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Patent Searching and Data


Title:
ELECTRONIC DEVICE, AND ACCESSORY
Document Type and Number:
WIPO Patent Application WO/2021/206006
Kind Code:
A1
Abstract:
[Problem] To reduce the effect of noise from a clock signal on a signal of an adjacent contact while suppressing an increase in the number of contacts. [Solution] An electronic device (100) is configured so that an accessory (200) can be detachably attachment thereto. The electronic device has a plurality of contacts that are arranged in a line and are electrically connected to the accessory. The plurality of contacts include: an attachment detection contact (TC06) that is used to detect the attachment of the accessory to the electronic device; and a first clock contact (TC07) that is used, in communication between the electronic device and the accessory, to transmit a first clock signal. The potential of the attachment detection contact changes from a predetermined potential to a ground potential after the accessory is attached to the electronic device. The attachment detection contact is disposed next to the first clock contact.

Inventors:
IKEDA KOUJI (JP)
TOHYAMA KEI (JP)
SAKAMOTO HIROMICHI (JP)
SHU TAKAYUKI (JP)
HAYASAKI HIROMI (JP)
HATTORI YUHEI (JP)
ISHII KENJI (JP)
OKANO YOSHINOBU (JP)
Application Number:
PCT/JP2021/014282
Publication Date:
October 14, 2021
Filing Date:
April 02, 2021
Export Citation:
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Assignee:
CANON KK (JP)
International Classes:
G03B15/03; G03B15/05; G03B17/02; G03B17/14; G03B17/56; H04N5/225
Domestic Patent References:
WO2017073081A12017-05-04
WO2015068492A12015-05-14
Foreign References:
JP2015099396A2015-05-28
JP2018205738A2018-12-27
JP2019078931A2019-05-23
Attorney, Agent or Firm:
FUJIMOTO Ryosuke (JP)
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