| 摘要 |
PROBLEM TO BE SOLVED: To provide an inter-unit connection structure capable of improving mechanic and electric reliability by connecting units with high precision, and reducing costs by reducing the number of parts. SOLUTION: A cover part 12a of a second unit B1 is fit into an opening 14d of a first unit A1, and a projecting part 21a of an electric substrate 21 of the second unit B1 is inserted into the entry port of a card edge connector 22 of the first unit A1, so that the first and second units Al and B1 can be mechanically and electrically connected to each other.
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