Title:
OSCILLATION MONITOR
Document Type and Number:
Japanese Patent JPS52123280
Kind Code:
A
Abstract:
PURPOSE: To monitor relatively inexpensively and specifically the oscillating conditions of a rotary machine by using the normalized means frequency and the effective level of the oscillations and by providing an operation circuit for operating the same, an indicating device and a warning device.
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Inventors:
YAMADA IZUMI
Application Number:
JP3935376A
Publication Date:
October 17, 1977
Filing Date:
April 09, 1976
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G08B23/00; G01H1/00; G01H3/00; G01H17/00; G01M13/00; G01N29/12; G08B21/00; G08B25/00; (IPC1-7): G01H1/00; G01H3/00; G01M13/00; G08B21/00; G10L1/02
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