Measuring and testing – Specimen stress or strain – or testing by stress or strain... – Specified electrical sensor or system
Patent
1989-04-13
1990-07-10
Myracle, Jerry W.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
Specified electrical sensor or system
7386264, G01L 100
Patent
active
049399306
ABSTRACT:
The present invention is an electric capacitance strain gauge provided with a pair of installing frames connected to each other, electrical insulating members with a stepped shape fixed onto the said pair of installing frames by insertion and two pairs of electrode plates with a stepped shape fixed onto the said electrical insulating members by insertion. As the electrical insulating members and the installing frames are positioned at a stepped part of the stepped shape when the electrical insulating members are fixed on the installing frames by insertion, and positioning of the electrode plates and the electrical insulating members is carried out at a stepped part of the electrode plates when the electrode plates are installed on the electrical insulating members by insertion, the relative positions of each member can be accurately determined. As the relative positions of each member of the electric capacitance strain gauge is accurately determined, the possibility that characteristics of the electric capacitance strain gauge are affected by each electric capacitance strain gauge is reduced.
REFERENCES:
patent: 3206970 (1965-09-01), Dally et al.
patent: 4649759 (1987-03-01), Lee
Fukuda Yoshio
Honda Ken-ichi
Ishizuki Toshio
Hitachi , Ltd.
Hitachi Naka Electronics Co., Ltd.
Myracle Jerry W.
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