Source: http://www.google.com/patents/US5815426?dq=Patent+No.+5826242
Timestamp: 2014-10-24 08:04:37
Document Index: 738584788

Matched Legal Cases: ['art 1', 'art 2', 'art 1', 'art 2', 'arts 3', 'arts 3']

Patent US5815426 - Adapter for interfacing an insertable/removable digital memory apparatus to ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsEach device of a family of removable digital media devices (310, 320, 330, 340, 350 and 360) may be plugged into a host to permits the host to store data in it or to retrieve data from it. The form factors of the digital media devices in the family and the connector system used by the digital media devices...http://www.google.com/patents/US5815426?utm_source=gb-gplus-sharePatent US5815426 - Adapter for interfacing an insertable/removable digital memory apparatus to a host data partAdvanced Patent SearchPublication numberUS5815426 APublication typeGrantApplication numberUS 08/823,937Publication dateSep 29, 1998Filing dateMar 25, 1997Priority dateAug 13, 1996Fee statusPaidAlso published asUS6026007, US6175517, US20010038547, WO1998007098A1Publication number08823937, 823937, US 5815426 A, US 5815426A, US-A-5815426, US5815426 A, US5815426AInventorsRobin J. Jigour, David K. WongOriginal AssigneeNexcom Technology, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (7), Non-Patent Citations (21), Referenced by (117), Classifications (21), Legal Events (8) External Links: USPTO, USPTO Assignment, EspacenetAdapter for interfacing an insertable/removable digital memory apparatus to a host data partUS 5815426 AAbstract Each device of a family of removable digital media devices (310, 320, 330, 340, 350 and 360) may be plugged into a host to permits the host to store data in it or to retrieve data from it. The form factors of the digital media devices in the family and the connector system used by the digital media devices are compact for minimizing the volume of space occupied in portable devices and for easy storage. Some embodiments (310, 320, 330, 350 and 360) provide an elongated compact form factor that provides easy and firm grasping for insertion and removal. The digital media devices of the family have respective body portions (312, 322, 332, 342, 352 and 362) preferably of a rigid or semi-rigid material. Preferably, the digital media devices of the family use serial memory requiring few power and signal lines, so that few electrical contacts are required. In particular, a small number of durable contact pads form the contact arrays (314, 324, 334, 344, 354 and 364) on the digital media devices, which in conjunction with corresponding contact pads mounted into a suitable socket provide for easy and convenient insertion and removal and for robust and reliable electrical contact over a long insertion lifetime. Preferably, the digital media devices of the family incorporate flash memory, which permits low voltage operation, low power consumption, and high capacity non-volatile data storage. Preferably, the digital media devices of the family are fabricated using surface mount techniques (310 and 320) or particularly inexpensive "Chip on Board" techniques (330, 340, 350 and 360). The digital media devices interface to the host either directly or through adapters. Access is handled either by a dedicated controller or other logic residing in the adapter or on the host, or by software running on the host.
What is claimed is: 1. An adapter for interfacing an insertable/removable serial memory device to a parallel port of a host, comprising:a parallel port connector having a plurality of electrical contacts designated data; a socket for receiving the insertable/removable serial memory device, the socket having respective contacts designated clock, data-in, data-out, first chip select, and second chip select; and a circuit mapping the clock contact, the data-in contact, the data-out contact, the first chip select contact, and the second chip select contact of the socket to respective data contacts of the parallel port connector. 2. An adapter as in claim 1 wherein the contacts of the socket are flat surface contact pads.
RELATED APPLICATIONS This application is a continuation-in-part of U.S. Pat. application Ser. No. 08/689,687, filed Aug. 13, 1996, which names Jigour and Wong as coinventors and is entitled INSERTABLE/REMOVABLE DIGITAL MEMORY APPARATUS AND METHODS OF OPERATION THEREOF.
The compact flash card is a small format flash memory card that was initially announced by SanDisk Corporation in 1994. The form factor of the compact flash card is 36�43�3.3 094 mm, and the surface area thereof, which is shown at 110 in FIG. 1, is approximately 1/3 the surface area of the standard PC Card. The card has a 50 pin connector that is a subset of the PC card interface. The card supports the IDE/ATA interface standard by means of an on-card ATA controller IC. Memory capacity in the range of 2 Megabytes to 15 Megabytes is currently available, although greater memory capacity devices are likely to be introduced. Both 5 volt and 3.3 volt power supplies are supported. A compact flash card is interfaced to notebook computers and PDAs by inserting the card into a special PC card adapter. The compact flash series is described in a publication of the SanDisk Corporation entitled Compact flash Series Preliminary Data Sheet, Document No. 80-11-00015, Rev. 1.0, Oct. 1994.
