1
Malcolm L Bond, Philip T Dempster: Method for diagnosis and/or training of proprioceptor feedback capabilities in a muscle and joint system of a human patient. Loredan Biomedical, Townsend and Townsend, January 7, 1992: US05078152 (287 worldwide citation)

A method for diagnosis and/or training of proprioceptor feedback capabilities of a muscle and joint system of a human patient using an exercise system having a patient attachment device and an arrangement for controlling parameters of an exercise movement in response to a control signal derived from ...


2
Glen Mangseth, Albert J Lovas, Philip T Dempster: Apparatus for controlled exercise and diagnosis of human performance. Loredan Biomedical, Townsend and Townsend, February 16, 1993: US05186695 (238 worldwide citation)

Muscle exercise and diagnostic apparatus with an output shaft, a servo motor coupled in driving relation to the output shaft, and a support mechanism for mounting the output shaft and the servo motor in a selectable stationary position. A plurality of work simulation tools and coupling arrangements ...


3
Jeffrey T Prince, Robert L Rawls, Philip T Dempster, Jody Ono: Exercise and diagnostic apparatus and method. Loredan Biomedical, Townsend and Townsend Khourie and Crew, September 20, 1994: US05348519 (53 worldwide citation)

A horizontal support arm is mounted for upward and downward movement on a vertical support column. An interface unit having an actual mass value is disposed on a free end of the horizontal support arm and is adapted to be grasped and lifted by a human subject. A simulated mass value independent of s ...


4
Malcolm L Bond, Philip T Dempster: Exercise and diagnostic system and method. Loredan Biochemical, Flehr Hohbach Test Albritton & Herbert, July 22, 1986: US04601468 (53 worldwide citation)

A muscle exercise and diagnostic system which includes a lever arm, a mounting arrangement for mounting the lever arm for rotation about a fixed axis, and a connecting arrangement for connecting a selected portion of the human body to the lever arm for rotation with the lever arm about a selected an ...


5
Philip T Dempster, Joe Forma, Gary Engle, Fredrick Luffman: Position-based motion controller. Loredan Biomedical, Townsend and Townsend Khourie and Crew, September 14, 1993: US05244441 (27 worldwide citation)

An isokinetic exercise system includes an active exercise resistance unit and a computer controller. The active exercise resistance unit includes a lever arm assembly attached to a motor, and a patient attachment cuff is slidingly mounted to the lever arm assembly. A potentiometer is used to determi ...


6
Malcolm L Bond, Philip T Dempster: Exercise diagnostic system and method. Loredan Biomedical, Lowell C Bergstedt, March 6, 1990: US04905676 (19 worldwide citation)

A muscle exercise and diagnostic system which includes a lever arm, a mounting arrangement for mounting the lever arm for rotation about a fixed axis, and a connecting arrangement for connecting a selected portion of the human body to the lever arm for rotation with the lever arm about a selected an ...


7
Philip T Dempster: Method and apparatus for volume measurement and body composition estimation. Life Measurement Instruments, Heller Ehrman White & McAuliffe, April 21, 1992: US05105825 (14 worldwide citation)

Method and apparatus for volume measurement and body composition estimation provides an accurate, non-invasive estimation of the body volume and body composition of an object or body such as a human being. The present invention provides a first chamber with a door or closable means of entry through ...


8
Philip T Dempster, John Y Pun: Gas flow measuring system. Cavitron Corporation, Robert M Skolnik, William R Evans, June 9, 1981: US04271701 (11 worldwide citation)

The pressure difference across a pneumotach restriction is sampled with a gas chopper connected across a pressure difference detecting transducer. The gas chopper alternates the pressures backward and forward in application to the transducer so that the latter develops an AC sampling signal, the str ...


9
Philip T Dempster, Michael V Homer, Mark Lowe, Alessandro Urlando: Air circulation apparatus and methods for plethysmographic measurement chambers. Life Measurement, Fish & Neave IP Group Ropes & Gray, Mark D Rowland, Chi Hsin Chang, April 4, 2006: US07022087 (10 worldwide citation)

Apparatus and methods relating to circulation of air within a plethysmographic measurement chamber are provided. An air circulation system, comprised of one or more pumps, is coupled to a plethysmographic measurement chamber using one or more inlet and exhaust tubes. The air circulation system renew ...


10
Philip T Dempster: Method and apparatus for measuring gaseous oxygen. Robert B Block, February 21, 1984: US04432226 (10 worldwide citation)

An oxygen detection system including two equal and symmetrically constructed major DC magnetic circuits each having an air gap which is alternatively filled with a sample and a reference gas. A magnetic bridge arm connects the major magnetic circuits in series opposition to derive a null response wh ...