Published November 19, 1974 | Version v1
Patent Metadata-only

Scintillation camera brightness calibration apparatus

Creators

Description

Circuitry is described for calibrating the brightness of a cathode ray tube display and recording apparatus comprising: 1) intensity control means for adjusting the intensity of the cathode ray tube beam; 2) light sensitive means disposed to receive light emitted from the cathode ray tube and generating a first electrical signal having a magnitude dependent upon the intensity of the emitted light; 3) reference signal generating means for generating a second electrical signal of predetermined magnitude; and 4) electrical signal comparison means coupled to the light sensitive means and the reference signal generating means for comparing the magnitude of the first and second electrical signals. (author)

Additional details

Publishing Information

Imprint Pagination
23 p.
IPC:
Int. Cl. G01D 18/00; Nat. Cl. 56.64; 00.8.
IPC
Int. Cl. G01D 18/00; Nat. Cl. 56.64; 00.8.
Patent number
AU patent document 74/75505/A/

INIS

Country of Publication
Australia
Country of Input or Organization
Australia
INIS RN
8284288
Subject category
S46: INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
BRIGHTNESS; CALIBRATION; CATHODE RAY TUBES; ELECTRONIC CIRCUITS; GAMMA CAMERAS; SCINTILLATION COUNTERS; SPECIFICATIONS
Descriptors DEC
CAMERAS; ELECTRON TUBES; MEASURING INSTRUMENTS; OPTICAL PROPERTIES; PHYSICAL PROPERTIES; RADIATION DETECTORS

Optional Information

Notes
Open to public inspection 23 Nov 1973, priority USA 23 Nov 1973, copies available from the Commissioner of Patents, Canberra.