Title:
MEDICAL DIAGNOSTIC SYSTEM
Document Type and Number:
Japanese Patent JP3211682
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To reduce the number of times of the unrequired circulation of a transmission right, to lower communication loads and to sufficiently perform equipment control inside respective units by switching the possession time of the transmission right circulated among the respective units corresponding to the operating state of a system.
SOLUTION: An X-ray radiographing system is divided into an inspection base unit 11, an X-ray controller unit 21, an X-ray photographing system unit 31 and a console unit 41 and the controllers 12, 22, 32 and 42 of the respective units are connected to a ring-like communication channel 51 and made to perform communication with each other. The transmission right is circulated among the respective units, and when the controller of a certain unit receives the transmission right, after data and instructions to be transmitted are transmitted, the transmission right is sent out to the next unit. Then, in the case that the data or the like to be transmitted are not present, when it is judged that the system stands still, a timer is started and the transmission right is sent out to the next unit when time is over.
Inventors:
Hirotaka Isono
Mikihiko Kato
Katsuhiro Masuo
Mikihiko Kato
Katsuhiro Masuo
Application Number:
JP28030396A
Publication Date:
September 25, 2001
Filing Date:
September 30, 1996
Export Citation:
Assignee:
SHIMADZU CORPORATION
International Classes:
A61B6/00; G06F13/00; G06F15/16; G06F15/177; A61B5/00; G06F19/00; G06Q50/22; H04L12/28; H04Q9/00; G06F15/173; (IPC1-7): A61B6/00; A61B5/00; G06F19/00; H04L12/28
Domestic Patent References:
| JP8117216A | ||||
| JP6334673A |
Attorney, Agent or Firm:
Yusuke Sato