Patent application number | Description | Published |
20120299575 | LOAD REGULATION CIRCUIT AND LOAD REGULATION DEVICE EMPLOYING THE SAME - A load regulation circuit used for calibrating a voltage drop tester includes a voltage control switch, a first resistor group, a power control switch and a second resistor group electrically connected to the first resistor group through the power control switch. When the voltage control switch is switched on to different positions, the first resistor group provides different loads and load voltages for the voltage drop tester. When the power control switch is turned on or off, the first resistor group and the second resistor group provide corresponding loads and load powers for the voltage drop tester to calibrate and correct operating parameter of the voltage drop tester. The load regulation circuit can simulate and replace different electronic device to calibrate the voltage drop tester. | 11-29-2012 |
20120325997 | ANTENNA BRACKET WITH ADJUSTING FUNTION - An antenna bracket includes two substrates having a bottom surface and a supporting surface; a plurality of movable rollers installed on the bottom; two columns, respectively set up on the supporting surface of the substrates; a beam with two ends movably connected with the two columns; two first driving members, fixed on each supporting surface and connected with the beam to drive the beam to slide upward and downward relative to the two columns; an antenna base, movably connected with the beam to install an antenna; a second driving member, fixed on the beam and connected with the antenna base, to drive the antenna base to slide horizontally; two first electromagnetic shield covers and a second electromagnetic shield cover respectively covering the two first driving members and the one second driving member, to attenuate electromagnetic interference (EMI) emanation from openings in the first driving members and the second driving member. | 12-27-2012 |
20130002235 | TEST BOX FOR ELECTROSTATIC GENERATORS - A test box for electrostatic generators includes a housing and an electrostatic target. The housing is structured to define a shielded space for receiving a measuring device and is further structured to prevent outside electromagnetic radiation from entering the shielded space. The electrostatic target is mounted on an outside surface of the housing and electrically connected to the measuring device. Electrostatic signals emitted from the electrostatic generators are received and transmitted to the measuring device by the electrostatic target, thereby displaying waveforms of the electrostatic signals using the measuring device. | 01-03-2013 |
20130002495 | ELECTROMAGNETIC RADIATION MEASURING DEVICE FOR ELECTRONIC DEVICES - An electromagnetic radiation measuring device includes a test antenna module and a main processor electrically connected to the test antenna module. The test antenna module includes a plurality of pre-test antennas and at least one final test antenna, which have predetermined polarities and are positioned at predetermined heights, respectively. The pre-test antennas and the final test antenna respectively receive wireless signals sent from an electronic device. The main processor measures and records a frequency of the strongest wireless signal received by selected ones of the pre-test antennas that have the same polarity, and further determines whether power of wireless signals at the recorded frequency received by the final test antenna polarized to have the same polarity as that of the selected ones of the pre-test antennas exceeds a predetermined acceptable range. | 01-03-2013 |
20130033270 | ELECTROMAGNETIC INTERFERENCE TEST SYTEM WITH SELF-CHECKING FUNCTION AND SELF-CHECKING METHOD - An electromagnetic interference (EMI) test system with self-checking function for detecting electromagnetic interference includes a signal source, a line impedance stabilization network (LISN), a coupling decoupling network (CDN), an impedance stabilization network (ISN) and a receiver. The signal source provides an electronic signal, the LISN separates interference signal from the electronic signal. The CDN outputs a coupling signal, and the ISN separates interference signal from the signal from the CDN. The receiver figures out current signal strength of each frequency points of the signal from the ISN and compares the current signal strength with a reference value to determine whether the EMI test system works normally according to the comparison. | 02-07-2013 |
20130082680 | ELECTROSTATIC DISCHARGE TESTING APPARATUS - An electrostatic discharge testing (ESD) apparatus includes a platform, a control unit, an ESD gun, an X rod, a Y rod, and a Z rod respectively parallel to designated XYZ axes of the platform. The Z rod is slidably disposed on the X rod via a first sliding joint, and the Y rod is slidably disposed on the Z rod via a second sliding joint. The ESD gun is disposed on the Y rod. The control unit controls the Z rod to slide along the X rod, and controls the Y rod to slide along the Z rod and along an axis of the Y rod, according to a predetermined testing program. Thus, the ESD gun is moved along a working path to test a product. | 04-04-2013 |
20130093644 | ANTENNA HOLDING DEVICE - An antenna holding device for holding test antennas includes a base, a holding pole, a sleeve unit, and a support pole. The holding pole is perpendicularly mounted on the base. The sleeve unit includes a movable sleeve, and the movable sleeve slidably and rotatably mounted on the holding pole. The support pole is mounted on the sleeve unit for mounting the test antennas. | 04-18-2013 |
20130106639 | ELECTROMAGNETIC ANECHOIC CHAMBER | 05-02-2013 |
20130214686 | MONITORING DEVICE FOR MONITORING BRIGHTNESS OF DISPLAY - A monitoring device includes a sensing element, a first switch element, a second switch element, and a warning unit. Brightness of a screen on a display unit is sensed by the sensing element. When the brightness of the screen on the display unit is not greater than a predetermined brightness, the first switch element will be turned on to turn on the second switch element so that the warning unit can be activated. Therefore, the display state of the screen can be monitored automatically. | 08-22-2013 |
20130240005 | CLEANING SYSTEM FOR SOLAR PANEL - A cleaning system for solar panels includes first and second cleaning units, first and second control units, first and second power measuring units to measure a first power outputted from a first solar panel per interval of time and a second power outputted from a second solar panel per interval of time, and a processing unit. The processing unit reads the first and second powers and the first and second coefficients, and determines whether the second power is less than a product of the first power, the first coefficient, and the second coefficient. When the second power is less than the product, the processing unit outputs a control signal to the second control unit. The second control unit controls the second clean unit to clean the second solar panel. | 09-19-2013 |
