89results about How to "Effective distance" patented technology

Inductive power transfer across an extended gap (100) from a primary conductor (119) is provided by means of a resonant intermediate loop comprised of capacitor (118) with inductor (117) carrying a larger resonating current, that can in turn generate an inductive field to be collected by a pickup coil (120). This process and device find application in an electroluminescent advertising panel.

A wireless power feeding system capable of long distance and highly efficient space transmission of power is provided. A wireless power feeding system includes a power transmitter, a power receiver, and a power receiving body. The power transmitter generates electromagnetic waves. The power receiver is supplied with power by means of the electromagnetic waves received from the power transmitter using a magnetic field resonance phenomenon. The power receiving body is inserted into an electromagnetic field created by the power transmitter and the power receiver, and receives power by means of the electromagnetic field.

A power transmission system transmits power underwater between a power-transmitting device and a power-receiving device of which at least one is capable of moving freely underwater. In this power transmission system, the power-transmitting device and the power-receiving device are each provided with a resonance coil that performs the power transmission wirelessly underwater by means of magnetic field resonance. At least one of the power-transmitting device and the power-receiving device is provided with a balloon that internally houses the resonance coil of its own device.

Disclosed herein are a coil resonant coupler for short distance wireless power communication and a short distance wireless power transmitting apparatus comprising the same. The coil resonant coupler for short distance wireless power communication comprises a first coil installed perpendicularly to a first axis; a second coil installed perpendicularly to a second axis perpendicular to the first axis; and a third coil installed perpendicularly to a third axis perpendicular to each of the first and second axes. The short distance wireless power transmitting apparatus comprises a primary side core comprising the above-described coil resonant coupler, a position sensing unit which senses a position of the wireless power receiving apparatus to generate position information, and a transmission controlling unit which controls the primary side core based on the position information.

A method and apparatus for effective through-the-earth communication involves a signal input device connected to a transmitter operating at a predetermined frequency sufficiently low to effectively penetrate useful distances through-the earth, and having an analog to digital converter receiving the signal input and passing the signal input to a data compression circuit that is connected to an encoding processor, the encoding processor output being provided to a digital to analog converter. An amplifier receives the analog output from the digital to analog converter for amplifying said analog output and outputting said analog output to an antenna. A receiver having an antenna receives the analog output passes the analog signal to a band pass filter whose output is connected to an analog to digital converter that provides a digital signal to a decoding processor whose output is connected to an data decompressor, the data decompressor providing a decompressed digital signal to a digital to analog converter. An audio output device receives the analog output form the digital to analog converter for producing audible output.

There is provided a touch display device including a display and a touch control device. The display includes a glass substrate. The touch control device is attached to the glass substrate and includes a touch zone, a fingerprint detection zone and a control circuit. The touch zone includes a matrix of first detecting cells arranged at a first grid distance. The fingerprint detection zone includes a matrix of second detecting cells arranged at a second grid distance. The control circuit is configured to control detection operations of the touch zone and the fingerprint detection zone and to adjust an effective grid distance of the fingerprint detection zone according to a first detected touch position.

The present invention concerns holding frames as in FIG. 1 for use in an integrated electrolyser module of the filter-press type for the electrolytic production of gasses with internal degassing chambers and further concerns an electrolyser comprising said module.

An in-wall video/audio signal adapter device including a first adapter and a second adapter. The first adapter includes a transmitter unit fixed on a mount. The mount can be locked in a first cavity previously formed on a wall. The second adapter includes a receiver unit fixed on a mount. The mount can be locked in a second cavity previously formed on the wall. Internet signal transmission cables are previously embedded in the wall. The Internet signal transmission cables are connected between the first adapter and the second adapter.

A wireless power transfer device including: a power transmitter 1 including a power transmission resonator composed of a power transmission coil and a resonant capacitance; and a power receiver including a power receiving resonator composed of a power receiving coil and a resonant capacitance. The wireless power transfer device further includes a power-transmission auxiliary device including an auxiliary resonator composed of an auxiliary coil and a resonant capacitance. The power-transmission auxiliary device and the power transmitter are configured to be disposed so as to face each other, forming a power receiving space for disposing the power receiving coil between the power transmission coil and the auxiliary coil. An efficient power transfer can be performed without providing an adjusting circuit in the power receiver even when the power receiving coil is not appropriately disposed with respect to the power transmission coil.

