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Class Information
Number: 340/504
Name: Communications: electrical > Condition responsive indicating system > With particular system function (e.g., temperature compensation, calibration) > Answer-back
Description: Subject matter where a signal indicative of receipt of the indication is returned to the location originating the alarm.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7561069 |
Notification systems and methods enabling a response to change particulars of delivery or pickup |
Jul. 14, 2009 |
| 7538691 |
Mobile thing determination systems and methods based upon user-device location |
May. 26, 2009 |
| 7528742 |
Response systems and methods for notification systems for modifying future notifications |
May. 5, 2009 |
| 7504966 |
Response systems and methods for notification systems for modifying future notifications |
Mar. 17, 2009 |
| 7482952 |
Response systems and methods for notification systems for modifying future notifications |
Jan. 27, 2009 |
| 7479899 |
Notification systems and methods enabling a response to cause connection between a notified PCD and a delivery or pickup representative |
Jan. 20, 2009 |
| 7479900 |
Notification systems and methods that consider traffic flow predicament data |
Jan. 20, 2009 |
| 7479901 |
Mobile thing determination systems and methods based upon user-device location |
Jan. 20, 2009 |
| 7414525 |
Remote monitoring of remediation systems |
Aug. 19, 2008 |
| 7319414 |
Secure notification messaging systems and methods using authentication indicia |
Jan. 15, 2008 |
| 7249111 |
Method of assigning value codes |
Jul. 24, 2007 |
| 7119716 |
Response systems and methods for notification systems for modifying future notifications |
Oct. 10, 2006 |
| 7109878 |
External infusion device with remote programming, bolus estimator and/or vibration alarm capabilities |
Sep. 19, 2006 |
| 7035774 |
Portable terminal and message notifying system using the same |
Apr. 25, 2006 |
| 6995664 |
Remote supervision system and method |
Feb. 7, 2006 |
| 6943679 |
Programmable universal locating system |
Sep. 13, 2005 |
| 6911904 |
System and method for adaptive variable magnetic field generator |
Jun. 28, 2005 |
| 6885304 |
Monitoring of crowd response to performances |
Apr. 26, 2005 |
| 6882271 |
Automated medical imaging system repair diagnostics |
Apr. 19, 2005 |
| 6816067 |
Apparatus and method for selecting wireless devices |
Nov. 9, 2004 |
| 6799031 |
Local combined telephone and alarm system |
Sep. 28, 2004 |
| 6778084 |
Interactive wireless surveillance and security system and associated method |
Aug. 17, 2004 |
| 6744348 |
Security system utilizing group supervision polling |
Jun. 1, 2004 |
| 6741172 |
Voice-to-data equipment installation set up method and system |
May. 25, 2004 |
| 6498563 |
Synchronized communication system |
Dec. 24, 2002 |
| 6377169 |
Transmitted signal confirmation device, vehicular transmitted signal confirmation device and confirmation method of transmitted signal |
Apr. 23, 2002 |
| 6252501 |
Message repeating apparatus and method |
Jun. 26, 2001 |
| 5729196 |
Personal location and message system and unit |
Mar. 17, 1998 |
| 5260700 |
Enhanced throughput in simulcast communication systems |
Nov. 9, 1993 |
| 5159315 |
Communication system with environmental condition detection capability |
Oct. 27, 1992 |
| 4616214 |
Security system |
Oct. 7, 1986 |
| 4377870 |
Electronic audience polling system |
Mar. 22, 1983 |
| 4282517 |
Automatic ringback for direct current monitoring system |
Aug. 4, 1981 |
| 4101875 |
Multi-satellite intrusion alarm control system |
Jul. 18, 1978 |
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