113 results about "Super high frequency" patented technology

To improve the problems of conventional mine detectors, the purpose of the present invention is to provide a smart wearable mine detector comprising a human body antenna unit 100, a main microprocessor unit 200, a smart eyeglasses unit 300, a body-mounted LCD monitor unit 400, a wireless data transmission and reception unit 500, a belt-type power supply unit 600, a black box-type camera unit 700, and a security communication headset 800, the smart wearable mine detector: can be detachably worn on the head, torso, arm, waist, leg and the like of a body while a combat uniform is worn, thereby having excellent compatibility with conventional combat uniforms; enables a human body antenna unit which is detachably attached to a body and detects a mine through a super high-frequency RF beam and a neutron technique to be applied so as to detect the mine by identifying metals, nonmetals, and initial explosives of the mine; enables mines buried on the ground and under the ground to be detected in all directions (360°), and a distance, location, form, and materials of the mines to be exhibited on smart eyeglasses and a body-mounted LCD monitor unit in real time as 2D or 3D images such that a combatant can engage in battle avoiding mines, thereby improving combat efficiency by 90% when compared to existing combat efficiency; enables a battle to be carried out for three to seven days through a twin self-power supply system of a portable battery and a belt-type power supply unit even without need for charging power; and enables combat situations in a remote place to be monitored, in real time, in a remote combat command server, and allows each combatant to share combat information one to one such that it is possible to construct a smart combat command system capable of remotely commanding real combat situations as if one was on site of the battle.

The invention provides an RFID based intelligent refrigerator system in which a super-high frequency reader-writer, super-high frequency RFID tags, an operating panel, a fingerprint identifier, an Arduino development board, a miniature electronic scale, a door magnetic switch and a wireless communication module component are combined with a refrigerator. The fingerprint identifier is arranged on the outer side of the refrigerator, identifies the identity of a user and meanwhile records the time when the user uses the refrigerator, food material weights and other information. The reader-writer is arranged in the refrigerator and reads food material information attached with the RFID tags, then system reads the food material information from a background database and displays the information on the operating panel, and the user can perform interactive operation on a display screen to check the food materials stored in the refrigerator and query cookbook recommendations of the food materials and specific making methods of dishes; the user checks the expiration dates, source tracing information and the like of the food materials, takes out or puts in the food materials, the system automatically updates a food material list, records the information of the food materials taken out by the user, automatically draws a diet curve by judging the situations of edible food materials and gives out reasonable diet suggestions according to the actual health condition of the user.

The objective is to provide a gas turbine and the combustor thereof in which super high frequency combustion oscillation and the generation of NOx are reduced. The fluctuation in pressure which induces the fluctuation in heat liberation is suppressed in the gas turbine combustor comprising a plurality of main fuel supply nozzles, each having a premixing nozzle at the top end part thereof, by providing in the space upstream from the premixing nozzles partition elements for dividing the space along the axis of the combustor or a honeycomb element having air passages in the axial direction, or by providing premixing nozzles composed of cylindrical elements with many holes.

A method of fabricating an ultra-high frequency module is disclosed. The method includes providing a top layer; drilling the top layer; milling the top layer; providing a bottom; milling the bottom layer to define a bottom layer cavity; aligning the top layer and the bottom layer; and adhering the top layer to the bottom layer. The present invention also includes an ultra-high frequency module operating at ultra-high speeds having a top layer, the top layer defining a top layer cavity; a bottom layer, the bottom layer defining a bottom layer cavity; and an adhesive adhering both the top layer to the bottom layer, wherein the top layer and the bottom layer are formed from a large area panel of a printed circuit board.

Provided is a system and method for configuring a multi-hierarchical cell in which a large-scale mobile backhaul technology and a small cell technology are combined. A mobile backhaul may increase a transmission capacity of a wireless backhaul using a super high frequency (SHF)/extremely high frequency (EHF) band, rather than a cellular band having a limitation in extending frequency resources, and a small group cell to be formed at a final end of the mobile backhaul may be configured by fixed group cells or mobile group cells depending on a radio environment, using a moving relay, wireless fidelity (WiFi), femto-cells, and the like, whereby cells may be miniaturized effectively, and a relatively great capacity of a wireless system may be provided to a subscriber.

