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Digital Angel Corporation Patents
Assignee:
Digital Angel Corporation
Address:
St. Paul, MN
No. of patents:
14
Patents:




Patent Number Title Of Patent Date Issued
7629531 Low power thermoelectric generator December 8, 2009
A thermoelectric generator has a top plate disposed in spaced relation above a bottom plate. A series of foil segments are electrically and mechanically connected end-to-end to generate a foil assembly that is spirally wound and in thermal contact with the bottom and top plates. Each
7626114 Thermoelectric power supply December 1, 2009
A thermoelectric power supply converts thermal energy into a high power output with voltages in the Volt-range for powering a microelectronic device and comprises an in-plane thermoelectric generator, a cross-plane thermoelectric generator, an initial energy management assembly, a vo
7297112 Embedded bio-sensor system November 20, 2007
Provided is a bio-sensor system which utilizes radio frequency identification technology and which includes a remote transponder in wireless communication with an implantable passively-powered on-chip transponder. The bio-sensor system is specifically adapted to provide a substantial
7241266 Transducer for embedded bio-sensor using body energy as a power source July 10, 2007
Provided is a bio-sensor system which utilizes radio frequency identification technology and which includes a remote transponder in wireless communication with an implantable on-chip transponder. A power supply collects alternating current voltage pulses from an electro-active polyme
7176846 Passive integrated transponder tag with unitary antenna core February 13, 2007
A passive integrated transponder (PIT) tag comprising an integrated circuit and a unitary core is described. The unitary core comprises a coil-forming portion proximate one end thereof and an integrated circuit support portion proximate an opposite end thereof. The integrated circuit
7125382 Embedded bio-sensor system October 24, 2006
Provided is a bio-sensor system which utilizes radio frequency identification technology and which includes a remote transponder in wireless communication with an implantable passively-powered on-chip transponder. The bio-sensor system is specifically adapted to provide a substantial
7015826 Method and apparatus for sensing and transmitting a body characteristic of a host March 21, 2006
A passive transponder including an integrated sensor is disclosed. The transponder receives an interrogation signal from a scanner, and is operable to transmit identification information and body characteristic information to a scanner. The scanner is operable to receive the identifi
6947004 Passive integrated transponder tag with unitary antenna core September 20, 2005
A passive integrated transponder (PIT) tag comprising an integrated circuit and a unitary core is described. The unitary core comprises a coil-forming portion proximate one end thereof and an integrated circuit support portion proximate an opposite end thereof. The integrated circuit sup
6847892 System for localizing and sensing objects and providing alerts January 25, 2005
The present invention generally relates to systems, methods and applications utilizing the convergence of any combination of the following three technologies: wireless positioning or localization technology, wireless communications technology and sensor technology. In particular, cer
6833790 Livestock chute scanner December 21, 2004
A method and apparatus are provided to identify objects, including livestock. In one embodiment, a device is presented that includes a reflector shield mounted proximate the interrogator that is mounted on or near a livestock chute gate. The reflector shield decreases the amount of t
6720930 Omnidirectional RFID antenna April 13, 2004
An omni-directional RFID antenna is provided for use with a remote interrogator/reader system used for identifying tagged animals. A pair of antenna coils are arranged in a crossing pattern that results in the creation of an omni or multi-directional electromagnetic field. Additional
6700547 Multidirectional walkthrough antenna March 2, 2004
A flexible interrogator antenna design having a single antenna with an inner and an outer antenna coil positioned in a flat, flexible, rectangular housing or mat which can be positioned in a configuration having two sides and a top across an easily erected temporary frame to form a w
6559620 System and method for remote monitoring utilizing a rechargeable battery May 6, 2003
A method and a system for remotely monitoring a person includes a portable unit including a self-recharging battery, the portable unit being adapted to monitor a biological parameter and a physical location of the person; a global positioning satellite transmitting global positioning sys
6369694 Apparatus and method for remotely testing a passive integrated transponder tag interrogation sys April 9, 2002
A remotely testable Passive Integrated Transponder (PIT) tag interrogation system is described. The system comprises a remotely activated test PIT tag fixed within the field of the system antenna By selectively activating the test PIT tag, and determining successful receipt of the test t

 
 
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