Scanning rangefinder
US7403269B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 4, 2005 |
| Grant date | Jul 22, 2008 |
| Priority date | — |
| Expiry date | Sep 17, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S7/4813
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Scanning rangefinder of simple, compact construction. The rangefinder is furnished with: an outer cover (1) in which a transparent window (2) is formed; a cylindrical rotary unit (3) inside the outer cover (1); a scanning/receiving window (4) provided in the rotary unit (3); a dual scanning/receiving mirror (5) disposed, angled, along the rotational axis of the cylindrical rotary unit (3); a motor (6) for rotationally driving the rotary unit (3); a disk part (13) arranged in the cylindrical rotary unit (3), anchored in an inside region thereof; a beam projector (14) anchored in a location where it is disposed slightly spaced apart from the rotational axis of the rotary unit (3); and a light receiver (16) anchored to, arranged coincident with the rotational axis of, the disk part (13) in the inside region of the rotary unit (3), and connected to a distance computation circuit (19).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.