Patent application number | Description | Published |
20090206212 | Supporting rack having compensating mechanism - A supporting rack having a compensating mechanism includes a rack body, an action force compensating assembly, a transmission element and a supporting plate. The rack body has a base and support arms. The action force compensating assembly is provided in the rack body. The elastic element is firmly connected to the base. One end of the dragging piece is connected to the hooking plate. The rotating piece is provided on a distal end of the support arm. The other end of the dragging piece is connected to the rotating piece. One end of the transmission element is firmly connected to the rotating piece and pivoted on the support arm. Via the above arrangement, an appropriate force can be applied to the supporting plate. When the user intends to adjust the supporting plate, the elastic element can generate an effect for compensating the action force, thereby providing a better operation feeling. | 08-20-2009 |
20090212175 | Support having a transmission mechanism using a thin connecting piece - A support having a transmission mechanism using a thin connecting piece includes a support base body, a transmission plate, a supporting plate and at least one thin connecting piece. The support base body has a base and brackets extending upwardly from the base. The distal end of the bracket is provided with a fixing sleeve. One end of the transmission plate is pivotally connected to the bracket. The supporting plate connected to the other end of the transmission plate. The supporting plate is provided with pivoting sleeves. The thin connecting piece is disposed on the transmission plate. Via this arrangement, the supporting plate can be kept vertical in synchronization with the swinging of the transmission plate. Thereby saving the space greatly and reducing the whole volume occupied by the support and peripheral elements. In this way, the assembling process is simplified, the productivity is increased, and the cost is reduced. | 08-27-2009 |
20090308990 | BRACKET WITH A HORIZONTAL DISPLACEMENT COMPENSATION CAPACITY - A bracket with a horizontal displacement compensation capacity includes a base, a sliding stand, an elastic element, a displacement compensation linkage assembly, and a support body. The sliding stand slides on the base. Both ends of the elastic element are respectively fixed to the base and the sliding stand. The displacement compensation linkage assembly includes a first rod, a second rod and an abutting piece. The rods are for connecting to the base and the sliding stand. The abutting piece is pivotally connected to the pivoting portion between the other ends of the first and second rods. Via the above arrangement, when the support body is swinging, a displacement compensation action can be generated in the horizontal direction, so that the viewing distance between a supported article and a user can be kept constant. Furthermore, the vertical height can be adjusted and the horizontal distance can be kept simultaneously. | 12-17-2009 |
20100006716 | SUPPORT FRAME FOR A VARIETY KINDS OF DISPLAY DEVICES - A support frame for a variety of display devices includes a base, a frame, a sliding part, and a rotation part. The frame is located on the base and has a receiving portion and at least one friction enhancer located in the receiving portion. The sliding part can slide upwards or downwards is located at the frame. The rotation part, pivoted with the sliding part, rotates between a fixed location and a release location; and furthermore has a leaning portion that extends into the receiving portion of the frame. When the rotation part is located at the fixed location, the leaning portion tightly leans against the friction enhancer so that the display device is positioned at the frame. When the rotation part is located at the release location, there is a distance between the leaning portion and the friction enhancer so that the display device can slide upwards or downwards. | 01-14-2010 |
Patent application number | Description | Published |
20090133530 | ONE-WAY ACTUATOR - An actuator for providing functions of one-way actuation and shiftless rotation includes a main body, two rolling elements, and a recovery apparatus, in which an accommodating space is arranged in the main body and has two frictional faces corresponding to each other with a tapered distance between them. Initially, two rolling elements are arranged at one side of the accommodating space of a wider spacing distance and then make a rolling contact with two frictional faces respectively to be displaced toward a narrower side of the accommodating space through the recovery apparatus, so that an aforementioned one-way actuator is thus constructed. | 05-28-2009 |
20090205449 | STEPLESS UNIDIRECTIONAL ROTATION DEVICE - A stepless unidirectional rotation device includes a housing, a connecting component, a lower roller bearing, turntable assembly, a switching mechanism, a suppressing component and an upper roller bearing. The housing has a receiving room. The connecting component includes a shaft, and one end of the shaft extends out of the receiving room. The lower roller bearing is disposed in the receiving room and rolling contacts with the housing. The turntable assembly includes a rotating disc and a washer. The rotating disc includes a flat surface and an oblique surface. The switching mechanism is connected with the rotating disc. The suppressing component is disposed in the receiving room and is set around the shaft. The upper roller bearing is sandwiched between the washer and the suppressing component and rolling contacts with the suppressing component. Thus, the self-locking or loose problem can be avoided. | 08-20-2009 |
20090282936 | ONE-WAY ACTION MECHANISM - A one-way action mechanism capable of rotating steplessly includes a main body, a rotary element and a friction element. The main body is provided thereon with a pivotal hole and a recessed space in communication with the pivotal hole. One side of the recessed space away from the pivotal hole has a friction surface. The rotary element is formed into a circular ring and is pivotally connected in the pivotal hole. The outer periphery of the rotary element is formed by a plurality of teeth. The friction element is received in the recessed space and has a gear and a friction wheel covering the gear. The friction element is restricted by an elastic element, so that the friction wheel can be brought into a rotary and frictional contact with the friction surface. An intermediate gear is drivingly engaged between the rotary element and the gear of the friction element. | 11-19-2009 |
