GB9622650D0 - Communication system - Google Patents
Communication systemInfo
- Publication number
- GB9622650D0 GB9622650D0 GBGB9622650.1A GB9622650A GB9622650D0 GB 9622650 D0 GB9622650 D0 GB 9622650D0 GB 9622650 A GB9622650 A GB 9622650A GB 9622650 D0 GB9622650 D0 GB 9622650D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- communication system
- communication
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B1/00—Systems for signalling characterised solely by the form of transmission of the signal
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9522238.6A GB9522238D0 (en) | 1995-10-31 | 1995-10-31 | Communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
GB9622650D0 true GB9622650D0 (en) | 1997-01-08 |
GB2307577A GB2307577A (en) | 1997-05-28 |
Family
ID=10783133
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB9522238.6A Pending GB9522238D0 (en) | 1995-10-31 | 1995-10-31 | Communication system |
GB9622650A Withdrawn GB2307577A (en) | 1995-10-31 | 1996-10-31 | Communication system |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB9522238.6A Pending GB9522238D0 (en) | 1995-10-31 | 1995-10-31 | Communication system |
Country Status (2)
Country | Link |
---|---|
GB (2) | GB9522238D0 (en) |
ZA (1) | ZA969158B (en) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2318939A (en) * | 1996-11-01 | 1998-05-06 | Richard James Harvey | Infra-red identification device |
US8773336B2 (en) | 2008-09-05 | 2014-07-08 | Ketra, Inc. | Illumination devices and related systems and methods |
US10210750B2 (en) | 2011-09-13 | 2019-02-19 | Lutron Electronics Co., Inc. | System and method of extending the communication range in a visible light communication system |
US8674913B2 (en) | 2008-09-05 | 2014-03-18 | Ketra, Inc. | LED transceiver front end circuitry and related methods |
US9276766B2 (en) | 2008-09-05 | 2016-03-01 | Ketra, Inc. | Display calibration systems and related methods |
US9509525B2 (en) | 2008-09-05 | 2016-11-29 | Ketra, Inc. | Intelligent illumination device |
US8521035B2 (en) | 2008-09-05 | 2013-08-27 | Ketra, Inc. | Systems and methods for visible light communication |
US8886047B2 (en) | 2008-09-05 | 2014-11-11 | Ketra, Inc. | Optical communication device, method and system |
US9386668B2 (en) | 2010-09-30 | 2016-07-05 | Ketra, Inc. | Lighting control system |
USRE49454E1 (en) | 2010-09-30 | 2023-03-07 | Lutron Technology Company Llc | Lighting control system |
US8749172B2 (en) | 2011-07-08 | 2014-06-10 | Ketra, Inc. | Luminance control for illumination devices |
WO2013126585A1 (en) * | 2012-02-21 | 2013-08-29 | Ketra, Inc. | System and method of extending the communication range in a visible light communication system |
US9247605B1 (en) | 2013-08-20 | 2016-01-26 | Ketra, Inc. | Interference-resistant compensation for illumination devices |
US9155155B1 (en) | 2013-08-20 | 2015-10-06 | Ketra, Inc. | Overlapping measurement sequences for interference-resistant compensation in light emitting diode devices |
US9360174B2 (en) | 2013-12-05 | 2016-06-07 | Ketra, Inc. | Linear LED illumination device with improved color mixing |
US9578724B1 (en) | 2013-08-20 | 2017-02-21 | Ketra, Inc. | Illumination device and method for avoiding flicker |
US9345097B1 (en) | 2013-08-20 | 2016-05-17 | Ketra, Inc. | Interference-resistant compensation for illumination devices using multiple series of measurement intervals |
US9332598B1 (en) | 2013-08-20 | 2016-05-03 | Ketra, Inc. | Interference-resistant compensation for illumination devices having multiple emitter modules |
US9237620B1 (en) | 2013-08-20 | 2016-01-12 | Ketra, Inc. | Illumination device and temperature compensation method |
US9651632B1 (en) | 2013-08-20 | 2017-05-16 | Ketra, Inc. | Illumination device and temperature calibration method |
