Title:
非接触式キーおよびその制御方法
Document Type and Number:
Japanese Patent JP7195340
Kind Code:
B2
Abstract:
Disclosed herein are a contactless key and a control method therefor. The contactless key comprises at least one key unit; the at least one key unit comprises a sensing area expansion module, a distance detection module, and a signal processing module; the distance detection module is connected to the signal processing module; the sensing area expansion module is configured to adjust the sensing area of the distance detection module; the distance detection module is configured to detect the distance from an object located within the sensing area to the contactless key, generate a distance signal, and transmit the distance signal to the signal processing module; and the signal processing module is configured to generate a key control signal according to the distance signal.
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Inventors:
Tatsuaki Huang
▲張▼ 永生
Nakachomine
郭 ▲偉▼文
▲劉▼ ▲賢▼▲チョウ▼
▲謝▼ ▲偉▼杰
▲張▼ 永生
Nakachomine
郭 ▲偉▼文
▲劉▼ ▲賢▼▲チョウ▼
▲謝▼ ▲偉▼杰
Application Number:
JP2020563701A
Publication Date:
December 23, 2022
Filing Date:
August 25, 2020
Export Citation:
Assignee:
HITACHI BUILDING TECHNOLOGY (GUANGZHOU) CO., LTD.
International Classes:
H01H35/00
Domestic Patent References:
| JP2002088872A | ||||
| JP2013206836A | ||||
| JP2002317482A | ||||
| JP2020009682A |
Attorney, Agent or Firm:
Patent Attorney Corporation R&C