120 results about "Ambient energy" patented technology

An improved radio frequency identification (RFID) tag and related reader system and process are provided, wherein the RFID tag includes an on-board battery for enhanced signal transmission range, relatively rapid signal transmission speed, and optimized completion of a data transaction between the tag and a reader. The RFID tag further includes a power management system for activating the tag battery on an as-needed basis, and for thereupon enabling limited portions of the tag circuitry as required for a specific communication protocol, thereby conserving battery power and prolonging battery service life. In one preferred form, the battery is integrated with an antenna structure of single or dual mode with respect to frequency or type. This combination battery-antenna may be designed for recharging from a source of ambient energy.

The present invention relates to the field of battery and capacitor charging. In particular, the present invention provides pulsed current charging using changes, regardless of polarity, in the local energy environment to obtain power. The present invention relates, for example, to ambient energy charging thin film batteries, other batteries, or capacitors, via, for example, polyvinyladine fluoride homopolymer (PVDF), PVDF bi-axially poled, or other piezoelectric materials. Ambient energy may be defined as any change in energy within the local environment. Charging can be accomplished with, and is not limited to, positive or negative changes of the following energy types: thermal; visible light, including infrared and ultraviolet; mechanical motion or impact; triboelectric, including airflow or physical contact; movement in relation to a gravitational plane (increase or decrease in gravitational potential energy); and radio frequency (RF) electromagnetic energy, regardless of specific frequency.

A wireless charging device may be worn as a wristband wearable on a user's wrist. The device includes one or more energy collection components located on the wristband. The energy collection components may collect ambient energy and convert the ambient energy to electrical energy. One or more energy storage components located on the wristband and electrically coupled to the energy collection components may store at least some of the electrical energy from the energy collection components. One or more energy transmission components may be located on the wristband and electrically coupled to the energy collection components and the energy storage components. The energy transmission components may wirelessly couple with a mobile device to wirelessly transmit at least some of the collected electrical energy to the mobile device for charging a battery on the mobile device.

A method and apparatus for providing electrical energy to an electrical device wherein the electrical energy is originally generated from temperature differences in an environment having a first and a second temperature region. A thermoelectric device having a first side and a second side wherein the first side is in communication with a means for transmitting ambient thermal energy collected or rejected in the first temperature region and the second side is in communication with the second temperature region thereby producing a temperature gradient across the thermoelectric device and in turn generating an electrical current.

Various methods and apparatus for providing deep brain stimulation for the treatment of diseases such as Parkinson's Disease that do not require an onboard power supply that is implanted in the patient's body. Power may be supplied from outside of the body by, for example, near-field inductive coupling with an external power supply provided in, for example, a headgear worn by the patient. Power may also be supplied by providing an antenna for harvesting ambient energy, such as ambient RF energy, and converting it into DC power. In addition, the methods and apparatus provide for remote, wireless programming of the parameters that specify the nature of electrical pulses provided to the brain via probes implanted in the brain.

A heating ventilating air condition system, comprising an adjustable air vent, configured to control the rate of air flow rate through the vent, an actuator, configured to control the adjustable air vent, and an ambient energy harvester, configured to supply energy to the actuator, wherein the energy required for operating the actuator is provided by the ambiance.

A method and system is provided for determining the value of an attribute of ambient energy at a drilling assembly at the bottom of a borehole. Ambient energy includes kinetic energy, hydraulic energy and thermal energy. Attributes include vibration frequency spectrum, pressure difference, and temperature difference. The method uses energy harvested by at least one energy-harvesting sensor to power the system. The system generates data signals from at least one energy-harvesting sensor at one or more locations along a downhole drilling assembly, and transmits data up the borehole.

