Compensating system for kinesiograph mandibular tracker

Details Compensating system for kinesiograph mandibular tracker Compensating system for kinesiograph mandibular tracker

1980-07-03

1982-07-27

Wise, Edward J.

Boots, shoes, and leggings

128653, A61B 505

Patent

active

043420869

ABSTRACT:
A system for compensating for geometric distortions inherent in a kinesiograph mandibular tracker which measures mandibular movement using an array of sensors generating respective outputs representing the distances between the sensors and a reference point on the mandible. The kinesiograph mandibular tracker generates approximate position outputs from the sensor outputs which correspond to the approximate vertical, anterior-posterior and lateral position of the reference point. The approximate position outputs are applied to the compensating system which periodically samples and stores the outputs. Each of the stored samples is sequentially digitized and applied to a processing unit. After the digitized signal for each approximate position output has been stored in the processing unit, the processing unit calculates the actual position of the reference point and sequentially generates digitized representations of the actual vertical, anterior-posterior and lateral positions of the reference point. An analog signal is derived from each digitized representation as it is produced, and the analog signals are routed to respective sample-and-hold circuits which continuously generate actual position outputs corresponding to the actual vertical, anterior-posterior and lateral position of the reference point. These actual position outputs are applied to the kinesiograph mandibular device in the same manner that the approximate position outputs are normally applied.

REFERENCES:
patent: 3822694 (1974-07-01), Mills
patent: 4083114 (1978-04-01), Acevendo
patent: 4197855 (1980-04-01), Lewin

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