34results about How to "Wide range of adjustment" patented technology

A conductor member contains a linear feed waveguide extending in a fixed direction and a plurality of horn antennas coupled to the feed waveguide and set at an interval of about one half of a wavelength in the extending direction of the feed waveguide. The horn antennas are formed by horns and coupling waveguides, and the coupling waveguides are set so as to partially enter the feed waveguide. When the size of the spatial coupling portion formed by the entrance is changed, the degree of coupling between the feed waveguide and each of the coupling waveguides changes.

An adjustable locking mount system permits rotation about at least one of x, y, and z axes. Methods provide for rotating and rocking the mount to obtain the desired position, fixing the mount in the desired position, and mounting an object onto the mount.

A variable focus liquid lens includes: a lens barrel which is configured to include a first cavity to contain first and second liquids which are not mixed with each other in upper and lower portions of the first cavity, respectively; a fluid pressure driving unit which is configured to include a second cavity, a fluid pressure generating groove, and an actuator generating a fluid pressure on the second liquid so as to adjust the fluid pressure of the second liquid by using the actuator; a first transparent elastic membrane sealing an upper portion of the first cavity of the lens barrel; and a conductive transparent substrate sealing a lower portion of the second cavity of the fluid pressure driving unit. The focal length is adjusted by changing the curvatures of the surfaces of the first and second liquids and the curvature of the first transparent elastic membrane by a voltage.

To provide an exhaust pipe structure in which the length of the exhaust pipe can be elongated while the total dimension is restricted. Provided is an exhaust pipe structure which includes an upstream-side exhaust pipe connected to exhaust ports of an engine. An exhaust chamber is provided which has an exhaust-gas inlet and an exhaust-gas outlet, and in which the upstream-side exhaust pipe is connected to the exhaust-gas inlet. In addition, the exhaust pipe structure includes a downstream-side exhaust pipe which is connected to the exhaust-gas outlet and which extends in such a direction as to move away from the exhaust ports. In the exhaust pipe structure, the exhaust-gas inlet is formed at a position farther away from the exhaust ports than the exhaust-gas outlet is positioned.

The invention relates to a non-integer frequency difference eliminator and a phase-lock control loop that can produce non-integer clock; wherein, the frequency difference eliminator comprises a frequency difference eliminating circuit, a delay circuit and an option circuit. The frequency difference eliminating circuit is used for leading a clock signal to be divided by an integer preset value so as to obtain a frequency difference eliminating impulse. The delay circuit is used for delaying a first preset multiple and a second preset multiple respectively of the circle of the frequency difference eliminating impulse so as to produce a first delay impulse and a second delay impulse. The option circuit chooses one of the first delay impulse and the second delay impulse according to the frequency difference eliminating multiple so as to be used for being taken as the output impulse of frequency difference eliminator; wherein, the frequency difference eliminating multiple is between the first preset multiple and the second preset multiple.

A piezoelectric bulk wave device that includes a piezoelectric thin plate that is made of LiTaO₃, and first and second electrodes that are provided in contact with the piezoelectric thin plate. The piezoelectric bulk wave device utilizes the thickness shear mode of the piezoelectric thin plate made of LiTaO₃, and of the Euler Angles (φ, θ, φ) of LiTaO₃, φ is 0°, and θ is in the range of not less than 54° and not more than 107°.

The invention provides an air quantity adjusting apparatus for an ageing furnace. The apparatus comprises a flow deflector, an air quantity adjusting plate, an adjusting plate, an adjusting plate support an adjusting rod and an adjusting nut, the flow deflector is hinged to the air quantity adjusting plate, the air quantity adjusting plate is connected with the adjusting plate support, the adjusting plate support is hinged to the adjusting rod, the adjusting rod is provided with the adjusting nut, and the adjusting rod is arranged in a socket. The reasonable air quantity adjustment of the temperature change of circulating hot air in all positions in the furnace is carried out by the air quantity adjusting apparatus for the ageing furnace, so the temperature in the furnace tends to consistency, and no deformation or oxidation is realized. Block making does not take the influences brought by thermal expansion into account, so the temperature field of all areas in the furnace can be effectively adjusted, thereby a problem of the unimproved aluminum product quality due to the long-term non-uniform temperature of the aluminum ageing furnace is well solved, and the defects of high defective index, large energy consumption and low material performance of an aluminum product are solved.

