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| Number | Title | Issue Date |
| 6879809 | Wireless electrostatic charging and communicating system The wireless electrostatic charging and communicating system includes an electrostatic reader, an electrostatic charger and an electrostatic rechargeable device or electrostatic transceiver such as such as a smart card or radio frequency identification (RFID) card w... | 04/12/2005 |
| 6611199 | Capacitively powered portable communication device and associated exciter/reader and related method A portable communication device uses a first electrostatic antenna element and a second electrostatic antenna element and circuitry which is coupled to the first antenna element and to the second antenna element and which derives operating power from an e... | 08/26/2003 |
| 6496112 | Radio frequency identification tag with a programmable circuit state A radio frequency identification tag (16) includes stored tag information (56) and at least one antenna element (30). The tag also includes a programmable tag circuit state that is either "on" or "off" based on an "on/off" command signal (35) received by ... | 12/17/2002 |
| 6411213 | Radio frequency identification tag system using tags arranged for coupling to ground A radio frequency identification tag system (10) utilizes a radio frequency identification tag (16) that includes stored information. The tag includes an antenna element (28) and a common electrode (26), the common electrode being coupled to ground (70). ... | 06/25/2002 |
| 6282407 | Active electrostatic transceiver and communicating system An active electrostatic transceiver is provided that has electrostatic electrodes, an energy storage means such as a battery and a transceiver circuit for communication within an electrostatic RFID communication system. The transceiver circuit includes po... | 08/28/2001 |
| 6275681 | Wireless electrostatic charging and communicating system The wireless electrostatic charging and communicating system includes an electrostatic reader, an electrostatic charger and an electrostatic rechargeable device or electrostatic transceiver such as such as a smart card or radio frequency identification (R... | 08/14/2001 |
| 6265977 | Radio frequency identification tag apparatus and related method A radio frequency identification device (100, 200, 300, 350, 400, 500, 700) includes a substrate member (110) having a first surface (109) and a second surface (111). Disposed on the first surface of the substrate member are a first antenna element (112) ... | 07/24/2001 |
| 6252508 | Radio frequency identification tag arranged for magnetically storing tag state information A radio frequency identification tag system (10) utilizes a radio frequency identification tag (16) that includes stored tag information. The tag includes an antenna element (30) and a common electrode (28). The antenna element electrostatically receives ... | 06/26/2001 |
| 6236316 | Transport device with openings for capacitive coupled readers Identification tags (22) are secured to objects (20) moving upon a transport band (16). The identification tags (22) each contain a transponder circuit (32) in electrical communication with transponder antennae (30, 31). The transponder circuit (32) conta... | 05/22/2001 |
| 6218942 | Radio frequency identification tag exciter/reader A radio frequency identification tag exciter/reader (10) is arranged for operation in association with an article transport device (100). The radio frequency identification tag exciter/reader (10) includes a canopy assembly (12) into which an exciter ante... | 04/17/2001 |
| 6157300 | Flexible tag agitator Flexible tags are secured to parcels moving upon a conveyor belt. The flexible tags each contain a transponder circuit in electrical communication with a transponder antenna. The transponder circuit contains a unique digital code containing data relating ... | 12/05/2000 |
| 6147605 | Method and apparatus for an optimized circuit for an electrostatic radio frequency identification tag A radio frequency identification tag (100) in accordance with the present invention includes a first antenna element (112), a second antenna element (114) and a radio frequency identification circuit (116). The first antenna element (112) is electrically ... | 11/14/2000 |
| 6130613 | Radio frequency indentification stamp and radio frequency indentification mailing label A radio frequency identification stamp (10) includes a substrate (24) with a first surface (12) and a second surface (18). The first surface (12) is printed with indicia indicating at least a postage value. An antenna (16) is formed on the second surface ... | 10/10/2000 |
| 6107921 | Conveyor bed with openings for capacitive coupled readers Identification tags are secured to parcels moving upon a conveyor belt. The identification tags each contain a transponder circuit in electrical communication with a transponder antenna. The transponder circuit contains a unique digital code containing da... | 08/22/2000 |
| 6094138 | Integrated circuit assembly and method of assembly An integrated circuit assembly (12) such as used on a radio frequency identification tag, or other device, includes an integrated circuit (14) coupled to first and second printed conductors (16a) and (16b), such as tag electrodes, on a flexible substrate ... | 07/25/2000 |
| 6040773 | Radio frequency identification tag arranged for magnetically storing tag state information A radio frequency identification tag system (10) utilizes a radio frequency identification tag (16) that includes stored tag information. The tag includes an antenna element (30) and a common electrode (28). The antenna element electrostatically receives ... | 03/21/2000 |
