Heterodyne , i.e., coherent receivers where, after the opto-electronic conversion, an electrical signal at an intermediate frequency [fIF] is obtained

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Parent Industries

HELECTRICITY H04Electric communication H04BTRANSMISSION H04B10/00Transmission systems employing electromagnetic waves other than radio-waves

Current Industry

H04B10/64Heterodyne , i.e., coherent receivers where, after the opto-electronic conversion, an electrical signal at an intermediate frequency [fIF] is obtained

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Patents Grantslast 30 patents

Information Patent Grant
Optical wireless apparatus and method for creating information memo...
- Patent number 12,212,368
- Issue date Jan 28, 2025
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- René Kirrbach
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical receiver and optical receiving method
- Patent number 12,166,532
- Issue date Dec 10, 2024
- Nippon Telegraph and Telephone Corporation
- Masamichi Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems, devices, and methods for secure communications
- Patent number 12,149,286
- Issue date Nov 19, 2024
- Arnouse Digital Devices Corp.
- Michael Arnouse
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication systems and methods
- Patent number 12,068,785
- Issue date Aug 20, 2024
- Cable Television Laboratories, Inc.
- Zhensheng Jia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network communications systems and methods
- Patent number 12,028,112
- Issue date Jul 2, 2024
- Cable Television Laboratories, Inc.
- Luis Alberto Campos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phased-array radio frequency receiver
- Patent number 12,021,565
- Issue date Jun 25, 2024
- Phase Sensitive Innovations, Inc.
- Chris Schuetz
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication systems and methods
- Patent number 11,996,893
- Issue date May 28, 2024
- Cable Television Laboratories, Inc.
- Junwen Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Redundant transmission and receive elements for high-bandwidth comm...
- Patent number 11,916,603
- Issue date Feb 27, 2024
- Fathom Radiant, PBC
- Keith Behrman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network communications systems and methods
- Patent number 11,855,696
- Issue date Dec 26, 2023
- Cable Television Laboratories, Inc.
- Luis Alberto Campos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical coherent transceiver and filter adjustment method
- Patent number 11,855,703
- Issue date Dec 26, 2023
- Fujitsu Limited
- Norifumi Shukunami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization-diversity Kramers-Kronig heterodyne receiver and method
- Patent number 11,695,482
- Issue date Jul 4, 2023
- Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
- Carsten Schmidt-Langhorst
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitters and receivers
- Patent number 11,695,479
- Issue date Jul 4, 2023
- Consorzio Nazionale Interuniversitario Per Le Telecomunicazioni
- Andrea C. Ferrari
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication systems and methods
- Patent number 11,689,290
- Issue date Jun 27, 2023
- Cable Television Laboratories, Inc.
- Zhensheng Jia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network communications systems and methods
- Patent number 11,683,097
- Issue date Jun 20, 2023
- Cable Television Laboratories, Inc.
- Luis Alberto Campos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless content distribution
- Patent number 11,671,183
- Issue date Jun 6, 2023
- BLUEBOX AVIATION SYSTEMS LTD
- James Macrae
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical signal transmission system and optical signal transmission...
- Patent number 11,652,553
- Issue date May 16, 2023
- Huawei Technologies Co., Ltd.
- Xu Zhou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Analog front-end module of ultra-wideband optical receiver
- Patent number 11,646,801
- Issue date May 9, 2023
- Huazhong University of Science & Technology
- Xiaojun Bi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fiber communication systems and methods
- Patent number 11,632,178
- Issue date Apr 18, 2023
- Cable Television Laboratories, Inc.
- Zhensheng Jia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for processing a subcarrier-multiplexed signal
- Patent number 11,621,794
- Issue date Apr 4, 2023
- Huawei Technologies Co., Ltd.