An ambient energy collector for use in AC / DC applications is described. The ambient energy collector has at least one ambient energy collecting antenna system and a master control unit for operational control of the at least one ambient energy collecting antenna system. The ambient energy collector has a DC voltage boosting circuit for increasing an input voltage, a DC primer power source for powering up the voltage boosting circuit via the input voltage, at least one antenna system for collecting ambient energy, an energy collection circuit for converting and amplifying an AC voltage collected by the antenna of the at least one antenna system into a DC voltage, and an output circuit for providing a load with the DC voltage.

An apparatus using reconfigurable integrated sensor elements with an efficient energy harvesting capability is described. Each sensor element has sensing and energy harvesting mode. In the sensing mode, the sensor element measures an environmental characteristic by generating electrical charge and outputs a time-encoded signal indicative of the measurement. In the energy harvesting mode, the sensor element itself is used to harvest energy from ambient energy source and makes it available to other sensor elements or circuit components. The sensing element is switched from the sensing mode to the energy harvesting mode when the electrical charge reaches a predetermined threshold. An image sensor device using asynchronous readout for harvesting energy from incident light while generating images is also described.

Various methods and apparatus for providing deep brain stimulation for the treatment of diseases such as Parkinson's Disease that do not require an onboard power supply that is implanted in the patient's body. Power may be supplied from outside of the body by, for example, near-field inductive coupling with an external power supply provided in, for example, a headgear worn by the patient. Power may also be supplied by providing an antenna for harvesting ambient energy, such as ambient RF energy, and converting it into DC power. In addition, the methods and apparatus provide for remote, wireless programming of the parameters that specify the nature of electrical pulses provided to the brain via probes implanted in the brain.

An energy harvesting system for a vehicle includes a vehicle component having an outer surface facing an exterior of the vehicle and an inner surface facing an interior compartment of the vehicle, and an energy harvesting module disposed in the vehicle component. The energy harvesting module includes an accessory battery and first and second energy harvesting devices. The accessory battery is configured to supply power to a vehicle accessory. The first energy harvesting device is electrically coupled to the accessory battery and is configured to harvest ambient energy collected from the exterior of the vehicle. The second energy harvesting device is electrically coupled to the accessory battery and is configured to harvest ambient energy collected from the interior of the vehicle. The energy harvesting module converts the harvested ambient energy to electrical energy.

An audio surround processing system receives an audio source signal having at least two audio channels and generates a number of additional surround sound signals in which an amount of artificially generated ambient energy is controlled in real-time at least in part by an estimate of ambient energy that is contained in the audio source signal. The system may divide the audio source signal into two sets of components; a first set of components and a second set of components. The first set of components may be in a range of frequency that is less than a range of frequency of the second set of components. An ambience estimate control coefficient may be generated using the transformed first set of components. An overall gain may be determined using the ambience estimate control coefficient. The overall gain may be used in generation of the additional surround sound signals.

The present invention provides apparatus and an associated method for remotely energizing power storage devices. Energization may preferably be effected through the use of RF energy from a base station, ambient energy or ultra-wide band energy. The remote station preferably has at least one antenna having an effective area greater than its physical area. The system may have an antenna and associated circuitry provided on an electronic chip such as a monolithic chip or on a printed circuit with a suitable substrate.

The present invention relates to a compact omnidirectional energy harvesting system consisting of a semi-spherical (geodesic dome) shaped photovoltaic collector- and vertical-axis wind turbine, equipped with a power management system to convert, optimize and store the resulting solar, wind and auxiliary energy into electrical energy. The present invention has auxiliary energy capture ports to harvest ambient energies such as thermoelectric, piezoelectric, electromechanical, hydroelectric, rectifying antenna, electrostatic and electrochemical through plug-in modules. The resulting combined electrical energy, from all potential sources, is stored in rechargeable batteries or capacitors for eventual consumption to power lights, sensors, beacons, transmitters, cameras, wireless communications, or to provide a power supply in remote locations.

