专利名称：CALIBRATION SYSTEM FOR
PHOTODETECTING INSTRUMENTS
发明人：SAMUEL S. BRODY,WILLIAM B. HOLLAND申请号：US3645627D申请日：19690414公开号：US3645627A公开日：19720229
摘要：A photometric emission detector is provided with an integral calibration sourceincluding a source of light and apparatus for controlling the passage of light and thequantity of light passed along the optical path via which induced radiant energy emissionsare detected when the detector is in use.
申请人：MELPAR INC.
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