66results about How to "Change at will" patented technology

The invention provides a wideband digital frequency-selecting wireless repeater system and a wideband signal digital frequency-selecting method thereof. The donor antenna output terminal of the systemThe invention provides a wideband digital frequency-selecting wireless repeater system and a wideband signal digital frequency-selecting method thereof. The donor antenna output terminal of the systemis connected with a retransmission antenna input terminal by an donor terminal diplexer, a downlink radio frequency receiver subsystem, a downlink wideband digital intermediate frequency processing s is connected with a retransmission antenna input terminal by an donor terminal diplexer, a downlink radio frequency receiver subsystem, a downlink wideband digital intermediate frequency processing subsystem, a downlink radio frequency transmitter subsystem, and a mobile terminal diplexer in sequence; a retransmission antenna output terminal is connected with a donor antenna input terminal by a mubsystem, a downlink radio frequency transmitter subsystem, and a mobile terminal diplexer in sequence; a retransmission antenna output terminal is connected with a donor antenna input terminal by a mobile terminal diplexer, an uplink radio frequency receiver subsystem, an uplink wideband digital intermediate frequency processing subsystem, an uplink radio frequency transmitter subsystem, and a doobile terminal diplexer, an uplink radio frequency receiver subsystem, an uplink wideband digital intermediate frequency processing subsystem, an uplink radio frequency transmitter subsystem, and a donor terminal diplexer in sequence. The invention can be applied to communication systems such as GSM, CDMA, DCS, JDC, TD-SCDMA, WCDMA, CDMA2000, and the like, thereby forming wideband digital frequencnor terminal diplexer in sequence. The invention can be applied to communication systems such as GSM, CDMA, DCS, JDC, TD-SCDMA, WCDMA, CDMA2000, and the like, thereby forming wideband digital frequency-selecting wireless repeater systems with different communication formats and any signal bandwidth.y-selecting wireless repeater systems with different communication formats and any signal bandwidth.

The invention discloses a mechanical experiment loading device with a two-parameter control. The mechanical experiment loading device comprises a steel wire rope, a fixed pulley, a fixed pulley bearing fixed bracket, a motor, a load control loading part, a displacement control loading part and a belt pulley set, wherein the load control loading part comprises an adjusting extension spring and a force sensor; the displacement control loading part comprises a displacement sensor and a displacement sensor bracket; the steel wire rope gets through the fixed pulley and is connected with the belt pulley set; the fixed pulley is fixed on the fixed pulley bearing fixed bracket; the belt pulley set is connected with the motor; and a load control loading mode and a displacement control loading mode can be adopted. The experiment loading device satisfies requirements such as a large stroke, an extensive frequency application scope, capability of freely switching between the load control and the displacement control, high precision and the like, is convenient to use, low in cost, easy to dismount and move, and convenient to flexibly adjust according to different research needs. The mechanical experiment loading device can be applicable to relevant static, dynamic or fatigue experiments in engineering fields such as aerospace, civil construction, ocean and ships, machinery and the like.

The invention provides a character display system and method, wherein the system comprises: a rotating component (1), power sources (2, 9), a plurality of LED (Light-Emitting Diode) lamps (3) which are arranged in an array on the rotating component (1) and connected to the power source (2), a display control unit (4) which is electrically connected with the power source (2) and in communication connection with the plurality of LED lamps (3), a character memory unit (5), a character editing unit (6), a character transmission unit (7), and a character receiving unit (8), wherein the power source (2) is connected to the rotating component (1). The system provided by the invention is capable of enabling the user to define the display contents on the LED lamps on the rotating component through the character edition unit, thereby enhancing interactivity and playability.

The invention discloses a lightweight picture conversion method, and relates to the field of Internets. The method comprises the following steps that: a reverse proxy server forwards an acquired picture request to a rear-end Internet server, and loads a picture transcoding module; the picture transcoding module receives the picture request, and submits a picture to a rear-end picture server; and the rear-end picture server transmits original information of the picture to the picture transcoding module for transcoding, and transmits the transcoded picture back to the reverse proxy server to finally transmit the transcoded picture back to a client to complete the picture request. According to the lightweight picture a conversion method, no special third-party picture transcoding server is set, but the customized picture transcoding module is loaded in a front-end reverse proxy server to transcode the picture, so that the operation cost of an Internet operator is effectively reduced; theflexibility of picture transcoding is improved; and a user can randomly change transcoding parameters at any time to achieve a system changing aim.

