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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:

Patent Number Title Of Patent Date Issued
8315296 Method for testing a radio frequency (RF) receiver and related methods Nov. 20, 2012
8315295 Method and apparatus for designing modulation and coding set of communication system Nov. 20, 2012
8311776 Methods, systems and computer program products for throughput-testing of electronic data systems Nov. 13, 2012
8311087 Methods and apparatus for monitoring voice quality on a wireless communication device Nov. 13, 2012
8311086 CATV digital receiver intermodulation susceptibility tester Nov. 13, 2012
8310940 Testing upstream cable channels Nov. 13, 2012
8306100 Test circuit capable of masking data at read operation and method for controlling the same Nov. 6, 2012
8306099 Signal receiving device and frequency determining circuit Nov. 6, 2012
8306098 Method for error display of orthogonal signals Nov. 6, 2012
8306097 Signal suspension and resumption in DSL systems Nov. 6, 2012
8302054 Retiming of multirate system Oct. 30, 2012
8300682 Signal processing system, filter device and signal processing method Oct. 30, 2012
8300519 Method and device for crosstalk evaluation and communication system comprising such device Oct. 30, 2012
8299805 Evaluation device and evaluation system evaluating whether a required output is made from the device to be evaluated Oct. 30, 2012
8295386 Nonlinear filter and transmission circuit Oct. 23, 2012
8295337 Digital diagnostics parameter storage Oct. 23, 2012
8295192 Arrangement and method relating to digital subscribe lines Oct. 23, 2012
8294604 Test system and method for analog-to-digital converter Oct. 23, 2012
8290102 Adaptive data dependent noise prediction (ADDNP) Oct. 16, 2012
8290094 Methods and systems for measuring data pulses Oct. 16, 2012
8290032 Distortion identification apparatus, test system, recording medium and distortion identification method Oct. 16, 2012
8290031 Arrangements and methods for providing compensation for non-idealities of components in communications systems Oct. 16, 2012
8289028 Wireless communication device Oct. 16, 2012
8284886 Radio frequency built-in self test for quality monitoring of local oscillator and transmitter Oct. 9, 2012
8284824 On-Chip IQ imbalance and LO leakage calibration for transceivers Oct. 9, 2012
8275025 Methods and apparatus for pseudo asynchronous testing of receive path in serializer/deserializer devices Sep. 25, 2012
8271852 Data recovery scheme Sep. 18, 2012
8271842 Reducing harq retransmissions using peak power management techniques Sep. 18, 2012
8271231 Computer device configuration system and method Sep. 18, 2012
8270459 Standalone testing of a receiver Sep. 18, 2012
8270458 Tunable filter for tone detection Sep. 18, 2012
8270393 Method for shaping spectrum of output signal, and a remote access device Sep. 18, 2012
8265630 Antenna adaptation to manage the active set to manipulate soft hand-off regions Sep. 11, 2012
8259830 Simultaneous use of multiple radio frequency channels Sep. 4, 2012
8259829 Method for estimating the time of arrival in ultra wideband systems Sep. 4, 2012
8254481 Simultaneous use of multiple radio frequency channels Aug. 28, 2012
8254472 Communication device and communication system Aug. 28, 2012
8249448 System and method of blocking an electrical signal transmission Aug. 21, 2012
8249136 Adaptive frequency selective baseband communications method using orthogonal codes Aug. 21, 2012
8234540 Error correcting code protected quasi-static bit communication on a high-speed bus Jul. 31, 2012
8229029 Transmitter with reduced spectral regrowth and associated methods Jul. 24, 2012
8229028 Apparatus for measuring IQ imbalance Jul. 24, 2012
8229021 Data transmission system and data transmission method Jul. 24, 2012
8228973 Communication system, communication method for the same and mobile station and base station used for the same Jul. 24, 2012
8223826 Measuring noise power at wireless receivers using pilot symbol information Jul. 17, 2012
8223825 Method and computer program for estimating signal quality value, and signal quality estimator, receiver and communication apparatus Jul. 17, 2012
8219078 Method and apparatus for multi-user multi-input multi-output transmission Jul. 10, 2012
8219076 CDMA probe for self-testing base station receivers Jul. 10, 2012
8218611 Signal generator providing ISI scaling to touchstone files Jul. 10, 2012
8213577 Phone test set modem Jul. 3, 2012

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