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Class Information
Number: 340/555
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Intrusion detection > Disturbance of electromagnetic waves > Light
Description: Subject matter wherein the electromagnetic waves are in the visible range (4,000-7,000A).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619517 |
Alarm for selectively detecting intrusions by persons |
Nov. 17, 2009 |
| 7616895 |
Safety edge with status and failure recognition |
Nov. 10, 2009 |
| 7598484 |
Photoelectric sensor for securing the safety of a work area |
Oct. 6, 2009 |
| 7592913 |
Wireless AV lighting fixture with auto sensor |
Sep. 22, 2009 |
| 7550708 |
Photoelectric sensor and emitting device for photoelectric sensor |
Jun. 23, 2009 |
| 7548172 |
Communication system for vehicle, vehicle, and communication device for vehicle |
Jun. 16, 2009 |
| 7538671 |
Medical system having a magnetic field with a high magnetic field intensity |
May. 26, 2009 |
| 7522044 |
Monitoring process and system |
Apr. 21, 2009 |
| 7518507 |
Method and system to detect tampering of a closed chassis using a passive fiber optic sensor |
Apr. 14, 2009 |
| 7511615 |
Self-operated perimeter intrusion detection system |
Mar. 31, 2009 |
| 7482924 |
Cargo container security system communications |
Jan. 27, 2009 |
| 7459672 |
Motion sensor with LED aiming aid |
Dec. 2, 2008 |
| 7456737 |
Detector with blinders |
Nov. 25, 2008 |
| 7456382 |
Load sensor, method of detecting load and pedestrian protection system |
Nov. 25, 2008 |
| 7448242 |
Method for securing a machine tool and opto-electronic sensor for carrying out such a method |
Nov. 11, 2008 |
| 7446302 |
Optical vend-sensing system for control of vending machine |
Nov. 4, 2008 |
| 7436316 |
Method and system to detect tampering using light detector |
Oct. 14, 2008 |
| 7429915 |
System and method for detecting unauthorized access to electronic equipment or components |
Sep. 30, 2008 |
| 7414236 |
Monitoring devices and intrusion surveillance devices |
Aug. 19, 2008 |
| 7402790 |
Fiber optic security system for sensing the intrusion of secured locations |
Jul. 22, 2008 |
| 7397022 |
Sensor arrangement to prevent reference light incident on side of photodiode |
Jul. 8, 2008 |
| 7388486 |
Method and system to detect tampering using light detector |
Jun. 17, 2008 |
| 7385506 |
Break-in detection sensor |
Jun. 10, 2008 |
| 7378641 |
Device and method for identifying an object in or on a closable opening |
May. 27, 2008 |
| 7368702 |
Multi-optical-path photoelectric safety apparatus |
May. 6, 2008 |
| 7362224 |
Thermally sensitive array device for presence detection around automatic doors |
Apr. 22, 2008 |
| 7362215 |
System and method for monitoring the surroundings of a vehicle |
Apr. 22, 2008 |
| 7359640 |
Optical coupling device and method for bidirectional data communication over a common signal line |
Apr. 15, 2008 |
| 7358861 |
Electronic floor display with alerting |
Apr. 15, 2008 |
| 7340930 |
Method for securing a machine tool and opto-electronic sensor for carrying out such a method |
Mar. 11, 2008 |
| 7330102 |
Method of customizing a vehicle with decals, a vehicle decal assembly and a vehicle customized with decals in accordance with the method |
Feb. 12, 2008 |
| 7326914 |
Light grid for measuring an object |
Feb. 5, 2008 |
| 7327253 |
Intruder detection and warning system |
Feb. 5, 2008 |
| 7326910 |
Multiple-optical-axis photoelectric sensor |
Feb. 5, 2008 |
| 7315241 |
Enhanced perception lighting |
Jan. 1, 2008 |
| 7315254 |
Proximity detector for night vision goggles shut-off |
Jan. 1, 2008 |
| 7301136 |
Method for operating a photoelectric sensor arrangement with inverting and shifting a received signal and corresponding sensor |
Nov. 27, 2007 |
| 7292743 |
Portable optical intrusion detection system |
Nov. 6, 2007 |
| 7286052 |
Detector with blinders |
Oct. 23, 2007 |
| 7268682 |
Room monitoring and lighting system |
Sep. 11, 2007 |
| 7268692 |
Apparatus and method for monitoring hand propinquity to plural adjacent item locations |
Sep. 11, 2007 |
| 7265670 |
Surveillance detector |
Sep. 4, 2007 |
| 7247834 |
Photoelectric sensor for detecting presence/absence of object |
Jul. 24, 2007 |
| 7227120 |
Area monitoring multi-beam photoelectric sensor |
Jun. 5, 2007 |
| 7227464 |
Auto wake-up method from sleep mode of an optical motion sensing device |
Jun. 5, 2007 |
| 7227465 |
Security bar with fiber optic cable based security monitoring |
Jun. 5, 2007 |
| 7205527 |
Apparatus for fanning out near infrared radiation in an automotive occupant position restraint system |
Apr. 17, 2007 |
| 7205903 |
Interactive and dynamic electronic floor advertising/messaging display |
Apr. 17, 2007 |
| 7195379 |
Anti-blinding system for a vehicle |
Mar. 27, 2007 |
| 7190269 |
Fiber optic security system and control method thereof |
Mar. 13, 2007 |
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