The invention relates to the field of information, in particular to a system and a method for displaying commodity information on electronic tag screens, an issuer and a manager. The system comprises the issuer, the manager and more than one electronic tag screen. The method which corresponds to the system comprises the following steps that: A, the manager receives dynamic commodity display information which is edited by the issuer and corresponds to the more than one electronic tag screen, wherein the dynamic commodity display information comprises serial numbers of the electronic tag screens, and commodity information display contents and a commodity information display mode, which correspond to a certain electronic tag screen; B, the manager processes the dynamic commodity display information and converts the dynamic commodity display information into the displayable information of the electronic tag screens; and C, the managers transmits the processed displayable information to the electronic tag screens which correspond to the dynamic commodity display information, and the electronic tag screens display the displayable information. By the invention, the commodity information can be electronically operated.

The invention discloses a suction type granule transferring AGV and a method thereof. The AGV comprises a material pick-and-place mechanism, a lifting mechanism, a connecting mechanism, a protection mechanism, a cargo transferring mechanism and a walking mechanism, wherein the material pick-and-place mechanism achieves the acquisition and placement of the material; the lifting mechanism achieves the lifting movement of the pick-and-place mechanism in vertical direction, and the connecting mechanism provides a guidance of connecting and moving for the lifting mechanism and the material pick-and-place mechanism; the protection mechanism provides protection for the mechanisms inside; the cargo transferring mechanism achieves the transportation of the finished materials; and the walking mechanism can achieve all-round walking. The AGV achieves the rapid acquisition of the granular material, all-round transferring of the granular material by all-round walking, automatic unloading of the granular material, and hauling of large-scale processed products by cooperating with a trolley. In addition, the AGV adapts to various terrains and factory layouts, can change the transportation route freely, and has the advantages of high efficiency, intelligence and reliability, thereby providing the technical basis for the logistics link of unmanned factories.

The invention discloses a crystal decoration which comprises a crystal main body and a glass base, wherein the crystal main body stands on the glass base; a rectangular bump is arranged at the lower end of the crystal main body; the glass base is correspondingly provided with a plurality of rectangular through holes; and a transparent rubber block with a concave position is arranged on the corresponding through hole. According to the crystal decoration, the crystal main body and the glass base are in a concave-convex detachable structure, and the shape of the decoration can be optionally changed; and through a light emitting device on the glass base, the crystal decoration has an optical decoration effect, thus having an excellent ornamental value.

The invention relates to the technical field of material sorting, and specifically discloses a material multi-level and multi-directional sorting control method and a computer program product thereof. In a torsion area, there is a multi-stage torsion mechanism in a stepped arrangement. The entire control timing is controlled through the coding window. Specifically, a star wheel virtual encoder is formed through the combination of pulses generated in the program and equipment operation feedback. When The encoding value will increase at a constant speed when the device is running. Through the combination of entrance detection photoelectricity and virtual encoder, the length and timing of the material entering the twisting mechanism can be detected. After calculating the length of the material and the timing of entering, the timing of the material entering each level of the twisting mechanism and the timing of leaving the twisting mechanism can be calculated. In this way, each stage of torsion mechanism can be individually controlled, that is, after the first material is separated from the first stage of torsion wheel, the second material can continue to enter the torsion area, so that the same torsion area can be twisted at the same time. Multiple shipments in one direction.

The invention provides a wideband digital frequency-selecting wireless repeater system and a wideband signal digital frequency-selecting method thereof. The donor antenna output terminal of the systemThe invention provides a wideband digital frequency-selecting wireless repeater system and a wideband signal digital frequency-selecting method thereof. The donor antenna output terminal of the systemis connected with a retransmission antenna input terminal by an donor terminal diplexer, a downlink radio frequency receiver subsystem, a downlink wideband digital intermediate frequency processing s is connected with a retransmission antenna input terminal by an donor terminal diplexer, a downlink radio frequency receiver subsystem, a downlink wideband digital intermediate frequency processing subsystem, a downlink radio frequency transmitter subsystem, and a mobile terminal diplexer in sequence; a retransmission antenna output terminal is connected with a donor antenna input terminal by a mubsystem, a downlink radio frequency transmitter subsystem, and a mobile terminal diplexer in sequence; a retransmission antenna output terminal is connected with a donor antenna input terminal by a mobile terminal diplexer, an uplink radio frequency receiver subsystem, an uplink wideband digital intermediate frequency processing subsystem, an uplink radio frequency transmitter subsystem, and a doobile terminal diplexer, an uplink radio frequency receiver subsystem, an uplink wideband digital intermediate frequency processing subsystem, an uplink radio frequency transmitter subsystem, and a donor terminal diplexer in sequence. The invention can be applied to communication systems such as GSM, CDMA, DCS, JDC, TD-SCDMA, WCDMA, CDMA2000, and the like, thereby forming wideband digital frequencnor terminal diplexer in sequence. The invention can be applied to communication systems such as GSM, CDMA, DCS, JDC, TD-SCDMA, WCDMA, CDMA2000, and the like, thereby forming wideband digital frequency-selecting wireless repeater systems with different communication formats and any signal bandwidth.y-selecting wireless repeater systems with different communication formats and any signal bandwidth.