31 results about "Electromagnetic signal receiver" patented technology

A portable weather detection and alarm device includes an electromagnetic signal receiver that receives digital time signals and atmospheric phenomenon signals. A processor connected to the electromagnetic signal receiver processes the atmospheric phenomenon signals to determine when an atmospheric event has occurred. An alarm connected to the processor that indicates the occurrence of an atmospheric event.

A portable weather detection and alarm device includes an electromagnetic signal receiver that receives digital time signals and atmospheric phenomenon signals. A processor connected to the electromagnetic signal receiver processes the atmospheric phenomenon signals to determine when an atmospheric event has occurred. An alarm connected to the processor that indicates the occurrence of an atmospheric event.

The invention relates to a device for electromagnetic linear adjustment of underground injection production flow rate, which consists of an adjustable electromagnetic signal emitter arranged in a position of an underground pipe column corresponding to an offset bottom-hole regulator; the pipe column of the bottom-hole regulator is provided with an electromagnetic signal receiver, a connecting electric drive controller and a connecting drive motor in turn; an output shaft of the drive motor is in spiral connection with a valve handle; and the lower end of the valve handle is connected with a valve ball on a valve seat. The electromagnetic signal emitter is overhung in the underground pipe column by steel wire pulled by a winch through a pulley; and an emitting window of the electromagnetic signal emitter corresponds to the electromagnetic signal receiver. An electronic testing and adjusting device is arranged on an eccentric hole of each layer of the bottom-hole regulator in the water injection well, automatically tracks according to measured results and carries out on-line measurement and adjustment to the water injection volume in each layer. The device for electromagnetic linear adjustment of underground injection production flow rate can set the water injection volume of each underground layer on the ground and automatically track steady-flow water injection according to the injection allocation volume, thereby radically solving the difficult problems in the injection allocation production of the oil field water injection well, reasonably utilizing the resource to exploit petroleum and saving water resource.

The invention relates to apparatuses for internal pipe non-destructive control of pipelines. Technical result is increasing of operational reliability of the internal pipe pig based on use of wireless means for transmitting data and control signals between both internal pipe measurement, diagnosis and control means outside the pig and on-board processing and storing means. An internal pipe pig comprises an electronic system of the pig, comprising wireless data transmission means which comprise at least one electromagnetic signal transmitter, measuring and measured data processing means comprising at least one measuring unit and at least one data processing unit, wherein the wireless data transmission means also comprise at least one high-frequency electromagnetic signal receiver for receiving the transmitted data, which is connected to the data processing unit.

A system estimates the utilization of an electromagnetic signal receiver. The system includes a detection module and a processing module. The detection module receives electromagnetic signals from a surrounding environment. The electromagnetic signals are chronologically segregated into a plurality of dwells each with an elapsed time. The processing module controls the scanning of the surrounding environment. The processing module receives data about the signals from the detection module. The processing module computes a plurality of utilizations by dividing each individual elapsed time by a predetermined sample interval. The processing module further determines a total utilization by adding the plurality of utilizations.

A system time thresholds dwells executed by an electromagnetic signal receiver. The system includes a detection module and a processing module. The detection module receives electromagnetic signals from a surrounding environment. The electromagnetic signals are chronologically segregated into a plurality of dwells each with a dwell time. The processing module controls the scanning of the surrounding environment. The processing module sets dwell parameters and determines whether to skip the execution of particular dwells. The processing module receives data about the signals from the detection module.

The present invention relates to a device for generating soft tissue contrast images of an area of interest of an examination object (5) comprising soft tissue. The proposed device comprises: an x-ray source unit (2, 3) for emitting one or more pulsed pencil x-ray beams (4), an actuator (8, 9) for actuating said x-ray source unit (2, 3) along and / or around said area of interest to direct said one or more pencil beams (11) onto said area of interest from various directions, an electromagnetic signal receiver (11) for receiving electromagnetic signals from the area of interest resulting from absorption and scatter of x-ray photons within the area of interest, and a signal processor unit (12) for processing said received electromagnetic signals and reconstructing a soft tissue contrast image of the area of interest.

The instrument utilizes at least one electromagnetic signal transmitter and at least one electromagnetic signal receiver with the receiver detecting a receiver signal responsive to the transmitter signal and indicative of subterranean details adjacent to the instrument. The instrument is attachable to a tow vehicle for transport and includes a GPS antenna and tags data gathered by the instrument with GPS position information. The instrument is formed in modular sections which can be removably attached for collapsing into a smaller space and to allow for flexible configuration of the instrument in various different ways. A wheeled carriage is provided to carry the instrument over the ground. Antennas for the transmitter and receiver, as well as circuitry and cooling systems are all provided to supply the instrument with high resolution and a clear signal indicative of the position and characteristics of subterranean details of interest.

An electromagnetic signal receiver and methods for determining the noise level and signal power in a signal of interest while the receiver is operating. In some embodiments, the signal of interest is a GPS signal. The receiver includes a noise source that provides a noise signal of known power during intervals while the signal of interest is observed. By measuring a signal-to-noise ratio for the signal of interest and the noise power in the signal of interest, the noise level and signal power of the signal of interest can be computed. Various methods of making the measurements and computing the power of the signal of interest are described. Applications of the system and method are described.

The signal isolator for mobile phone includes casing, external receiving antenna, external emitting antenna, electromagnetic signal receiver, electromagnetic interference signal emitter and control processor. The receiver consists of antenna, frequency selector circuit, filter, amplifier circuit, HF amplifier and detection circuit. The electromagnetic interference signal emitter consists of signal source circuit, vibrating and modulating circuit, amplifier circuit, power amplifying circuit, power indicating circuit and emitting antenna. The electromagnetic interference signal emitter and the receiver are connected to the control processor. The present invention adopts intermittent electromagnetic interference mode to block the channel connection between the mobile base station and the mobile phone in certain range and to disable the information transceiving function of mobile phone.

A household electrical appliance comprises a wireless power supply device, at least one repeater and a power utilization device. The wireless power supply device emits an electromagnetic signal when power-on; the repeater is arranged in the coverage range of the electromagnetic signal emitted by the wireless power supply device, and transmits the electromagnetic signal when receiving the signal; and an electromagnetic signal receiver is arranged in the power utilization device, and generates current to supply power to the power utilization device when the electromagnetic signal is detected. Thus, the working radius of the wireless power supply device can be increased.

The invention relates to apparatuses for internal pipe non-destructive control of pipelines. Technical result is increasing of operational reliability of the internal pipe pig based on use of wireless means for transmitting data and control signals between both internal pipe measurement, diagnosis and control means outside the pig and on-board processing and storing means. An internal pipe pig comprises an electronic system of the pig, comprising wireless data transmission means which comprise at least one electromagnetic signal transmitter, measuring and measured data processing means comprising at least one measuring unit and at least one data processing unit, wherein the wireless data transmission means also comprise at least one high-frequency electromagnetic signal receiver for receiving the transmitted data, which is connected to the data processing unit.

A non-trigger fuze electromagnetic signal single-channel receiver system is suitable for the communication field. The system consists of an AC amplifier, a band-pass filter circuit, a detection circuit, and a DC amplifier automatic gain control circuit. The performance of the designed non-trigger fuze electromagnetic signal single-channel receiver system is stable, and the parameters meet the design requirements, so it has high application value. The circuit structure is compact, the volume is small, the work is stable, the power consumption is low, the work efficiency is improved, and it has good anti-interference and reliability.

The invention discloses a hand-held fire extinguisher comprehensive management system based on the Internet of things and an implementation method. The hand-held fire extinguisher comprehensive management system comprises a controller, a handheld terminal with an electromagnetic signal transmitter, a control center, a power supply connected to the controller, an acousto-optic alarm, a positioner used for positioning the fire extinguisher, a time monitoring module used for recording the validity period of the fire extinguisher, an electromagnetic signal receiver used for receiving electromagnetic signals emitted by the handheld terminal, and a communication module connected to the controller and used for transmitting control signals between the controller and the control center. According to the hand-held fire extinguisher comprehensive management system and the implementation method, the purposes of comprehensive management and high working efficiency are achieved.

The invention relates to a measuring device for condyle guide inclination, comprising a transmitter, a receiver, a processor, a first measuring fixture and a second measuring fixture; the transmitter is used for transmitting electromagnetic signals for measuring the position of the condyle; the receiver is used for measuring the position of the condyle. The position information is obtained by solving; the first measuring fixture is used to clamp the receiver, providing a measurement reference point to realize the static position measurement of the left and right condyles; the second measuring fixture is used to clamp the receiver to the follow-up of the mandibular movement to measure the static position of the follow-up point and the dynamic pose data when the receiver moves with the mandible; the processor is used to calculate the position difference between the left and right condyles and the follow-up point; according to the measured dynamic pose data Combined with the position difference data, the dynamic trajectories of the left and right condyles are calculated, and then the condyle guide slope is calculated. The condyle guide inclination calculated by the invention has strong practical application value, and significantly improves the possibility of applying the electromagnetic facebow to the market.

The signal isolator for mobile phone includes casing, external receiving antenna, external emitting antenna, electromagnetic signal receiver, electromagnetic interference signal emitter and control processor. The receiver consists of antenna, frequency selector circuit, filter, amplifier circuit, HF amplifier and detection circuit. The electromagnetic interference signal emitter consists of signal source circuit, vibrating and modulating circuit, amplifier circuit, power amplifying circuit, power indicating circuit and emitting antenna. The electromagnetic interference signal emitter and the receiver are connected to the control processor. The present invention adopts intermittent electromagnetic interference mode to block the channel connection between the mobile base station and the mobile phone in certain range and to disable the information transceiving function of mobile phone.

The invention discloses a three-dimensional artificial source electromagnetic exploration method for measuring three-dimensional changes of underground resistivity. The method comprises the following steps of: arranging one current sending source or simultaneously arranging more current sending sources in a region to be explored; simultaneously arranging a plurality of measuring lines in the region to be explored, and arranging a plurality of measuring points on each measuring line; simultaneously arranging receiving electrodes or magnetic probes of which the number is the same as that of the measuring points on each measuring point of each arranged measuring line; connecting each measuring receiving electrode or magnetic probe with a corresponding electromagnetic signal receiver by using a guide line; sending a series of exciting current with different frequencies from high to low or from low to high from the current sending source(s) to the underground of the region; simultaneously receiving an electric or magnetic response signal of an underground object on each frequency exciting current by using each receiver; and extracting underground resistivity information from the electric or magnetic response signal. By the method, the efficiency and resolution capability of electromagnetic exploration can be obviously improved, the exploration speed is greatly increased, the cost is reduced, energy resources are saved, and the requirement of rapid economic development on resource exploration is met.