| 发明名称 |
Ring laser gyroscope with hollow cathode having frusto-ellipsoidal surface |
| 摘要 |
A cathode (12) for a glow discharge device and comprising a hollow body provided with an opening and having an internal working surface (18) which is substantially frusto-ellipsoidal. The cathode has particular application to a laser gyroscope.
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| 申请公布号 |
US4969157(A) |
申请公布日期 |
1990.11.06 |
| 申请号 |
US19820339532 |
申请日期 |
1982.01.15 |
| 申请人 |
BRITISH AEROSPACE PUBLIC LIMITED COMPANY |
发明人 |
MALVERN, ALAN R. |
| 分类号 |
G01C19/64;G01C19/66;H01S3/038;H01S3/083 |
主分类号 |
G01C19/64 |
| 代理机构 |
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代理人 |
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