- Chuandong Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission/reception device and transmission/reception method
- Patent number 11,606,161
- Issue date Mar 14, 2023
- Mitsubishi Electric Corporation
- Kiyoshi Onohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Leveraging coherent detection to measure performance of optical tra...
- Patent number 11,601,204
- Issue date Mar 7, 2023
- Cisco Technology, Inc.
- Fabio Bottoni
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Coherent detection implementing apparatus, system and method
- Patent number 11,569,916
- Issue date Jan 31, 2023
- ZTE Corporation
- Zhijuan Tu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fiber communication systems and methods
- Patent number 11,546,061
- Issue date Jan 3, 2023
- Cable Television Laboratories, Inc.
- Junwen Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Time division quadrature homodyne CV QKD system
- Patent number 11,546,147
- Issue date Jan 3, 2023
- Korea Advanced Institute of Science and Technology
- June-Koo Rhee
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitting an optical signal including heterodyne combinations
- Patent number 11,533,110
- Issue date Dec 20, 2022
- Hewlett Packard Enterprise Development LP
- Mir Ashkan Seyedi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Phased-array radio frequency receiver
- Patent number 11,515,945
- Issue date Nov 29, 2022
- Phase Sensitive Innovations, Inc.
- Chris Schuetz
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Microwave photonic links and methods of forming the same
- Patent number 11,480,845
- Issue date Oct 25, 2022
- The Government of the United States of America, as represented by the Secreta...
- Bryan Haas
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fiber communication systems and methods
- Patent number 11,469,825
- Issue date Oct 11, 2022
- Cable Television Laboratories, Inc.
- Chuang Zhou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device for measuring optical frequency reflection and measurement m...
- Patent number 11,463,163
- Issue date Oct 4, 2022
- Nippon Telegraph and Telephone Corporation
- Tatsuya Okamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key generation device and method
- Patent number 11,444,758
- Issue date Sep 13, 2022
- Huawei Technologies Co., Ltd.
- Zhengyu Li
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DEVICE, OPTICAL RECEIVER, AND OPTICAL TRANSCEIVER
- Publication number 20250062831
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- FUJITSU OPTICAL COMPONENTS LIMITED
- Masaki Sugiyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LASER PHASE NOISE CONTROL SYSTEMS AND METHODS
- Publication number 20240372312
- Publication date Nov 7, 2024
- Quantinuum LLC
- Bruce Tiemann
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Phased-Array Radio Frequency Receiver
- Publication number 20240333393
- Publication date Oct 3, 2024
- Phase Sensitive Innovations, Inc
- Chris Schuetz
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
APPARATUS AND METHOD FOR POLARIZATION CONTROL IN COHERENT OPTICAL R...
- Publication number 20240291572
- Publication date Aug 29, 2024
- ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
- Sang Rok MOON
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMPROVEMENTS TO NETWORK SYNCHRONIZATION
- Publication number 20240178922
- Publication date May 30, 2024
- British Telecommunications public limited company
- Marco MENCHETTI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REAL-TIME VECTOR ANALYSIS METHOD AND DEVICE FOR DETECTING OPTICAL S...
- Publication number 20240129043
- Publication date Apr 18, 2024
- HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
- Chi ZHANG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEMS AND METHODS
- Publication number 20230361879
- Publication date Nov 9, 2023
- Junwen Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK COMMUNICATIONS SYSTEMS AND METHODS
- Publication number 20230353248
- Publication date Nov 2, 2023
- Cable Television Laboratories, Inc.
- Luis Alberto Campos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION SYSTEMS AND METHODS
- Publication number 20230336247
- Publication date Oct 19, 2023
- CABLE TELEVISION LABORATORIES, INC.
- Zhensheng Jia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Redundant Transmission and Receive Elements For High-Bandwidth Comm...
- Publication number 20230327781
- Publication date Oct 12, 2023
- Fathom Radiant, PBC
- Keith Behrman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTER AND FREQUENCY CONTROL METHOD IN OPTICAL TRANSMI...
