Device and method for optical distance measurement

Details Device and method for optical distance measurement Device and method for optical distance measurement

2007-05-22

2007-05-22

Tarcza, Thomas H. (Department: 3662)

Optics: measuring and testing

Range or remote distance finding

With photodetection

C356S004100

Reexamination Certificate

active

10507996

ABSTRACT:
The invention relates to a device for optical distance measurement, in particular a handheld device, having at least one light source (50, 52), disposed in a housing (10) of the device, for generating an optical measurement signal, and having a first user input unit (12) with at least one user control function (24) for emitting a modulated, optical measurement signal for the sake of a distance measurement.According to the invention it is proposed that the device has at least one further user input unit (18) for emitting an optical signal (42).The invention furthermore relates to a method for optical distance measurement, in particular a method for optical distance measurement by means of a handheld measuring device, in which via the actuation of a first user input unit (12), a light source (50, 52) disposed in a housing (10) of the measuring device, a modulated optical measurement signal (42) is emitted in the direction of a target object (46) whose distance from the measuring device is to be ascertained, in which by the actuation of at least one further user input unit (18), the light source (50, 52) disposed in the measuring device can be switched on and/or off.

REFERENCES:
patent: 6226076 (2001-05-01), Yoshida
patent: 6411371 (2002-06-01), Hinderling et al.
patent: 6545749 (2003-04-01), Andersson
patent: 2002/0008866 (2002-01-01), Ohtomo et al.
patent: 2 336 493 (1999-10-01), None

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