| 摘要 |
A device for writing optical information including a roof mirror array, a lens array, an optical-path separator, a mirror member, a housing, and a self-scanned recording element. The roof mirror array, the lens array, the optical-path separator, and the mirror member are retained by the housing in a prescribed mutual positional relationship. The housing has a pair of slits, one of which is covered with the light-signal producing surface of the self-scanned recording element. The housing is shaped such that the light-signal producing surface of the self-scanned recording element is held in registration with an object surface on which an unmagnified object image would be formed by the lens array and the roof mirror array.
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