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Class Information
Number: 455/67.16
Name: Telecommunications > Transmitter and receiver at separate stations > Having measuring, testing, or monitoring of system or part > Phase measuring (e.g., group delay, propagation effect, etc.)
Description: Subject matter including means to measure the change in phase of propagating waves.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5745479 |
Error detection in a wireless LAN environment |
Apr. 28, 1998 |
| 5745840 |
Equalization in a simulcast communication system |
Apr. 28, 1998 |
| 5710758 |
Wireless network planning tool |
Jan. 20, 1998 |
| 5697051 |
Method for coordinating propagation delays in a satellite linked simulcast network using a benchmark station |
Dec. 9, 1997 |
| 5689812 |
Radio propagation simulation method |
Nov. 18, 1997 |
| 5684794 |
Validation of subscriber signals in a cellular radio network |
Nov. 4, 1997 |
| 5678193 |
Determination of an initial launch time in a simulcast communication system |
Oct. 14, 1997 |
| 5669063 |
Method of establishing line of sight propagation |
Sep. 16, 1997 |
| 5623429 |
Techniques for expeditiously predicting electromagnetic wave propagation |
Apr. 22, 1997 |
| 5613195 |
Burst output timing control system in satellite communication system |
Mar. 18, 1997 |
| 5613211 |
Method of establishing inter base-station synchronization and mobile radio communicaton system using the method |
Mar. 18, 1997 |
| 5610614 |
Real-time kinematic initialization test system |
Mar. 11, 1997 |
| 5561446 |
Method and apparatus for wireless remote information retrieval and pen-based data entry |
Oct. 1, 1996 |
| 5561664 |
Method of reducing audio delays associated with mobile-to-mobile communications |
Oct. 1, 1996 |
| 5553077 |
Method and device for automatic synchronisation of data bursts |
Sep. 3, 1996 |
| 5544155 |
Method of synchronization for code division multiple access radiotelephone communications |
Aug. 6, 1996 |
| 5526284 |
Apparatus and methods for music and lyrics broadcasting |
Jun. 11, 1996 |
| 5524282 |
Apparatus and method for detecting place of burst signals in time division multiplex communication system |
Jun. 4, 1996 |
| 5491839 |
System for short range transmission of a plurality of signals simultaneously over the air using high frequency carriers |
Feb. 13, 1996 |
| 5491838 |
Broadcast system with associated data capabilities |
Feb. 13, 1996 |
| 5483677 |
Radio system with measurement and adjustment of transfer delay |
Jan. 9, 1996 |
| 5465393 |
Simulated air interface system for simulating radio communication |
Nov. 7, 1995 |
| 5455961 |
Telecommunication system with increased channels by use of orbiting communication satellites |
Oct. 3, 1995 |
| 5455965 |
Method for determining and utilizing simulcast transmit times |
Oct. 3, 1995 |
| 5450615 |
Prediction of indoor electromagnetic wave propagation for wireless indoor systems |
Sep. 12, 1995 |
| 5444698 |
Mobile radio communication system capable of preventing interference between time slots when propagation delay exists |
Aug. 22, 1995 |
| 5428388 |
Video doorbell system |
Jun. 27, 1995 |
| 5423058 |
Simulcast transmission system with selective call tones |
Jun. 6, 1995 |
| 5408686 |
Apparatus and methods for music and lyrics broadcasting |
Apr. 18, 1995 |
| 5390339 |
Method and apparatus for selecting a serving transceiver |
Feb. 14, 1995 |
| 5381444 |
Radio environment measuring system |
Jan. 10, 1995 |
| 5363373 |
Digital mobile station using presettable timeslot counter for compensating for propagation delay time |
Nov. 8, 1994 |
| 5363376 |
Method and apparatus for synchronizing timing among radio ports in wireless communications systems |
Nov. 8, 1994 |
| 5363375 |
Method and apparatus for synchronizing timing among radio ports in wireless communications systems using hierarchical scheme |
Nov. 8, 1994 |
| 5361398 |
Method and apparatus for transmission path delay measurements using adaptive demodulation |
Nov. 1, 1994 |
| 5361305 |
Automated system and method for automotive audio test |
Nov. 1, 1994 |
| 5337046 |
System for communication between pedestrians and vehicles |
Aug. 9, 1994 |
| 5280629 |
Technique for measuring channel delay |
Jan. 18, 1994 |
| 5280631 |
Polarization diversity system suitable for radio communication in indoor space |
Jan. 18, 1994 |
| 5279042 |
Signal transmission system for trigger probe |
Jan. 18, 1994 |
| 5274841 |
Methods for polling mobile users in a multiple cell wireless network |
Dec. 28, 1993 |
| 5257408 |
Method for seeking a communication system |
Oct. 26, 1993 |
| 5239540 |
Method and apparatus for transmitting, receiving and communicating digital data signals with corresponding program data signals which describe the digital data signals |
Aug. 24, 1993 |
| 5230077 |
Method of reducing the power requirements in a mobile radio receiver |
Jul. 20, 1993 |
| 5218717 |
Simulcast transmission system with improved synchronizing system |
Jun. 8, 1993 |
| 5212807 |
Method of automatic path map generation for simulcast transmission system |
May. 18, 1993 |
| 5201061 |
Method and apparatus for synchronizing simulcast systems |
Apr. 6, 1993 |
| 5159703 |
Silent subliminal presentation system |
Oct. 27, 1992 |
| 5133081 |
Remotely controllable message broadcast system including central programming station, remote message transmitters and repeaters |
Jul. 21, 1992 |
| 5127101 |
Simulcast auto alignment system |
Jun. 30, 1992 |
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