1
Paul J Gaudet, Thomas P Blackadar, Steven R Oliver: Measuring foot contact time and foot loft time of a person in locomotion. Personal Electronic Devices, Wolf Greenfield & Sacks P C, January 25, 2000: US06018705 (409 worldwide citation)

The time period that a foot is in contact with the ground during a stride taken by a user, and the period that the foot is not in contact with the ground between strides taken by the user are determined by processing and analyzing the output signal of an accelerometer. The accelerometer is mounted o ...


2
Thomas P Blackadar, Jesse Darley: Monitoring activity of a user in locomotion on foot. FitSense Technology, Wolf Greenfield & Sacks P C, May 24, 2005: US06898550 (307 worldwide citation)

In one embodiment, a method involves determining at least one calculated parameter based upon at least one determined performance parameter of the user and at least one determined variable physiological parameter of the user. In another embodiment, a method involves identifying at least one of an ex ...


3
Paul J Gaudet, Thomas P Blackadar, Steven R Oliver: Measuring foot contact time and foot loft time of a person in locomotion. Personal Electronic Devices, Wolf Greenfield & Sacks P C, April 18, 2000: US06052654 (270 worldwide citation)

The time period that a foot is in contact with the ground during a stride taken by a user, and the period that the foot is not in contact with the ground between strides taken by the user are determined by processing and analyzing the output signal of an accelerometer. The accelerometer is mounted o ...


4
Norbert Ohlenbusch, Jesse Darley, Thomas P Blackadar, Paul J Gaudet: Monitoring activity of a user in locomotion on foot. Personal Electronic Devices, Wolf Greenfield & Sacks P C, December 10, 2002: US06493652 (244 worldwide citation)

In one embodiment, a method involves, in response to movement of a user during at least one footstep taken by the user, generating a signal that experiences changes during a time period that the foot is airborne during the at least one footstep. At least one change in the signal generated after the ...


5
Thomas P Blackadar, Paul J Gaudet, Samuel W Joffe: Detecting the starting and stopping of movement of a person on foot. Personal Electronic Devices, Wolf Greenfield & Sacks P C, October 2, 2001: US06298314 (218 worldwide citation)

Various methods for monitoring movement of a person involve using a sensor to generate a signal in response to movement of a person. In one embodiment, a characteristic in the signal is identified that indicates the person is walking or running and, in response to identifying the characteristic, a t ...


6
Thomas P Blackadar, Victor E Shiff: Low-cost accelerometer. Personal Electronic Devices, Wolf Greenfield & Sacks P C, January 8, 2002: US06336365 (189 worldwide citation)

An apparatus is mounted to an object, and a signal from the apparatus is used to monitor the acceleration of the object. The apparatus includes a structure that flexes in response to acceleration of the object, and a transducer supported by the structure so as to generate a signal responsive to flex ...


7
Steven D Baker, Eric T McAdams, James P Welch, Norbert Ohlenbusch, Thomas P Blackadar: Body worn physiological sensor device having a disposable electrode module. Welch Allyn, Sonny Z Zhan, July 3, 2012: US08214007 (73 worldwide citation)

A body worn patient monitoring device includes at least one disposable module including a plurality of electrical connections to the body. The body worn patient monitoring device also includes at least one communication-computation module, the communication-computation module having at least one mic ...


8
Jesse Darley, Thomas P Blackadar: Monitoring activity of a user in locomotion on foot. NIKE, Banner & Witcoff, September 23, 2008: US07428471 (61 worldwide citation)

A user in locomotion on foot during an outing may identify a grade of a surface with at least one device supported by the user. A performance parameter of the user may be determined with the device based upon the grade of the surface, which may be based upon a measured physiological parameter of the ...


9
Jesse Darley, Thomas P Blackadar: Monitoring activity of a user in locomotion on foot. NIKE, Banner & Witcoff, September 23, 2008: US07428472 (44 worldwide citation)

A device supported by a user while the user is in locomotion on foot during an outing may monitor a performance parameter of the user. The performance parameter may comprise a pace and/or a speed of the user. Prior to the outing, the device may be configured to specify a first interval and second in ...


10
Norbert Ohlenbusch, Joseph Wronski, Paul J Gaudet, Thomas P Blackadar, Steven R Oliver: Intelligent data network with power management capabilities. FitSense Technology, Wolf Greenfield & Sacks P C, March 6, 2007: US07187924 (26 worldwide citation)

In one embodiment, a method for implementing two-way communication between at least first and second devices comprises steps of: (a1) during finite time periods following transmission of respective first messages from the first device to the second device, using the first device to listen for second ...