Assignee: Kingston Technology Co.

Location: Fountain Valley, CA
No. of patents: 20

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Number	Title	Issue Date
7414312	Memory-module board layout for use with memory chips of different data widths A memory module substrate printed-circuit board (PCB) has multi-type footprints and an edge connector for mating with a memory module socket on a motherboard. Two or more kinds of dynamic-random-access memory (DRAM) chips with different data I/O widths can be solder...	08/19/2008
7379361	Fully-buffered memory-module with redundant memory buffer in serializing advanced-memory buffer (AMB) for repairing DRAM A repairing fully-buffered memory module can have memory chips with some defects such as single-bit errors. A repair controller is added to the Advanced Memory Buffer (AMB) on the memory module. The AMB fully buffers memory requests that are sent as serial packets o...	05/27/2008
7277337	Memory module with a defective memory chip having defective blocks disabled by non-multiplexed address lines to the defective chip A downgraded memory module has downgraded DRAM chips soldered to its substrate. The downgraded DRAM chips have a defective memory cell in a logical quadrant of the memory. A physical MSB is a row address present on a non-downgraded DRAM of size S but not used on a d...	10/02/2007
7272774	Extender card for testing error-correction-code (ECC) storage area on memory modules Memory modules with an extra dynamic-random-access memory (DRAM) chip for storing error-correction code (ECC) are tested on a personal computer (PC) motherboard tester using a cross-over extender card inserted into a memory module socket on the motherboard. ECC code...	09/18/2007
7221727	All-digital phase modulator/demodulator using multi-phase clocks and digital PLL Multi-phase clocks are used to encode and decode signals that are phase-modulated. The input signal is phase-compared with a feedback clock. Phase differences increment or decrement an up/down counter. The count value from the up/down counter is applied to a phase r...	05/22/2007
7197676	Loop-Back Memory-Module Extender Card for Self-Testing Fully-Buffered Memory Modules A loop-back extender card is plugged into a memory module socket on a personal computer (PC) motherboard. The extender card has a test socket that receives a memory module under test. An Advanced Memory Buffer (AMB) on the memory module fully buffers DRAM chips on t...	03/27/2007
7131040	Manifold-Distributed Air Flow Over Removable Test Boards in a Memory-Module Burn-In System With Heat Chamber Isolated by Backplane Hot air blown past memory modules under test in a heat chamber is improved. Hot air entering the chamber from an inlet pipe is split by a manifold and deflectors. Holes in the manifold allow for a relatively even air distribution within the chamber, minimizing tempe...	10/31/2006
7117405	Extender card with intercepting EEPROM for testing and programming un-programmed memory modules on a PC motherboard An extender card is plugged into a memory module socket on a personal computer (PC) motherboard. The extender card has a test socket that receives a memory module under test. The extender card has an intercepting EEPROM chip that receives device-select lines from th...	10/03/2006
7111211	Efficient air-flow loop through dual burn-in chambers with removable pattern-generator boards for memory-module environmental testing Two heat chambers are placed side-by-side. Heated air is blown upward through a first chamber and downward through a second heat chamber. An upper heating unit has a blower and heater that heat air exiting the first chamber and blows the heated air into the top of t...	09/19/2006
7029297	PC-motherboard test socket with levered handles engaging and pushing memory modules into extender-card socket and actuating ejectors for removal A memory module socket requires a reduced insertion force because a notch engager on a levered handle engages a notch on the memory module and applies downward pressure. The notch engager is forced downward as the levered handle pivots about an axis, causing the dow...	04/18/2006
6981886	Sliding levered handles engaging and pushing memory modules into extender-card socket A levered handle has an elongated slot that allows the levered handle to both slide and pivot over a pivot axis. The levered handle is slid over the pivot axis to allow a notch engager to engage a notch on a memory module. Then the notch engager is forced downward a...	01/03/2006
6910162	Memory-module burn-in system with removable pattern-generator boards separated from heat chamber by backplane An environmental tester for memory modules has an environmental chamber for heating the memory modules being tested. One side of the chamber is a backplane. The memory modules are inserted into sockets on module motherboards, which are inserted into motherboard sock...	06/21/2005
6824410	Zero-insertion-force hinged clam-shell socket for testing memory modules A test socket for testing memory modules requires little or no insertion force. A base holds a funnel-shaped guide that guides the edge of the memory module into a desired position. Two housing halves are connected to the base by one or more hinges. The housing halv...	11/30/2004
6774662	In-line D.C. testing of multiple memory modules in a panel before panel separation A production test machine pre-screens panels of memory modules for shorts and leakage and other D.C. parameters. Memory modules are constructed as part of a panel of 6 or so modules formed on the same substrate. The modules are connected together by links of the sub...	08/10/2004
6742144	Local heating of memory modules tested on a multi-motherboard tester A test system has many motherboards. Each motherboard has a reverse-mounted test adaptor board that contains a test socket. A robotic arm inserts a memory module into the test socket, allowing the motherboard to execute programs to test the memory module. A test cha...	05/25/2004
6700398	In-line D.C. testing of multiple memory modules in a panel before panel separation A production test machine pre-screens panels of memory modules for shorts and leakage and other D.C. parameters. Memory modules are constructed as part of a panel of 6 or so modules formed on the same substrate. The modules are connected together by links...	03/02/2004
6415397	Automated multi-PC-motherboard memory-module test system with robotic handler and in-transit visual inspection A test station for testing memory modules uses multiple personal computer (PC) motherboards for performing functional tests on the modules. The motherboards are mounted upside-down with the solder-side up at the desktop level of the test station frame. On...	07/02/2002
6178526	Testing memory modules with a PC motherboard attached to a memory-module handler by a solder-side adaptor board Memory modules such as SIMMs and DIMMs are automatically tested by a target-system motherboard such as a PC motherboard. An automated SIMM/DIMM handler is connected to a handler adaptor board that is mounted to the back or solder-side of the PC motherboar...	01/23/2001
6034868	Expansion chassis having a removable wiring bracket and external computer memory An expansion chassis which enables a personal computer to have increased memory capacity. The chassis encloses a removable wiring bracket that carries an external computer memory (e.g. a conventional disk drive, tape drive and the like). When the wiring b...	03/07/2000
5765933	Cam assisted ejection handle for a removable drive carrier A portable drive carrier for a memory device for use at a computer or workstation. The carrier has a rotatable handle that is adapted to assist in the detachment and ejection of the carrier from a U-shaped receiving frame that is commonly mounted at an ex...	06/16/1998

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Assignee: Kingston Technology Co.