Phototimers, User's Point Of View

Pei-Jan Paul Lin

doi:10.1117/12.954594

25 March 1976 Phototimers, User's Point Of View

Pei-Jan Paul Lin

Author Affiliations +

Proceedings Volume 0070, Application of Optical Instrumentation in Medicine IV; (1976) https://doi.org/10.1117/12.954594
Event: Application of Optical Instrumentation in Medicine, IV, 1975, Atlanta, United States

Abstract

Three different types of phototimer systems are compared, utilizing a simple method for performance evaluation. A phototimer system using an ionization chamber as a radiation sensor located between the grid and the film cassette is found to be the most reliable phototimer system and is therefore recommended for phototiming techniques. The minimum reaction time of the phototimer system and the backup timer are also discussed briefly.

Citation Download Citation

Pei-Jan Paul Lin "Phototimers, User's Point Of View", Proc. SPIE 0070, Application of Optical Instrumentation in Medicine IV, (25 March 1976); https://doi.org/10.1117/12.954594

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