The invention relates to Radio Frequency (RF) antennas suitable for receiving and/or transmitting digital signals in the Ultra High Frequency (UHF) and/or Very High Frequency (VHF) ranges. The invention comprises a modular driven DUV antenna comprising a driven DUV element, an RF signal line RF communicatively connected to the driven DUV element, and an antenna mount supporting the DUV element; and a modular RF signal enhancer, supported by the antenna mount and selected from: an RF amplifier and a passive RF enhancer positioned to enhance the RF performance of the DUV antenna and comprising one of: an RF director, an RF reflector, and an RF booster.

The invention relates belongs to the technical field of communication and relates to a monitoring system, in particular to a transformer partial discharge online monitoring system. The transformer partial discharge online monitoring system comprises a diagnostic analysis unit, and a communication unit is connected to the diagnostic analysis unit. A plurality of collecting units are connected to the communication unit, and a plurality of sensing units connected with an electric transducer are connected to each collecting unit. A plurality of different types of sensors bound together are connected to each sensing unit, and a power supply module is arranged on each sensor. Compared with the prior art, the transformer partial discharge online monitoring system has the advantages that a piezoelectric sensor keeps away from the magnetic noises of an iron core and the mechanical vibration and noises of a transformer; a super-high-frequency sensor does not play a role of capacity coupling but plays a role of an antenna for receiving super-high-frequency signals, the diagnostic analysis unit can simultaneously start the operation of a plurality of modules to realize data reference among the different modules; the communication unit has diversified ways and also can be suitable for all kinds of environment in the data transmission process.

An anti-metal ultra-high frequency electronic tag composed of a multi-layer antenna, including a substrate, an antenna receiving/transmitting surface, a ground plane, an ultra-high frequency electronic chip placed on the antenna receiving/transmitting surface, an auxiliary substrate, and an auxiliary receiving/transmitting surface launch surface. The positive and negative poles of the UHF electronic chip are connected to the receiving/transmitting surface of the antenna through the feeder; the receiving/transmitting surface is connected to the ground part isolated by the substrate through one or a row of feeding holes; the auxiliary receiving and transmitting surface is isolated through the auxiliary substrate . When the antenna ground plane is in use, it is directly connected to the metal surface, and the metal surface becomes the antenna ground plane in actual use to achieve the purpose of anti-metal; the role of the auxiliary receiving/transmitting surface is to increase the surface area of ​​the antenna to enhance the electromagnetic wave The effect of energy reception/emission. Such a three-dimensional design can reduce the size of the antenna while increasing the area of ​​the antenna.

The invention relates to a GIS acoustic electric combined partial discharge simulation detection system. The system comprises an information acquisition module, an information fusion module and a PD fault positioning module. An output terminal of the information acquisition module is connected to an input terminal of the information fusion module. An output terminal of the information fusion module is connected to the PD fault positioning module. In the invention, an acoustic electric combined positioning detection method is used; an arrival time difference is used and a BP neural network is combined to fuse data results of an ultrasonic wave and a super-high frequency; and the partial discharge simulation detection system is constructed so as to realize GIS discharge position positioning.

A super tweeter includes a magnetic base, a voice coil, a frame annularly mounted to the magnetic base, a central supporting member mounted on a central portion of the magnetic base, a diaphragm, an annular inner supporting member, and an annular outer supporting member. The diaphragm is connected between an annular outer side of the annular inner supporting member and an annular inner side of the annular outer supporting member. An annular inner side of the annular inner supporting member is engaged with the central supporting member. An annular outer side of the annular outer supporting member is engaged with the frame. The annular inner supporting member and the annular outer supporting member cause the diaphragm to vibrate in a balanced manner, generating super high frequency range of sound waves.

