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US Patent 7655874 Input device and electronics device

Patent 7655874 was granted and assigned to Fujitsu on February, 2010 by the United States Patent and Trademark Office.

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Is a

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Patent attributes

Current Assignee

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Shinichiro Akieda0

Keita Harada0

Nobuo Yatsu0

Satoshi Sakurai0

Takuya Uchiyama0

Junichi Akama0

Date of Patent

February 2, 2010

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Patent Application Number

115454790

Date Filed

October 11, 2006

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Patent Citations Received

US Patent 12105480 Crown for an electronic watch

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US Patent 11886149 Tactile switch for an electronic device

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US Patent 11906937 Crown for an electronic watch

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US Patent 11988995 Compressible seal for rotatable and translatable input mechanisms

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US Patent 12066795 Tri-axis force sensor

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US Patent 12086331 Capacitive gap sensor ring for an input device

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US Patent 12092996 Laser-based rotation sensor for a crown of an electronic watch

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Patent Primary Examiner

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Patent abstract

An input device includes an operation portion, a holding portion, a detection portion and at least a switch. The holding portion holds the operation portion so that the operation portion is rotatable around a given axis. The detection portion detects a rotational position of the operation portion with respect to the holding portion. A condition of the switch changes according to an external force exerted to the operation portion.

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