Title:
TOUCH SENSE PRESENTATION DEVICE
Document Type and Number:
Japanese Patent JP2018187596
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a touch sense presentation device in which convenience of a switch operation can be improved.SOLUTION: A touch sense presentation device 1 has an operation part 2 for which an input operation is performed by a pressing operation, and a piezoelectric element 30 which is distorted by an external force of the input operation and generates electric charges, and is generally configured by comprising: a piezoelectric actuator 3 which gives vibration to the operation part 2 by discharge of electric charges of the piezoelectric element 30 thereby performing touch sense presentation; a voltage detection circuit 5 which detects a voltage according to distortion of the piezoelectric element 30 and performs a guiding operation; and a changeover circuit 6 which can perform changeover between a conduction state in which a front face 30a and a rear face 30b of the piezoelectric element 30 are conducted and a non-conduction state in which both of said faces are not conducted by the guiding operation of the voltage detection circuit 5.SELECTED DRAWING: Figure 1
Inventors:
HYODO HITONORI
Application Number:
JP2017094762A
Publication Date:
November 29, 2018
Filing Date:
May 11, 2017
Export Citation:
Assignee:
TOKAI RIKA CO LTD
International Classes:
B06B1/06; G06F3/01; H01L41/04; H01L41/09; H01L41/113
Attorney, Agent or Firm:
Hirata International Patent Office