-
11.Ultrasonic wave transmission device utilizing semiconductor piezoelectric material to provide selectable velocity of transmission 失效
Title translation: 使用半导体压电材料的超声波传输装置提供可选择的传输速度公开(公告)号:US3200354A
公开(公告)日:1965-08-10
申请号:US15308861
申请日:1961-11-17
Applicant: BELL TELEPHONE LABOR INC
Inventor: WHITE DONALD L
CPC classification number: H03H11/265 , H01L29/00 , H03H9/30 , H03H9/38
-
12.Optical modulator employing reflection from piezolelectric-semiconductive material 失效
Title translation: 采用压电电半导体材料反射的光学调制器公开(公告)号:US3183359A
公开(公告)日:1965-05-11
申请号:US16111461
申请日:1961-12-21
Applicant: BELL TELEPHONE LABOR INC
Inventor: WHITE DONALD L
IPC: G02F1/19
CPC classification number: G02F1/19
-
公开(公告)号:US3129346A
公开(公告)日:1964-04-14
申请号:US16156561
申请日:1961-12-22
Applicant: BELL TELEPHONE LABOR INC
Inventor: WHITE DONALD L
-
-