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Class Information
Number: 455/226.4
Name: Telecommunications > Receiver or analog modulated signal frequency converter > Measuring or testing of receiver > With meter or indicator
Description: Subject matter including a means for displaying to a human observer information concerning the receiver characteristics being measured.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7592794 |
Integrated low power received signal strength indicator (RSSI) with linear characteristic |
Sep. 22, 2009 |
| 7555322 |
Foldable type portable information terminal, condition notifying method used in the same and program therefor |
Jun. 30, 2009 |
| 7529553 |
Received signal quality display method and received signal quality display system |
May. 5, 2009 |
| 7515891 |
Programmable gain amplifier (PGA) with AGC in receiver section |
Apr. 7, 2009 |
| 7509106 |
Test signal generation circuit, and reception circuit |
Mar. 24, 2009 |
| 7495553 |
Method of installing a wireless security system |
Feb. 24, 2009 |
| 7466960 |
Cognitive spectrum analysis and information display techniques |
Dec. 16, 2008 |
| 7450958 |
Method for displaying received signal strength bars in wireless terminal device |
Nov. 11, 2008 |
| 7430412 |
Digitally programmable continuously variable precision microwave attenuator |
Sep. 30, 2008 |
| 7418249 |
Radio apparatus |
Aug. 26, 2008 |
| 7406302 |
Digital FM stereo receiver architecture |
Jul. 29, 2008 |
| 7400872 |
Radio receiver for selecting appropriate diversity antennas by comparing correlation values and a method for the same |
Jul. 15, 2008 |
| 7395548 |
System and method for signal validation and leakage detection |
Jul. 1, 2008 |
| 7376118 |
System and method for optimizing contiguous channel operation with cellular reuse |
May. 20, 2008 |
| 7359707 |
Wireless communications handoff method and system employing such |
Apr. 15, 2008 |
| 7269144 |
Radio transceiver on a chip |
Sep. 11, 2007 |
| 7257375 |
Receiver with dual D.C. noise cancellation circuits |
Aug. 14, 2007 |
| 7254755 |
On-chip receiver sensitivity test mechanism |
Aug. 7, 2007 |
| 7231186 |
Mobile station executing alarm processing of a degraded communication quality |
Jun. 12, 2007 |
| 7224940 |
Frequency modulating device of an integrated circuit and a method of measuring modulated frequency |
May. 29, 2007 |
| 7218904 |
Removing close-in interferers through a feedback loop |
May. 15, 2007 |
| 7215951 |
Test system for mobile communication terminal in which state of progress of connection-transition test can be visually recognized |
May. 8, 2007 |
| 7209187 |
System for selectively extinguishing a light source that illuminates a television power button |
Apr. 24, 2007 |
| 7187914 |
Rectifiers and rectifying methods for use in telecommunications devices |
Mar. 6, 2007 |
| 7181169 |
Controlling apparatus and method of mobile communication terminal using electrostatic detection |
Feb. 20, 2007 |
| 7177593 |
Estimating communication quality |
Feb. 13, 2007 |
| 7177621 |
Wireless communication medium and method for operating the same |
Feb. 13, 2007 |
| 7171180 |
AM receiver circuit performing sound quality compensation of AM detection output signal |
Jan. 30, 2007 |
| 7139563 |
Portable telephone set with interference detecting and warning function displayed with indication of type of radio interference fault |
Nov. 21, 2006 |
| 7133666 |
Radio communication system and reception status display method |
Nov. 7, 2006 |
| 7133655 |
Amplifiers and amplifying methods for use in telecommunications devices |
Nov. 7, 2006 |
| 7127214 |
User perception of wireless improvement technology |
Oct. 24, 2006 |
| 7102511 |
Radio wave detection device |
Sep. 5, 2006 |
| 7068171 |
Radio transceiver on a chip |
Jun. 27, 2006 |
| 7050773 |
Wireless broadcast service quality indicator and method |
May. 23, 2006 |
| 7046964 |
Method and apparatus for determining the frequency of a radio signal during periods of stability and monitoring communications with a radio receiver |
May. 16, 2006 |
| 7027784 |
Method and apparatus for detecting power levels of varying envelope signals |
Apr. 11, 2006 |
| 7024162 |
Communication system with call quality indication and method of operation therein |
Apr. 4, 2006 |
| 7016671 |
Test system for mobile communication terminal in which result of connection-transition test can be directly and visually grasped |
Mar. 21, 2006 |
| 7016651 |
Apparatus and method for measuring signal quality of a wireless communications link |
Mar. 21, 2006 |
| 7006797 |
Coherence frequency determining system and associated radio apparatus |
Feb. 28, 2006 |
| 7003262 |
Method and device for determining sideband ratio of superconduction mixer using comb generator |
Feb. 21, 2006 |
| 7003327 |
Heuristically assisted user interface for a wireless communication device |
Feb. 21, 2006 |
| 6954615 |
Display terminal |
Oct. 11, 2005 |
| 6952568 |
Tracking power levels in a wireless telecommunications network |
Oct. 4, 2005 |
| 6947709 |
Method for calibrating a testing apparatus |
Sep. 20, 2005 |
| 6934538 |
Portable telephone set for detecting radio wave interference on switched perch channels and displaying interference warning |
Aug. 23, 2005 |
| 6925301 |
Remote estimation of amplifier functionality |
Aug. 2, 2005 |
| 6912379 |
Infrared ray transmitting and receiving device having a signal communicator |
Jun. 28, 2005 |
| 6912375 |
Radio communicating apparatus |
Jun. 28, 2005 |
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