Title:
OSCILLATION FREQUENCY SIMPLE MEASURING APPARATUS
Document Type and Number:
Japanese Patent JP3765003
Kind Code:
B
Abstract:
PROBLEM TO BE SOLVED: To provide a simply-structured inexpensive oscillation frequency measuring apparatus allowing handy measurement of a natural frequency of a building.
SOLUTION: In this oscillation frequency measuring apparatus, a plurality of needles 2, 2, etc., oscillating according to the natural frequency of the building are arranged on a mounting base 1 installed in the building. In the needles 2, 2, etc., the length from their tips to a needle mounting face 3 of the mounting base 1 are varied one another, and an indication 10 is provided in the mounting base 1 so that an oscillation frequency is read from the oscillation state of the needles 2, 2, etc.
Inventors:
Kotani, Muneo
Application Number:
JP2000000303093
Publication Date:
February 03, 2006
Filing Date:
October 03, 2000
Export Citation:
Assignee:
SEKISUI HOUSE LTD
International Classes:
G01H1/00; G01H11/00; G01M7/02; G01H1/00; G01H11/00; G01M7/00; (IPC1-7): G01H1/00; G01M7/02