Title:
BRAIN FUNCTION ANALYSER
Document Type and Number:
Japanese Patent JP3239553
Kind Code:
B2
Abstract:
PURPOSE: To analyse the brain function by performing the imaging of the blood condition in the brain.
CONSTITUTION: Multiple sets of LED 4 and photodiode 6 are attached to the helmet covering the head. LEDs 4 are lit up by a lighting circuit 8 and output signals from photoreceptors 6 are converted into digital form in a A/D conversion circuit 10. The output from the photoreceptors after A/D conversion is compared with the set initial values in a display controller 12 to obtain the difference in value which is then put out to a display device 14 in accordance with the set display position and range. The display device 14 displays on the display screen variation in the output of the photoreceptors in response to the output from the display controller 12.
Inventors:
Hideo Eda
Application Number:
JP23359093A
Publication Date:
December 17, 2001
Filing Date:
September 20, 1993
Export Citation:
Assignee:
SHIMADZU CORPORATION
International Classes:
A61B5/026; A61B10/00; (IPC1-7): A61B5/026; A61B10/00
Domestic Patent References:
| JP6446439A | ||||
| JP5501374A |
Attorney, Agent or Firm:
Yoshiaki Nishioka