ELECTRICAL CAPACITANCE SENSOR
First Claim
1. An electrical capacitance sensor comprising:
- a board having a one main surface and an other main surface;
a sensor electrode formed on the one main surface of the board and detecting an electrical capacitance between the sensor electrode and an object;
a first guard electrode formed on the one main surface of the board and in a vicinity of the sensor electrode; and
a second guard electrode formed on the other main surface of the board,wherein a first terminal connecting portion for the first guard electrode and a second terminal connecting portion for the second guard electrode are provided at positions opposing each other.
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed is an electrical capacitance sensor comprising: a board 10 having a one main surface and an other main surface; a sensor electrode 26 formed on the one main surface of the board 10 and detecting an electrical capacitance between the sensor electrode 26 and an object; a first guard electrode 25 formed on the one main surface of the board 10 and in a vicinity of the sensor electrode 26; and a second guard electrode 27 formed on the other main surface of the board 10, wherein a first terminal connecting portion 21 for the first guard electrode 25 and a second terminal connecting portion 23 for the second guard electrode 27 are provided at positions opposing each other.
13 Citations
6 Claims
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1. An electrical capacitance sensor comprising:
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a board having a one main surface and an other main surface; a sensor electrode formed on the one main surface of the board and detecting an electrical capacitance between the sensor electrode and an object; a first guard electrode formed on the one main surface of the board and in a vicinity of the sensor electrode; and a second guard electrode formed on the other main surface of the board, wherein a first terminal connecting portion for the first guard electrode and a second terminal connecting portion for the second guard electrode are provided at positions opposing each other. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification