The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 05, 2017
Filed:
Dec. 19, 2013
Applicant:
Leica Geosystems Ag, Heerbrugg, CH;
Inventors:
Assignee:
LEICA GEOSYSTEMS AG, Heerbrugg, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 17/10 (2006.01); H01S 5/042 (2006.01); H01S 5/068 (2006.01); H03K 3/57 (2006.01); G01B 11/14 (2006.01); H01S 5/00 (2006.01); G01S 7/484 (2006.01);
U.S. Cl.
CPC ...
G01S 17/10 (2013.01); G01B 11/14 (2013.01); H01S 5/0014 (2013.01); H01S 5/0428 (2013.01); H01S 5/06825 (2013.01); H03K 3/57 (2013.01); G01S 7/484 (2013.01);
Abstract
An electro-optical distance measuring device includes a laser driver for a laser diode for emitting laser light pulses. The measuring device further includes a laser diode voltage supply having a cascade of at least two voltage regulators, each of which provides an output voltage at a level below a laser threshold voltage of the laser diode. By changing from a first to a second switching position of an electronic switching element of the measuring device, one of the laser light pulses can be emitted and, in the steady-state first and the steady-state second switching positions, no laser light is emitted.