A method for manufacturing a magnetized bonded magnet, including the steps of: arranging a magnetization permanent magnet for magnetizing a magnetic field near a non-magnetized bonded magnet; heating the non-magnetized bonded magnet to a temperature of a Curie point thereof or higher; and continuously magnetizing the magnetic field to the non-magnetized bonded magnet by the magnetization permanent magnet for magnetizing the magnetic field while cooling the non-magnetized bonded magnet reached at the temperature of the Curie point thereof or higher to a temperature of less than the Curie point, wherein the non-magnetized bonded magnet is a rare-earth iron bonded magnet including two or more different rare-earth elements in magnet powder thereof.

An adjustable locking mount system permits rotation about at least one of x, y, and z axes. Methods provide for rotating and rocking the mount to obtain the desired position, fixing the mount in the desired position, and mounting an object onto the mount.

Provided is a chain tensioner that can always provide a suitable reaction force and damping force to various tension fluctuations of the chain, has a simple structure, is easy to produce, and also enables a reduction in the production cost. The chain tensioner 100 has a plunger 120 inserted in a plunger bore 111, and biasing means 140 for biasing the plunger in a protruding direction of the plunger. A plurality of biasing means 140 are accommodated so as to freely expand and contract inside a high pressure chamber 101 and arranged in series along the protruding direction of the plunger 120, with a separator plate 130 interposed therebetween. The separator plate 130 has one or more oil passages that adjust oil flow.

Watch comprising a watchband fixed to a case, this watchband comprising an extending strand, and a buckle arranged to encircle a case or an element protruding from this watchband, formed by this extending strand or by an added buckle, and the buckle comprises a stop surface arranged to cooperate, in a fastened position, either with a first complementary stop surface of a case, or with a second complementary stop surface comprised in the protruding element of the watchband.

The invention discloses an alternating-current ice-melting electric reactor applicable to a contact net of a high-speed rail and a design method of the alternating-current ice-melting electric reactor. The electric reactor comprises an upper section of coil, a middle section of coil and a lower section of coil, wherein the upper section of coil, the middle section of coil and the lower section of coil are respectively connected to an upper connection bar, a middle connection bar and a lower connection bar; the upper connection bar, the middle connection bar and the lower connection bar are provided with a common wire input terminal; the wire input terminal is connected to a cable input wire; the upper section of coil, the middle section of coil and the lower section of coil are respectively provided with a first wire output terminal, a second wire output terminal and a third wire output terminal connected to a cable output wire; a plurality of supporting insulators are also arranged below the lower section of coil; and the plurality of supporting insulators are fixed on the ground. According to the alternating-current ice-melting electric reactor applicable to the contact net of the high-speed rail disclosed by the invention, operation key feature parameters and technical parameters of a dry type hollow electric reactor are determined according to system features and item requirements of an ice-melting device for the high-speed rail; and the capacity of the alternating-current ice-melting electric reactor applicable to the contact net of the high-speed rail is adjusted by adopting a multi-stage split type capacity adjusting technology.

Present invention discloses an intelligent privacy glass drive power supply. The drive power supply is connected to a power supply having an input voltage of 100-240 V. The drive power supply comprises an EMI filter, a bridge rectifier circuit, and a high frequency transformer electrically connected successively. Output terminals of the high frequency transformer are a DC 80 V constant voltage output circuit and a DC 12 V constant voltage output circuit respectively; a PWM control chip is electrically connected to a control terminal of the high frequency transformer; a 200 HZ inverter AC circuit is electrically connected to the DC 80 V constant voltage output circuit, and an output terminal of the 200 HZ inverter AC circuit is electrically connected to power supplied glass; a 5 V step-down circuit is connected to an output terminal of the DC 12 V constant voltage output circuit, and an output terminal of the 5 V step-down circuit is electrically connected to a power supplied MCU; an output terminal of the power supplied MCU is electrically connected to the 200 HZ inverter AC circuit and a wireless receiver respectively. The drive power supply of the present invention has a more stable dimming effect on privacy glass, and enables the privacy glass to reach a greater degree of regulation through two output constant voltage output circuits in the circuit, thus being more suitable for current environmental requirements for glass lighting.

