Title:
UNDERWATER INPUT DEVICE, CONTROL CIRCUIT THEREFOR, UNDERWATER LIGHT AND APPARATUS BOTH USING SAME, AND UNDERWATER TOUCH INPUT DETECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2021/235294
Kind Code:
A1
Abstract:
A control circuit 200 controls an input device 100 which is used underwater. A sense pin 202 is connected to a sensor electrode 102 which is disposed to be touchable by a user wearing a wearing item 4. A capacitive sensor 210 is connected to the sense pin 202 and detects a capacitance formed by the sensor electrode 102. A processing unit 220 determines the presence of the user's touch input when the capacitance Cs detected by the capacitive sensor 210 is lower than a predetermined threshold value.
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Inventors:
USUI HIROTOSHI (JP)
Application Number:
PCT/JP2021/018088
Publication Date:
November 25, 2021
Filing Date:
May 12, 2021
Export Citation:
Assignee:
ROHM CO LTD (JP)
International Classes:
H01H36/00
Foreign References:
| JP2009230852A | 2009-10-08 | |||
| JP2012084453A | 2012-04-26 | |||
| JP2000188537A | 2000-07-04 |
Attorney, Agent or Firm:
MORISHITA Sakaki (JP)
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