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Class Information
Number: 375/224
Name: Pulse or digital communications > Testing
Description: Subject matter in which at least part of the system is tested.










Sub-classes under this class:

Class Number Class Name Patents
375/225 Data rate 452
375/226 Phase error or phase jitter 553
375/227 Signal noise 545
375/228 With indicator 241


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next

Patent Number Title Of Patent Date Issued
7362799 Method and apparatus for communication signal resolution Apr. 22, 2008
7359435 Method of evaluation of a bit error rate measurement for indication of a channel quality Apr. 15, 2008
7356077 Method and apparatus for testing network integrity Apr. 8, 2008
7352672 Device for and method of determining the quality of a data signal Apr. 1, 2008
7349506 Semiconductor integrated circuit and method for testing the same Mar. 25, 2008
7349457 Broadband frequency agile signal characterization Mar. 25, 2008
7346102 Channel with domain crossing Mar. 18, 2008
7346101 Spectrum measurement system comprising PC and power meter Mar. 18, 2008
7343535 Embedded testing capability for integrated serializer/deserializers Mar. 11, 2008
7340186 Discrimination phase margin monitor circuit, transmitting/receiving device and communication system Mar. 4, 2008
7339983 Apparatus and method for detecting a power ratio between a traffic channel and a pilot channel in a mobile communication system Mar. 4, 2008
7339982 Modular, jitter-tolerant data acquisition and processing systems Mar. 4, 2008
7336701 Method for implementing a communication transceiver impairment emulator Feb. 26, 2008
7331004 Data storage system analyzer having self reset Feb. 12, 2008
7330523 Estimating frequency offset Feb. 12, 2008
7330503 Signal generator with frequency offset unit in the base band Feb. 12, 2008
7324903 Method and apparatus for measuring signal quality using eye pattern Jan. 29, 2008
7324588 Apparatus, and associated method, for testing a mobile terminal in test conditions that emulate an operating environment Jan. 29, 2008
7321617 Data communication system with self-test feature Jan. 22, 2008
7319718 CQI coding method for HS-DPCCH Jan. 15, 2008
7315573 Channel monitoring for improved parameter selection in a communication system Jan. 1, 2008
7313179 Minimizing windowing effects in particular for signal recovery Dec. 25, 2007
7313178 Transceiver for receiving and transmitting data over a network and method for testing the same Dec. 25, 2007
7308004 Method and apparatus of multiplexing and demultiplexing communication signals Dec. 11, 2007
7298784 Reception method, reception apparatus and wireless transmission system using adaptive modulation scheme Nov. 20, 2007
7298396 Apparatus and method for monitoring transmission systems using embedded test signals Nov. 20, 2007
7292656 Signal pulse detection scheme for use in real-time spectrum analysis Nov. 6, 2007
7292651 Pilot-aided channel estimation for OFDM in wireless systems Nov. 6, 2007
7292628 Identification system for monitoring the presence / absence of members of a defined set Nov. 6, 2007
7292625 Downstream power calibration method on cable modem Nov. 6, 2007
7283790 Blind process and receiver to determine space-time parameters of a propagation channel Oct. 16, 2007
7280608 Real time dynamic correlator Oct. 9, 2007
7277512 Systems and methods for accounting for intercarrier interference in transmission systems Oct. 2, 2007
7277498 Mapping method of code word with QAM modulation Oct. 2, 2007
7277478 Method for transmitting data between a base station and a transponder Oct. 2, 2007
7275195 Programmable built-in self-test circuit for serializer/deserializer circuits and method Sep. 25, 2007
7272756 Exploitive test pattern apparatus and method Sep. 18, 2007
7272172 System and method for selectable mask for LDSL Sep. 18, 2007
7263376 Received communication signal processing methods and components for wireless communication equipment Aug. 28, 2007
7254755 On-chip receiver sensitivity test mechanism Aug. 7, 2007
7254191 System and method for real-time spectrum analysis in a radio device Aug. 7, 2007
7254167 Constellation-multiplexed transmitter and receiver Aug. 7, 2007
7248643 Distortion compensator Jul. 24, 2007
7248627 Method and apparatus for estimating the link quality of a communication channel Jul. 24, 2007
7246213 Data address security device and method Jul. 17, 2007
7245684 System and method for compensating for skew between a first clock signal and a second clock signal Jul. 17, 2007
7245657 Jitter resistance measuring instrument and method for enabling efficient measurement of jitter resistance characteristic and adequate evaluation Jul. 17, 2007
7236778 System and method for testing transceivers Jun. 26, 2007
7224752 System and method for real-time spectrum analysis in a communication device May. 29, 2007
7221703 System and method for synchronizing sample rates of voiceband channels and a DSL interface channel May. 22, 2007

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