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Ultrasonic-based touch sensing device and cooking equipment and household appliances including the same

A technology of touch sensing and ultrasonic waves, which is applied in household heating, household appliances, household stoves/stoves, etc., can solve the problems of reduced thermal efficiency and high heat loss, and achieve the effect of improving user convenience

Active Publication Date: 2020-03-10
LG ELECTRONICS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In gas cooktops, the thermal efficiency is reduced due to the high heat loss caused by the flame

Method used

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  • Ultrasonic-based touch sensing device and cooking equipment and household appliances including the same
  • Ultrasonic-based touch sensing device and cooking equipment and household appliances including the same
  • Ultrasonic-based touch sensing device and cooking equipment and household appliances including the same

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Embodiment Construction

[0028] Exemplary embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0029] The words "module" and "unit" appended to the names of components used herein are for assisting understanding of the components, and thus should not be construed as having specific meanings or roles. Therefore, the words "module" and "unit" may be used interchangeably.

[0030] figure 1 is a diagram showing an ultrasonic wave-based touch sensing device according to an embodiment of the present invention, figure 2 is shown figure 1 Side view of an ultrasonic-based touch-sensing device.

[0031] With reference to the accompanying drawings, figure 1 with figure 2 The ultrasonic-based touch sensing device in the present invention may include: a first board 110; a second board 120 spaced apart from the first board 110; a piezoelectric element 130 arranged between the first and second boards 120 for outputting an electric signal corres...

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PUM

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Abstract

An ultrasonic-based touch sensing device, and cooking equipment and household appliances including the touch sensing device. Each of the ultrasonic-based touch sensing device, and cooking equipment and household appliances including the touch sensing device includes: a first board; a second board spaced apart from the first board; a piezoelectric element arranged on the second board; between the first and second boards, for outputting electrical signals corresponding to the touch input on the first board; an ultrasonic output unit, for outputting ultrasonic waves based on electrical signals from piezoelectric elements; a plurality of microphones, for receiving ultrasonic waves; and a processor for calculating the location of the touch input on the first panel based on the respective sound signals collected by the plurality of microphones. Therefore, user convenience can be improved.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to Korean Patent Application No. 10-2016-0041761 filed at the Korean Intellectual Property Office on April 5, 2016, the disclosure of which is incorporated herein by reference. technical field [0003] The present invention relates to an ultrasonic-based touch sensing device and cooking equipment and household appliances including the touch sensing device, in particular, to an ultrasonic-based touch sensing device capable of improving user convenience and cooking appliances including the touch sensing device Equipment and household appliances. Background technique [0004] Various products such as microwave ovens using microwaves, ovens using heaters, and ranges are widely used as cooking equipment. [0005] The microwave oven radiates microwaves generated by a magnetron in a cooking chamber included and vibrates water molecules of food put in the cooking chamber to heat the food. An ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/042G06F3/043F24C7/08F24C7/00
CPCF24C7/00F24C7/086G05B19/0423G05B2219/2643G06F3/043F24C7/082G06F3/0416G06F3/0436G06F2203/04105G06F3/0418
Inventor 朴润植宋智铉金洛榕
Owner LG ELECTRONICS INC