1
Neil E Campbell, Donald J Urbas: Method of assembly of implantable transponder. Bio Medic Data Systems, Stroock & Stroock & Lavan, November 24, 1998: US05840148 (215 worldwide citation)

An improved identification marker and method of assembling the marker is provided, which includes the steps of providing a glass vial and filling the glass vial with a quick curing liquid to a predetermined volume corresponding to at least the volume wherein the unfilled volume of the vial is equal ...


2
Donald J Urbas, David Ellwood: System monitoring reprogrammable implantable transponder. Bio Medic Data Systems, Stroock & Stroock & Lavan, March 3, 1998: US05724030 (123 worldwide citation)

A passive transponder including an antenna for receiving an input signal and transmitting an output and a memory for storing the data received by the transponder from an interrogator. The transponder can operate in either a read mode or a programming mode. The transponder includes an integrity circu ...


3
Donald J Urbas, David Ellwood: System monitoring programmable implanatable transponder. Bio Medic Data Systems, Stroock & Stroock & Lavan, January 2, 1996: US05481262 (118 worldwide citation)

A passive transponder includes a receive antenna for receiving an input signal. A frequency generator and modulator receives the input signal and outputs a data carrier signal having a frequency independent of the input signal frequency. A programmable memory and thermistor are provided to produce u ...


4
Donald J Urbas, David Ellwood, John Burne: Programmable transponder. Bio Medic Data Systems, Stroock & Stroock & Lavan, July 2, 1996: US05532686 (103 worldwide citation)

A passive transponder has a power antenna which receives a power signal and a communication antennas which receives a communication signal. An information generating circuit creates a second communication signal in response to the first communication signal and outputs the second communication signa ...


5
Donald J Urbas, David Ellwood: System monitoring programmable implantable transponder. Bio Medic Data Systems, Blum Kaplan, October 12, 1993: US05252962 (98 worldwide citation)

A passive transponder includes a receive antenna for receiving an input signal. A frequency generator and modulator receives the input signal and outputs a data carrier signal having a frequency independent of the input signal frequency. A programmable memory and thermistor are provided to produce u ...


6
Donald J Urbas, David Ellwood: Antenna and driving circuit for transmitting and receiving images to and from a passive transponder. Bio Medic Data Systems, Blum Kaplan, October 5, 1993: US05250944 (37 worldwide citation)

A system for receiving a signal from a passive transponder includes a probe which transmits an exciter signal having a first frequency and receives a signal from the transponder having a second frequency. The probe includes an antenna for transmitting the exciter signal. The antenna includes a secon ...


7
Donald J Urbas, David Ellwood: System monitoring programmable implantable transponder. Bio Medic Data Systems, Stroock & Stroock & Lavan, June 6, 1995: US05422636 (36 worldwide citation)

A passive transponder includes a receive antenna for receiving an input signal. A frequency generator and modulator receives the input signal and outputs a data carrier signal having a frequency independent of the input signal frequency. A programmable memory and thermistor are provided to produce u ...


8
Donald J Urbas, Cornelia A O Neill: Transponder scanner. Bio Medic Data Systems, Blum Kaplan, November 16, 1993: US05262772 (35 worldwide citation)

A transponder scanner for scanning a passive transponder within a high noise environment has a housing. A ferrite rod is positioned within the housing. A high gauge thin wire is wound about the ferrite rod to form a magnetic coil so that adjacent coils of the magnetic coil are separated by a distanc ...


9
Donald J Urbas, David Ellwood: Method for calibrating a temperature sensing transponder. Bio Medic Data Systems, Stroock & Stroock & Lavan, June 16, 1998: US05767792 (30 worldwide citation)

A method of calibrating a characteristic sensor of a transponder having a memory characteristic of a host including the steps of placing a transponder in a liquid bath having a known temperature, measuring the value of the bath with the transponder, outputting the temperature value measured by the t ...


10
Donald J Urbas, David Ellwood: Antenna and driving circuit for transmitting and receiving signals to and from a passive transponder. Bio Medic Data Systems, Stroock & Stroock & Lavan, May 30, 1995: US05420579 (19 worldwide citation)

A system for receiving a signal from a passive transponder includes a probe which transmits an exciter signal having a first frequency and receives a signal from the transponder having a second frequency. The probe includes an antenna for transmitting the exciter signal. The antenna includes a secon ...