The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 19, 2000

Filed:

Oct. 02, 1998
Applicant:
Inventors:

Isao Ochiai, Otsuki, JP;

Kimio Kanda, Hitachinaka, JP;

Takehiro Ohkawa, Kunitachi, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
250397 ; 378 90 ;
Abstract

A parallel radiation detector includes a plurality of radiation detecting elements, a plurality of preamplifiers for converting signals from the radiation detecting elements into voltage signals, a signal processing device for processing the voltage signals, a main control device for controlling the signal processing device to analyze the voltage signals, a display device for displaying analyzed results from the signal processing device, a storage device for storing signals, a plurality of a reset circuits corresponding to the plurality of preamplifiers, each reset circuit for generating a reset signal for returning the corresponding one of the preamplifiers to an initial state thereof when the voltage signal from the corresponding one of the preamplifiers reaches a predetermined voltage, and an inhibitor circuit for generating an inhibit signal for inhibiting the signal processing device from receiving and processing the voltage signals from the preamplifiers temporarily, based on the reset signal.


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