David R. Smith

Person

Suffolk, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Wavelength division multiplexing transmission equipment
- Patent number 9,020,358
- Issue date Apr 28, 2015
- The Centre For Integrated Photonics Limited
- David William Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical single-sideband transmitter
- Patent number 8,824,900
- Issue date Sep 2, 2014
- Huawei Technologies Co., Ltd.
- Peter Healey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fibre network
- Patent number 8,606,106
- Issue date Dec 10, 2013
- Huawei Technologies Co., Ltd.
- Peter Healey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiwavelength transmitter
- Patent number 8,326,154
- Issue date Dec 4, 2012
- Huawei Technologies Co., Ltd.
- Alistair J. Poustie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Folded cavity of optoelectronic devices
- Patent number 7,627,216
- Issue date Dec 1, 2009
- The Centre for Integrated Photonics Limited
- Ian Francis Lealman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Key distribution in a multiple access network using quantum cryptog...
- Patent number 5,768,378
- Issue date Jun 16, 1998
- British Telecommunications public limited company
- Paul D. Townsend
- G02 - OPTICS
Information Patent Grant
Optical interconnection network
- Patent number 5,504,607
- Issue date Apr 2, 1996
- British Telecommunications, plc
- David W. Smith
- G02 - OPTICS
Information Patent Grant
Monitor unit for monitoring an optical waveguide
- Patent number 5,485,296
- Issue date Jan 16, 1996
- British Telecommunications public limited company
- Peter Healey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for converting a frequency division multiplex...
- Patent number 5,406,553
- Issue date Apr 11, 1995
- British Telecommunications public limited company
- David W. Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical interconnection network
- Patent number 5,253,094
- Issue date Oct 12, 1993
- British Telecommunications public limited company
- David W. Smith
- G02 - OPTICS
Information Patent Grant
Optical fiber feedthrough
- Patent number 5,177,806
- Issue date Jan 5, 1993
- E. I. Du Pont de Nemours and Company
- Kathleen S. Abbott
- G02 - OPTICS
Information Patent Grant
Apparatus for generating a comb of optical teeth of different wavel...
- Patent number 5,153,933
- Issue date Oct 6, 1992
- British Telecommunications public limited company
- David W. Smith
- G02 - OPTICS
Information Patent Grant
Switched optical network
- Patent number 5,144,465
- Issue date Sep 1, 1992
- British Telecommunications public limited company
- David W. Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization insensitive optical signal reception
- Patent number 5,031,236
- Issue date Jul 9, 1991
- British Telecommunications Public Limited Company
- Terence G. Hodgkinson
- G02 - OPTICS
Information Patent Grant
Polarization modulation of optical signals using birefringent medium
- Patent number 5,023,948
- Issue date Jun 11, 1991
- British Telecommunications public limited company
- David W. Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical homodyne detection
- Patent number 4,977,620
- Issue date Dec 11, 1990
- British Telecommunications plc
- David W. Smith
- G02 - OPTICS
Information Patent Grant
Spread spectrum optical communication system with heterodyne detection
- Patent number 4,959,826
- Issue date Sep 25, 1990
- British Telecommunications Public Limited Company
- David W. Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency locking radiation beam
- Patent number 4,955,026
- Issue date Sep 4, 1990
- British Telecommunications public limited company
- Godfrey R. Hill
- G02 - OPTICS
Information Patent Grant
Optical space switch
- Patent number 4,952,010
- Issue date Aug 28, 1990
- British Telecommunications Public Limited Company
- Peter Healey
- G02 - OPTICS
Information Patent Grant
Optical networks
- Patent number 4,897,830
- Issue date Jan 30, 1990
- British Telecommunications, public limited company
- Godfrey R. Hill
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reducing phase fluctuations in a coherent radiation beam using feed...
- Patent number 4,847,477
- Issue date Jul 11, 1989
- British Telecommunications Public Limited Company
- David W. Smith
- G02 - OPTICS
Information Patent Grant
Frequency referencing system and method
- Patent number 4,839,614
- Issue date Jun 13, 1989
- British Telecommunications public limited company
- Godfrey R. Hill
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital signal transmission/reception using differential polarizati...
- Patent number 4,831,663
- Issue date May 16, 1989
- British Telecommunications public limited company
- David W. Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Monitoring and controlling source stability
- Patent number 4,817,100
- Issue date Mar 28, 1989
- British Telecommunications p.l.c.
- Keith H. Cameron
- G02 - OPTICS
Information Patent Grant
Optical communication system utilizing phase modulation
- Patent number 4,817,207
- Issue date Mar 28, 1989
- British Telecommunications plc
- David W. Smith
- G02 - OPTICS
Information Patent Grant
Optical demultiplexer
- Patent number 4,809,256
- Issue date Feb 28, 1989
- British Telecommunications Public Limited Company
- David R. Smith
- G02 - OPTICS
Information Patent Grant
Apparatus and method for frequency locking electromagnetic optical...
- Patent number 4,807,953
- Issue date Feb 28, 1989
- British Telecommunications Public Limited Company
- David W. Smith
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for generating coherent radiation
- Patent number 4,780,876
- Issue date Oct 25, 1988
- British Telecommunications Public Limited Company
- David W. Smith
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical receivers
- Patent number 4,750,217
- Issue date Jun 7, 1988
- British Telecommunications public limited company
- David R. Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Laser light sources
- Patent number 4,556,980
- Issue date Dec 3, 1985
- British Telecommunications
- David W. Smith
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
HYBRID INTEGRATED TUNEABLE LASER
- Publication number 20120008650
- Publication date Jan 12, 2012
- THE CENTRE FOR INTEGRATED PHOTONICS LIMITED
- Alistair James Poustie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SINGLE-SIDEBAND TRANSMITTER
- Publication number 20120002978
- Publication date Jan 5, 2012
- THE CENTRE FOR INTEGRATED PHOTONICS LIMITED
- Peter Healey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wavelength Division Multiplexing Transmission Equipment
- Publication number 20110217039
- Publication date Sep 8, 2011
- David William Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL FIBRE NETWORK
- Publication number 20100266285
- Publication date Oct 21, 2010
- THE CENTRE FOR INTEGRATED PHOTONICS LIMITED
- Peter Healey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIWAVELENGTH TRANSMITTER
- Publication number 20100142962
- Publication date Jun 10, 2010
- Alistair J. Poustie
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
FOLDED CAVITY OPTOELECTRONIC DEVICES
- Publication number 20090129737
- Publication date May 21, 2009
- The Centre for Integrated Photonics Limited
- Ian Francis Lealman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL COMMUNICATION
- Publication number 20090016741
- Publication date Jan 15, 2009
- David W. Smith
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical communication networks and methods of controlling them
- Publication number 20040218928
- Publication date Nov 4, 2004
- David Cotter
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical signal transmitter
- Publication number 20030007207
- Publication date Jan 9, 2003
- Peter Healey
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