The present invention provides for a system and method for measuring the height of a guest at a theme park, including employing an ultrasonic emitter and sensor to determine height. The park may have a plurality of different predetermined minimum height ranges or categories for certain rides and attractions, which must be met by a guest before the guest is allowed to participate. The results of the height measurement are provided on indicia and given to the guest to use at rides throughout the park. The device may be a wristband affixed to the guest, and displaying a color or symbol based on the height of the guest. The guest would be allowed to participate in an attraction provided the color code matches the minimum requirements of the attraction. This present invention may eliminate the need to check the height of the guest at each ride.

The present invention relates to a milling machine processing system with an intelligently follow-up cutting fluid nozzle and a working method. The milling machine processing system comprises a workpiece stage, wherein a milling machine box body is arranged above the workpiece stage; a milling cutter mechanism is mounted on the milling machine box body for processing workpieces on the workpiece stage; a rotating mechanism is mounted on an end surface of the milling machine box body located at one side of a milling cutter; the rotating mechanism is connected with a two-axis linkage mechanism and drives the two-axis linkage mechanism to rotate about a center line on which the milling cutter is located; the two-axis linkage system is connected with a nozzle through an angle adjusting mechanism and is used for adjusting a position and an angle of the nozzle.

The invention provides a method for measuring internal force of a guy cable in active service, which comprises the following steps: selecting two points on a guy cable to be measured, and fixing the two points so that a cable section to be measured between the two points is formed into a string pattern; selecting a point on the cable section to be measured between the two points, jacking a height at the point, and measuring the height and the jacking force required for jacking the height; and according to the height, the jacking force and the distance between the two points, using the stress rigidization effect of the guy cable and a principle of statical equilibrium to evaluate the internal force of cable section to be measured. The method has the advantages of convenient measurement, high precision and low measuring cost. The invention also provides a measuring device using the method.

An improved structure for a golf club head having been fixed on the back of the striking face with a compression coil in the direction following the striking of the ball with one end of the coil soldered to the center on the back of the face and another end fixed to a press bar, both sides of the press bar being welded to the back of the string face for the compression coil to hold against and fix to the back of the striking face to sufficiently upgrade its coefficient of resilience, thus the driving distance.

An electronic device with modulization parts includes a first main body, a first wireless transmission port having a first circuit board and a first induction pad, a second main body detachably coupled to the first main body, and a second wireless transmission port having a second circuit board, a second induction pad, an induction cap and an elastic conductive member electrically conducted to the second induction pad and the induction cap. The first circuit board is disposed on the first main body. The first induction pad is electrically connected to the first circuit board. The second circuit board is disposed on the second main body. The elastic conductive member physically supports the induction cap so that the first induction pad induces the second induction pad through the induction cap.

An ion guide array is disclosed comprising a first ion guide section and a second ion guide section and optionally further ion guide sections. Each ion guide section may comprise a plurality of electrodes having an aperture through which ions are transmitted in use. A transfer section is arranged at the exit of the first ion guide section and ions are transmitted radially from the first ion guide section into the second ion guide section. The electrodes in the transfer section may have a radial aperture enabling ions to be transmitted radially from the first ion guide section to the second ion guide section.

The invention provides a fluid discharge apparatus (102) and a method of use. The apparatus (102) comprises a body (106) comprising an inlet (122) configured to receive fluid from a fluid source, and one or more fluid discharge ports (140). A valve arrangement (124) in the body (106) is operable to be cycled to provide an interrupted flow of fluid through the body (106). The valve arrangement (124) may be disposed in the body (106), and/or may be operable to be moved between a first condition in which fluid entering the body (106) from the inlet (122) is prevented from passing through the apparatus (102), and a second condition in which fluid is discharged through the one or more fluid discharge ports (140). The valve arrangement (124) may be operable to cycle between the first condition and the second condition to provide an interrupted flow of fluid through the body (106).

A scanning device includes a transparent platen, a scanning module, a document transporting mechanism and a flexible pressing member. The scanning module is located in a scan zone and acquires through the transparent platen an image of a document. The document transporting mechanism transports the document along a passageway and across the scan zone. The flexible pressing member is disposed in the passageway, upstream of the scan zone or within the scan zone and located apart from the transparent platen by a gap. The flexible pressing member is deformed in a direction away from the transparent platen due to a force applied by the document transported across the scan zone.