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Title: Method and apparatus for reducing radiation exposure through the use of infrared data transmission

Abstract

A method and apparatus is described for transmitting information, for exae, dosimetry data from a hazardous environment such as a radioactive area to a remote relatively safe location. A radiation detector senses the radiation and generates an electrical signal which is fed as a binary coded decimal signal to an infrared transmitter having a microprocessor. The microprocessor formats the detected information into digits of data and modulates a 40 kHz oscillator, the output of which is fed to and intensity modulates one or more infrared emitting diodes. The infrared signal from the diodes is transmitted to a portable hand-held infrared receiver remote from the hazardous environment. The receiver includes an infrared sensitive diode which decodes the data and generates an electrical signal which is coupled to a microcomputer. The microcomputer synchronizes itself to the transmitter, reads the digits of data as they are received, sums the digits and compares the sum with a checksum signal generated and transmitted from the transmitter. If a match of the checksum signals exists, the received data is displayed, otherwise it is described and the receiver conditions itself for the next transmission of data.

Inventors:
 [1];  [2]
  1. (Schaghticoke, NY)
  2. (Schenectady, NY)
Publication Date:
Research Org.:
Knolls Atomic Power Laboratory (KAPL), Niskayuna, NY
OSTI Identifier:
867098
Patent Number(s):
US 4864652
Assignee:
United States of America as represented by Department of Energy (Washington, DC) KAPL
DOE Contract Number:  
AC12-76SN00052
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
method; apparatus; reducing; radiation; exposure; infrared; data; transmission; described; transmitting; information; exae; dosimetry; hazardous; environment; radioactive; remote; relatively; safe; location; detector; senses; generates; electrical; signal; fed; binary; coded; decimal; transmitter; microprocessor; formats; detected; digits; modulates; 40; khz; oscillator; output; intensity; emitting; diodes; transmitted; portable; hand-held; receiver; sensitive; diode; decodes; coupled; microcomputer; synchronizes; reads; received; sums; compares; checksum; generated; match; signals; exists; displayed; otherwise; conditions; emitting diodes; emitting diode; data transmission; electrical signal; radiation detector; signal generated; radiation exposure; received data; binary coded; infrared emitting; reducing radiation; coded decimal; hazardous environment; /359/

Citation Formats

Austin, Frank S., and Hance, Albert B. Method and apparatus for reducing radiation exposure through the use of infrared data transmission. United States: N. p., 1989. Web.
Austin, Frank S., & Hance, Albert B. Method and apparatus for reducing radiation exposure through the use of infrared data transmission. United States.
Austin, Frank S., and Hance, Albert B. Sun . "Method and apparatus for reducing radiation exposure through the use of infrared data transmission". United States. https://www.osti.gov/servlets/purl/867098.
@article{osti_867098,
title = {Method and apparatus for reducing radiation exposure through the use of infrared data transmission},
author = {Austin, Frank S. and Hance, Albert B.},
abstractNote = {A method and apparatus is described for transmitting information, for exae, dosimetry data from a hazardous environment such as a radioactive area to a remote relatively safe location. A radiation detector senses the radiation and generates an electrical signal which is fed as a binary coded decimal signal to an infrared transmitter having a microprocessor. The microprocessor formats the detected information into digits of data and modulates a 40 kHz oscillator, the output of which is fed to and intensity modulates one or more infrared emitting diodes. The infrared signal from the diodes is transmitted to a portable hand-held infrared receiver remote from the hazardous environment. The receiver includes an infrared sensitive diode which decodes the data and generates an electrical signal which is coupled to a microcomputer. The microcomputer synchronizes itself to the transmitter, reads the digits of data as they are received, sums the digits and compares the sum with a checksum signal generated and transmitted from the transmitter. If a match of the checksum signals exists, the received data is displayed, otherwise it is described and the receiver conditions itself for the next transmission of data.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Sun Jan 01 00:00:00 EST 1989},
month = {Sun Jan 01 00:00:00 EST 1989}
}

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