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Class Information
Number: 340/539.1
Name: Communications: electrical > Condition responsive indicating system > With particular coupling link > Radio
Description: Subject matter where the communication link is by radio waves (i.e., other than light, X, or gamma rays, etc.).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7573368 |
Electromagnetic transponder with no autonomous power supply |
Aug. 11, 2009 |
| 7570167 |
RFID ionosphere |
Aug. 4, 2009 |
| 7570161 |
Anti-theft and safety mechanism for bottles |
Aug. 4, 2009 |
| 7570159 |
System and method for providing visual and physiological cues in a security matching system |
Aug. 4, 2009 |
| 7570154 |
Wireless door chime having changeable high quality sounds and method therefor |
Aug. 4, 2009 |
| 7567181 |
Child cushion monitor apparatus |
Jul. 28, 2009 |
| 7567178 |
Mobile communication device with interrogator to interact with tags |
Jul. 28, 2009 |
| 7567173 |
Environment setup system, electronic apparatus, radio communication terminal, program |
Jul. 28, 2009 |
| 7567172 |
Wide area multipurpose tracking system |
Jul. 28, 2009 |
| 7567166 |
Safety/security method and device for two-wheeled vehicles and similar |
Jul. 28, 2009 |
| 7565132 |
Portable health monitoring system |
Jul. 21, 2009 |
| 7564346 |
Environment setup system, electronic apparatus, radio communication terminal, program |
Jul. 21, 2009 |
| 7564345 |
Volatile device keys and applications thereof |
Jul. 21, 2009 |
| 7561064 |
Vehicle light control apparatus, system and method |
Jul. 14, 2009 |
| 7561049 |
Scope reduction of RFID medium |
Jul. 14, 2009 |
| 7561039 |
Transmitting unit |
Jul. 14, 2009 |
| 7561037 |
Apparatus for and method of collecting and distributing event data to strategic security personnel and response vehicles |
Jul. 14, 2009 |
| 7561029 |
Remote controller for automobile trunk |
Jul. 14, 2009 |
| 7561024 |
Ad-hoc network routing protocol including the use of forward and reverse multi-point relay (MPR) spanning tree routes |
Jul. 14, 2009 |
| 7557717 |
Hard cover product with concealed security device |
Jul. 7, 2009 |
| 7557704 |
Emergency location identification system |
Jul. 7, 2009 |
| 7557703 |
Position management system and position management program |
Jul. 7, 2009 |
| 7555286 |
Authentication card and wireless authentication system performing mutual authentication by means of the authentication card |
Jun. 30, 2009 |
| 7554445 |
Portable motion detector and alarm system and method |
Jun. 30, 2009 |
| 7554443 |
Universal remote control finder |
Jun. 30, 2009 |
| 7551080 |
Control for embedded and door-mounted antennas |
Jun. 23, 2009 |
| 7551075 |
Ground based security surveillance system for aircraft and other commercial vehicles |
Jun. 23, 2009 |
| 7548165 |
Performance enhancement algorithm for radio frequency identification (RFID) systems |
Jun. 16, 2009 |
| 7548163 |
Intermediate cover board with concealed security device for hard cover product |
Jun. 16, 2009 |
| 7548161 |
Acceleration-based theft detection system for portable electronic devices |
Jun. 16, 2009 |
| 7545282 |
Methods, systems, and computer program products for monitoring a target entity using one or more geographic rules |
Jun. 9, 2009 |
| 7545278 |
Article position estimating apparatus, method of estimating article position, article search system, and article position estimating program |
Jun. 9, 2009 |
| 7545267 |
Arrangement and method for product information interaction with building control system elements |
Jun. 9, 2009 |
| 7543846 |
Air bag device |
Jun. 9, 2009 |
| 7542721 |
Systems and methods for providing non-dedicated wireless backup service for monitored security systems via Bluetooth |
Jun. 2, 2009 |
| 7541921 |
Method and system for emergency calls from vehicles |
Jun. 2, 2009 |
| 7541913 |
Method for tracking containers using a low-rate wireless personal area network system |
Jun. 2, 2009 |
| 7538686 |
Remote controller with a communication function |
May. 26, 2009 |
| 7538678 |
Data storing apparatus and method for RFID tags with sensors |
May. 26, 2009 |
| 7538669 |
Wireless sensor system |
May. 26, 2009 |
| 7535374 |
Security cover |
May. 19, 2009 |
| 7535341 |
Combination speaker / light fixture |
May. 19, 2009 |
| 7535337 |
Systems and methods for monitoring open stock merchandising |
May. 19, 2009 |
| 7532111 |
System and method for graphically displaying a coin toss |
May. 12, 2009 |
| 7532106 |
Perishable product electronic label including time and temperature measurement |
May. 12, 2009 |
| 7528729 |
System and method for providing visual and physiological cues in a matching system |
May. 5, 2009 |
| 7528725 |
Passive dynamic antenna tuning circuit for a radio frequency identification reader |
May. 5, 2009 |
| 7528718 |
System and method for improved theft prevention of a notebook computer based on pre-resuming activities |
May. 5, 2009 |
| 7528713 |
Apparatus and method for providing a task reminder based on travel history |
May. 5, 2009 |
| 7528711 |
Portable monitoring unit |
May. 5, 2009 |
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