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.
pehla ardhachaalak laujik parivaar, rejistar-traanjistar laujik tha. yeh tube se hajaar guna adhik vishvasaneeya tha, aaraam se chalta tha aur kam bijli istemaal karta tha, lekin teenon mein se bahut nyoon fan-in tha. daayod-traanjistar laujik ne fainaaaut mein saat tak sudhaar kiya aur bijli mein kami ki. kuchh DTL dijaainon ne fainaaaut mein vruddhi ke liye NPN aur PNP traanjistaron ki paryaayakramik paraton ke saath do bijli-aapoorti ka upayog kiya.
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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.
Nokia ke 2008 ke upakaran, 6212, mein RFID kshamataaen bhi hain. saksham haindaset ka upayog karte hue kredit card ki jaankaari ko sangraheet kiya ja sakta hai aur bank khaaton tak seedhe pahuncha ja sakta hain. is phone ko, agar mobile bhugataan ke liye ek vektar ke roop mein istemaal kiya jaae to ismein is maayane mein atirikt suraksha hoti hai ki ismein upayogakartaaon ko bhugataan ke praadhikrut hone se pehle ek paasakod ya pin darj karne ki aavashyakta hogi.[13]
RFID ko vastu-stareeya khudara upayog ke liye apnaaya ja raha hai. kaaryakushalata aur utpaad upalabdhata laabh ke alaava, yeh pranaali electronic aartikl sarvilaans(EAS) ka ek behatareen roop pradaan karti hai aur upabhoktaaon ke liye ek behtar sv-jaanch prakriya. pehli vaanijyik, saarvajanik vastu-stareeya RFID khudara pranaali ki sthaapana maana jaata hai ki north kairolina, America mein freedom shoping ink dvaara May 2005 mein ki gayi.
sitmbar 2008 ko, Alcatel-Lucent demo faul 2008 par pehli upabhokta RFID seva pesh ki: touchatag. yeh USB ke maadhyam se PC (Windows ya Mac) se judta hai aur jab yeh ek RFID taig se lais vastu ka pata lagaata hai, to malteemeediya ke tamaam prakaar ke anuprayog prakshepit karta hai. unke paas ek anuprayog vikaas kaaryakram aur vyaapaar samaadhaan bhi hai (udaaharan, pingaping-Belgium ke saath sahayog aur Accor Services ke liye ek vaanijyik pilot.[54]
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.
veetaakraaft dvaara dijaain, RFIQin, ek svat: khaana pakaane ka upakaran hai, jismein teen bhinn aakaar ke bartan hain, ek portebal indakshan heetar hai aur resipi card hai. pratyek pain mein antarnihit ek RFID taig hai jo bhojan ki pratyek sekend mein 16 baar jaanch karta hai jabki paaen ke haindal mein laga MI taig indakshan heetar ko taapamaan ko samaayojit karne ke liye sanket sanchaarit karta hai.
Wall-Mart ka ek aur prabhaag, saims club bhi is disha mein aage aaya hai. dinaank 7 January 2008 ko isne apne aapoortikrtaaon ko yeh bataate hue patra bheja ki 31 January 2008, se pratyek poorn ekal-vastu pailet, jise desoto, Texas, ke uske vitran kendron par ya us DC dvaara seva pradatt seedhe uske kisi store par bheja ja raha hai, us par ek EPC Gen 2 RFID taig hona zaroori hai. iska paalan karne mein naakaam rahane vaale aapoortikrta ko seva shulk dena hoga. [24]

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.
uber (aur “uber ____” hone ke aadhaar par banaaya gaya staartaps ke parinaamasvaroop paagalapan) jaise braandon ke lie dhanyavaad, logon ko phon eplikeshan ke maadhyam se maang par sab kuchh karane ke lie upayog kiya ja raha hai 2017 mein, mujhe ummeed hai ki yah dekhane ke lie ki yah aage bhee vikasit ho. hamaare paas savaaree, bhojan vitaran, aur yahaan tak ​​ki ek ke lie hamaare paas upalabdh hajaaron aip hain
dendaari lekhon ke karmiyon dvaara frji beejakon par nazar rakhani chaahiye. khareed aadesh pranaali ke abhaav mein, raksha ki pehli pankti hai anumodit karne wala prabandhak. fir bhi, A/P stauf ko kuchh saamaanya samasyaaon ke saath parichit hona chaahiye, jaise "yallo pejas" dhokhaadhadiyaan, jismein kapati prachaalak vigyaapan dete hain. chalne waali ungaliyon ke logo ko kabhi tredamaark naheen banaaya gaya hai aur yallo pejas shaili ki kai nirdeshikaaen upalabdh hain, jinka bahut kam vitran hota hai. sheetakaaleen 2000 ameriki perol association ke empalauyar praiktiss ke ek lekh ke anusaar, "vikreta aise dastaavej bhej sakte hain jo dekhne mein beejak ke samaan lage, lekin jin par chhote aksharon mein mudrit hota hai "yeh bill naheen hai". ye nirdeshika soocheekaran ya vigyaapan ke liye shulk ho sakte hain. haal hi mein, kuchh companiyon ne jo check bhejane shuroo kiye hain, ve dekhne mein to chhoot ya vaapasi ki prateet hoti hain; vaastav mein, yeh sakriya sevaaon ke liye panjeekaran hai, jab dastaavej hastaakshar ke saath lautaae jaate hain."
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.
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