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Class Information
Number: 250/222.1
Name: Radiant energy > Photocells; circuits and apparatus > Optical or pre-photocell system > Controlled by article, person, or animal > Inanimate article
Description: Subject matter in which the object is an inanimate article.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7454935 |
Safety method and optoelectronic sensor |
Nov. 25, 2008 |
| 7448242 |
Method for securing a machine tool and opto-electronic sensor for carrying out such a method |
Nov. 11, 2008 |
| 7446301 |
Safety mechanism comprising a height-adjustable holding device |
Nov. 4, 2008 |
| 7446302 |
Optical vend-sensing system for control of vending machine |
Nov. 4, 2008 |
| 7442914 |
System and method of determining a position of a radiation emitting element |
Oct. 28, 2008 |
| 7442917 |
Method for using a single optical emitter/receiver pair for creating a light curtain using LCD+MEMS technology for beam deflection |
Oct. 28, 2008 |
| 7414235 |
Handheld locating device with a sensor for detecting motion parameters |
Aug. 19, 2008 |
| 7402743 |
Free-space human interface for interactive music, full-body musical instrument, and immersive media controller |
Jul. 22, 2008 |
| 7394058 |
Touch screen with light-enhancing layer |
Jul. 1, 2008 |
| 7391007 |
Optoelectronic apparatus and method of operating the optoelectronic apparatus in order to detect an object |
Jun. 24, 2008 |
| 7378643 |
Optical projection encoder with patterned mask |
May. 27, 2008 |
| 7368704 |
Self-contained fork sensor having a wide effective beam |
May. 6, 2008 |
| 7368702 |
Multi-optical-path photoelectric safety apparatus |
May. 6, 2008 |
| 7348536 |
Light grid with housing |
Mar. 25, 2008 |
| 7340930 |
Method for securing a machine tool and opto-electronic sensor for carrying out such a method |
Mar. 11, 2008 |
| 7339675 |
Apparatus for stacking sheet members, apparatus for measuring dimensions of sheet members, and apparatus for and method of marking sheet members |
Mar. 4, 2008 |
| 7332704 |
Photosensitive button structure |
Feb. 19, 2008 |
| 7330668 |
Low noise light receiver |
Feb. 12, 2008 |
| 7326910 |
Multiple-optical-axis photoelectric sensor |
Feb. 5, 2008 |
| 7306239 |
Height control system and sensor therefor |
Dec. 11, 2007 |
| 7297930 |
Device for measuring width by light attenuation difference |
Nov. 20, 2007 |
| 7291828 |
Measuring system for determining the electromechanical coupling characteristics of a PZT vibrator |
Nov. 6, 2007 |
| 7276681 |
On-board light source based gain correction for semi-active laser seekers |
Oct. 2, 2007 |
| 7268341 |
Optical position sensing device including interlaced groups of photosensitive elements |
Sep. 11, 2007 |
| 7250596 |
Circuit with an opto-electronic display unit |
Jul. 31, 2007 |
| 7220957 |
High intensity photic stimulation system with protection of users |
May. 22, 2007 |
| 7191034 |
Method and system for accomplishing product detection |
Mar. 13, 2007 |
| 7161137 |
Optical transducer system having light emitting elements and light detecting elements both regulable in output characteristics |
Jan. 9, 2007 |
| 7154080 |
System and method for detecting the efficacy of machined parts |
Dec. 26, 2006 |
| 7154079 |
Moving object detecting system and moving object detecting method |
Dec. 26, 2006 |
| 7139108 |
Single automatic document feeder sensor for media leading edge and top cover being opened detection |
Nov. 21, 2006 |
| 7122782 |
Multi-optical axis photoelectric sensor |
Oct. 17, 2006 |
| 7115857 |
Apparatus for remotely counting objects in a collection using differential lighting |
Oct. 3, 2006 |
| 7102119 |
Ball bounce game using electromagnetic beams |
Sep. 5, 2006 |
| 7098441 |
Photoelectric sensor |
Aug. 29, 2006 |
| 7084387 |
Multiple-optical-axis photoelectric switch, mounting structure therefor, and fixture therefor |
Aug. 1, 2006 |
| 7068167 |
Optical sensor |
Jun. 27, 2006 |
| 7057153 |
Multiple sensing automatic lighting system for personal safety |
Jun. 6, 2006 |
| 7045765 |
Device for counting stacked products |
May. 16, 2006 |
| 7034280 |
Light grid |
Apr. 25, 2006 |
| 7030354 |
Automatically controlling apparatus and an automatically controlling system of a boarding bridge, which can improve a reliability due to an automatic operation, and a position matching method |
Apr. 18, 2006 |
| 7022972 |
Image reader with a closed-state detector and image forming apparatus using same |
Apr. 4, 2006 |
| 7012242 |
Method for optoelectronically inspecting pharmaceutical articles |
Mar. 14, 2006 |
| 7012539 |
Monitoring method and an optoelectronic sensor |
Mar. 14, 2006 |
| 6982410 |
Photoelectric sensor with deflection angle adjustment arrangement |
Jan. 3, 2006 |
| 6974948 |
Perimetric detection system |
Dec. 13, 2005 |
| 6960008 |
Proportional brake light display system |
Nov. 1, 2005 |
| 6953926 |
Method and devices for opto-electronically determining the position of an object |
Oct. 11, 2005 |
| 6946643 |
Retro-reflective photoelectric sensor |
Sep. 20, 2005 |
| 6943339 |
Tilt sensor and method of making same |
Sep. 13, 2005 |
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