| 发明名称 |
Mechanical vibrator for light beam chopper |
| 摘要 |
A tuning fork type vibrator for an optical chopper in a photosensor, which vibrator oscillates at a single frequency. The vibrator comprises vibrating plates so disposed as to face each other with a predetermined spacing therebetween, and a stem portion obtained by bonding together bent portions located at one end of each of said vibrating plates.
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| 申请公布号 |
US4413179(A) |
申请公布日期 |
1983.11.01 |
| 申请号 |
US19810237790 |
申请日期 |
1981.02.24 |
| 申请人 |
ANRITSU ELECTRIC COMPANY LIMITED;NIPPON TELEGRAPH & TELEPHONE PUBLIC CORPORATION |
发明人 |
MATSUOKA, SHOJI;KOBAYASHI, IKUTARO;MINOWA, JUNICHIRO |
| 分类号 |
G01J1/04;B06B1/06;G01J1/36;G02B26/04;(IPC1-7):G01D5/36 |
主分类号 |
G01J1/04 |
| 代理机构 |
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代理人 |
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