Larynx stroboscope device

Details Larynx stroboscope device Larynx stroboscope device

1978-11-14

1981-06-16

Atkinson, Charles E.

G10L 102

Patent

active

042739594

ABSTRACT:
A stroboscope device for diagnosis of larynx emissions. The system uses a saw tooth wave for generating in synchronization with a vocal cord vibration saw tooth waves whose voltages are constant in minimum and maximum values. A reference voltage generating circuit is used whose output voltage is variable and a discharge tube light emission control signal generating circuit compares the instantaneous voltage of each saw tooth wave with the output of the reference voltage generating circuit to generate a discharge tube light emission control signal in a phase shift range with respect to said vocal cord vibration. The discharge tube light emission control signal may be generated in a desired phase of said vocal cord vibration every period of said vocal cord vibration or at a repetition rate of multiple periods of the vocal cord vibration.

REFERENCES:
patent: 3026449 (1962-03-01), Rappaport
patent: 3203254 (1965-08-01), Thomas et al.
patent: 3247710 (1966-04-01), Thomas et al.

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