H04K 1/02

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Class  H04K : SECRET COMMUNICATION; JAMMING OF COMMUNICATION


Subclass 1/02: Secret communication (ciphering or deciphering apparatus per se G09C ; systems with reduced bandwidth or suppressed carrier H04B 1/66 ; spread spectrum techniques H04B 1/69 ; by using a sub-carrier H04B 14/08 ; by multiplexing H04J ; transmission systems for secret digital information H04L 9/00 ; secret or subscription television systems H04N 7/16, H04N 21/00 ) by adding a second signal to make the desired signal unintelligible

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
12177004 Artificial multispectral metadata generatorNov 22, 22Dec 24, 24ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC
12143068 Envelope tracking system for dynamically adjusting gain compression of power amplifier in response to number of active resource blocks in channel bandwidth, associated envelope tracking method, and associated envelope tracking supply modulator circuitNov 22, 22Nov 12, 24MediaTek Inc.
12113558 Transmitter circuitJun 22, 20Oct 08, 24Telefonaktiebolaget LM Ericsson ( publ)
12057869 Apparatus and method for linearizing a transmission signalSep 07, 21Aug 06, 24STMicroelectronics S.r.l.
12058782 Programmable multi-waveform RF generator for use as battlefield decoyAug 17, 21Aug 06, 24KWESST INC.
12021571 Digital pre-distortion processing method and electronic deviceApr 29, 22Jun 25, 24VIVO MOBILE COMMUNICATION CO., LTD.
12003260 Antenna unit, transmission system and method for operating an antenna unitMay 14, 19Jun 04, 24MOLEX TECHNOLOGIES GMBH
11990949 Radio frequency signal integrity verificationAug 05, 22May 21, 24IBM Corporation
11863301 Signal processing deviceMar 15, 19Jan 02, 24Tamagawa Academy & University
11855825 IBOC compatible superposition modulation by independent modulators utilizing clipping noise from peak-to-average power reductionJun 23, 22Dec 26, 23NAUTEL LIMITED
11838038 Hardware optimization for 5G fractional bandwidth digital pre-distortionMay 03, 21Dec 05, 23QUALCOMM Incorporated
11757690 Transmitter, receiver and controlling method thereofJun 03, 22Sep 12, 23Samsung Electronics Co. Ltd.
11695424 Distortion reduction circuitNov 23, 21Jul 04, 23International Business Machine Corporation
11671059 Device and method for compensating for nonlinearity of power amplifierDec 20, 21Jun 06, 23Samsung Electronics Co. Ltd.
11658701 Systems and methods for ultra wideband impulse radio transceiversJun 17, 22May 23, 23Transfert Plus, Société En Commandite
11581918 Near field communications system having enhanced securityAug 08, 08Feb 14, 23FREELINC TECHNOLOGIES INC.
11582023 Wideband featureless rateless chaotic waveform generation methodJun 14, 21Feb 14, 23BAE Systems Information and Electronic Systems Integration Inc.
11569783 Symbol power tracking amplification system and a wireless communication device including the sameMay 28, 20Jan 31, 23Samsung Electronics Co. Ltd.
11552724 Artificial multispectral metadata generatorSep 16, 20Jan 10, 23Wells Fargo Bank, N.A.
11444656 Systems and methods for ultra wideband impulse radio transceiversJul 14, 21Sep 13, 22TRANSFERT PLUS SOCIETE EN COMMANDITE

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2024/0106,561 MULTI-TRANSMISSION ARTIFICIAL NOISE (AN) CANCELLATIONSep 16, 22Mar 28, 24Not available
2023/0078,254 SYSTEM AND METHOD FOR TRANSMITTING COVERT WIRELESS SIGNALS WITHIN AN OVERT WIRELESS SIGNAL TRANSMISSIONSep 15, 22Mar 16, 23Not available
2017/0149,522 METHOD AND SYSTEM FOR ACOUSTIC COMMUNICATIONJun 19, 15May 25, 17THALES
2015/0381,308 Securely Providing a Receiver Unit with a Replica Pseudo-Random Noise CodeJun 27, 15Dec 31, 15SIEMENS AKTIENGESELLSCHAFT
2012/0045,054 METHOD AND APPARATUS FOR DELIVERING WATERMARKED DIGITAL MEDIA CONTENT TO A USER UPON REQUESTJul 20, 11Feb 23, 12NAGRAVISION S.A.

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Patents Issued To Date - By Filing Year

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