Larynx stroboscope for photography

Details Larynx stroboscope for photography Larynx stroboscope for photography

1978-11-14

1980-11-11

Michell, Robert W.

Surgery

Truss

Pad

354 62, A61B 104, A61B 106

Patent

active

042326850

ABSTRACT:
A larynx stroboscope device capable of photography following the anode or cathode terminal of a flash discharge tube is connected to a photographing charge-discharge capacitor by the release operation of a camera. A trigger pulse is applied to the trigger terminal of the flash discharge tube in synchronization with a vocal cord vibration signal so that the flash discharge tube emits light while the shutter of said camera is open. Upon completion of a photographing operation, all the functions are automatically restored to the states obtained before the release operation. Alternatively, a charge-discharge system may be used. By the release operation of a camera supply of charging current to said capacitor is suspended. Thereafter a trigger pulse is applied to the trigger terminal of said flash discharge tube in synchronization with a vocal cord vibration frequency so that said flash discharge tube emits light while the shutter of said camera is open.

REFERENCES:
patent: 3024783 (1979-09-01), Timcke
patent: 3318216 (1967-05-01), Hajjar et al.
patent: 3837332 (1974-09-01), Meyers
patent: 4086583 (1978-04-01), Takahashi
patent: 4104625 (1978-08-01), Bristow et al.
patent: 4153356 (1979-05-01), Hama

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