105results about How to "High implementation cost" patented technology

The security and convenience of a mobile communication device is enhanced based on a separate key device. If the key device is near the mobile communication device, the mobile communication device may be automatically unlocked without the user having to input an unlock code. The mobile communication device may be automatically unlocked into a first mode having a first level of functionality. If the user inputs a correct unlock code, the mobile communication device may be unlocked into a second mode having a second level of functionality, greater than the first level of functionality.

A system and method for distributed power control in a communications system are provided. A method for relay node operations includes transmitting a signal at a transmit power level on a first channel from a relay node to a user equipment, receiving a message comprising a first indication of channel quality of the first channel at the transmit power level, and determining a second indication of channel quality of a second channel between a communications controller and the relay node, where the first channel and the second channel are in a same multi-hop communication path. The method also includes altering the transmit power level of the first channel based on the first indication of channel quality and the second indication of channel quality to converge the channel quality of the first channel to a convergence value.

The method disclosed herein provides for performing device security corrective action based on loss of proximity to another device, such as a key device. While a mobile communication device is locked, a mobile communication device determines whether or not a key device is within a specified distance. If the key device is not within the specified distance from the mobile communication device, a notification may be displayed on the mobile communication device. If a user responds to the notification, the user may prevent or alter the mobile communication device from performing at least one device security corrective action. If, however, the user does not respond to the notification within a specified time period, the at least one device security corrective action is performed on the mobile communication device.

The method disclosed herein provides for performing device security corrective action based on loss of proximity to another device, such as a key device. While a mobile communication device is locked, a mobile communication device determines whether or not a key device is within a specified distance. If the key device is not within the specified distance from the mobile communication device, a notification may be displayed on the mobile communication device. If a user responds to the notification, the user may prevent or alter the mobile communication device from performing at least one device security corrective action. If, however, the user does not respond to the notification within a specified time period, the at least one device security corrective action is performed on the mobile communication device.

The method disclosed herein provides for performing device authentication based on the of proximity to another device, such as a key device. When a key device is not near a mobile communications device, an unlock screen is allowed to be presented on a display screen. Based on the mobile communications device receiving a first code to unlock the mobile communications device, the mobile communications device is unlocked in a first mode. Based on receiving a second code while the unlocked mobile communications device is in the first mode, the unlocked mobile communications device changes from the first mode to a second mode, wherein a level of functionality of the mobile communications device in the second mode is greater than a level of functionality of the mobile communications device in the first mode

A trusted identity may be established for an agent device for performing trusted communication with one or more application providing apparatuses. The method of establishing the trusted identity includes determining which of a number of authentication models is a selected authentication model to be used for uniquely authenticating the agent device. First and second authentication information is generated according to the selected model. The first authentication information is for uniquely authenticating the identity of the device and the second authentication information is for verifying that the agent device has the first authentication information. The first authentication information is embedded in the agent device while the second authentication information is transmitted to a registry apparatus for maintaining a device of agent devices. Authentication model information identifying which is the selected authentication model is also sent to the registry.

In one embodiment, a system for deskewing signals on parallel bus channels includes several parallel channels that carry several data input signals and a pair of complementary voltage and timing reference (VTR) signals. The system also includes several receivers, with each receiver coupled to receive a data input signal and the pair of complementary VTR signals. The output of each receiver is based in part on a comparison of the received data input signal with the pair of complementary VTR signals. In one embodiment, a pair of VTR signals is selected from several pairs of VTR signals to widen the skew band on each channel. In one embodiment, each channel is skewed using a programmable delay circuit having a delay value based on the alignment of a data input signal relative to a pair of complementary VTR signals.

The method disclosed herein provides for performing device authentication based on the of proximity to another device, such as a key device. When a key device is not near a mobile communications device, an unlock screen is allowed to be presented on a display screen. Based on the mobile communications device receiving a first code to unlock the mobile communications device, the mobile communications device is unlocked in a first mode. Based on receiving a second code while the unlocked mobile communications device is in the first mode, the unlocked mobile communications device changes from the first mode to a second mode, wherein a level of functionality of the mobile communications device in the second mode is greater than a level of functionality of the mobile communications device in the first mode

