GB2572886B - A receiving system - Google Patents

A receiving system

Info

Publication number
GB2572886B
GB2572886B GB1909024.0A GB201909024A GB2572886B GB 2572886 B GB2572886 B GB 2572886B GB 201909024 A GB201909024 A GB 201909024A GB 2572886 B GB2572886 B GB 2572886B
Authority
GB
United Kingdom
Prior art keywords
receiving system
receiving
system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB1909024.0A
Other versions
GB2572886A (en
GB201909024D0 (en
Inventor
Richard Marie Wloczysiak Stephane
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Skyworks Solutions Inc
Original Assignee
Skyworks Solutions Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to US201462073040P priority Critical
Priority to US201462073039P priority
Priority to US201462073043P priority
Priority to US14/727,739 priority patent/US9893752B2/en
Priority to US14/734,775 priority patent/US9571037B2/en
Priority to US14/734,759 priority patent/US9385765B2/en
Priority to GB1519072.1A priority patent/GB2536087A/en
Application filed by Skyworks Solutions Inc filed Critical Skyworks Solutions Inc
Publication of GB201909024D0 publication Critical patent/GB201909024D0/en
Publication of GB2572886A publication Critical patent/GB2572886A/en
Application granted granted Critical
Publication of GB2572886B publication Critical patent/GB2572886B/en
Application status is Active legal-status Critical
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/16Circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0837Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0805Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/26Modifications of amplifiers to reduce influence of noise generated by amplifying elements
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189High frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19High frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H03F3/245Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/0057Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0064Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with separate antennas for the more than one band
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/10Means associated with receiver for limiting or suppressing noise or interference induced by transmission
    • H04B1/12Neutralising, balancing, or compensation arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/18Input circuits, e.g. for coupling to an antenna or a transmission line
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0825Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with main and with auxiliary or diversity antennas
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/111Indexing scheme relating to amplifiers the amplifier being a dual or triple band amplifier, e.g. 900 and 1800 MHz, e.g. switched or not switched, simultaneously or not
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/294Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/451Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2203/00Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/72Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H03F2203/7209Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched from a first band to a second band
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
GB1909024.0A 2014-10-31 2015-10-28 A receiving system Active GB2572886B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US201462073040P true 2014-10-31 2014-10-31
US201462073039P true 2014-10-31 2014-10-31
US201462073043P true 2014-10-31 2014-10-31
US14/727,739 US9893752B2 (en) 2014-10-31 2015-06-01 Diversity receiver front end system with variable-gain amplifiers
US14/734,759 US9385765B2 (en) 2014-10-31 2015-06-09 Diversity receiver front end system with phase-shifting components
US14/734,775 US9571037B2 (en) 2014-10-31 2015-06-09 Diversity receiver front end system with impedance matching components
GB1519072.1A GB2536087A (en) 2014-10-31 2015-10-28 Diversity receiver front end system with impedance matching components

Publications (3)

Publication Number Publication Date
GB201909024D0 GB201909024D0 (en) 2019-08-07
GB2572886A GB2572886A (en) 2019-10-16
GB2572886B true GB2572886B (en) 2020-01-08

Family

ID=55886963

Family Applications (3)

Application Number Title Priority Date Filing Date
GB1909024.0A Active GB2572886B (en) 2014-10-31 2015-10-28 A receiving system
GB1909000.0A Pending GB2572881A (en) 2014-10-31 2015-10-28 Diversity receiver front end system with phase-shifting components
GB1909001.8A Active GB2572882B (en) 2014-10-31 2015-10-28 A receiving system

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB1909000.0A Pending GB2572881A (en) 2014-10-31 2015-10-28 Diversity receiver front end system with phase-shifting components
GB1909001.8A Active GB2572882B (en) 2014-10-31 2015-10-28 A receiving system

Country Status (7)

Country Link
JP (7) JP6029728B2 (en)
KR (2) KR101710961B1 (en)
CN (3) CN107147403B (en)
GB (3) GB2572886B (en)
HK (2) HK1223203A1 (en)
SG (4) SG10201609056PA (en)
TW (3) TWI581580B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106714183A (en) * 2017-01-20 2017-05-24 安徽大学 Privacy protecting heterogeneous spectrum allocation method
WO2018180648A1 (en) * 2017-03-31 2018-10-04 株式会社村田製作所 Multiplexer, high-frequency front-end circuit, and communication device
WO2019190543A1 (en) * 2018-03-30 2019-10-03 Mohammed Alam Low-noise amplifier supporting multicarrier operations
CN108965533A (en) * 2018-07-23 2018-12-07 Oppo广东移动通信有限公司 Radio frequency system, antenna switching control method and Related product
CN108988903A (en) * 2018-07-23 2018-12-11 Oppo广东移动通信有限公司 Radio frequency system, antenna switching control method and Related product