A sensor network that is easy to deploy and substantially maintenance-free is disclosed. Sensor networks in accordance with the present invention include a base station and at least one sensor node that is operative for monitoring the occupancy of an area and wirelessly communicating information to the base station. The sensor node includes an energy harvester for converting ambient energy into electrical energy and an energy manager that enables self-powering of the sensor node using only the electrical energy derived from the ambient energy. The energy manager also includes a cold-start module that enables initiation of sensor-node operation even in the absence of any stored energy onboard the sensor node.

An Internet-of-Things (IoT) system includes energy harvesting devices, IoT devices, and a monitoring device. The energy harvesting devices harvest the same or different types of ambient energy to provide a single-mode or multi-mode energy harvesting function, respectively. Each IoT device coupled to at least one energy harvesting device includes a control module, a wireless network module, and an energy storage module. The control module determines, according to energy supplied by the at least one energy harvesting device, whether to control the at least one energy harvesting device to supply energy to the IoT device and charge the energy storage module, or whether to control the energy storage module to supply energy to the IoT device. The wireless network modules of the IoT devices are coupled together to form a wireless ad hoc network (WANET). The monitoring device monitors operating conditions of the IoT devices through the WANET.

An information carrier in a preferred embodiment is worn like a dog-tag and carries data such as medical information. The tag operates wirelessly, communicating with a nearby reader which interrogates the tag with a selected combination of RF signal frequencies. Extremely long term battery usage is achieved by connecting the battery in the tag only when the proper combination of RF signals, each at least at a minimum threshold power level, is received at the tag to produce a trigger voltage in activation logic to close a solid state switch. After a sequence of communications between the reader and the tag is then completed to transfer selected data from the memory, the battery is again disconnected to preserve battery energy for very long periods of time. The battery may be slowly recharged by ambient energy using a scavenging antenna array.

A dual compensation operational amplifier is suitable for use in an environment that experiences fluctuations in ambient energy levels. A dual compensation impedance can be determined to nullify or compensate for effects of an input offset voltage or an input bias current or both. Adjustments to the dual compensation impedance can be made based on calibration data for various environmental conditions so that the dual compensation impedance can be either pre-set for anticipated conditions in different target operational environments, or automatically adjusted in-situ. Target operational environments that may benefit from such a dual compensation impedance include remote areas that experience extreme or variable temperatures, high altitudes, space, or high radiation environments.

A self-powered illumination assembly for a vehicle includes a closure panel and a sill protector mounted adjacent to the closure panel. An energy harvesting device is configured to convert ambient energy to electrical energy. A storage device is electrically connected to the energy harvesting device to store the electrical energy. An illumination member is electrically connected to the storage device and is configured to be illuminated by electrical energy supplied from the storage device. A sensor is connected to the sill protector and is configured to supply the stored electrical energy to the illumination member when movement of the closure panel is detected.

A power distribution method is applied to control an energy harvesting system that includes an ambient energy source, an energy storage, a power converting circuit and a control unit. With the power distribution method, the excess power generated by the ambient energy source is transmitted to charge the energy storage through an indirect power flowing path, or the load side is powered by the energy storage through another indirect power flowing path. Therefore, the number of inductor switches of the power converting circuit can be reduced to mitigate switching loss and ensure higher power conversion efficiency.

The invention relates to an energy distribution method and an energy distribution system based on a maintaining state in a nonvolatile processor. The energy distribution method comprises the steps ofbuilding an energy distribution model according to available energy stored in a capacitor after a system is powered down; acquiring system energy recovering time according to sampled data of the environment energy; working out a path between an energy break point to the furthest point where a command can be executed according to the available energy; screening out a node of which the sum of continuous executing energy and backup energy is less than the available energy stored in the system capacitor to serve as an available backup point, and working out maintenance time and continuous executing time according to the energy distribution model; comparing the sum of the maintenance time and the continuous executing time with the system energy recovering time, if the sum is more than the system energy recovering time, performing data maintenance, and if the sum is less than the system energy recovering time, computing earnings of the available backup point in the case of performing data maintenance and in the case of directly backing up without maintenance and comparing the earnings, and performing data maintenance or data backup according to a comparison result.