Germany mein dhoomrapaan virodhi samooh aksar sharaab virodhi samoohon ke saath jud gaye,[30] tambaakoo ke sevan ke khilaaf der taibakajejaner Der Tabakgegner (tambaakoo pratidvandvi) patrika mein 1912 aur 1932 mein prakaashit lekh mein pehli baar vakaalat ki gayi. san 1929 mein Germany ke dresaden ke fritj likint ne ek lekh prakaashit kiya jismein fefadon ke Cancer-tobaiko link ka aupachaarik saankhyikeeya saboot tha. edaulf hitlar ne ghanaghor avasaad ke dauraan dhoomrapaan karne ki lat ko paise ki barabaadi kehkar ninda ki thi aur baad mein usane drudh vaktavya diye.[31] yeh aandolan aage chalakar naaji prajanan neeti ke kaaran aur majboot hua jismein mahilaaon ke dhoomrapaan ko ek jarman parivaar mein patniyon aur maataaon ke liye anupayukt maana gaya.[32]
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.
2002 ke baad se taaipei, taaivaan mein parivhan pranaali, kiraaya sangrah ke liye RFID sanchaalit card ka upayog karti hai. iji card ko sthaaneeya suvidha store aur metro stationon par chaarj kiya ja sakta hai aur metro, bason aur parking mein istemaal kiya ja sakta hai. upayog ko bhavishya mein taaivaan ke sampoorn taapoo mein laagoo karne ki yojana hai.
dendaari lekha ek aisa faail ya khaata hai, jismein vyakti ya company dvaara aapoortikrtaaon ko bakaaya, lekin ab tak adatt (karj ka ek roop) paisa hota hai. jab aapko beejak praapt hota hai, to aap use faail se jodte hain aur bhugataan karte samay use hataate hain. is prakaar, A/P rin ka ek aisa svaroop hai, jo aapoortikrta apne khreedaaron ko pesh karte hain, jiske jriye pehle se hi praapt kisi utpaad ya seva ke liye baad mein bhugataan anumat hota hai.
RFID passport ke liye maanak antarraashtreeya naagar vimaanan sangathan (ICAO) dvaara nirdhaarit kiye jaate hain aur ye ICAO dastaavej 9303, bhaag 1, khand 1 aur 2 mein nihit hain (6 sanskaran, 2006). ICAO E-passport mein ISO/IEC 14443 RFID chip ko "kauntaiktales intigreted sarkit" ke roop mein sandarbhit karta hai. ICAO maanak, E-passport ko pahachaanane ke liye saamane ke aavaran par ek maanak E-passport logo upalabdh karaate hain.

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.