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2736175A1 (en) * 2012-07-11 2014-05-28 Ntt Docomo, Inc. Front-end circuit, impedance adjustment method

Family Cites Families (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4177427A (en) * 1978-04-03 1979-12-04 General Dynamics Corporation Phase-normalized parallel tuned receiver channel system
JPH0630347A (en) * 1992-07-09 1994-02-04 Nippon Sheet Glass Co Ltd On-vehicle tv antenna system
JP3690889B2 (en) * 1996-06-10 2005-08-31 松下電器産業株式会社 Receiver circuit
JP2001217624A (en) * 2000-01-31 2001-08-10 Denso Corp Radio communication device
JP4532825B2 (en) * 2000-11-01 2010-08-25 日立金属株式会社 High frequency switch module
US6973183B1 (en) * 2001-03-01 2005-12-06 Garcia John D Method and apparatus for dynamically matching impedance
JP2003133982A (en) * 2001-10-24 2003-05-09 Fujitsu Ten Ltd Antenna system for multiple frequency bands
JP3891096B2 (en) * 2001-12-28 2007-03-07 株式会社村田製作所 Signal receiving circuit and communication device including the same
KR100677296B1 (en) * 2002-03-27 2007-02-05 엘지전자 주식회사 Diversity receiver
US7158586B2 (en) * 2002-05-03 2007-01-02 Atheros Communications, Inc. Systems and methods to provide wideband magnitude and phase imbalance calibration and compensation in quadrature receivers
EP2521272B1 (en) * 2002-06-24 2014-01-01 Broadcom Corporation Reduced-complexity antenna system using multiplexed receive chain processing
JP4467233B2 (en) * 2002-12-24 2010-05-26 日立情報通信エンジニアリング株式会社 Phase adjustment device, phase adjustment method, and skew correction device for high-speed parallel signal
KR20040100056A (en) * 2003-05-21 2004-12-02 삼성탈레스 주식회사 Front end amplifier of a wireless receiver adapted for frequency hopping
KR100969139B1 (en) * 2003-09-01 2010-07-08 엘지이노텍 주식회사 Dual band duplexer circuit
JP2005311762A (en) * 2004-04-22 2005-11-04 Matsushita Electric Ind Co Ltd Variable matching circuit
US8254306B2 (en) * 2004-10-06 2012-08-28 Broadcom Corporation Method and system for implementing a single weight spatial multiplexing (SM) MIMO system
US7586886B2 (en) * 2004-10-06 2009-09-08 Broadcom Corporation Method and system for single weight antenna system for HSDPA
US7548787B2 (en) * 2005-08-03 2009-06-16 Kamilo Feher Medical diagnostic and communication system
DE102006039357B4 (en) * 2005-09-12 2018-06-28 Heinz Lindenmeier Antenna diversity system for radio reception for vehicles
US7650173B2 (en) * 2005-10-06 2010-01-19 Flextronics Ap, Llc Combined antenna module with single output
US20070218856A1 (en) * 2006-03-17 2007-09-20 Sami Vilhonen Receiver, transceiver and receiving method
FR2915321B1 (en) * 2007-04-19 2011-02-25 Composants Electr Soc D Multiband antenna comprising a dielectric bracket, an air, and an electronic circuit supported by the support.
JP4996406B2 (en) * 2007-09-25 2012-08-08 株式会社東芝 Amplifier, radio transmitter and radio receiver
WO2009046228A1 (en) * 2007-10-02 2009-04-09 Intelligent Wireless Products, Inc. Multiplexed multi-band signal amplification
US8260347B2 (en) * 2008-05-20 2012-09-04 Intel Mobile Communications GmbH Radio frequency communication devices and methods
KR100998170B1 (en) * 2008-12-19 2010-12-03 한국과학기술원 Isolator for maintaing high isolation characteristic and communication having the same
US8175541B2 (en) * 2009-02-06 2012-05-08 Rfaxis, Inc. Radio frequency transceiver front end circuit
US8314653B1 (en) * 2009-02-18 2012-11-20 Rf Micro Devices, Inc. Using degeneration in an active tunable low-noise radio frequency bandpass filter
US9154178B2 (en) * 2010-05-17 2015-10-06 Tyco Electronics Services Gmbh Duplexer with enhanced isolation
JP2012019307A (en) * 2010-07-07 2012-01-26 Hitachi Consumer Electronics Co Ltd Receiver and transmitter receiver
CN101917166B (en) * 2010-07-28 2012-09-19 锐迪科创微电子(北京)有限公司 Configurable radio-frequency power amplifier and radio-frequency transmitting front-end module with same
CN103155431B (en) * 2010-08-26 2015-08-19 维斯普瑞公司 Tunable radio front end and method
JP2012085092A (en) * 2010-10-12 2012-04-26 Panasonic Corp Wireless device
EP2445113B1 (en) * 2010-10-22 2016-08-31 ST-Ericsson SA Reconfigurable wide-band radio receiver with positive feed-back translational loop
GB2485543B (en) * 2010-11-17 2014-03-12 Socowave Technologies Ltd Mimo antenna calibration device,integrated circuit and method for compensating phase mismatch
KR101715403B1 (en) * 2010-12-31 2017-03-22 엘지이노텍 주식회사 Multimode wireless modem
US9002309B2 (en) * 2011-05-27 2015-04-07 Qualcomm Incorporated Tunable multi-band receiver
US9882602B2 (en) * 2011-06-29 2018-01-30 Qualcomm Incorporated Global navigation satellite system receiver with filter bypass mode for improved sensitivity
US20130016633A1 (en) * 2011-07-14 2013-01-17 Lum Nicholas W Wireless Circuitry for Simultaneously Receiving Radio-frequency Transmissions in Different Frequency Bands
EP2552017B1 (en) * 2011-07-26 2018-03-07 Oticon A/s A method of diminishing the minimum range of operation of a communication link
US20130043946A1 (en) * 2011-08-16 2013-02-21 Qualcomm Incorporated Low noise amplifiers with combined outputs
US8975981B2 (en) * 2011-09-13 2015-03-10 Qualcomm Incorporated Impedance matching circuits with multiple configurations
US8824976B2 (en) * 2012-04-11 2014-09-02 Qualcomm Incorporated Devices for switching an antenna
CN102664687B (en) * 2012-04-19 2014-01-29 哈尔滨工程大学 CHIRP-OFDM system frequency domain diversity receiving method
GB2526197A (en) * 2014-04-11 2015-11-18 Skyworks Solutions Inc Circuits and methods related to radio-frequency receivers having carrier aggregation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2736175A1 (en) * 2012-07-11 2014-05-28 Ntt Docomo, Inc. Front-end circuit, impedance adjustment method

