Invention Grant
- Patent Title: Obscuration detector
- Patent Title (中): 遮光检测器
-
Application No.: US10041724Application Date: 2002-01-08
-
Publication No.: US06822216B2Publication Date: 2004-11-23
- Inventor: Scott Lang , Gregory A. Wischstadt
- Applicant: Scott Lang , Gregory A. Wischstadt
- Main IPC: H01J4014
- IPC: H01J4014

Abstract:
An automatically testable obscuration detector incorporates one of an electrically controllable filter or a mechanically selected filter. Filtered outputs can be compared to expected outputs by control circuitry to automatically assess detector operation.
Public/Granted literature
- US20030127585A1 Obscuration detector Public/Granted day:2003-07-10
Information query