Patent application number | Description | Published |
20110149501 | ROTATING HARD DRIVE INSTALLATION IN A COMPUTER CHASSIS - A system comprises a server chassis and first and second hard disk drive carriers, wherein each carrier supports a hard disk drive. A first hinge rotatably connects a distal end of the first hard disk drive carrier to a first side of the chassis, wherein the first hinge allows the carrier to rotate about a first hinge axis between an open position and a closed position. The first hard disk drive carrier rotates in a first plane between an open position extending beyond the front of the chassis and a closed position within the chassis. A second hinge rotatably connects a distal end of the second hard disk drive carrier to a second side of the chassis that opposite the first side of the chassis, wherein the hinge allows the carrier to rotate about a second hinge axis between an open position and a closed position. The second hard disk drive carrier rotates in a second plane between an open position extending beyond the front of the chassis and a closed position within the chassis, wherein the second plane is parallel to the first plane. | 06-23-2011 |
20120170191 | Midplane With A Direct Connect Adapter - A midplane that includes a direct connect adapter mounted within the midplane, the direct connect adapter including: a first opening for receiving a first computing component connector on a first side of the midplane; and a second opening for receiving a second computing component connector on a second side of the midplane, and the direct connect adapter mounted within the midplane electrically coupling the first computing component connector and the second computing component connector without electrically coupling the first computing component connector and the second computing component connector to the midplane. | 07-05-2012 |
20130112638 | TOOLLESS RAIL ENABLING SIMPLIFIED INSTALLATION AND REMOVAL - A rail for toolless installation between first and second vertical rack rails. The rail comprises a telescoping rail body having a first and second ends, and an inside surface having a shelf, wherein a latch assembly is disposed at each end of the rail body. Each latch assembly comprises a flange secured to an end of the rail, a latch arm, a release handle, and a retractable pin. The latch arm is pivotally secured to the rail body, distally extends from the flange, and is biased toward a latched position. The release handle is on the inside surface of the rail body for movement from a latched position to an unlatched position. The retractable pin distally extends from each end and is biased toward a distally extended position, wherein the pin is stepped from a first diameter portion to a second larger diameter portion for adapting to different sized holes. | 05-09-2013 |
20130160984 | AUTOMATIC COUPLING OF INDEPENDENT COOLING REGIONS DURING FAN MAINTENANCE - In a computer system, airflow through first and second cooling regions are normally separated by a chassis wall, and are independently controlled by respective first and second fan modules. The internal chassis wall includes a bypass opening that is normally blocked by the second fan module. In response to removal of the second fan module, the bypass opening is unblocked, to fluidly couple the two cooling regions. A redundant fan module is optionally included in fluid communication with the first cooling region, to either generate airflow through the first cooling region in response to failure or removal of the first fan module, or to supplement the airflow capacity of the first fan module in response to removal of the second fan module. | 06-27-2013 |
20140182108 | SECURING ELECTRONIC DEVICES WITHIN A SUB-CHASSIS FOR CONNECTION TO A CHASSIS MIDPLANE - A method includes securing a midplane to a bracket disposed between a first and second ends of a chassis, wherein a first surface of the midplane engages the bracket and faces the first end of the chassis. A first electronic device is secured within the first end of the chassis with a first device connector coupled to a first midplane connector on the first surface of the midplane and a first device latch secured directly to a first slot in the chassis adjacent the first end. A sub-chassis is secured within the second end of the chassis, wherein the sub-chassis has a proximal end that engages a second surface of the midplane. Furthermore, a second electronic device is secured within the sub-chassis with a second device connector coupled to a second midplane connector on the second surface of the midplane and a second device latch secured directly to a slot in the sub-chassis adjacent the distal end of the sub-chassis. | 07-03-2014 |
20140185247 | LATCH TO POSITION AND BIAS A MODULE WITHIN A CHASSIS - A system includes a module having a connector at a leading end and a handle pivotally coupled to a trailing end. The handle pivots between open and closed positions, and includes landing and grip portions. The system further includes a chassis having a bay, a connector disposed in the bay, and a spring latch assembly adjacent an open end of the bay for receiving the leading end of the module. The spring latch has a catch adjacent to a spring element. Receiving the leading end of the module into the bay aligns the module connector with the connector in the bay and aligns the landing of the handle with the catch of the spring latch assembly. Pivoting the handle from the open position to the closed position will then cause the landing of the handle to engage the catch and then load the spring element to couple the connectors. | 07-03-2014 |
Patent application number | Description | Published |
20090261214 | Securing And Managing Electronic Cables In A Modular, Rack-Mounted Computer System - A cable clamp has a first clamp member secured to the chassis or to the rack adjacent to one of the module bays and a second clamp member movably secured to the first clamp member. The first clamp member defines a first clamp surface and the second clamp member defines a second clamp surface facing the first clamp surface. An elastic material is secured to a surface of one or both of the first and second clamp surfaces. The second clamp member is movable away from the first clamp member for receiving the one or more electronic cables between the first and second clamp surfaces. A biasing member biases the second clamp member toward the first clamp member sufficient to compress and frictionally engage the elastic material with the one or more electronic cables. | 10-22-2009 |
