Patent application number | Description | Published |
20120289243 | COOPERATIVE POSITIONING - A system for determining a position of a pair of portable devices in close proximity to one another, the system comprising: a first portable device configured to form first positioning data for use in accordance with a first position determination mechanism; and a second portable device operable to calculate a position in accordance with the first position determination mechanism; wherein the first portable device is configured to transmit said first positioning data to the second portable device, and the second portable device is configured to calculate a position of the first and second portable devices in dependence on the first positioning data. | 11-15-2012 |
20130082878 | WI-FI POSITION FIX - A method of forming an estimate of the two-dimensional position of a radio receiver relative to a plurality of radio transmitters each having an associated position estimate and a position uncertainty expressible as an uncertainty ellipse having major and minor axes, the method comprising using the uncertainty vectors describing the uncertainty ellipses of the radio transmitters in a predetermined coordinate system to define a new compound coordinate basis, and forming an estimate of the two-dimensional position of the radio receiver in the compound coordinate basis by projecting the major and minor axes of each uncertainty ellipse onto the new compound coordinate basis and calculating the position of the radio receiver by means of a weighted centroid that uses weighting values calculated in the new compound coordinate basis and position estimates of the plurality of the radio transmitters expressed in the compound coordinate basis. | 04-04-2013 |
20130260799 | Method and Apparatus for Positioning Using Quasi-Fingerprinting - According to certain aspects, the invention provides a method of achieving near-fingerprinting accuracy without fingerprinting database costs, via parametric representation of training data. In embodiments, this is achieved by using a parametric representation for the training data and limiting the region of applicability of the parametric model in order to mimic fingerprinting. According to certain additional aspects, an algorithm according to principles of the invention includes two separate parts, training and positioning. Training encompasses the derivation of the parametric model and region of applicability. This comprises access point position, propagation model and the window of applicability. Positioning covers the use of the derived model along with a set of fresh observations to generate a position estimate. | 10-03-2013 |
20130344886 | ACCESS POINT LOCATION IDENTIFICATION METHODS AND APPARATUS BASED ON ABSOLUTE AND RELATIVE HARVESTING - A system and method which identifies locations associated with radio-frequency (RF) signal sources in an area, includes receiving multiple measurement sets from a plurality of collector devices. The collector devices obtain contemporaneous information on characteristics of the signal sources and absolute and/or relative location information of the collectors. These measurement sets are processed to discover positioning data for the RF signal sources that may be used to determine locations of devices in the area that are configured to receive or monitor the RF signals. | 12-26-2013 |
20140111380 | METHOD FOR SHORT-RANGE PROXIMITY DERIVATION AND TRACKING - A system has short-range transmission devices, each of which corresponds to a range of zones in a three dimensional space. The short-range devices are positioned at various locations within the three dimensional space and periodically broadcast signals. The zones are determined according to a plurality of signal characteristics sensed by client devices proximate to the short-range beacon transmission devices. In addition, the zones are assigned definitions. | 04-24-2014 |
20140171025 | USAGE OF BEACON FOR LOCATION BASED SECURITY - A system for location based security which includes a plurality of receivers. Each of the receivers determines times of arrival of received time varying signals. The system also includes a server in communication with the receivers and a mobile device. The server receives the times of arrival from the receivers, and times of arrival of the time varying signals determined by the mobile device. The server determines a location of the mobile device based on the times of arrival. The server may then authorize the mobile device to perform secure communication over the secure communication network when the location of the mobile device is determined to be in an authorized communication area defined based on the times of arrival received from the receivers. | 06-19-2014 |
20140187259 | METHOD FOR DETERMINING LOCATION OF WIRELESS DEVICES - To determine a location of a client device in a wireless network having at least first and second network devices, with known locations, one of the network devices transmits a message to the other network device and the other network device responds with an acknowledgement message. A client device receives the message and the acknowledgement message as well as respective times indicating actual times at which the message and the acknowledgement message were processed by one of the first and second network devices. The client device determines its location based on the times at which it received the message and the acknowledgement message and the difference between the actual processing times. This location may be refined by determining an angle between the client device and at least one of the network devices having multiple antennas and being configured for steered beam communications. | 07-03-2014 |
20150054620 | METHOD FOR SETTING UP A BEACON NETWORK INSIDE A RETAIL ENVIRONMENT - A system having multiple short-range transmission devices, each of which is assigned a unique identity and is positioned at a respectively different location within a three dimensional space. The assignment of the identity is according to signals broadcast by short-range device(s) as sensed unambiguously by a listening device or devices proximate to the short-range transmission device(s) and further associating the identity with a reference point. | 02-26-2015 |
20150097653 | DETERMINATION OF PROXIMITY USING A PLURALITY OF TRANSPONDERS - Devices and methods of determining a proximity of a receiver to a tag in a predetermined region. A signal characteristic is sensed at the receiver from the tag and an assisting tag. Zones are defined representing proximity of the receiver to each tag. A presence probability vector for the receiver and zones of each tag is estimated based on the signal characteristic. For the assisting tag, a further presence probability vector for the receiver and zones of the tag is estimated, given the presence probability vector for the assisting tag, based on a spatial relationship between the tag and the assisting tag. A combined probable proximity vector for the receiver and zones of the tag are calculated, using the presence probability vector for the tag and the further presence probability vector via a Bayesian network. The proximity of the receiver to the tag is based on the combined vector. | 04-09-2015 |
Patent application number | Description | Published |