Also Published As

Publication number Publication date
TWI611673B (en) 2018-01-11
JP2017092952A (en) 2017-05-25
SG10201609056PA (en) 2016-12-29
TWI580207B (en) 2017-04-21
JP6526365B1 (en) 2019-06-05
CN105577206A (en) 2016-05-11
KR20160052359A (en) 2016-05-12
JP2019092178A (en) 2019-06-13
CN105577257A (en) 2016-05-11
KR20160051636A (en) 2016-05-11
TWI581580B (en) 2017-05-01
JP2016103819A (en) 2016-06-02
SG10201508952RA (en) 2016-05-30
KR101737231B1 (en) 2017-05-18
GB2572882B (en) 2020-01-08
CN107147403B (en) 2019-06-21
JP2018061252A (en) 2018-04-12
JP2016092828A (en) 2016-05-23
GB2572881A (en) 2019-10-16
HK1223203A1 (en) 2017-07-21
TW201701600A (en) 2017-01-01
CN105577257B (en) 2019-04-05
GB2572886A (en) 2019-10-16
HK1223204A1 (en) 2017-07-21
JP2019165476A (en) 2019-09-26
JP6525935B2 (en) 2019-06-05
TW201630367A (en) 2016-08-16
SG10201609086TA (en) 2016-12-29
JP6470373B2 (en) 2019-02-13
JP2019165477A (en) 2019-09-26
JP6625257B2 (en) 2019-12-25
GB201909000D0 (en) 2019-08-07
GB201909001D0 (en) 2019-08-07
CN107147403A (en) 2017-09-08
SG10201508954PA (en) 2016-05-30
JP6029728B2 (en) 2016-11-24
KR101710961B1 (en) 2017-02-28
GB201909024D0 (en) 2019-08-07
TW201631909A (en) 2016-09-01
CN105577206B (en) 2017-03-29
GB2572882A (en) 2019-10-16

Similar Documents

Publication Publication Date Title
SG11201703164RA (en) Cybersecurity system
GB201402954D0 (en) Communication system
GB201410907D0 (en) No details
GB201404961D0 (en) Communication system
GB201417068D0 (en) Communication system
GB2552084B (en) A locker system
GB201419094D0 (en) Anti-TIM-3-antibodies
GB201501510D0 (en) System
PT3101756T (en) Charging system
GB201404893D0 (en) Selfie - Stick
AU359704S (en) Case
GB201417453D0 (en) Location system
GB201401701D0 (en) Communication system
AU361515S (en) Dishrack
GB201404962D0 (en) Communication system
GB201401459D0 (en) Communication system
HK1214981A1 (en) A micro-humidifier
GB201412117D0 (en) Soundbar
GB201403819D0 (en) Communication system
GB201419884D0 (en) Communication system
GB201418217D0 (en) No details
GB201418216D0 (en) No details
HK1221884A1 (en) Robotic system
GB201406677D0 (en) A vehicle
GB201504450D0 (en) A communication system