Patent application number | Description | Published |
20130044033 | TEST SYSTEM WITH ADJUSTABLE RADIO-FREQUENCY PROBE ARRAY - Electronic device structures may be tested using a radio-frequency test system. The radio-frequency test system may include radio-frequency test equipment and an associated test fixture. The radio-frequency test equipment may be used in generating and measuring radio-frequency signals. The test fixture may contain adjustable structures that allow the positions of radio-frequency test probes to be adjusted. The test system may be configured to position radio-frequency probes in the test fixture so that some probe contacts form electrical connections with conductive antenna structures. The radio-frequency probes may contain other contacts that are positioned to form electrical connections with conductive electronic device housing structures. During radio-frequency testing, the test equipment in the test system may apply radio-frequency test signals to the device structures under test using the test probes. Corresponding radio-frequency test signals may be measured by the test equipment. | 02-21-2013 |
20140141726 | Robotic Wireless Test System - A test system may include a wireless test chamber with metal walls lined with pyramidal absorbers. A trapdoor may be provided in a wall opening to accommodate a robotic arm. The robotic arm may have grippers that grip a device under test or a support structure that is supporting a device under test. The robotic arm may move the device under test to a docking station for automatic battery charging during testing. When it is desired to perform wireless tests on a device under test, the robotic arm may move the device under test through the trapdoor into an interior portion of the test chamber. A turntable and movable test antenna may be used to rotate the device under test while varying angular orientations between test antenna and device under test. Emitted radiation levels can be measured using a liquid filled phantom and test probe on a robotic arm. | 05-22-2014 |
20140256373 | Test System Having Test Stations With Adjustable Antennas - A test system may include a master test station and slave test stations. The test stations may receive devices under test such as portable wireless electronic devices. Each test station may have adjustable antenna structures coupled to test equipment. The adjustable antenna structures may include antenna support structures on which test antennas are mounted and rail along which the antenna support structures and test antennas are moved by a pneumatic positioner. A rotatable platform may be provided in each test station to support the device under test in that test station. By making a series of over-the-air test measurements in the master test station while adjusting the antenna system and device positioning system, a satisfactory location for the active test antenna and device position may be identified. This configuration may then be used in performing single-point over-the-air tests in the slave test stations. | 09-11-2014 |
20140306845 | Electronic Device With Foam Antenna Carrier - Electronic devices may include radio-frequency transceiver circuitry and antenna structures. The antenna structures may include a dielectric carrier such as a foam carrier. The foam carrier may be formed from a material that can withstand elevated temperatures. Metal traces for antennas can be formed on the foam carrier by selectively activating areas on a powder coating with a laser and plating the laser-activated areas. Metal for the antennas may also be formed by attaching layers such as flexible printed circuit layers and metal foil layers to the foam carrier. Solder may be used to attach a coaxial cable or other transmission line, electrical components, and other electrical structures to the metal antenna structures on the foam carrier. The foam carrier may be formed from open cell or closed cell foam. The surface of the foam may be smoothed to facilitate formation of metal antenna structures. | 10-16-2014 |
20140361931 | Cavity Antennas With Flexible Printed Circuits - An antenna with a curved shape may be mounted behind a curved antenna window. The antenna may have an antenna resonating element such as an inverted-F antenna resonating element and may have an antenna ground. The antenna resonating element may be formed from patterned metal traces on a flexible printed circuit. The flexible printed circuit may have ground traces that run along a peripheral edge of the flexible printed circuit. The antenna ground may be formed from a metal can with walls surrounding a cavity having an opening. The metal can may have a lip formed from bent portions of the walls. The flexible printed circuit may be soldered to the lip so that the ground traces are shorted to the can. A cable connector may be mounted on a bent tab in the flexible printed circuit that extends through a notch in the lip. | 12-11-2014 |
20150050893 | Methodology and Apparatus for Testing Conductive Adhesive Within Antenna Assembly - Damage to conductive material that serves as bridging connections between conductive structures within an electronic device may result in deficiencies in radio-frequency (RF) and other wireless communications. A test system for testing device structures under test is provided. Device structures under test may include substrates and a conductive material between the substrates. The test system may include a test fixture for increasing tensile or compressive stress on the device structures under test to evaluate the resilience of the conductive material. The test system may also include a test unit for transmitting RF test signals and receiving test data from the device structures under test. The received test data may include scattered parameter measurements from the device structures under test that may be used to determine if the device structures under test meet desired RF performance criteria. | 02-19-2015 |