Reflective prism device
AssigneeTopcon Corporation
InventorsIkuo Ishinabe, Hiromitsu Takaya
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Abstract
The present invention provides a reflective prism device, which comprises a prism unit and a data communication unit, and communication light being irradiated from a survey instrument toward said prism unit, whereby there is provided a light guide for guiding a part of said communication light entering said prism unit toward said data communication unit.
Claims3
A reflective prism device, comprising a prism unit and a data communication unit which are arranged in parallel, and communication light being irradiated from a survey instrument toward said prism unit, wherein there are provided a light guide for guiding a part of said communication light entering said prism unit toward said data communication unit and a switching mechanism for changing the photoreceiving position of said light guide and for guiding said communication light from different position of said prism unit toward said data communication unit.
Dependencies are inferred from the claim text.