20100231445 | APPARATUS AND METHOD FOR USE IN GLOBAL POSITION MEASUREMENTS - Apparatus and methods are provided for use in a receiver that receives global positioning data from one or more satellites above the Earth's surface. The apparatus and methods involve detecting a change in at least one parameter associated with the receiver and determining if the change in the at least one parameter is to be treated as erroneous. As a result of determining if the change in the at least one parameter is to be treated as erroneous, a further action may be performed. Determining if the change is to be treated as erroneous may include, for example, detecting changes in more than one parameter and determining if the changes are coincident. Detecting a change in at least one parameter may also enable the receiver to predict the presence and magnitude of multipath components of signals, predict changes in an environment local to the receiver, predict large errors in position estimates determined by the receiver and modify an acquisition and tracking strategy used by the receiver. | 09-16-2010 |
20100232476 | APPARATUS AND METHOD FOR USE IN GLOBAL POSITIONING MEASUREMENTS - Embodiments of the invention involve providing assistance data to a global position and navigation receiver, for example topographical data, such that the receiver can decide on a specific action depending on that data. The topographical data may include one or both of geographical data and architectural data. Geographical data may include information about natural formations, such as hills, valleys, forests, etc. Architectural data may include manmade formations, such as streets, buildings, bridges, etc. The receiver may then interpret and decide on a course of action for controlling the receiver base on the assistance data. | 09-16-2010 |
Patent application number | Description | Published |
20110208756 | ONLINE RANKING METRIC - Methods, systems, and apparatus, including computer program products, for ranking resources. One or more signals reporting one or more actions by the plurality of users related to a respective resource are received, where a reported action is a presentation of the respective resource, an addition of the respective resource, or a deletion of the respective resource. The reported actions include one or more short deletions of the respective resource. A respective long-addition click-through rate (LACTR) is determined for the respective resource based on a number of reported presentations of the respective resource and a difference between a number of reported additions of the respective resource and a number of short deletions of the respective resource. The plurality of resources are ranked based on the respective LACTRs for the plurality of resources. The ranking of the plurality of resources are provided. | 08-25-2011 |
20110270916 | GENERIC ONLINE RANKING SYSTEM AND METHOD SUITABLE FOR SYNDICATION - Methods, systems, and apparatus, including computer program products, for ranking resources. One or more signals reporting one or more actions by the plurality of users related to a respective resource are received, where a reported action is a presentation of the respective resource, an addition of the respective resource, or a deletion of the respective resource. The reported actions include one or more short deletions of the respective resource. A respective long-addition click-through rate (LACTR) is determined for the respective resource based on a number of reported presentations of the respective resource and a difference between a number of reported additions of the respective resource and a number of short deletions of the respective resource. The plurality of resources are ranked based on the respective LACTRs for the plurality of resources. The ranking of the plurality of resources are provided. | 11-03-2011 |
20120254198 | Online Ranking Metric - Methods, systems, and apparatus, including computer program products, for ranking resources. One or more signals reporting one or more actions by the plurality of users related to a respective resource are received, where a reported action is a presentation of the respective resource, an addition of the respective resource, or a deletion of the respective resource. The reported actions include one or more short deletions of the respective resource. A respective long-addition click-through rate (LACTR) is determined for the respective resource based on a number of reported presentations of the respective resource and a difference between a number of reported additions of the respective resource and a number of short deletions of the respective resource. The plurality of resources are ranked based on the respective LACTRs for the plurality of resources. The ranking of the plurality of resources are provided. | 10-04-2012 |
Patent application number | Description | Published |
20080206388 | Doughnut making machine - Doughnut making machine with a metal trough, a heating element, a doughnut pushing chain assembly, a chain drive motor, a doughnut batter hopper, a motorized batter dispensing mechanism, a plurality of chain idler pulleys, a chain drive motor and attached pulley, and doughnut flipping fingers. The is chain is wrapped into a belt and is driven by the chain drive pulley that is in turn driven by the chain drive motor. The chain is wrapped around the idler pulleys in a secure fashion. The dispensing mechanism activates when the belt switch activators contact a dough dispensing switch located on the chain. The batter is dropped into the oil that resides in the trough. The heated oil causes the doughnut mixture to fry. The resulting doughnut shape is propelled forward by chain push fingers. The flipping fingers offer resistance to the doughnut causing it to flip over. | 08-28-2008 |
20110175407 | Beach chair with sun protective device - Beach chair with sun protective device with a folding beach chair frame made of tubular metal and water resistant fabric and a pair of arm supports, a sun shade mounted on a spring retractable roller, a shade attachment bar, a pair of shade attachment hooks, a pair of back extension rods and a pair of leg extension rods. The back extension rods are extendable from the back support tubes of the beach chair frame. The leg extension rods are extendable from the rear leg support tubes of the beach chair frame. The roller and the shade are mounted to the back extension rods so that when a user extends the back extension rods and the leg extension rods, he or she can pull out the shade from the spring roller and attach the shade to the shade attachment hooks to form an overhead sun shade. | 07-21-2011 |
20120223091 | Cap with counter - Cap with a hollow housing containing a count down mechanism so that when a person pushes down on the cap during the opening process, a rotational force within the housing causes the day and numerical count indices printed on cylinders within the housing to advance one station so that the day and count indices showing in viewing apertures located on the outside wall of the housing reflect the fact that an item such as a pill has been taken by the user. A preferred embodiment includes a ring release slide mechanism that allows the user to disengage the advancing mechanism so that the user can manually rotate the counting mechanism to initially set the indices to the correct location with respect to the viewing apertures and to be able to reset the indices if the user presses on the top cap housing accidentally. | 09-06-2012 |