Biofeedback system
Patent 4557275 Issued on December 10, 1985. Estimated Expiration Date: 
May 20, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
May 20, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3208062 3588858 3798631 3895366 Biofeedback training method and system Method and device for use by disabled persons in communicating Patent #: 4408192 InventorApplicationNo. 06/496465 filed on 05/20/1983US Classes:600/595, Body movement (e.g., head or hand tremor, motility of limb, etc.)340/573.1, Human or animal450/149With insertable or removble panel unit, e.g., "convertible"ExaminersPrimary: Coven, Edward M.Attorney, Agent or FirmInternational ClassesA61B 5/00 (20060101)A61B 5/11 (20060101) AbstractA biofeedback system including a plurality of switches, for example mercury switches, which can be positioned on a patient's body and operatively arranged to respond to changes in orientation or position of a body member such as, for example, a patient's hand, wrist and forearm. Circuitry is arranged to respond to the closing of respective ones of the switches and develop specific, distinct biofeedback signals, for example, individual audible and visual signals for respective switch closings. An additional plurality of switches of the same construction can be placed on a therapist and be operatively arranged and connected to demonstrate the movements and illustrate the nature of the feedback signals.Other References
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