Canon Kabushiki Kaisha

Akira Fukusima

Hitoshi Narita

Takahiro Kohno

In an optical apparatus having a group of contacts for electrical connection with another apparatus, a plurality of contacts for communication are disposed between a power-supply contact and a grounding contact; the power-supply and grounding contacts are spaced at a larger distance away from adjoining communication contacts than the spacing distance provided between communication contacts; the group of contacts are electrically connected by spring members to patterns formed on a contact substrate; and the width of patterns provided for the power-supply and grounding contacts is arranged to be wider than the width of patterns for the communication contacts.

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Kanagawa, Japan

Akira Fukusima