David R. Smith

Person

Patents Grantslast 30 patents

Wavelength division multiplexing transmission equipment

Optical single-sideband transmitter

Optical fibre network

Multiwavelength transmitter

Folded cavity of optoelectronic devices

Key distribution in a multiple access network using quantum cryptog...

Optical interconnection network

Monitor unit for monitoring an optical waveguide

Apparatus and method for converting a frequency division multiplex...

Optical interconnection network

Optical fiber feedthrough

Apparatus for generating a comb of optical teeth of different wavel...

Switched optical network

Polarization insensitive optical signal reception

Polarization modulation of optical signals using birefringent medium

Optical homodyne detection

Spread spectrum optical communication system with heterodyne detection

Frequency locking radiation beam

Optical space switch

Optical networks

Reducing phase fluctuations in a coherent radiation beam using feed...

Frequency referencing system and method

Digital signal transmission/reception using differential polarizati...

Monitoring and controlling source stability

Optical communication system utilizing phase modulation

Optical demultiplexer

Apparatus and method for frequency locking electromagnetic optical...

Method and apparatus for generating coherent radiation

Optical receivers

Laser light sources

Patents Applicationslast 30 patents

HYBRID INTEGRATED TUNEABLE LASER

OPTICAL SINGLE-SIDEBAND TRANSMITTER

Wavelength Division Multiplexing Transmission Equipment

OPTICAL FIBRE NETWORK

MULTIWAVELENGTH TRANSMITTER

FOLDED CAVITY OPTOELECTRONIC DEVICES

OPTICAL COMMUNICATION

Optical communication networks and methods of controlling them

Optical signal transmitter