Converter apparatus

Details Converter apparatus Converter apparatus

Filed on

1991-10-18

Date issued

1993-06-01

Examiner

Budd, Mark O.

Patent Class

Electrical generator or motor structure

SubClass

Non-dynamoelectric

SubSubClass

Piezoelectric elements and devices

Other Related Categories

310321, 310345, 310340, 310339, 310319, H01L 4108

Type

Patent

Status

active

Patent number

052163172

Description

ABSTRACT:
An apparatus for converting a mechanical force into an electrical signal. The apparatus includes a piezoelectric disk crystal (1), connecting electrode layers (2, 3) disposed on opposite sides of the disk-shaped crystal (1), the electrode layer (3) on the one side being divided into a transmitter electrode layer (6) and a ground or o-electrode layer (5), and the electrode layer (2) on the opposite side being divided into a receiver electrode layer (7) and a ground or o-electrode layer (8).

REFERENCES:
patent: 2155035 (1939-04-01), Bieling
patent: 2323610 (1943-07-01), Koch
patent: 3909641 (1975-09-01), Ohshima et al.
patent: 4193010 (1980-03-01), Kompanek
patent: 4451710 (1984-05-01), Taylor et al.
patent: 4739211 (1988-04-01), Strachan
patent: 4857887 (1989-08-01), Iten
patent: 4969197 (1990-11-01), Takaya

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