20130257638 | ELECTROMAGNETIC ANECHOIC CHAMBER - An electromagnetic anechoic chamber includes an anechoic chamber and a supporting bracket. A sidewall of the anechoic chamber defines an opening. The supporting bracket includes a shielding piece rotatably mounted to the anechoic chamber to cover the opening, and two test benches respectively fixed to two opposite side surfaces of the shielding piece. When an item of information technology equipment (ITE) is assembled to one of the test benches and the supporting bracket is rotated to make the shielding piece cover the opening and the ITE enter the anechoic chamber, the other test bench is exposed out of the chamber and another piece of ITE can be assembled thereon. | 10-03-2013 |
20130271386 | ELECTRONIC DEVICE HAVING HANDWRITING INPUT FUNCTION - An electronic device includes a handwriting pen and a main body. A gyroscope senses movement information of the handwriting pen and outputs the movement information to a controller. The controller converts the movement information into electrical signals and outputs the electrical signals to the main body through a signal transmitting module. A processor receives the electrical signals through a signal receiving module and the signal transmitting module, converts the electrical signals into movement information, and outputs the movement information to a character identification module. The character identification module converts the movement information into a corresponding character, and controls the display unit to display the character. | 10-17-2013 |
20130312228 | FASTENING DEVICE FOR CABLES - A fastening device for cables includes a fastener and two pivot members. The fastener includes a base body defining a through slot, and a belt extending from the base body. An engaging portion extends from a top wall bounding the through slot. A bottom of the engaging portion defines a number of latching slots. A number of latches are formed on the belt. The belt can be bent, with a distal end of the belt away from the base body extending through the through slot. Thus, the cables are bundled tight between the top of the base body and the belt. The latches engage in the latching slots. The pivot members are pivotably connected to opposite sides of the base body. The pivot members are operable to rotate to force the engaging portion to move up. | 11-28-2013 |
20130313380 | ANTENNA DEVICE FOR ELECTROMAGNETIC MEASUREMENT - An antenna device includes a base, an adjusting pole, an installing apparatus, a supporting pole, an antenna installed to a first end of the supporting pole, and a balance apparatus installed to a second end of the supporting pole. The installing apparatus defines an installing hole along the horizontal direction. A first pressure sensor and a second pressure sensor are respectively installed in two opposite ends of the installing hole. The supporting pole is slidably received in the installing hole to abut against both of the first and second pressure sensors. The balance apparatus includes a controller electrically connected to the first and second pressure sensors and a motor. The controller controls the rotation direction of the motor according to pressures applied on the first sensor and the second pressure sensor, so that the balance apparatus moves along the supporting pole, until the pressures are the same. | 11-28-2013 |
20130335294 | ANTENNA DEVICE FOR ELECTROMAGNETIC MEASUREMENT - An antenna device includes a base, a first pole, a second pole, a supporting apparatus, and an antenna. A first slide apparatus is slidably fitted about the first pole. A second slide apparatus is slidably fitted about the second pole. The supporting pole includes a supporting pole, a first connecting block rotataly connected to the first slide apparatus, and a second connecting block slidably fitted about the supporting pole and rotatably connected to the second slide apparatus. Two motors respectively drive the first and second slide apparatus to move along the lengthwise direction of the first and second poles to adjust the height and the obliquity of the supporting pole. A cylinder with a telescopic rod is installed in the first connecting block, to horizontally adjust the antenna. | 12-19-2013 |
20140022640 | ILLUMINATION SYSTEM FOR ANECHOIC CHAMBER - An illumination system for illumining an anechoic chamber includes a light gathering device mounted on an outer surface of the anechoic chamber for gathering daylight, a light guiding post mounted to the anechoic chamber, and a diffusion device received in the anechoic chamber. The light guiding post is connected between the light gathering device and the diffusion device. The light guiding post includes two shields mounted in the light guiding post, which are respectively adjacent to the light gathering device and the diffusion device, to protect the anechoic chamber from electrostatic or magnetic interference. | 01-23-2014 |
20140026718 | DEVICE FOR AUTOMATICALLY STRIPPING CABLES - A device for automatically stripping insulation of a cable includes a rack, a guiding pole, a slide pole, a clamping mechanism, a cutting mechanism, and a controlling mechanism. The guiding pole includes a first pole fastened to the first end of the rack, a second pole spaced from the first pole, and a third pole spaced from the second pole and fastened to the second end of the rack. The guiding pole defines a through hole. The third pole defines a groove parallel to the through slot. The slide pole is slidable to the third pole. A photosensitive sensor is mounted to the slide pole and aligned with the groove to detect the cable. The cutting mechanism includes two blades located between the second pole and the third pole. The controlling mechanism is electrically connected to the photosensitive sensor, the clamping mechanism, and the cutting mechanism. | 01-30-2014 |
20140028523 | ANTENNA DEVICE FOR ELECTROMAGNETIC MEASUREMENT - An antenna device includes a base, four adjusting apparatuses, two connecting poles each connected between two the adjusting apparatuses, a first slide apparatus with a first motor fitted around each connecting pole, a supporting pole, and an antenna. Each adjusting apparatus includes a pole perpendicularly extending up from the base, a second slide apparatus fitted around the pole, and a second motor installed in the base and connecting the second slide apparatus. Two ends of each connecting pole are respectively mounted to the corresponding second slide apparatuses. The supporting pole is installed to the first slide apparatus, and the antenna is attached to an end of the supporting pole. Each first motor drives the first slide apparatus to move along a lengthwise direction of the connecting pole. Each second motor drives the second slide apparatus to move along a lengthwise direction of the corresponding pole. | 01-30-2014 |