| Patents for H04L 27 - Modulated-carrier systems (89,721) |
|---|
| 10/05/1993 | US5251236 Fractional rate modem with trellis |
| 10/05/1993 | US5251235 Single receiver for receiving wireless transmission of signals is for use with a serial two-conductor data bus |
| 10/05/1993 | US5251233 Apparatus and method for equalizing a corrupted signal in a receiver |
| 10/05/1993 | CA2010998C Data communications with alternation of signaling constellations |
| 10/05/1993 | CA2003763C Apparatus and method for providing digital audio in the fm broadcast band |
| 10/04/1993 | CA2093275A1 Device for demodulating digital signals that have been modulated by a technique using alternate modulation constellations |
| 09/30/1993 | WO1993019520A1 Method and apparatus for partial response demodulation |
| 09/30/1993 | WO1993019418A1 Method and apparatus for reduced-complexity viterbi-type sequence detectors |
| 09/30/1993 | DE4210265A1 Preparing digital FM signals for radio receiver - using control logic receiving frequency divided signal for controlling counter for reference oscillator clock pulses |
| 09/29/1993 | EP0562875A1 Multiresolution QAM system |
| 09/29/1993 | EP0562868A2 Method and apparatus for multiple access between transceivers in wireless communication using OFDM spread spectrum |
| 09/29/1993 | EP0562422A1 QAM receiver with means for detecting constellation size |
| 09/29/1993 | EP0538448A4 Superframes |
| 09/29/1993 | CN1076816A System of communication |
| 09/28/1993 | WO1993020633A1 Method and apparatus for modifying a decision-directed clock recovery system |
| 09/28/1993 | US5249204 Circuit and method for phase error correction in a digital receiver |
| 09/28/1993 | US5249203 Phase and gain error control system for use in an i/q direct conversion receiver |
| 09/28/1993 | US5249200 Device and method for combining precoding with symbol-rate spectral shaping |
| 09/27/1993 | WO1993019548A1 Apparatus for and method of synchronizing a clock signal |
| 09/27/1993 | WO1993019547A1 Phase adjustment method and apparatus for use in a clock recovery circuit |
| 09/27/1993 | WO1993019518A1 Phase compensation method and apparatus |
| 09/23/1993 | DE4208808A1 Broadband digital signal transmission from fixed station to mobiles - using phase offsets of individual sub-channels with carrier phase adjustment at each output of filter bank |
| 09/22/1993 | EP0561258A1 Method of generating CPM (continuous phase modulation) signals |
| 09/21/1993 | US5247544 Phase adjustment method and apparatus for use in a clock recovery circuit |
| 09/21/1993 | US5247543 Carrier aquisition apparatus for digital satellite communication system |
| 09/21/1993 | US5247542 QPSK power amplifier distortion correction system |
| 09/21/1993 | US5247541 Automatic equalizer for a data transmission channel |
| 09/21/1993 | CA2018855C Burst demodulator for establishing carrier and clock timing from a sequence of alternating symbols |
| 09/20/1993 | WO1993019519A1 Method and apparatus for estimating signal weighting parameters in a receiver |
| 09/16/1993 | WO1993018602A1 Radio transmitter with linearization training sequence |
| 09/16/1993 | WO1993018597A1 Binary phase shift keying modulation system or frequency multiplier |
| 09/16/1993 | WO1993018578A1 Direct digital synthesizer for modulation |
| 09/16/1993 | WO1993018197A1 Process for coating elongated materials with multiple layers |
| 09/16/1993 | DE4208577A1 Verfahren zum mehrlagigen beschichten von strangfoermigem gut A method for multilayer coating of strand form |
| 09/16/1993 | CA2131914A1 Process for coating elongated materials with multiple layers |
| 09/15/1993 | EP0560098A2 Method of generating multidimensional, Trellis-coded QAM signals |
| 09/15/1993 | EP0560071A2 Method of signalling |
| 09/14/1993 | US5245660 System for producing synchronized signals |
| 09/14/1993 | US5245633 System for transmitting digital data over an electricity power line |
| 09/14/1993 | US5245632 Synchronous FSK detection |
| 09/14/1993 | US5245631 Process and device for transmitting numerical data |
| 09/14/1993 | US5245611 Method and apparatus for providing carrier frequency offset compensation in a tdma communication system |
| 09/14/1993 | US5245300 Intermediate frequency filter having a ceramic filter |
| 09/07/1993 | US5243629 Multi-subcarrier modulation for hdtv transmission |
| 09/07/1993 | US5243627 Signal point interleaving technique |
| 09/07/1993 | US5243625 Receiver for multivalued digital signals |
| 09/07/1993 | US5243624 Method and apparatus for updating coefficients in a complex adaptive equalizer |
| 09/07/1993 | US5243428 Method and apparatus for concealing errors in a digital television |
| 09/07/1993 | US5243299 Variable speed asynchronous modem |