This invention relates to one remote non-contact IC read card tool and its method, wherein, the device comprises the following parts: base band data process unit, micro controller, PLL frequency integration super high frequency signal circuit module, power control circuit unit, emission power amplifying unit and base band signal process circuit, wherein, the base band data process unit is of FPGA base band process unit composed of front and back link to realize read card communication agreement and frame process and system time sequence control. This invention progress adopts FPGA chip by use of inner programmable logic materials.

An emitting circuit of the hyper-high-frequency radio frequency recognizing read-write machine pertains to the hyper-high-frequency radio frequency recognizing read-write machine technique field, which is characterized by containing a baseband control module, an up-conversion module and a power amplification module. The power amplification module is under the control of the baseband control module at a non-linearity operating status, emits a single frequency banner carrier signal to the radio frequency label, and provides energy required by the work to the radio frequency label; after the single-chip receives the radio frequency answer, the power amplification module is at the linearity operating status, and the single-chip transmits instructions to the radio frequency label by the up converter and the power amplifier. The power consumption of the invention is lower than the power consumption of the general emitting circuit using single linear power amplifier.

The invention belongs to the technical field of analog integrated circuit designs, in particular to a dynamic comparator circuit of a super-speed flash type analog-to-digital converter. The circuit comprises a double-tail latching comparator and a dynamic disorder cancellation circuit. The circuit operation is divided into the following four steps: disorder storage, input signal storage, comparison and reset. Compared with the traditional latching comparator, the double-tail latching comparator can operate under the state of super high frequency. The dynamic comparator has the advantages that the dynamic cancellation of disorder voltages is eliminated without a preposing amplifier, thus the power consumption is reduced greatly; and in addition, the overdrive voltage of an input transistor is independent of the input common-mode voltage and threshold voltage of the input transistor, so the overdrive voltage of the input transistor can be optimized to further reduce the random disorder voltage. By utilizing the dynamic comparator circuit provided by the invention, the comparison of a super speed signal can be realized with lower power consumption, and moreover, high resolution ratio can be realized.

To provide a speaker for reproducing ultrahigh frequencies which outputs ultrahigh frequencies up to 100 kHz with stable sound pressure. A speaker for reproducing ultrahigh frequencies of the present invention comprises a schematically disk-shaped piezoelectric ceramic vibrator wherein a piezoelectric ceramic and a metal substrate are bonded; a dome-shaped diaphragm attached to said piezoelectric ceramic vibrator; and a panel which fixes an outer peripheral part of said piezoelectric ceramic vibrator and has an opening part in a front face of said dome-shaped diaphragm, wherein the diameter of the dome part of said dome-shaped diaphragm is made to be 0.5 to 0.8 times the effective. movable diameter of said piezoelectric ceramic vibrator.

The invention belongs to the field of magnetic materials and components, and relates to a high-frequency microwave electromagnetic device and a high-frequency magnetic thin film, in particular to an integrated thin-film narrowband band-stop filter and a design method thereof. The magnetic thin film and a coplanar waveguide are integrated; a non-single frequency point narrowband band-stop filter is formed by applying angular magnetic fields to the plane of the thin film in different directions; the complicated design of a plurality of resonant cavities is overcome; the structure is simple; and the volume of the filter is reduced. An interference signal can be attenuated within super-high frequency (SHF, 3-30GHz) and extra-high frequency (EHF, 30-300GHz) ranges; a useful signal is not affected; and the requirement of suppressing noise harmonics in a non-single frequency band is met. Furthermore, manufacturing of the filter can be achieved by combining a thin film technology with a microelectronics lithography process; and the process is simple and easy to implement.

An apparatus and method for transmitting a signal needed for beam acquisition in a wireless communication system operating in a super-high frequency band are provided, in which a small reference modulation symbol length relative to a data modulation symbol length is determined, taking into account a communication characteristic of a Mobile Station (MS), a data modulation symbol generated by modulating a data signal using a predetermined modulation scheme is transmitted according to the determined data modulation symbol length, and a reference modulation symbol generated by modulating a reference signal using the predetermined modulation scheme is transmitted according to the determined reference modulation symbol length.