The invention discloses a positioning system and method in a ship compartment. The positioning method comprises the following steps: transmitting information including ID, a transmitting signal intensity value and the like through broadcast frames by positioning beacons arranged in the compartment; enabling people carrying positioning tags to enter the compartment, scanning and receiving ID of themultiple positioning beacons and a receiving signal intensity value RSSI by Bluetooth modules of the positioning tags, and then sending out the information and positioning tag ID wirelessly through aLoRa module; and receiving the information sent out by the positioning tags and then forwarding the information to a positioning server by a communication base station, calculating the value of the distance between each positioning tag and the corresponding positioning beacon by the receiving signal intensity value and the transmitting signal intensity value, and then acquiring the position information of the positioning tags in the compartment through a positioning algorithm. The positioning system can stably run in a severe environment which is high in dust concentration, obvious in vibration and large in noise and is filled with paint volatiles, the positioning precision can be high, and positioning requirements in a construction environment can be met.

When semi-amorphous TFTs are used for forming a signal line driver circuit and a pixel, a large amplitude is required for driving the pixel, and a large power supply voltage is thus needed. On the other hand, when a shift register is made up of transistors having a single conductivity, a bootstrap circuit is required, and a voltage over a power supply is applied to a specific element. Therefore, not both the driving amplitude and the reliability can be achieved with a single power supply. According to the invention, a level shifter having a single conductivity is provided to solve such a problem.

The present invention refers to a system for the diagnosis of plant anomalies which comprises at least: an acquisition device (1) capable of capturing images in real time of at least one sample of a plant to be diagnosed; a storage unit (2) comprised by a database of digitalized images (7) of samples of plants affected by anomalies and also comprised by a database of technical information (8) related to said anomalies; a human interface device (3) capable of displaying digitalized images of the plant samples; a human control device (4) capable of allowing for an active interaction between a user and the human interface device; and a processing unit (5) operatively associated to the acquisition device (1), to the storage unit (2), to the human interface device (3) and to the human control device (4). This processing unit (5) is configured to run a dedicated computer program (6) capable of: displaying the image of the sample of the plant to be diagnosed and the digitalized image of the sample of the plant filed in the database of images (7) from the storage unit (2) simultaneously in the human interface device (3); automatically providing information of at least, one product and / or method suitable for treating the anomaly diagnosed by means of the human interface device (3); and allowing for the graphic manipulation of the plant images shown in the human interface device (3) by means of the human control device (4).

An anti-counterfeit device with dynamic barcodes is disclosed. An anti-counterfeit system with dynamic barcodes provides an anti-counterfeit mechanism when a user uses an electronic value barcode. The anti-counterfeit device includes a barcode generator module, an anti-counterfeit generator module and a combination module. The barcode generator module generates electronic barcodes that can be read directly by a barcode reader. The anti-counterfeit generator module generates dynamic anti-counterfeit labels with dynamic exchange information varying in time. The combination module generates anti-counterfeit barcodes by combining the electronic barcodes and the dynamic anti-counterfeit labels. The dynamic anti-counterfeit labels are visible, and are used for enhancing the anti-counterfeit capability of the electronic barcodes. Moreover, the electronic barcode with the dynamic anti-counterfeit labels can be read directly and correctly by the barcode reader without illuminant interference. Therefore, whether the electronic barcodes are forged barcodes is determined by observing the dynamic changes of the dynamic anti-counterfeit labels.

In a geolocation application, a method is provided to jointly estimate the time-of-arrival (TOA) and the amplitude of a received signal based on super-resolution technique. The super-resolution joint TOA-amplitude estimators are provided based on either the expectation-maximization (EM), parallel-interference-cancellation space-alternating generalized expectation maximization (PIC-SAGE) or serial-interference-cancellation SAGE (SIC-SAGE). The SIC-SAGE estimator minimizes the ranging estimation error especially under a non-line-of-sight (NLOS) condition. The SIC-SAGE estimator is a simplified version of the maximum likelihood estimator with more stable performance in a multipath rich environment, such as the ultra-wideband (UWB) based applications. These techniques provide the following benefits: 1) it is generic, so that signal processing can be deployed on both time-domain (e.g., UWB impulse-radio) and frequency-domain (e.g., multi-band orthogonal frequency-division multiplexing (MB-OFDM)) based transceiver schemes and applicable for both UWB and non-UWB systems; 2) it is robust especially under NLOS condition and multipath rich environment.

