专利检索 ap:("Measurement Specialties, Inc.") AND inv:"PARK, Kyung, Tae" 第 1 页

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发明公开
HANDHELD DEVICE HAVING ULTRASONIC TRANSDUCER FOR AXIAL TRANSMISSION OF ACOUSTIC SIGNALS 审中-公开
标题翻译：手形装置与声音信号的超声AXIALE传输HIKING

公开(公告)号：EP1529315A2

公开(公告)日：2005-05-11

申请号：EP03765907.5

申请日：2003-07-22

申请人： Measurement Specialties, Inc.

发明人： TODA, Minoru , THOMPSON, Mitchell, L. , PARK, Kyung, Tae

IPC分类号： H01L41/04

CPC分类号： G06F3/03545 , A61B8/4209 , B06B1/0655 , B06B1/0688 , Y10S310/80

摘要： A handheld stylus (200) having an elongated housing (210), a writing and drawing implement (230) disposed within the housing and including a tip (242) extending through an opening at an end of the housing where ultrasonic waves radiate therefrom and are used for determining a position of the stylus; and at least one ultrasonic transducer (110) disposed within the housing. The transducer (110) may be a cylindrical piezoelectric transducer having a holder and a cylindrical piezoelectric film spanning between at least two spaced apart cylindrical surfaces of the holder, or a flat transducer having a diaphragm, and a piezoelectric material disposed on a surface of the diaphragm.