- Publication number 20230318713
- Publication date Oct 5, 2023
- Nippon Telegraph and Telephone Corporation
- Ryo IGARASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FIBER COMMUNICATION SYSTEMS AND METHODS
- Publication number 20230246716
- Publication date Aug 3, 2023
- Cable Television Laboratories, Inc.
- Zhensheng Jia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL RECEIVER AND OPTICAL RECEIVING METHOD
- Publication number 20230208530
- Publication date Jun 29, 2023
- Nippon Telegraph and Telephone Corporation
- Masamichi FUJIWARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PHASED-ARRAY RADIO FREQUENCY RECEIVER
- Publication number 20230109253
- Publication date Apr 6, 2023
- Phase Sensitive Innovations, Inc
- Chris Schuetz
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL COHERENT TRANSCEIVER AND FILTER ADJUSTMENT METHOD
- Publication number 20230045731
- Publication date Feb 9, 2023
- Fujitsu Limited
- Norifumi SHUKUNAMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LEVERAGING COHERENT DETECTION TO MEASURE PERFORMANCE OF OPTICAL TRA...
- Publication number 20230013373
- Publication date Jan 19, 2023
- Cisco Technology, Inc.
- Fabio Bottoni
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK COMMUNICATIONS SYSTEMS AND METHODS
- Publication number 20220352986
- Publication date Nov 3, 2022
- Cable Television Laboratories, Inc.
- Luis Alberto Campos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL WIRELESS APPARATUS AND METHOD FOR CREATING INFORMATION MEMO...
- Publication number 20220271845
- Publication date Aug 25, 2022
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- René KIRRBACH
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL COMMUNICATION SYSTEMS AND METHODS
- Publication number 20220239377
- Publication date Jul 28, 2022
- Cable Television Laboratories, Inc.
- Zhensheng Jia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ULTRA-LOW PHASE NOISE MILLIMETER-WAVE OSCILLATOR AND METHODS TO CHA...
- Publication number 20220221583
- Publication date Jul 14, 2022
- IMRA America, Inc.
- Antoine Jean Gilbert Rolland
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS CONTENT DISTRIBUTION
- Publication number 20220158744
- Publication date May 19, 2022
- Bluebox Aviation Systems Ltd
- James Macrae
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION/RECEPTION DEVICE AND TRANSMISSION/RECEPTION METHOD
- Publication number 20220158748
- Publication date May 19, 2022
- Mitsubishi Electric Corporation
- Kiyoshi ONOHARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMITTERS AND RECEIVERS
- Publication number 20220149946
- Publication date May 12, 2022
- CAMBRIDGE ENTERPRISE LIMITED
- Andrea C. FERRARI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK COMMUNICATIONS SYSTEMS AND METHODS
- Publication number 20220123839
- Publication date Apr 21, 2022
- Cable Television Laboratories, Inc.
- Luis Alberto Campos
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POLARIZATION-DIVERSITY KRAMERS-KRONIG HETERODYNE RECEIVER AND METHOD
- Publication number 20220094439
- Publication date Mar 24, 2022
- FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
- Carsten SCHMIDT-LANGHORST
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Coherent Optical Receiving Apparatus and Optical Signal Demodulatio...
- Publication number 20210367679
- Publication date Nov 25, 2021
- Huawei Technologies Co., Ltd
- Ping Zhao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FREQUENCY AGILE MICROWAVE RADIOMETER, HYPERSPECTRAL MICROWAVE RADIO...
- Publication number 20210367678
- Publication date Nov 25, 2021
- Phase Sensitive Innovations, Inc
- Tom Dillon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FIBER COMMUNICATION SYSTEMS AND METHODS
- Publication number 20210367676
- Publication date Nov 25, 2021
- Cable Television Laboratories, Inc.
- Chuang Zhou
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SIGNAL TRANSMISSION SYSTEM AND OPTICAL SIGNAL TRANSMISSION...
- Publication number 20210344425
- Publication date Nov 4, 2021
- Huawei Technologies Co., Ltd
- Xu ZHOU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FIBER COMMUNICATION SYSTEMS AND METHODS
- Publication number 20210336703
- Publication date Oct 28, 2021
- Cable Television Laboratories, Inc.
- Zhensheng Jia
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Heterodyne , i.e., coherent receivers where, after the opto-electronic conversion, an electrical signal at an intermediate frequency [fIF] is obtained

