1
Lawrence J Karr, Gary L Wasserman, George R Boehme: Electronic pedometer. Lawrence Joseph Karr, Gary Lee Wasserman, Reagin & King, February 1, 1983: US04371945 (174 worldwide citation)

A pedometer is disclosed which calculates the distance a user walks, jogs or runs by electronically measuring the length of each stride taken by the user. Stride length is measured using ultrasonic waves. The pedometer comprises an ultrasonic generator module which is strapped to one leg of the user ...


2
Joseph H Schulman, John C Gord, Paul D DeRocco, Lawrence J Karr, Dan Folkman, Andrew Barber: Multichannel communication protocol configured to extend the battery life of an implantable device. Alfred E Mann Foundation for Scientific Research, Lee J Mandell, October 29, 2002: US06472991 (146 worldwide citation)

A communication protocol that is configured to extend the battery life of devices that monitor and/or affect body parameters and is particularly useful in a system comprised of a system control unit (SCU) and one or more implanted devices. Each such implanted device is configured to be monitored and ...


3
Lawrence J Karr, William H Mitchell: System and apparatus for performing broadcast and localcast communications. Microsoft Corporation, Merchant & Gould P C, January 26, 2010: US07653363 (120 worldwide citation)

Described is a communication system including mobile communication devices. In the described system, the mobile devices may be wrist-worn watches such as are in common use today, except that the watches are specially configured to receive data in a “broadcast” mode and transmit and/or receive data i ...


4
Gregory J DelMain, Dan Folkman, Paul DeRocco, Lawrence J Karr: System and method for sharing a common communication channel between multiple systems of implantable medical devices. Alfred E Mann Foundation for Scientific Research, Malcolm J Romano, July 29, 2008: US07406105 (106 worldwide citation)

A system and method that facilitates multiple systems of communicating devices, i.e., a master device and one or more implantable slave devices, to coexist on a common, e.g., RF, communication channel having a limited temporal bandwidth while maintaining the required update rate between each master ...


5
Lawrence J Karr, John Charles Gord: System and method for automatically tuning an antenna. Microsoft Corporation, Brett A Hertzberg, Merchant & Gould P C, June 14, 2005: US06907234 (97 worldwide citation)

An apparatus and method is related to a wireless system with an antenna that is automatically tuned to a desired frequency. The antenna is coupled to an adjustable tuning circuit to form a tuned antenna circuit that has a resonant frequency. The adjustable tuning circuit may be adjusted by activatin ...


6
Paul DeRocco, John C Gord, Einan Regev, Lawrence J Karr, Farid David Imani: Implantable device and communication integrated circuit implementable therein. Alfred E Mann Foundation for Scientific Research, Malcolm J Romano, July 3, 2007: US07237712 (86 worldwide citation)

An implantable device and a wireless communication integrated circuit (IC) implementable in the implantable device for communicating with a remote unit, wherein the communication IC is capable of self-initializing, namely initial booting without requiring an external general booting program to force ...


7
Lawrence J Karr, Phillip B Hess: Rotationally invariant non-coherent burst coding. Alfred E Mann Foundation for Scientific Research, Malcolm J Romano, August 17, 2010: US07779332 (71 worldwide citation)

An apparatus, system and method can be arranged for coding and/or decoding with a phase invariant coding scheme that is useful for short burst signaling devices. 10-bit data is mapped into a 12-bit data with a non-coherent burst code mapper. A parity generator creates a 12-bit parity data to form a ...


8
Paul DeRocco, John C Gord, Einan Regev, Lawrence J Karr, Farid David Imani: Implantable device and communication integrated circuit implementable therein. Alfred E Mann Foundation for Scientific Research, Malcolm J Romano, August 17, 2010: US07775444 (53 worldwide citation)

A wireless implantable device for communicating with a remote unit, wherein the wireless device is capable of self-initializing, namely initial booting without requiring an external general booting program to force the booting process. The implantable device can download program instructions from th ...


9
Lawrence J Karr: System and method for locating objects and communicating with the same. Alfred E Mann Foundation for Scientific Research, Malcolm J Romano, January 12, 2010: US07646330 (37 worldwide citation)

Communication between a remote locator and a transponder is used to determine the relative position of the transponder. The transponder and locator each include a transmitter and a receiver. The locator transmits an inquiry in the form of a relatively powerful cyclically encoded signal with repetiti ...


10
Lawrence J Karr, William H Mitchell: Low latency data stream encoding and transmission. Microsoft Corporation, Merchant & Gould P C, March 25, 2008: US07349675 (33 worldwide citation)

Described is a communication system including mobile communication devices. In the described system, the mobile devices may be wrist-worn watches such as are in common use today, except that the watches are specially configured to receive data in a “broadcast” mode and transmit and/or receive data i ...