The miniature card is a small format card that was initially announced by Intel Corporation in 1995. The form factor of the miniature card is 35 �33 �3.5 mm, and the surface area, which is shown at 120 in FIG. 1, is approximately 25% the surface area of the standard PC card. The miniature card has a 60 pin Elastimeric connector rated at a minimum insertion lifetime of 5,000 cycles. The card supports a linear addressing range of up to 64 Megabytes of memory using a 16-bit data bus. Memory capacity in the range of 2 Megabytes to 4 Megabytes is currently available, although greater memory capacity devices are likely to be introduced. The miniature card specification allows for flash, DRAM and ROM memory types. Both 5 volt and 3.3 volt power supplies are supported by the specification. A miniature card is interfaced to notebook computers and PDAs that support the standard PC card interface with a special PC card adapter. A miniature card specification is described in Miniature Card Specification, Release 1.0, Feb. 1996, available from Intel Corporation of Santa Clara, Calif.
The solid state floppy disk card, or SSFDC, is a small format card initially announced by Toshiba Corporation in 1995. The form factor of the SSFDC card is 45�37�0.76 mm, and the surface area thereof, which is shown at 120 in FIG. 1, is approximately 36% the surface area of the standard PC card. The SSFDC has 22 flat contact pads, some of which are I/O pads for both address and data input and output as well as for command inputs. The card specification is dedicated to byte serial NAND-type flash memory. Memory capacity of 2 Megabytes is currently available, although memory capacity in the range of 512 kilobytes to 8 Megabytes is anticipated. The specification accommodates 5 volt or 3.3 volt power supplies. An SSFDC is interfaced to notebook computers and PDAs that have the standard PC card interface with a special PC card adapter. An illustrative device is type TC5816ADC, which is described in Preliminary TC5816ADC Data Sheet No. NV16030496, Apr. 1996, available from Toshiba America Electronic Components, Inc. of Irvine, Calif. The device is said to be suitable for such applications as solid state file storage, voice recording, image file memory for still cameras, and other systems which require high capacity, non-volatile memory data storage.
Another low memory capacity card format is known as the Subscriber Identification Module ("SIM"), which is used in conjunction with mobile telephones based on the Global System for Mobile Communications ("GSM") standard. The SIM specification is set forth in a publication of the European Telecommunication Standard Institute entitled European Digital Cellular Telecommunication System, Global System for Mobile Communications, Phase 2: Specification of Subscriber Identity Module--Mobile Equipment Interface, Document No. GSM 11.11, Reference (RE/SMG)-091111PR3, ICS 33.060.50, Dec. 1995. The form factor of the SIM is 25 mm� 15 mm�0.76 mm, and the surface area thereof, which is shown at 220 in FIG. 2, is much smaller than the standard PC card. SIMs offer only a very limited amount of memory, typically less than one kilobit. However, this small amount of memory is sufficient to provide a GSM mobile phone with secure identification of the GSM subscriber, and may also hold a small amount of data for call metering, phone number storage, and in some cases very short data messages (less than a few hundred bytes of data). The SIM uses the same 8 pad contact pattern as the IC card, but only five of the pads are required for Vcc, RST, CLK, GND, and I/O. The plug-in SIM typically is housed in a small hinged smart card connector similar to the type CCM03 available from ITT Canmon Corporation of Santa Ana, Calif. The small form factor allows the GMS SIM to be placed inside the phone as a plug-in module. Because the GSM SIM typically is removed only if a different GSM phone is to be used, GSM SIM connectors typically are designed for fewer insertion/removal cycles than normally experienced with IC and ID cards.
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device for a wireless phone and methods of implementing and using sameWO2003046739A2 *Oct 25, 2002Jun 5, 2003Onspec Electronic IncMultimode controller for intelligent and 'dumb' flash cards* Cited by examinerClassifications U.S. Classification365/51, 365/63, 365/244International ClassificationG11C5/06, G11C19/08, G06F13/40Cooperative ClassificationG11C2216/30, G06K19/07741, G06K19/07732, G06F13/409, Y02B60/1228, Y02B60/1235, G11C5/066, G06K19/07743, G06K7/0021European ClassificationG06K19/077K, G06K7/00K2, G06K19/077G4, G06K19/077E7, G11C5/06M, G06F13/40E4Legal EventsDateCodeEventDescriptionMar 11, 2010FPAYFee paymentYear of fee payment: 12Mar 6, 2006FPAYFee paymentYear of fee payment: 8Mar 2, 2006ASAssignmentOwner name: WINBOND ELECTRONICS CORPORATION, TAIWANFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NEXFLASH TECHNOLOGIES, INC.;REEL/FRAME:017297/0984Effective date: 20060222Mar 7, 2002FPAYFee paymentYear of fee payment: 4Jul 6, 1999CCCertificate of correctionMar 29, 1999ASAssignmentOwner name: NEXFLASH TECHNOLOGIES, INC., CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:INTEGRATED SILICON SOLUTION, INC.;REEL/FRAME:009857/0495Effective date: 19990303Jan 26, 1998ASAssignmentOwner name: INTEGRATED SILICON SOLUTION, INC., CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NEXCOM TECHNOLOGY, INC.;REEL/FRAME:008933/0038Effective date: 19980115Sep 23, 1997ASAssignmentOwner name: NEXCOM TECHNOLOGY, INC., CALIFORNIAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:JIGOUR, ROBIN J.;WONG, DAVID K.;REEL/FRAME:008719/0995Effective date: 19970812RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services©2012 Google