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Optical wireless apparatus and method for creating information memo...

Optical receiver and optical receiving method

Systems, devices, and methods for secure communications

Optical communication systems and methods

Network communications systems and methods

Phased-array radio frequency receiver

Communication systems and methods

Redundant transmission and receive elements for high-bandwidth comm...

Network communications systems and methods

Optical coherent transceiver and filter adjustment method

Polarization-diversity Kramers-Kronig heterodyne receiver and method

Transmitters and receivers

Optical communication systems and methods

Network communications systems and methods

Wireless content distribution

Optical signal transmission system and optical signal transmission...

Analog front-end module of ultra-wideband optical receiver

Fiber communication systems and methods

Systems and methods for processing a subcarrier-multiplexed signal

Transmission/reception device and transmission/reception method

Leveraging coherent detection to measure performance of optical tra...

Coherent detection implementing apparatus, system and method

Fiber communication systems and methods

Time division quadrature homodyne CV QKD system

Transmitting an optical signal including heterodyne combinations

Phased-array radio frequency receiver

Microwave photonic links and methods of forming the same

Fiber communication systems and methods

Device for measuring optical frequency reflection and measurement m...

Key generation device and method

Patents Applicationslast 30 patents

OPTICAL DEVICE, OPTICAL RECEIVER, AND OPTICAL TRANSCEIVER

LASER PHASE NOISE CONTROL SYSTEMS AND METHODS

Phased-Array Radio Frequency Receiver

APPARATUS AND METHOD FOR POLARIZATION CONTROL IN COHERENT OPTICAL R...

IMPROVEMENTS TO NETWORK SYNCHRONIZATION

REAL-TIME VECTOR ANALYSIS METHOD AND DEVICE FOR DETECTING OPTICAL S...

COMMUNICATION SYSTEMS AND METHODS

NETWORK COMMUNICATIONS SYSTEMS AND METHODS

OPTICAL COMMUNICATION SYSTEMS AND METHODS

Redundant Transmission and Receive Elements For High-Bandwidth Comm...

OPTICAL TRANSMITTER AND FREQUENCY CONTROL METHOD IN OPTICAL TRANSMI...

FIBER COMMUNICATION SYSTEMS AND METHODS

OPTICAL RECEIVER AND OPTICAL RECEIVING METHOD

PHASED-ARRAY RADIO FREQUENCY RECEIVER

OPTICAL COHERENT TRANSCEIVER AND FILTER ADJUSTMENT METHOD

LEVERAGING COHERENT DETECTION TO MEASURE PERFORMANCE OF OPTICAL TRA...

NETWORK COMMUNICATIONS SYSTEMS AND METHODS

OPTICAL WIRELESS APPARATUS AND METHOD FOR CREATING INFORMATION MEMO...

OPTICAL COMMUNICATION SYSTEMS AND METHODS

ULTRA-LOW PHASE NOISE MILLIMETER-WAVE OSCILLATOR AND METHODS TO CHA...

WIRELESS CONTENT DISTRIBUTION

TRANSMISSION/RECEPTION DEVICE AND TRANSMISSION/RECEPTION METHOD

TRANSMITTERS AND RECEIVERS

NETWORK COMMUNICATIONS SYSTEMS AND METHODS

POLARIZATION-DIVERSITY KRAMERS-KRONIG HETERODYNE RECEIVER AND METHOD

Coherent Optical Receiving Apparatus and Optical Signal Demodulatio...

FREQUENCY AGILE MICROWAVE RADIOMETER, HYPERSPECTRAL MICROWAVE RADIO...

FIBER COMMUNICATION SYSTEMS AND METHODS

OPTICAL SIGNAL TRANSMISSION SYSTEM AND OPTICAL SIGNAL TRANSMISSION...

FIBER COMMUNICATION SYSTEMS AND METHODS