| 09/06/1993 | WO1993018601A1 Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a cdma cellular communications system |
| 09/01/1993 | EP0558118A2 Transmission system comprising receiver with improved timing means |
| 09/01/1993 | EP0558034A2 Digital demodulator for pi/4 - QPSK signals |
| 09/01/1993 | EP0557297A1 Method and apparatus for modulating and dectecting a subcarrier signal for an inductively coupled transponder |
| 08/31/1993 | US5241702 D.c. offset compensation in a radio receiver |
| 08/31/1993 | US5241567 Circuit for demodulating psk modulation signals |
| 08/31/1993 | US5241566 Full duplex FSK system |
| 08/31/1993 | US5241545 Apparatus and method for recovering a time-varying signal using multiple sampling points |
| 08/31/1993 | US5241544 Multi-channel tdm communication system slot phase correction |
| 08/26/1993 | DE4243984A1 Telefax or colour television image coding system |
| 08/26/1993 | DE4237547A1 Telefax or colour television image coding system |
| 08/25/1993 | EP0556807A2 Carrier recovery method for mobile communications |
| 08/25/1993 | EP0556544A1 Circuit arrangement for connecting a speech or data terminal to a communications line |
| 08/25/1993 | EP0556353A1 Phase locked loop frequency synthesizer with dc data modulation capability |
| 08/24/1993 | US5239309 Ultra wideband radar employing synthesized short pulses |
| 08/19/1993 | WO1993016537A1 High speed modem systems incorporating distribution preserving tomlinson encoding and decoding for secondary channels |
| 08/19/1993 | CA2129030A1 High speed modem systems incorporating distribution preserving tomlinson encoding and decoding for secondary channels |
| 08/18/1993 | EP0555348A1 Optimal demodulator using maximum a posteriori probability estimation |
| 08/18/1993 | EP0555289A1 Channel equalisation in particular for fading channels. |
| 08/17/1993 | US5237324 System and method for producing baseband analog modulation signals |
| 08/17/1993 | US5237292 Quadrature amplitude modulation system with compensation for transmission system characteristics |
| 08/17/1993 | US5237287 Demodulating method and apparatus particularly for demodulating a differential phase-shift keying signal |
| 08/11/1993 | EP0486667A4 Communication signal having a time domain pilot component |
| 08/11/1993 | EP0476129A4 Communication system |
| 08/10/1993 | US5235619 Cable television radio frequency subscriber data transmission apparatus and rf return method |
| 08/10/1993 | US5235612 Method and apparatus for cancelling spread-spectrum noise |
| 08/10/1993 | US5235326 Multi-mode identification system |
| 08/05/1993 | WO1993015552A1 Modem including an equalizer for amplitude jitter |
| 08/05/1993 | WO1993015551A1 Variable speed asynchronous modem |
| 08/05/1993 | CA2126342A1 Variable speed asynchronous modem |
| 08/04/1993 | EP0554056A2 Frequency division multipplexed transmission of synchronous and start-stop data |
| 08/04/1993 | EP0554036A2 Sampling clock generator for digital demodulator |
| 08/04/1993 | EP0553995A1 Synchronization scheme for a digital communications system |
| 08/04/1993 | EP0553841A2 Method and apparatus for digital signal transmission using orthogonal frequency division multiplexing |
| 08/04/1993 | EP0553289A1 Digital audio broadcasting system |
| 08/04/1993 | EP0542894A4 Novel spread spectrum codec apparatus and method |
| 08/04/1993 | EP0532504A4 Cable television radio frequency data processor |
| 08/03/1993 | US5233635 Receiving method and receiver for discrete signals |
| 08/03/1993 | US5233631 Device for recovering a carrier wave provided with a circuit for inhibiting dummy frequency acquisitions |
| 08/03/1993 | US5233630 Method and apparatus for resolving phase ambiguities in trellis coded modulated data |
| 08/03/1993 | US5233629 Method and apparatus for communicating digital data using trellis coded qam |
| 08/03/1993 | US5233627 Multimode modem for facsimile |
| 08/03/1993 | US5233479 Apparatus for demodulating and decoding multi-level amplitude modulation signal conveying digital data |
| 08/03/1993 | US5233349 Signal transmission system |
| 08/03/1993 | CA1321014C High definition television augmentation channel |
| 07/28/1993 | EP0552693A2 Method and system for controlling the minimal distance between successive errors in digital radio transmission |
| 07/28/1993 | EP0552692A1 System for synchronizing mutually interfering signals in digital radio transmissions with frequency re-use |
| 07/27/1993 | US5231647 Modem comprising saw filters having opposite bassband delay characteristics |
| 07/27/1993 | US5231639 Frame step-out detecting method for data transmission and system thereof |
| 07/27/1993 | US5231397 Extreme waveform coding |
| 07/27/1993 | CA2024353C Volterra linearizer for digital transmission |