A voltage equalization device for equalizing voltage fluctuations in a voltage supply is provided. The voltage supply has an electrical voltage that is as constant as possible. The voltage equalization device has at least one transformer unit which has a primary winding unit and a secondary winding unit and, on one of the two winding units, has at least three or more selection units for switching in or switching out turns of the winding unit. Two adjacent selection units are so arranged in each case as to be separated from one another by a distance having a number of turns. The number of turns between two first adjacent selection units is different from the number of turns between two further adjacent selection units.

A magnetic gravity compensator comprises a stator (1), a rotor (2), a base (4) and an adjustment mechanism (6). The stator (1) is disposed on the base (4), and the rotor (2) is levitated with respect to the stator (1). The stator (1) comprises a central cylindrical magnet (11) that is fixed to the base (4) by the adjustment mechanism (6) and consists of at least two arc magnets (111). The adjustment mechanism (6) has a first end fixed to the base (4) and a second end securely connected to the at least two arc magnets (111). The adjustment mechanism (6) is configured to drive the at least two arc magnets (111) to synchronously move radially with respect to a central axis of the central cylindrical magnet (11) so as to change a magnetic circuit between the central cylindrical magnet (11) and the rotor (2), and thereby adjust a magnetic levitation force between the stator (1) and the rotor (2).

A string-striking device for a piano, which can expand the adjustable range of the static loading applied to a fore-end on the playing side of a key. A first weight lever (31) which rotates in conformity with the motion of a key (21) is provided near an action portion (25) and above the key (21). A second weight lever (41) which rotates in conformity with the motion of the first weight lever (31) is provided above the first weight lever (31). In this manner, the second weight lever (41) can be positioned apart from the action portion (25). Thus, there is a lot of flexibility in shape and installation of the second weight lever (41). Accordingly, the adjustable range of the static loading applied to a fore-end on the playing side of the key (21) is expanded.

The present invention relates to a ferroelectric analyzing device and a method for adjusting ferroelectric domain switching speed with the ferroelectric analyzing device, and pertains to the technical field of characteristic test of solid-state dielectrics. The ferroelectric analyzing device comprises a voltage pulse generator for generating square pulse signal, which is biased on a ferroelectric thin film so as to switch the polarization of ferroelectric domains, the ferroelectric analyzing device further comprises a variable resistor which is connected in series with the ferroelectric thin film. The variable resistor is used for adjusting domain switching current so as to realize adjustment of domain switching speed of ferroelectric domains. In the method, the square pulse signal is biased on the ferroelectric thin film, and an adjustment of domain switching speed of ferroelectric domains can be realized by adjusting the resistance value of the variable resistor. The device can adjust the moving speed of ferroelectric domains continuously, and can also adjust the coercive voltage of the ferroelectric thin film; it does not depend on the voltage pulse signal generator, can be easily adjusted continuously, has a wide range of adjustment, and is reliable in data tests.

The invention is applicable to the technical field of photovoltaic equipment, and provides a polar region solar tracking device. The polar region solar tracking device comprises a base with the supporting and mounting effect; a rotation platform which is arranged on the base in a 360-degree rotation mode and connected with a rotation driving piece; a frame which is mounted on the rotating platformand used for mounting a solar component; and a corner driving assembly which is mounted on the rotating platform, connected with the frame and used for driving the frame to rotate by an elevation angle. The frame is fixedly connected with a GPS solar tracker, and the GPS solar tracker, the corner driving assembly and the rotation driving piece are connected with an electric control box. The device can be used through 360-degree rotation, and does not need to rotate. The device can be used under the polar day weather condition of the south pole or the north pole. and the real-time position ofthe sun can be continuously tracked without influence of weather. The solar energy utilization rate is improved. The device has the advantages of high automation degree, high solar energy utilizationrate, no influence of weather, wide adjustment range and convenience for use in the polar region.