发明名称 |
Automatic variable filters for use in scanned spectrometers and the like |
摘要 |
A spectrometer is scanned across a desired frequency range. A selective filter is automatically varied to alter its characteristics according to the spectrometer's scanning rate by a single control voltage; to assure that the filter's characteristics are optimum for both fast and slow scanning rates.
|
申请公布号 |
US3930727(A) |
申请公布日期 |
1976.01.06 |
申请号 |
US19740435361 |
申请日期 |
1974.01.21 |
申请人 |
PERKIN-ELMER CORPORATION |
发明人 |
VERGATO, JOSEPH A. |
分类号 |
G01J3/28;H03H19/00;(IPC1-7):G01J3/42 |
主分类号 |
G01J3/28 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|