gopaneeyata ke is sammaan ko jatil ya samaapt kar degi. iske alaava, ek anya gair-pustakaalaya agency sambhaavit roop se pustakaalaya vyavasthaapak ki jaankaari ya sahamati ke bina pustakaalaya se nikalne vaale pratyek vyakti ke RFID taig ko record kar sakti hai. ek aasaan vikalp hai ki pustak ko ek code sanchaarit karne diya jaae jiska mahatva sirf laaibreri ke daataabes ke saath sanyojan ke roop mein ho. ek aur kadam yeh hai ki kitaab ko jab bhi lautaaya jaae to use ek naya code diya jaae. aur agar bhavishya mein reedar sarvavyaapak ho jaae to (aur sanbhavat: jude hue), chori gayi kitaabon ko laaibreri ke baahar bhi pata lagaaya ja sakta hai. taig ko hataane ko mushkil banaaya ja sakta hai agar taig itna chhota ho ki use ek (yaadruchhik) prushth ke andar adrushya roop se lagaaya ja sake, sanbhavat: prakaashak dvaara vahaan daal diya jaae.

paanv ki daud mein, dhaavak nishkriya taig pahanate hain jo track ke donon chhoron ya track ke aar-paar bichhe Matt par rakhe enteena dvaara padha jaata hai. nyoon ya uchch freekveinsi antim peedhi taig ke bajaay UHF aadhaarit taig, vishesh roop se design kiye gaye entena ke dvaara sateek reeding pradaan karte hain. rash truti, laip kaaunt trutiyaan aur durghatanaaon se bacha ja sakta hai choonki bina ek batch mod mein rahe koi bhi kabhi bhi shuroo aur khatm kar sakta hai.
saare pareekshan ke baad, deta bits jagah par hain, dijaain ko "saamaanya mod" ke liye reekanfigr kiya jaata hai aur ek ya ek se adhik klauk pals ko laagoo kiya jaata hain, taaki dosh ka pata lag sake (jaise stak-ait lo ya stak-ait haai) aur pareekshan ke parinaam ka pragrahan scan shift rajistar mein flip-flop mein aur/ya leches mein kiya jaata hai. ant mein, pareekshan ke parinaam ko block seema mein sthaanaantarit kar diya jaata hai aur poorvaanumaan "gud machine" nateeje ke prati tulana ki jaati hai.
anukramik system iske atirikt do upashreniyon mein vibhaajit hota hai. jab ek "klauk" signal state ko parivrtit karta hai tab "tulyakaalik" anukramik pranaali ek hi baar mein state ko badal deta hai. jab bhi input badalate hain "atulyakaalik" anukramik pranaali parivartan ko prasaarit karta hai. tulyakaalik anukramik system atulyakaalik sarkit ki visheshata se bana hota hai jaise flip flop, jo klauk jab parivartan karta hai tabhi ye parivartan karta hai aur jismein timing margin ko dhyaan se design kiya jaata hai.
raksha ki ek dviteeya shreni, taig kloning ko rokane ke liye kriptograafi ka upayog karti hai. kuchh taig ek prakaar ke "roling code" yojana ka upayog karte hain, jismein taig pahachaanakarta jaankaari pratyek scan ke baad parivrtit ho jaati hai, is tarah dekhi gayi pratikriyaaon ki upayogita ko kam kar deti hai. adhik parishkrut upakaran chunauti-pratikriya pramaaneekaran mein sanlagn hote hain jahaan taig, reedar ke saath soochana ka aadaan pradaan karta hai. in protokaul mein, taig aur reedar ke beech asurakshit sanchaar channel par gupt taig jaankaari naheen bheji jaati hai. balki, reedar taig ke liye ek chunauti jaari karta hai, jo ek parinaam ke saath javaab deta hai jiski ganana kuchh gupt moolya ke saath bandhe kriptograafik sarkit ka upayog karte hue ki jaati hai. aise protokaul, samamit ya saarvajanik kunji kriptograafi par aadhaarit ho sakta hai. koot roop se saksham taig ki aamtaur par keemat naatakeeya roop se uchch hoti hai aur ise saral samakaksh se adhik bijli ki aavashyakta hoti hai aur parinaamasvaroop in taig ki tainaati adhik seemit hai. is laagat/vidyut bandhan ne kuchh nirmaataaon ko kaafi kamjor ya svaamitv waali enkripshan yojanaaon ka upayog karke kootlekhit taig lagaane mein prerit kiya, jo parishkrut hamle ko aavashyak roop se naheen rokate. udaaharan ke liye, eksaun-mobil speedapaas, Texas instroomeints dvaara nirmit ek kootalekh-saksham taig ka upayog karta hai, jise digital signechar traansapondar (DST) kehte hain, jismein kam laagat ke liye ek chunauti-pratikriya protokaul karne ke liye ek kamjor, svaamitv enkripshan yojana shaamil hai.
January, 2005 mein, Wall-Mart ne apne sheersh 100 aapoortikrtaaon ke liye sabhi ladaan par RFID lebal lagaana jaroori kar diya. is aavashyakta ko poora karne ke liye, vikretaaon ne dabbon aur pailet par jismein Wall-Mart ke liye EPC taig ki aavashyakta thi, lebal lagaane ke liye RFID printar/inakodar ka upayog kiya. ye smart lebal, saamagri ke andar RFID inlej jad kar aur uske baad lebal ki satah par baar code aur dikhaai dene waali anya jaankaari mudrit kar ke nirmit kiye gaye hain.
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