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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 |
| 6864779 |
Method and apparatus for transmitting data from a remote location to a desired device |
Mar. 8, 2005 |
| 6864784 |
Vehicle speed and safety warning system |
Mar. 8, 2005 |
| 6864788 |
Actuator controller for selecting a communication language |
Mar. 8, 2005 |
| 6864789 |
Personal property security device |
Mar. 8, 2005 |
| 6861942 |
Directionally-adjustable antenna system using an outside mirror for automotive applications |
Mar. 1, 2005 |
| 6861944 |
Authorization control system |
Mar. 1, 2005 |
| 6862443 |
Remote communication system for use with a vehicle |
Mar. 1, 2005 |
| 6853302 |
Networked personal security system |
Feb. 8, 2005 |
| 6853310 |
Tri-mode medical telemetry antenna system |
Feb. 8, 2005 |
| 6850151 |
Devices for locating/keeping track of objects, animals or persons |
Feb. 1, 2005 |
| 6850157 |
Wireless data acquisition system |
Feb. 1, 2005 |
| 6850161 |
Systems and methods for identifying and mapping conduit location |
Feb. 1, 2005 |
| 6850170 |
On-board vehicle system and method for receiving and indicating driving-related signals |
Feb. 1, 2005 |
| 6847292 |
Method and device for remote unlocking of an access door of a building with an elevator |
Jan. 25, 2005 |
| 6847293 |
Detection system using personal communication device with response |
Jan. 25, 2005 |
| 6847295 |
Anti-abduction system and method |
Jan. 25, 2005 |
| 6847863 |
Four channel light system for vehicles |
Jan. 25, 2005 |
| 6844813 |
Cooperative vending machine data reporting |
Jan. 18, 2005 |
| 6842107 |
Information processing device and information processing method |
Jan. 11, 2005 |
| 6842620 |
System and method for providing traffic information using operational data of a wireless network |
Jan. 11, 2005 |
| 6838986 |
Notification of use of network-enabled device |
Jan. 4, 2005 |
| 6838988 |
Smoke detector with performance reporting |
Jan. 4, 2005 |
| 6838998 |
Multi-user global position tracking system and method |
Jan. 4, 2005 |
| 6836211 |
Rescue requesting method in bluetooth system |
Dec. 28, 2004 |
| 6836843 |
Access control through secure channel using personal identification system |
Dec. 28, 2004 |
| 6831550 |
Security system using sensors |
Dec. 14, 2004 |
| 6831556 |
Composite mobile digital information system |
Dec. 14, 2004 |
| 6831557 |
Method of providing alarm based wireless security monitoring |
Dec. 14, 2004 |
| 6831563 |
Location visit confirmation services for wireless devices |
Dec. 14, 2004 |
| 6828909 |
Portable motion detector and alarm system and method |
Dec. 7, 2004 |
| 6826514 |
Monitoring of controlled mobile environments |
Nov. 30, 2004 |
| 6825757 |
Vehicle perimeter monitor |
Nov. 30, 2004 |
| 6825763 |
Personnel and asset tracking method and apparatus |
Nov. 30, 2004 |
| 6822565 |
Wireless gauge alert |
Nov. 23, 2004 |
| 6822572 |
Skier alert system |
Nov. 23, 2004 |
| 6819264 |
Cabin situation alert system |
Nov. 16, 2004 |
| 6816069 |
Command console for home monitoring system |
Nov. 9, 2004 |
| 6816070 |
Method of generating an alert for walkie-talkie when out of communicatable distance |
Nov. 9, 2004 |
| 6816075 |
Evidence and property tracking for law enforcement |
Nov. 9, 2004 |
| 6816088 |
Marine vessel monitoring system |
Nov. 9, 2004 |
| 6812855 |
Road traffic weather observation system and self-emission road sign system |
Nov. 2, 2004 |
| 6809643 |
Health monitoring system for car seat |
Oct. 26, 2004 |
| 6798342 |
Security system with remote indication device |
Sep. 28, 2004 |
| 6798346 |
Device for floating an automobile and communication in an emergency |
Sep. 28, 2004 |
| 6799031 |
Local combined telephone and alarm system |
Sep. 28, 2004 |
| 6791451 |
System and method for improving the security of storage of firearms and other objects, and for aiding the recovery of such if removed from storage |
Sep. 14, 2004 |
| 6791465 |
Tamper indicating bolt |
Sep. 14, 2004 |
| 6788203 |
Mailbox and counter combination device |
Sep. 7, 2004 |
| 6784787 |
Identification system |
Aug. 31, 2004 |
| 6784800 |
Industrial vehicle safety system |
Aug. 31, 2004 |
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