Applications for radio frequency identification systems

US006232870B1

<11) United States Patent (10) Patent N0.I US 6,232,870 B1 Garber et al. (45) Date 0f Patent: May 15, 2001 (54) APPLICATIONS FOR RADIO FREQUENCY 4,141,078 2/1979 Bridges, Jr. et al. .............. .. 364/900 21222;; , 1412;: 11 321/122 , , ICIISPCC (75) Inventors: Sharon R. Garber, Crystal; Bernard 4323330 9/1980 Walt?“ ~~~~~~ ~~ 235/380 A. Gonzalez, St. Paul; Mitchell B. 4>312»003 1/1°82 Rf’bb‘“S’ 1‘ 343/788 Grunes Minnea 1. _ R. h d H 4,319,674 3/1982 Riggs et al. .. 194/4 ’ PO15’ 1° ar ' 4407 000 9/1983 Sasaki etal. 343/726 Ja°kS°“> Inver Gr°"@ Heights; Gerald 474137254 11/1983 Pinneo et al. .. 340/572 L- K‘-"eh MaP1@W°°d; John M- KP“$°> 4:442:507 4/1984 ROCSHCI .... .. 365/100 Minneapolis; Richard W- Lindahl, 4,578,654 3/1986 Tait 333/175 Oakdale; James E. Nash, Bloomington; 4,580,041 4/1986 Walton . 235/380 Chester Pi0tr0Wski, White Bear Lake; 4,583,083 4/1986 Bogasky 340/572 John [)_ Yul-kovich, Maplewood, 811 of 4,598,276 7/1986 Tait .................................... .. 340/572 MN (US) (List continued on next page.) (73) ASS1gI1€€Z 3M IHHOVHIIVE PPOPEITIQS C0lTlp3l1y, FOREIGN PATENT DOCUMENTS St. Paul, MN (US) _ _ _ _ _ 43 19 878 12/1993 (DE) .............................. .. G06K/7/08 ( * ) Notice: Sub]ect to any disclaimer, the term of this 44 15 801 9/1994 (DE) (30813/13/24 patent is extended or adjusted under 35 43 41 880 A1 6/1995 (DE) ............................ .. G07C/11/00 U.S.C.154b b 0d . ( ) y ays (List continued on next page.) (21) APP1~ N01 09/368,826 OTHER PUBLICATIONS (22) Flledi Aug 5’ 1999 Flyer entitled “Combined Anti-Theft and RF Programmable Related U.S. Application Data Tag” from ISD (RF/ID) Ltd. FinkenZeller; “RFID Handbook—Radio-Frequency Identi(63) Continuation-in-part of application N0. 09/344,758, filed on fication Fundamentals and Applications”; 1999; pp. Jun. 25, 1999, now abandoned, which is a c0ntinuati0n-in- 227_273_ Egiifiigggggggen NO‘ 09/134586’ filed on Aug‘ 14’ 1998’ John BoWers; “Road to intelligent tagging is paved With opportunities”; Automatic I.D. NeWs; Oct. 1995; pp. 86-87. Illt. C17 ..................................................... .. Primary Examiner_ThOmaS Mullen (52) U.S. Cl. ..................... .. 340/10.1, 340/572.4, 235/385 (74) A”°’”°y’ Age“ O’ F1"”—P°1°1 L" 015°“ 57 ABSTRACT (58) Field 0f Search ............................ .. 340/572.4, 572.3, ( ) 34()/5726, 5727, 595, 1()_1, 32534; 235/389, The present invention relates to RFID devices, including 385; 705/28 handheld RFID devices, and applications for such devices. _ The devices and applications may be used in connection (56) References Clted With items that are associated With an RFID tag, and U_$_ PATENT DQCUMENTS optionally a magnetic security element. The devices and applications are described With particular reference to 351315011 """""""""""""""" " 340/280 library materials such as books, periodicals, and magnetic , , a on .... .. ~ ~ 3,790,945 2/1974 Fearon .... .. and °p11°a1 111°d1°' 3,816,708 6/1974 Walton .... .. 4,063,229 12/1977 Welsh et al. ....................... .. 340/571 21 Claims, 10 Drawing Sheets

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WO 98/13805 4/1998 (WO) .......................... .. G08B/23/00 WO 99/64974 12/1999 (WO) .

WO 98/16070 4/1998 (WO) .. H04Q/1/00 WO 99/65006 12/1999 (WO) .......................... .. G08B/17/00 WO 98/27670 6/1998 (WO) .. H04B/7/08 00/16280 3/2000 (WO) .......................... .. G08B/13/14 WO 99/05659 2/1999 (WO) .. G08B/13/14

W0 99/05660 2/1999 (WO) .......................... .. G08B/13/14 * cited by examiner