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Class Information
Number: 340/539.23
Name: Communications: electrical > Condition responsive indicating system > With particular coupling link > Radio > Having plural distinct sensors (i.e., for surrounding conditions) > Proximity
Description: Subject matter wherein the nearness of an object is determined.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7623030 |
Distance determination and alarm system |
Nov. 24, 2009 |
| 7619524 |
Identifying RFID tag moving coherently with reader |
Nov. 17, 2009 |
| 7603235 |
Arrangement for collision prevention of mine vehicle |
Oct. 13, 2009 |
| 7592909 |
Location and tracking system using wireless technology |
Sep. 22, 2009 |
| 7573383 |
Electronic device and control method thereof |
Aug. 11, 2009 |
| 7570163 |
Methods and apparatus for managing TLS connections in a large soft switch |
Aug. 4, 2009 |
| 7567173 |
Environment setup system, electronic apparatus, radio communication terminal, program |
Jul. 28, 2009 |
| 7564346 |
Environment setup system, electronic apparatus, radio communication terminal, program |
Jul. 21, 2009 |
| 7536188 |
Communication device locating system |
May. 19, 2009 |
| 7532878 |
Communication method |
May. 12, 2009 |
| 7528716 |
Methods, location circuits and computer program products for automated location and monitoring of mobile devices |
May. 5, 2009 |
| 7525414 |
Apparatus, system, and method for aurally indicating progress |
Apr. 28, 2009 |
| 7525568 |
Personal multi-information recorder |
Apr. 28, 2009 |
| 7520426 |
Position monitoring device |
Apr. 21, 2009 |
| 7518509 |
Method and device for securing objects |
Apr. 14, 2009 |
| 7511613 |
Lighting control with occupancy detection |
Mar. 31, 2009 |
| 7508320 |
Intelligent selectively-targeted communications systems and methods |
Mar. 24, 2009 |
| 7495551 |
Device, system and method of locating a wireless communication device |
Feb. 24, 2009 |
| 7471199 |
Mobile key using read/write RFID tag |
Dec. 30, 2008 |
| 7456734 |
Security alarm device |
Nov. 25, 2008 |
| 7446664 |
Remote child locator |
Nov. 4, 2008 |
| 7446656 |
Electronic location monitoring system |
Nov. 4, 2008 |
| 7443291 |
Portable terminal and information provision system utilizing the portable terminal |
Oct. 28, 2008 |
| 7432806 |
Spatial position determination system |
Oct. 7, 2008 |
| 7423526 |
Integrated patient diagnostic and identification system |
Sep. 9, 2008 |
| 7423536 |
Heat sensor activated detector and method |
Sep. 9, 2008 |
| 7417543 |
Method and system for monitoring containers to maintain the security thereof |
Aug. 26, 2008 |
| 7408462 |
Control of monitored zone |
Aug. 5, 2008 |
| 7408459 |
Environment setup system, electronic apparatus, radio communication terminal, program |
Aug. 5, 2008 |
| 7394346 |
Free-space gesture recognition for transaction security and command processing |
Jul. 1, 2008 |
| 7394364 |
Wireless item location monitoring system and method |
Jul. 1, 2008 |
| 7388500 |
Enhanced mechanism for radio frequency identification reader |
Jun. 17, 2008 |
| 7385515 |
Surveillance detection system and methods for detecting surveillance of an individual |
Jun. 10, 2008 |
| 7378967 |
RFID tag sensitivity |
May. 27, 2008 |
| 7369061 |
Vehicle locator device |
May. 6, 2008 |
| 7355511 |
Notification managing apparatus and notification managing method for vehicle |
Apr. 8, 2008 |
| 7339484 |
Event-driven discovery method and apparatus |
Mar. 4, 2008 |
| 7333776 |
Phone alert |
Feb. 19, 2008 |
| 7327255 |
Carrying case for a handheld device and methods thereof |
Feb. 5, 2008 |
| 7323988 |
Personal item reminder |
Jan. 29, 2008 |
| 7323983 |
Device for alerting when umbrella is left behind |
Jan. 29, 2008 |
| 7323991 |
System and method for locating and communicating with personnel and equipment in a facility |
Jan. 29, 2008 |
| 7317388 |
Position detection system for mobile object |
Jan. 8, 2008 |
| 7317389 |
Audio apparatus and monitoring method using the same |
Jan. 8, 2008 |
| 7312700 |
GPS enabled cell phone with common interest alerts |
Dec. 25, 2007 |
| 7289025 |
Method and system for securing an electronic device |
Oct. 30, 2007 |
| 7271715 |
Personal articles tracking |
Sep. 18, 2007 |
| 7271718 |
Protection against loss or theft of identification badges and other items |
Sep. 18, 2007 |
| 7259671 |
Proximity aware personal alert system |
Aug. 21, 2007 |
| 7256694 |
Automatic lid opening and closing system for a waste container |
Aug. 14, 2007 |
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