The invention relates to the field of electricity metering and charging, and discloses a system and a method for detecting anomaly of the second wiring of a current mutual inductor. The system for detecting the anomaly of the second wiring of the current mutual inductor comprises a detection circuit, an analog-to-digital converter (ADC), a digital high-pass filter and an anomaly judging module; the detection circuit comprises an external current mutual inductor, an internal current mutual inductor, a coil, an iron core, a resister and a high-frequency signal source; and the external current mutual inductor, the internal current mutual inductor, the coil, the iron core, the resister and the high-frequency signal source are electrically connected. The invention has the beneficial effects of:not relying on the vector relation of three-phase voltage and current, being applied to a single-phase measuring circuit besides being used in a three-phase measuring circuit; reliably recognizing the situations of non-loaded current wiring and open circuit wiring; conducting 24-hour online detection and real-time monitoring, and having keen reaction, low implementation cost addition, and convenience and simplicity.

There is disclosed a data switch in combination with a proxy controller, the data switch being configured for routing data traffic and control traffic between at least one input / output (I / O) device and at least one server including a memory having an address space including set of data buffers and a list of command / status descriptors. The data switch is configured to:i) distinguish between different types of traffic by examining packet headers;ii) route data traffic directly between the at least one I / O device and the at least one server; andiii) route control traffic by way of the proxy controller.In this way, I / O devices can be virtualised, since only the control traffic (which generally comprises less than 10% of the bandwidth) needs be processed by the proxy controller.

A system and method for monitoring a premise in case of an emergency and enabling 2-way voice communications with an individual at every possible location within the monitored premises. The system utilizes a radio frequency 2-way wireless communication link from a centrally located Base Alarm Control Unit on the premise to plurality of Remote Alarm Control Units situated throughout the premise. Remote Alarm Control Units relay the information received from the wireless remote transmitters to the Base Alarm Control Unit thereby increasing the effective useful range of the wireless communication link. The same also establishes a 2-way voice connection between the Central Station operator and the individual who may be located at any possible location within the premise, thereby providing a much more effective handling of the emergency or alarm situation.

A system and method for distributed power control in a communications system are provided. A method for relay node operations includes transmitting a signal at a transmit power level on a first channel from a relay node to a user equipment, receiving a message comprising a first indication of channel quality of the first channel at the transmit power level, and determining a second indication of channel quality of a second channel between a communications controller and the relay node, where the first channel and the second channel are in a same multi-hop communication path. The method also includes altering the transmit power level of the first channel based on the first indication of channel quality and the second indication of channel quality to converge the channel quality of the first channel to a convergence value.

A method for transmitting light in an image display system includes generating a beam of light from a light source. The beam of light is directed at a first segment of an electronically-switchable filter. A first portion of the beam of light is accepted by the first segment of the electronically-switchable filter, and a second portion of the beam of light is rejected by the first segment of the electronically-switchable filter. The first portion of the light beam is modulated to produce at least a portion of a displayed image. The second portion of the light beam is recycled to redirect the second portion of the light beam at a second segment of the electronically-switchable filter. The second portion of the light beam is accepted by the second segment of the electronically-switchable filter. The second portion of the light beam is modulated to produce at least a portion of the displayed image.

A monitoring apparatus of the present application comprises: a transmission antenna section for sending out a radio wave of single beam having a wide angle or alternatively a radio wave having a narrower (angular) range in a plurality of beam directions; a receiving antenna section for receiving the radio wave in a plurality of beam directions transmitted by the transmission antenna section and then reflected by the target and for having a first power feed section and a second power feed section; a transmission section for transmitting to the transmission antenna section a signal to be sent out as the radio wave; a receiving section to which the radio wave received by the receiving antenna section is transmitted as a signal from the receiving antenna section ; and beam switching instrument which performs a switching operation such that power should be fed to either the first power feed section or the second power feed section, which thereby forms the beam directions of two radio waves, and which thereby controls a monitoring area.

The invention discloses an application method of a PFC (power factor correction) controller in a Buck circuit. A switch tube and a free-wheel inductor TR2 are serially connected into a main power loop in the Buck circuit, a reference voltage source is connected into a MULT end of the PFC controller, current of the free-wheel inductor TR2 is detected by a ZCD (zero current detection) end of the PFC controller, and the switch tube is driven to be switched on and off by a GD (general dynamic) end of the PFC controller. The high-voltage Buck circuit is controlled by a PFC controller chip, and problems that a Buck type resonant soft switching circuit is high in implementation cost and poor in resonant soft switching effect, voltage stress of a switch tube is high and the like are solved. In addition, circuits of the application method are simple in structure and fine in resonant effect, and switching-on and switching-off of zero voltage are realized simultaneously.