USRE48955E1 (en) | 2013-08-20 | 2022-03-01 | Lutron Technology Company Llc | Interference-resistant compensation for illumination devices having multiple emitter modules |
US9769899B2 (en) | 2014-06-25 | 2017-09-19 | Ketra, Inc. | Illumination device and age compensation method |
USRE48956E1 (en) | 2013-08-20 | 2022-03-01 | Lutron Technology Company Llc | Interference-resistant compensation for illumination devices using multiple series of measurement intervals |
US9736895B1 (en) | 2013-10-03 | 2017-08-15 | Ketra, Inc. | Color mixing optics for LED illumination device |
US9146028B2 (en) | 2013-12-05 | 2015-09-29 | Ketra, Inc. | Linear LED illumination device with improved rotational hinge |
US9557214B2 (en) | 2014-06-25 | 2017-01-31 | Ketra, Inc. | Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time |
US9392663B2 (en) | 2014-06-25 | 2016-07-12 | Ketra, Inc. | Illumination device and method for controlling an illumination device over changes in drive current and temperature |
US10161786B2 (en) | 2014-06-25 | 2018-12-25 | Lutron Ketra, Llc | Emitter module for an LED illumination device |
US9736903B2 (en) | 2014-06-25 | 2017-08-15 | Ketra, Inc. | Illumination device and method for calibrating and controlling an illumination device comprising a phosphor converted LED |
US9510416B2 (en) | 2014-08-28 | 2016-11-29 | Ketra, Inc. | LED illumination device and method for accurately controlling the intensity and color point of the illumination device over time |
US9392660B2 (en) | 2014-08-28 | 2016-07-12 | Ketra, Inc. | LED illumination device and calibration method for accurately characterizing the emission LEDs and photodetector(s) included within the LED illumination device |
US9485813B1 (en) | 2015-01-26 | 2016-11-01 | Ketra, Inc. | Illumination device and method for avoiding an over-power or over-current condition in a power converter |
US9237612B1 (en) | 2015-01-26 | 2016-01-12 | Ketra, Inc. | Illumination device and method for determining a target lumens that can be safely produced by an illumination device at a present temperature |
US9237623B1 (en) | 2015-01-26 | 2016-01-12 | Ketra, Inc. | Illumination device and method for determining a maximum lumens that can be safely produced by the illumination device to achieve a target chromaticity |
CN107489902B (en) * | 2017-08-28 | 2019-09-03 | 武汉市金运科技开发有限公司 | A kind of Internet of Things bulkhead lamp and its structure setting method |
US11272599B1 (en) | 2018-06-22 | 2022-03-08 | Lutron Technology Company Llc | Calibration procedure for a light-emitting diode light source |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6081306A (en) * | 1983-10-07 | 1985-05-09 | 日本碍子株式会社 | Working helmet |
GB2175937B (en) * | 1985-06-07 | 1988-08-17 | Anderson Strathclyde Plc | Mining machine control system |
US4809359A (en) * | 1986-12-24 | 1989-02-28 | Dockery Devan T | System for extending the effective operational range of an infrared remote control system |
US5349463A (en) * | 1990-08-17 | 1994-09-20 | Victor Company Of Japan | Optical radio repeater with signal quality detection |
DE4111736C1 (en) * | 1991-04-08 | 1992-08-27 | Mannesmann Ag, 4000 Duesseldorf, De | |
GB9412031D0 (en) * | 1994-06-16 | 1994-08-03 | Iml Ltd | Improvements in signalling devices employing line of sight radiation |
-
1995
- 1995-10-31 GB GBGB9522238.6A patent/GB9522238D0/en active Pending
-
1996
- 1996-10-31 GB GB9622650A patent/GB2307577A/en not_active Withdrawn
- 1996-10-31 ZA ZA9609158A patent/ZA969158B/en unknown
Also Published As
Publication number | Publication date |
---|---|
ZA969158B (en) | 1997-09-03 |
GB9522238D0 (en) | 1996-01-03 |
GB2307577A (en) | 1997-05-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |