Scintillation tube and ionization detector dynamic calibration m

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

363 59, 361 18, 250374, G01J 144

Patent

active

052668835

ABSTRACT:
An ionization detector dynamic calibration monitor that regulates the high voltage power supply to the detector. In a preferred embodiment, a voltage boost current source provides an input voltage for a power out voltage regulator and for a +14.75 volt board regulator. The board regulator provides a voltage reference for various circuitry, and provides a voltage reference for coarse calibration and display calibration adjustment circuitry. The power voltage regulator provides the high voltage power supply drive signal. An error amplifier drives an integrator, which, in turn, drives a bargraph display. An optically-isolated output circuit drives an external alarm or relay. In an alternative embodiment, the pulse width of a detected circuit is linearized and converted to an analog control signal. The analog control signal drives conventional power supply control circuitry.

REFERENCES:
patent: 3795802 (1974-03-01), Powell
patent: 3809998 (1974-05-01), Mansson
patent: 4189017 (1980-02-01), Strobel et al.
patent: 4269201 (1981-05-01), Powell et al.
patent: 4538066 (1985-08-01), Carle et al.
patent: 4918314 (1990-04-01), Sonne
patent: 5023456 (1991-06-01), Claussen
patent: 5151648 (1992-09-01), Sharpe
Nuclear Instruments & Methods In Physics Research, vol. 242, No. 2, Jan. 1986, Amsterdam HL, pp. 306-314, M. S. Zucker, "An Improved method for the stabilization of NaI-photomultiplier gamma detectors against thermal and other drift".
Nuclear Instruments & Methods In Physics Research, vol. 202, No. 3, Nov. 1982, Amsterdam NL, pp. 439-443, S. Centro et al., "Datep: 120 channel pm high-voltage regulator".
"Op Amp Extends Power-Supply Regulation", EDN Magazine, Oct. 31, 1984, p. 210.
"Radiation Safety Principles and Procedures", May 18-20, 1987, Nuclear Engineering Department, North Carolina State University, p. 148.
"Basic Radiation Protection Technology", Daniel A. Gollnick, Professor of Physics, California State University, Los Angeles, Pacific Radiation, Corportion, Stonehill Drive, Altadena, CA 9001, Ninth Printing, First Edition 1986, pp. 148-150.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Scintillation tube and ionization detector dynamic calibration m does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Scintillation tube and ionization detector dynamic calibration m, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Scintillation tube and ionization detector dynamic calibration m will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2099457

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.