Distance-measuring apparatus

Details Distance-measuring apparatus Distance-measuring apparatus

1994-01-12

1995-06-20

Adams, Russell E.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

2502014, G03B 1336

Patent

active

054264820

ABSTRACT:
A distance-measuring apparatus comprises a light emitting device for emitting a beam toward a plurality of portions in a field, a light receiving device for receiving a reflection beam from an object located at each of the plurality of portions and outputting a receiving signal according thereto, a selecting device for searching out a region where the receiving signal exceeds a predetermined value out of the plurality of portions and selecting an aimed portion for distance measurement from the searched-out region where the receiving signal exceeds the predetermined value, and a measuring device for measuring an object distance based on a receiving signal from the aimed portion for distance measurement.

REFERENCES:
patent: 5051767 (1991-09-01), Honma et al.
patent: 5128529 (1992-07-01), Nagaoka et al.
patent: 5137350 (1992-08-01), Misawa et al.
patent: 5148011 (1992-09-01), Taka
patent: 5235376 (1993-08-01), Inoue et al.
patent: 5264892 (1993-11-01), Nonaka et al.

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