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."
kai deshon jaise Ireland, laataviya, estoniya, Netherland, France, Finland, naarve, Canada, Australia, sveedan, Portugal, Singapore, Italy, Indonesia, Bhaarat, lithuaaniya, chili, Spain, aaisalaind, United Kingdom, sloveniya aur maalta ne saarvajanik sthaanon par dhoomrapaan ke khilaaf kaanoon banaaye hain, jinmein baar aur restaurant bhi shaamil hain. restaurant mein bhi kuchh nyaayaalayon ne anumati di hai ki ve sunishchit dhoomrapaan kshetron (ya dhoomrapaan nishedh ke liye) ka nirmaan karein. sanyukt raajya America mein kai raajyon mein restaurant mein dhoomrapaan nishedh hai aur kuchh sharaabakhaanon mein bhi dhoomrapaan nishedh hai. Canada ke praanton mein inador kaaryasthalon aur saarvajanik sthaanon par dhoomrapaan avaidh hai jinmein sharaabakhaane aur restaurant bhi shaamil hain. 31 March 2008 ko Canada ne sabhi saarvajanik sthaanon par dhoomrapaan par pratibandh lagaaya, saath hi saath kisi bhi saarvajanik jagah ke pravesh dwaar ke 10 meter ke bheetar bhi yeh pratibandh laagoo hai. Australia mein dhoomrapaan par pratibandh har raajya mein alag-alag hai. vartamaan mein kveensalaind mein sabhi saarvajanik sthalon ke androoni hisson mein dhoomrapaan par poornataya pratibandh hai (jinmein kaaryasthal, sharaabakhaane, pab aur bhojanaalaya shaamil hain) saath hi saath aavaajaahi vaale samudra tat aur kuchh saarvajanik sthalon ke baahari kshetr shaamil hain. tathaapi, chihnit dhoomrapaan kshetr apavaad hain. Victoria mein train stationon, bas staap aur train staap par dhoomrapaan nishiddh hai aur in saarvajanik sthaanon par jahaan dhoomrapaan se parivhan ka intajaar kar raha gair dhoomrapaan karne wala prabhaavit ho sakta hai aur 1 July 2007 se use sabhi inador saarvajanik sthalon par laagoo kar diya gaya hai. New Zealand aur Brazil mein saarvajanik sthaanon se sanlagn kshetr mein dhoomrapaan karne par pratibandh laga diya hai, jismein mukhya roop se sharaabakhaana, restaurant aur pab shaamil hai. Hongkong mein 1 January 2007 ko kaaryasthal mein dhoomrapaan par pratibandh laga diya gaya jaise restaurant, karaaoke rooms, imaaraton aur saarvajanik park. sharaab parosane vaale baar jinmein 18 varsh ki aayu se kam ke logon ko pravesh naheen dete, ko 2009 tak chhoot di gayi. romaaniya mein railgaadiyon, metro stationon, saarvajanik sansthaanon (jahaan aamtaur par nirdisht sthal baahar hai) aur saarvajanik parivhan mein dhoomrapaan avaidh hai.
"sviching gati" yeh bataati hai ki ek inavartar prati sekand kitni baar troo se faals aur vaapas mein badal sakta hai ("laujikl naheen" prakriya ki ek electronic prastuti). tej laujik kam samay mein adhik kaarya ko poora kar sakte hain. digital laujik pehli baar tab upayogi ban gaye jab svichn gati pachaas hartj se oopar ho gayi, kyonki vah yaantrik kailakuletar ka sanchaalan kar rahe manushyon ke ek dal se tej thi. aadhunik electronic digital laujik niyamit roop se paanch geegaahartj (5 × 109 hartj) par parivrtit hote hain aur kuchh prayogashaala pranaali ek teraahartj (1 × 1012 hartj) se adhik par parivrtit hoti hai.
↑ Heckewelder, John Gottlieb Ernestus; Reichel, William Cornelius (June 1971) [1876] (PDF), History, manners, and customs of the Indian nations who once inhabited Pennsylvania and the neighbouring states, The Historical society of Pennsylvania, pa॰ 149, aai॰aऍsa॰abee॰aऍna॰ 978-0405028533, http://books.google.com/books?id=qPCuo4LkrIwC&printsec=frontcover, abhigman tithi: 2009-03-22
usi samay, nae ekeekrut paripth (ICs) eliyn, impinj aur NXP (poorv mein Philips) dvaara shuroo kiye gaye jisne behtar pradarshan dikhaaya aur IT parisanpatti nigraani anuprayog mein visfot hua. aaj ki taareekh mein isko bruhat paimaane par apnaane vaale bank of America aur vels faarago prateet hote hain - pratyek ki ek darjan se adhik deta kendron mein 100,000 se adhik parisanpatti hai.[16]

kuchh pranaaliyon mein yadi digital deta ka ek bhaag lupt ho jaae ya galat tareeke se vyavahrut hon, to sambandhit deta ke vishaal khandon ka arth poori tarah se badal sakta hai. kyonki kleef ifekt ke kaaran, upayogakartaaon ke liye bataana mushkil hai ki koi vishisht system vifalta ke kagaar par sahi tha ya fir vah asafal hone se pehle bahut adhik shor ko sahan kar sakta hai ya naheen.
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