Title:
GAS DENSITY MONITORING DEVICE
Document Type and Number:
Japanese Patent JPH1194669
Kind Code:
A
Abstract:
To detect the occurrence of offset in a signal processing means.
This device detects gas pressure in a container 5 as an electric signal by means of a pressure sensor 6, processes the electric signal to obtain a normal output of gas pressure using a signal processing means 12, and processes the electric signal of inverted polarity into an inverted output using the signal processing means 12. Then, an offset detection means 14 is used to calculate the offset of the signal processing means 12 from the normal output and the inverted output.
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Inventors:
IKURA NOBUKI
TAMURA YOSHIYUKI
TAMURA YOSHIYUKI
Application Number:
JP25548597A
Publication Date:
April 09, 1999
Filing Date:
September 19, 1997
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
G01L1/14; G01L11/00; G01M3/04; H02B13/025; (IPC1-7): G01L11/00; G01L1/14; G01M3/04; H02B13/025
Attorney, Agent or Firm:
Masuo Oiwa