Patent application number | Description | Published |
20100225484 | OBJECT LOCALIZATION METHOD, SYSTEM, TAG, AND USER INTERFACE DEVICE - Proposed is an object localization method, system and user interface device for locating a (misplaced) object ( | 09-09-2010 |
20100254712 | METHOD, SYSTEM AND DEVICE FOR TRANSMITTING LIGHTING DEVICE DATA - It is presented a method for transmitting lighting device data. The method comprises the steps of obtaining, in a lighting device, a subset of lighting device data, the lighting device data containg information of the lighting device, transmitting, from the lighting device, using light, the subset of lighting device data, and repeating the above steps until all subsets jointly corresponding to the complete lighting device data have been transmitted. A corresponding lighting device and lighting system are also presented. | 10-07-2010 |
20100271476 | METHOD FOR PROCESSING LIGHT IN A STRUCTURE AND A LIGHTING SYSTEM - This invention relates to a method for processing light in a structure, such as a room or a part thereof, a vehicle, etc., where several light sources are arranged in the structure. The light sources emit light carrying individual codes. A camera is arranged in a camera position of the structure and registers images of spots of the light. The spots can be, “for instance, illuminated areas of a floor or the direct light images of the light sources. The individual codes are derived from the registered images and one or more properties, such as for instance light source position or light intensity, related to the associated light source, is determined. The method is performed by means of a lighting system having several light sources, a camera, and a signal processing apparatus. Typical applications for the invention are light source commissioning and real time foot-print measurements. | 10-28-2010 |
Patent application number | Description | Published |
20120092143 | METHOD FOR SELECTING A CONTROLLABLE DEVICE - The present invention relates to a method for selecting at least one of a plurality of controllable devices ( | 04-19-2012 |
20120092204 | PUSHBITS FOR SEMI-SYNCHRONIZED POINTING - A method of selecting a light source among a plurality of light sources by means of a remote controller includes the remote controller: instructing, by omnidirectional transmission, the light sources to each transmit a directional signal comprising a code, which is unique for each light source; receiving the directional signals from the light sources; and selecting one of the light sources on basis of the received directional signals. Furthermore, the method includes: generating, remotely of the light sources, codes to be transmitted by the light sources; and the remote controller instructing each one of the light sources which one of the remotely determined codes to transmit. | 04-19-2012 |
20120098436 | ILLUMINATION SYSTEM AND METHOD - This invention relates to an illumination system ( | 04-26-2012 |
20120153838 | COGNITIVE IDENTIFIER ASSIGNMENT FOR LIGHT SOURCE CONTROL - Coded light has been proposed to enable advanced control of light sources and transmit information using light sources. Methods, devices and systems configured to operate a coded lighting control system, which is robust to interference from other sources of light are proposed. The method is based on sensing the light by a remote control device, and based on the sensing result adapting the identifiers used by the different light sources. By assigning a code identifier to the light source based on light received by the light receiver the code identifiers may be selected such that the influence of light interfering with the light source identifiers may be mitigated. | 06-21-2012 |
20130009036 | LIGHT SOURCE SELECTION - The invention relates to selecting a light source from a plurality of light sources, particularly to the selecting of a light source by pointing to it with a light source selection device. An embodiment of the invention relates to a light source selection device ( | 01-10-2013 |
20130250590 | DIRECTION CONTROLLABLE LIGHTING UNIT WITH ULTRASOUND - A direction controllable lighting unit | 09-26-2013 |
20140042913 | SYSTEM AND METHODS FOR DAYLIGHT-INTEGRATED ILLUMINATION CONTROL - A light detector arranged to determine a daylight contribution and an artificial light contribution to a combined illumination level wherein the artificial light comprises individual light coding modulation. The detector comprises:—a photo-sensor arranged to detect the illumination level at its position, and generate an illumination signal; and—a calculator, connected with the photo-sensor for receiving the illumination signal, and arranged to calculate the daylight contribution and the artificial light contribution and output corresponding daylight and artificial light signals. The calculator comprises:—an electronic filter arranged to prepare the illumination signal for estimation of the daylight and artificial light contributions;—a daylight part and an artificial light part, respectively connected to the electronic filter. The artificial light part comprises an artificial light DC component estimator, and the daylight part comprises a total DC component estimator, and a subtractor connected to the total DC component estimator and to the artificial light DC component estimator, and being arranged to determine the daylight contribution as the difference between their outputs. The artificial light DC component estimator is arranged to include present luminaire dimming level data and modulation depth data regarding the light coding modulation in a basis of its estimation. | 02-13-2014 |
20150022325 | DETECTION USING TRANSMISSION NOTIFICATION - A remote controller is arranged for selecting a light source among a plurality of light sources. The remote controller has an omnidirectional transmitter and is arranged to instruct, by means of the omnidirectional transmitter, the light sources to transmit a directional signal comprising a code, which is unique for each light source. Further, the remote controller has a directional signal receiver, and is arranged to receive the directional signals from the light sources, and signal comparison circuitry connected with the directional signal receiver. The remote controller is arranged to select one of the light sources on basis of the received directional signals. Furthermore, the remote controller comprises a transmission indicator, which is arranged to generate an indication signal, indicative of a successful omnidirectional transmission, and it is arranged to initiate the selection of one of the light sources by means of the indication signal. | 01-22-2015 |
Patent application number | Description | Published |
20100074622 | LINE-OF-SIGHT OPTICAL DETECTION SYSTEM, AND COMMUNICATION SYSTEM - A line-of-sight optical detection system comprises: a plurality of dimmable light sources ( | 03-25-2010 |
20100208236 | METHOD FOR DETERMINING THE POSITION OF AN OBJECT IN A STRUCTURE - This invention relates to a method for determining the position of an object in a structure. The object receives modulated light waves from a plurality of light sources, which are arranged in the structure. The modulation is individually coded, and the position of the light sources in the structure is known. The modulation signals are synchronized, and thereby it is possible to determine the position of the object on basis of measuring the phase difference between the phase of each received modulated light wave and a comparison phase. The phase difference is used for distance calculations, which in turn give the position of the object. | 08-19-2010 |
20110080120 | WIRELESS, REMOTELY CONTROLLED, DEVICE SELECTION SYSTEM AND METHOD - The invention relates to a wireless remote controlled device selection system for selecting devices. Signal processing provides information for a remote control device. This information is indicative of the angle between the remote control device and the various devices from which a device should be selected. By comparing the angular deviations, the desired device can be selected. | 04-07-2011 |
20120135692 | WIRELESS REMOTE CONTROLLED DEVICE SELECTION SYSTEM AND METHOD - The invention relates to a wireless remote controlled device selection system for selecting devices. Signal processing provides information for a remote control device. This information is indicative of the angle between the remote control device and the various devices from which a device should be selected. By analyzing the angular deviations, the desired device can be selected. | 05-31-2012 |