IMPROVEMENTS IN OR RELATING TO RADIATION SENSITIVE INDICATING OR CONTROLLING DEVICES
An indicating or controlling device made up of a radiation detector; comprising a radiation-sensitive device such as a Geiger-Mueller tube, an ionization chamber, or a scintillation counter for providing impulses according to the count of radiation falling from a radioactive source, is described. The detector also contains a transistor blocking oscillator type circuit adapted to be triggered by the impulses, an electromagnetic relay in the output of the oscillator adapted on energization from the current flow to energize an indicator or control circuit, and a resistance connected in series with the relay in such manner that upon the closing of the contacts of the relay, the resistance is bypassed. The value of the resistance is 10% of the resistance of the coil of the relay. (N.W.R.)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-15-020924
- OSTI ID:
- 4089300
- Report Number(s):
- GB 868696
- Country of Publication:
- United Kingdom
- Language:
- English
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