US4807291A | 合法醫療器材資訊網
RICHARDWOLFAGERMANCORPGmbH:RICHARDWOLFBERLINACORPOFGERMANYGmbH:WolfRichardGmbH...thevoicesignalfortriggeringtheflashtubeofalaryngostroboscopesynchronouslywiththefundamentalfrequency.
BACKGROUND OF THE INVENTION1. Field of the Invention
The present invention relates to flash stroboscopes for use in examining vocal chord functions, and in particular to a frequency identification circuit for such a stroboscope.
2. Related Application
The present application is related to the co-pending application entitled "Video Endoscope" filed Mar. 4, 1987 and assigned Ser. No. 021,809, for which Felix Ams, Reiner Hoffman and Peter Jaggy are named as inventors.
3. Description of the Prior Art
Stroboscopes are utilized in the medical field for diagnosing vocal chord defects most advantageously in combination with a laryngoscope. This permits the physician to observe the larynx illuminated with a standard light and the vocal chords in their natural appearance and behaviour, and also provides the possibility, by a frequency synchronized illuminatio...
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US4807291A | 合法醫療器材資訊網
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【理查沃夫喉頭閃頻內視鏡】許可證字號:衛署醫器輸壹字第002273號
器材品名:理查沃夫喉頭閃頻內視鏡許可證字號:衛署醫器輸壹字第002273號註銷狀態:已註銷註銷日期:2013/01/18註銷理由:許可證...