3m Innovative Properties Company

Utc Fire and Security Corporation

Medtronic, Inc.

Edward D Goff

Chester Piotrowski

Ching-Long Tsai

Seth A Lieffort

Ronald David Jesme

Bernard A Gonzalez

Robert A Sainati

Thomas C Mercer

Peter J Zarembo

Gerald L Karel

Christopher Coy Fuller

Anthony Michael Belka

David Jerome Peichel

Scott D Pearson

Jon A Kirschhoffer

John M Kruse

Mitchell B Grunes

David Arthur Casavant

Peter M Eisenberg

Kimmo Kyllonen

Michele A Waldner

Janet T Keller

David P Erickson

Edmund J Ring

William J Kelliher, Jr

Rene Christian

Gary H Kemmetmueller

Diane E Morel

William L Schultz

Gene J Hickok

Leroy Stolberg

Corey Running

Umer Qureshi

Kathleen R Malewicki

A system for providing wireless power transfer includes a primary antenna having a primary lens surrounding the primary antenna and a secondary antenna having a secondary lens surrounding the secondary antenna. The secondary antenna is operatively connected to power at least one sensor. A mains power source is operatively connected to power the primary antenna. The primary and secondary antennas are separated a distance apart to wirelessly transfer power from the primary antenna to the secondary antenna.

Device for providing wireless energy transfer

A system for characterizing the environment and objects in the environment created by fusing a plurality of sensor data, comprising a plurality of radar sensors each radar sensor integrated into a wireless module. A processor is operatively connected to the plurality of radar sensors and to a memory, wherein the memory includes instructions recorded thereon that, when read by the processor, cause the processor to combine the sensor data to identify, monitor and characterize the environment and objects within the environment.

Advanced identification techniques for security and safety systems

The invention of the disclosure is an extension cable to connect via telemetry, an external medical device in a non-sterile zone with a medical device that is within a sterile zone. The telemetry extension cable includes a cable having a length and comprising a conductor, a first RF antenna attached at one end of the cable and a second RF antenna attached at a second end of the cable, at least one of the first or second antennas configured to transmit and receive RF signals to and from an implantable medical device.

Telemetry extension cable

Antenna shelf tape is disclosed for use with items having radio frequency identification elements or tags associated with items of interest.

Application for a radio frequency identification system

Various systems and methods of handling items such as files are disclosed, including systems and methods for polling RFID-tagged items while they are stored in storage areas.

Radio frequency identification in document management

A radio frequency identification (RFID) system is described that utilizes a substantially-contiguous conductive shield to shape an electromagnetic field formed by an antenna for communication with RFID tags. The antenna and the conductive shield have substantially planar forms, and may be mounted to a surface of a check-in/check-out area. The conductive shield is positioned around the antenna and within a plane parallel to the antenna, e.g., within the same plane. The conductive shield shapes the electromagnetic field to extend substantially in a direction perpendicular to the antenna, and prevents the electromagnetic field from forming substantially over the conductive shield.

Field-shaping shielding for radio frequency identification (RFID) system

A multi-loop antenna is described having a plurality of conductive loops to produce an electromagnetic field for radio frequency identification (RFID) communication with RFID tags. The conductive loops are spaced apart at least a distance that is selected based on a dimension of the RFID tags with which the antenna communicates. In this manner, the loops are positioned and spaced in a manner that reduces the size of the holes within the resulting magnetic field. In addition, the configuration of the described dual-loop antenna increases the coverage of the antenna, and decreases inter-winding capacitance, thereby increasing overall read range achieved by the antenna.

Multi-loop antenna for radio frequency identification (RFID) communication

Techniques for detecting radio-frequency identification (RFID) tags are disclosed. For example, an exit control system is described that detects unauthorized removal of articles from a protected facility. A series of antennas are setup to produce interrogation corridors located near the exit of the protected area. RFID tags are attached to the articles to be protected. Each tag includes information that uniquely identifies the article to which it is affixed and status information as to whether the articles removal from the facility is authorized. The RF reader outputs RF signals through the antennas to create electromagnetic fields within the interrogation corridors. The reader outputs RF power from a single port to the multiple antennas via a splitter/combiner. In this way, a single RF reader with only one transmitter/receiver port simultaneously interrogates multiple antennas. A variety of techniques are described by which the reader can detect the removal of an unauthorized article.

System for detecting radio-frequency identification tags

Algorithm for RFID security

In general, the invention is directed to techniques for creating and controlling a magnetic field for use with electronic article surveillance (EAS) markers. In particular, the techniques make use of current switching devices to generate a signal having one or more current pulses for creating the magnetic field. An electronic article surveillance (EAS) system includes a coil to create a magnetic field for changing a status of an EAS marker and a drive unit to output a signal having one or more current pulses for energizing the coil. A programmable processor within the EAS system controls the drive unit to generate the output signal according to a desired profile. By selectively activating and deactivating current switching devices within the drive unit, the processor can direct the drive unit to generate the output signal according to a desired profile having a number of current pulses of different amplitudes and direction.

Field creation in a magnetic electronic article surveillance system

A combination tag is disclosed, including a magnetically-responsive element and a radio frequency-responsive element. In one embodiment, the magnetically-responsive element also functions as an antenna for the radio frequency-responsive element.

Identification tag with enhanced security

Growing community of inventors

Oakdale, MN, United States of America

Edward D Goff