A device for determining the location or the position of an object moving along a known course includes equipment associated with the object. The equipment includes at least one central computer, at least one receiver / decoder of signals originating from one or more satellites, a radio interface and a database having a mapping of the course of the object. The device includes further central equipment including a central computer, one or more radio interfaces, a bus system, a database including the mapping of the course, an application for managing modifications of the mapping and at least one console, and moving-object / central-equipment and man / moving-object interface elements.

The invention provides a preparation method of Barium Titanate nano-powder, which comprises the following steps that: soluble barium salt is added into H2O2 solution to be mixed continuously, the pH value of the solution is adjusted with ammonia water, and the mixed solution is held statically, filtered, washed and vacuum-dried to obtain a precursor BaO2. H2O2 powder; then the BaO2.H2O2 and H2TiO3 are mixed and ground, KOH and KNO3 are added to be used as a flux, then absolute ethyl alcohol is added for grinding, the ultrasonic treatment on the mixed ground powder is undertaken, and after being dried and removed ethanol, the mixture is dissolved with deionized water, centrifugally separated and washed with deionized water after being roasted and cooled; and finally the sample is put into thin HNO3 solution to be immersed so as to remove the foreign matters, and the sample is centrifugally separated, washed and dried to obtain the barium titanate powder with the granularity of about 15 to 40 nm. The barium titanate powder prepared with the method has the advantages of small power granularity, uniform particles, low roasting temperature, simple production process, safe production process, difficult accumulation of the product particles, high purity of the product, high production efficiency and low implementation cost, and can be widely used for the preparation of different inorganic nano functional materials.

In a geolocation application, a method is provided to jointly estimate the time-of-arrival (TOA) and the amplitude of a received signal based on super-resolution technique. The super-resolution joint TOA-amplitude estimators are provided based on either the expectation-maximization (EM), parallel-interference-cancellation space-alternating generalized expectation maximization (PIC-SAGE) or serial-interference-cancellation SAGE (SIC-SAGE). The SIC-SAGE estimator minimizes the ranging estimation error especially under a non-line-of-sight (NLOS) condition. The SIC-SAGE estimator is a simplified version of the maximum likelihood estimator with more stable performance in a multipath rich environment, such as the ultra-wideband (UWB) based applications. These techniques provide the following benefits: 1) it is generic, so that signal processing can be deployed on both time-domain (e.g., UWB impulse-radio) and frequency-domain (e.g., multi-band orthogonal frequency-division multiplexing (MB-OFDM)) based transceiver schemes and applicable for both UWB and non-UWB systems; 2) it is robust especially under NLOS condition and multipath rich environment.

A monitoring apparatus of the present application includes: a transmission antenna section that transmits a radio wave of single beam having a wide angle or alternatively a radio wave having a narrower (angular) range in a plurality of beam directions. A receiving antenna section receives the radio wave transmitted by the transmission antenna section and then reflected by a target. A beam switching instrument performs a switching operation such that power is fed to either a first power feed section or a second power feed section, which thereby controls the beam directions of the radio waves to monitor a specified area.

A block cipher algorithm based encryption processing method comprises the following steps: external key registration, external data registration, key expansion, data encryption conversion, internal data registration, and data iteration processing, which solves the problems of the prior ciphering method based on block cipher algorithm, such as low ciphering efficiency and high implementation cost, and efficiently reduces the resource consumption under the premise of keeping the high efficiency of the prior art, thereby reducing the implementation cost of the device. When the number of the conversion component is 1, the resource consumption is only about 60 percent of the prior art; and when the number of the conversion component is 2, the resource consumption is only about 70 percent of the prior art. The present invention increases a sub-key registration unit, which can reduce the critical paths and increase the clock dominant frequency of the ciphering equipment during the implementation of integrated circuits, thereby improving the ciphering capacity of the inventive method.

The present invention features novel methods of implementing configurable arrays for personal portable devices including hand-held mobile devices and re-locatable wireless devices, utilizing a wireless communications system that employs multiple individual hubs and / or base-stations. The digital beam forming (DBF) methodology utilizes multiple low gain elements conformal to the mechanical contours of handheld devices to function as arrays. The distributed N element arrays dynamically provide the options of reconfigurable shaped beams with near hemispheric radiation patterns for various handheld orientations and conditions by various users, while also supporting operations of multiple orthogonal beams concurrently connecting to multiple hubs. The larger the N becomes, the more flexibility the residing devices can provide.