Mitsubishi Denki Kabushiki Kaisha

Makoto Endoh

Masaki Tabata

A reflecting mirror supporting mechanism has a reflecting mirror with countersinks in the side thereof, a mirror holder (a base) for supporting the reflecting mirror, and leaf springs which urge a base-side face of each of the countersinks against the mirror holder. The reflecting mirror is movable in an in-plane direction of the reflecting mirror, and the base-side face in each of the countersinks is parallel with the rear of the reflecting mirror. A first pad is disposed in a space between the leaf spring and the base-side face. In a space between the rear of the reflecting mirror and the mirror holder, a second pad is provided which is flat in shape in a contact portion with the rear of the reflecting mirror and is spherical in shape in a contact portion with the mirror holder.

Reflecting mirror supporting mechanism

A prime focus unit that enables position and angle correction within a lens barrel while being located at the prime focus of a telescope. There is provided a first frame on which a barrel top inner tube of a telescope is to be mounted. A second frame is joined to the first frame by way of a Stewart platform comprising six jacks and three pressurized springs. An observation apparatus for collecting observation data and an optical correction system for effecting optical correction are provided on the second frame. If a change arises in the relative position and angle formed between the telescope and the observation apparatus in association with a change in the attitude of the telescope, the change can be eliminated by adjustment of a Stewart platform.

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Tokyo, Japan

Makoto Endoh