20090279244 | Disk Drive Carrier and Cage Preventing Installation of Incompatible Disk Drives - An apparatus comprising a disk drive assembly and a disk drive cage for selectively receiving the disk drive assembly. The disk drive assembly includes first and second side rails secured to opposing sides of a disk drive, wherein the first side rail includes a distal end having a distally-opening slot configured to receive a rigid structure, such as a bent portion of the cage, fixedly extending from the disk drive cage. The slot in the first side rail enables the disk drive assembly to distally advance to a fully installed position within the disk drive cage. Incompatible disk drive assemblies do not include such a slot and are prevented from reaching the fully installed position. Preferably the distal end of first side rail extends beyond the distal end of the disk drive. | 11-12-2009 |
20090279248 | Hard Disk Drive Carrier Latch Apparatus - A hard disk drive carrier having a latch apparatus to facilitate leveraged insertion of a hard disk drive into a receiving drive bay to an interfaced position, securing of the hard disk drive carrier in the drive bay when the hard disk drive secured to the carrier interfaces with a host computer, leveraged dislodgement of the hard disk drive from its interfaced position for removal of the hard disk drive from the drive bay, and proper positioning of the latch apparatus upon insertion of the hard disk drive carrier to ensure proper engagement of the latch apparatus with the drive bay for leveraged insertion and removal. | 11-12-2009 |
20090279249 | Latch for Securing a Hardware Component Into a Component Bay - A latch apparatus and method to facilitate leveraged insertion of a component into a component bay to an interfaced position, securing of the component in the component bay when the component interfaces with a host computer, leveraged dislodgement of the component from its interfaced position for removal of the component from the component bay, and proper positioning of the latch apparatus upon insertion of the component housing to ensure proper engagement of the latch apparatus with the component bay for leveraged insertion and removal. One latch apparatus comprises a frame adapted to be secured to a proximal end of a component housing, a handle pivotally secured to the frame, and an extendable arm slidably secured to a distal end of the handle and biased toward an extended position, wherein the distal end of the extendable arm has a distally extending latch key for engaging a slot in the component bay. | 11-12-2009 |
20100149746 | Compact HDD Carrier Mechanism Featuring Self Actuating EMC Springs to Prevent HDD Component Shorting - An improved carrier comprises a tray, an EMC component, and a bezel. The EMC component comprises a top spring set and a bottom spring set. Each spring set comprises a plurality of spring biased contacts connected by a plate and a bar so that each spring set moves in unison when depressed or released. Each tray has a first flange and a second flange and each of the flanges has a cut out portion. When an improved carrier is moved out of an array enclosure, the flanges depress the top spring of the EMC component of the carrier below. When the improved carrier is moved into the array enclosure, the flanges depress the top spring set of the carrier below until the top spring set of the carrier below is released by the cut-out portions of the flanges. When released, the top spring set of the carrier below contacts the bottom spring set of the carrier above to form a continuous EMC shield. | 06-17-2010 |
Patent application number | Description | Published |
20090184854 | PRECISION MICROCONTROLLER-BASED PULSE WIDTH MODULATION DIGITAL-TO-ANALOG CONVERSION CIRCUIT AND METHOD - A precision digital to analog conversion circuit and method are provided. A regulated direct current (DC) voltage having a DC voltage magnitude is supplied to a device, such as a processor. The processor generates a pulse width modulation (PWM) output signal based, at least in part, on the regulated DC voltage. An analog output signal is generated from the PWM output signal. The regulated DC voltage is compared to a precision reference DC voltage, the DC voltage magnitude is selectively adjusted based on the comparison. | 07-23-2009 |
20110102055 | LOW-SIDE DRIVER HIGH-VOLTAGE TRANSIENT PROTECTION CIRCUIT - A low-side driver circuit includes a low-side driver integrated circuit and a controllable switch. The low-side driver integrated circuit is responsive to an on-off command input signal to selectively operate in an ON mode and an OFF mode. The controllable switch is responsive to the on-off command signal to selectively operate in a CLOSED mode and an OPEN mode. The low-side driver integrated circuit and the controllable switch are configured to simultaneously operate in the ON mode and the CLOSED mode, respectively, and in the OFF mode and the OPEN mode, respectively. During a voltage transient the potential will be realized across the controllable switch, thus protecting the lower voltage rated low-side integrated circuit. | 05-05-2011 |
20130063851 | APPARTUS AND METHOD FOR PROTECTING SIGNAL AND COMMUNICATION LINES FROM VERY HIGH VOLTAGE AND TRANSIENT PULSES - Apparatus for protecting a signal line bus driver from overvoltage faults may include a first solid-state switch configured to block current having a positive voltage when open and a second solid-state switch configured to block current having a negative voltage when open. A comparator circuit may produce a output signal responsively to presence of a fault-induced voltage in the signal line that has a magnitude that exceeds the reference voltage. The first and second switches may be connected in series with one another and with the bus driver. The switches may be interposed between the bus driver and an output end of the signal line and may responsively to the comparator circuit output signal. | 03-14-2013 |
20130229055 | SWITCHED TRANSIENT VOLTAGE SUPPRESSION CIRCUIT - A transient voltage suppression circuit includes a voltage suppression circuit, a switch activation circuit, and a solid-state switch. The switch activation circuit is configured to selectively supply a switch activation signal. The solid-state switch is electrically connected in series with the voltage suppression circuit, is coupled to receive the switch activation signal selectively supplied by the switch activation circuit, and is configured, in response to the switch activation signal, to switch from an OFF state to an ON state. | 09-05-2013 |
20140022676 | CIRCUIT WITH MOTOR DRIVER SPIKE SUPPRESSION - A suppression circuit may be added to a motor driver circuit, which suppresses offset voltage and ringing in the output signal. The suppression circuit may include an RC circuit filter connected to a pin of a microchip providing a gating reference signal and a junction between high and low side MOSFETS connected to the microchip. | 01-23-2014 |