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Class Information
Number: 250/559.13
Name: Radiant energy > Photocells; circuits and apparatus > With circuit for evaluating a web, strand, strip, or sheet > Beam interruption or shadow > With laser source
Description: Subject matter wherein the photocell receives light from a coherent light source.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7448242 |
Method for securing a machine tool and opto-electronic sensor for carrying out such a method |
Nov. 11, 2008 |
| 7340930 |
Method for securing a machine tool and opto-electronic sensor for carrying out such a method |
Mar. 11, 2008 |
| 7253910 |
Optical measuring device |
Aug. 7, 2007 |
| 7129507 |
Chip mis-position detection method |
Oct. 31, 2006 |
| 7126145 |
Frame transfer prober |
Oct. 24, 2006 |
| 7012242 |
Method for optoelectronically inspecting pharmaceutical articles |
Mar. 14, 2006 |
| 6927861 |
Simple deterministic method for array based optical component packaging |
Aug. 9, 2005 |
| 6762426 |
Threaded fastener inspection method |
Jul. 13, 2004 |
| 6346988 |
Laser position array optical measuring system and method |
Feb. 12, 2002 |
| 6303938 |
Method and device for detection of untextured yarn sections in textured filament yarns |
Oct. 16, 2001 |
| 6243011 |
Optoelectric safety system for a folding press |
Jun. 5, 2001 |
| 5970433 |
Laser obstacle detection method and sensor |
Oct. 19, 1999 |
| 5799403 |
Standoff crown measurement device |
Sep. 1, 1998 |
| 5705817 |
Apparatus for optical monitoring of a thread for irregularities |
Jan. 6, 1998 |
| 5670773 |
Process for the space localization of the focal point of a laser beam of a machining machine and equipment for performing this process |
Sep. 23, 1997 |
| 5504346 |
Insitu detection of tube sagging in semiconductor diffusion furnace using a laser beam that is blocked when tube sags |
Apr. 2, 1996 |
| 5316562 |
Optical fiber tension monitoring technique |
May. 31, 1994 |
| 5311291 |
Measuring method and device, in particular for measuring cigarettes, using a laser beam |
May. 10, 1994 |
| 5162659 |
Method and apparatus for noncontact inspection of engine blades |
Nov. 10, 1992 |
| 5160850 |
Light beam interrupt detection apparatus for use in a vibrating environment |
Nov. 3, 1992 |
| 5069550 |
Optical measuring machine with detachable operating board |
Dec. 3, 1991 |
| 4982103 |
Process and apparatus for the non-contact measurement of the geometric contours of a part |
Jan. 1, 1991 |
| 4972090 |
Method and apparatus for measuring and inspecting articles of manufacture for configuration |
Nov. 20, 1990 |
| 4803373 |
Conveyor arm apparatus with gap detection |
Feb. 7, 1989 |
| 4792695 |
Contact-free measuring apparatus having an F-theta-corrected, catadioptric objective and method for using the same |
Dec. 20, 1988 |
| 4772801 |
Optical light beam device for automatically controlling the bending operation when bending with a press brake |
Sep. 20, 1988 |
| 4743769 |
Non-contacting measuring apparatus for measuring a displacement in dependence on the incidence of a laser beam on a laser beam detector |
May. 10, 1988 |
| 4692629 |
Optical type measuring scanner |
Sep. 8, 1987 |
| 4107539 |
Laser workpiece position and presence inspector and machine control governor |
Aug. 15, 1978 |
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