WO2011004444A1 - デバイス、及びデバイス取付け装置 - Google Patents
デバイス、及びデバイス取付け装置 Download PDFInfo
- Publication number
- WO2011004444A1 WO2011004444A1 PCT/JP2009/062291 JP2009062291W WO2011004444A1 WO 2011004444 A1 WO2011004444 A1 WO 2011004444A1 JP 2009062291 W JP2009062291 W JP 2009062291W WO 2011004444 A1 WO2011004444 A1 WO 2011004444A1
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- WIPO (PCT)
- Prior art keywords
- discharge
- controller
- memory device
- unit
- host
- Prior art date
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/409—Mechanical coupling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/38—Universal adapter
- G06F2213/3804—Memory card connected to a computer port directly or by means of a reader/writer
Definitions
- the present application relates to a technical field of a non-volatile semiconductor memory, a memory device including a controller that controls reading and writing of data with respect to the non-volatile semiconductor memory, and a connection unit electrically connected to the controller, and a mounting apparatus thereof.
- a functional device including a functional circuit having a function other than data storage provided in the nonvolatile semiconductor memory, a controller that controls reading and writing of data with respect to the functional circuit, and a connection unit that is electrically connected to the controller , And the technical field of the mounting apparatus.
- ODD optical Disk Drive
- a user starts using an optical disk (eg, CD, DVD, BD, etc.)
- an ODD tray is opened and an optical disk is inserted therein.
- the ODD detects the insertion of the optical disc, the ODD sends a signal to a host computer (hereinafter referred to as “host”) connected to the ODD, and the host starts to read the data recorded on the optical disc through the ODD.
- host host computer
- the ODD eject button eject button
- the ODD detects that the eject button has been pressed
- the ODD sends an eject request (information indicating a discharge request (removal request)) to the host
- the host ends the operation on the ODD, and sends an eject command to the ODD.
- the ODD receives the eject command
- the ODD ends the operation on the optical disc and ejects (discharges) the optical disc.
- the host displays information indicating that it cannot respond to the eject request from the ODD, and does not send the eject command to the ODD.
- the ODD terminates the ejection command from the host with an error and does not eject the optical disk.
- the user can intuitively insert and remove the optical disc by the same method (ease of use), and can carry the optical disc.
- data on the optical disk when the optical disk is taken out and host software accessing the optical disk are protected.
- the card-type memory device main body or its mounting portion does not have an eject button as described above for the user to instruct ejection of the memory device, and before the host finishes the operation to the memory device, the user Can remove the memory device from the mounting portion. For example, if the user removes the memory device from the mounting section while the application (software) is still running, the application crashes, the data to be written to the memory device is destroyed, or the data ends without being written. There is. Therefore, such a card-type memory device is not sufficiently protected against erroneous removal.
- Removable card-type functional devices with built-in functional circuits that have the same card shape and wireless communication functions have become widespread.
- Such a card-type functional device is mounted on a mounting portion of the host when used, and is removed from the mounting portion of the host when the use is finished.
- the card-type functional device main body or its mounting portion does not have the eject button as described above for the user to instruct ejection of the functional device, and the host is the functional device.
- the user can take out the functional device from the mounting portion. For example, if the user removes the functional device from the mounting section while the application (software) is still running, the application crashes, the control data of the device driver software that handles the functional device is destroyed, or the host memory It may end without being deleted from the top. If the control data of the device driver software that handles the functional device is destroyed and remains undeleted from the host memory, the functional device will not be recognized by the host even if the functional device is reattached to the host. Cannot be used correctly. Therefore, such a card type functional device is not sufficiently protected against erroneous removal.
- the extraction operation method differs depending on the application software, and is difficult to understand compared to ODD.
- Patent Document 1 discloses a technique of a detachable small hard disk drive (hereinafter referred to as “HDD (Hard Disk Drive)”).
- HDD Hard Disk Drive
- the HDD or HD cartridge can be removed from the portable computer by pressing the eject operation member by the user, and even when the eject operation member is pressed during data access to the HD, It is configured to prevent data destruction.
- the technique of Patent Document 1 requires a special mechanism for detachably storing the HDD in the portable computer, and also requires a special mechanism to electrically connect the HDD to the portable computer. There is a problem that an interface is necessary and a general-purpose interface (for example, a USB interface) cannot be used.
- an SSD Solid State Drive
- a memory device including a nonvolatile semiconductor memory, a controller that controls reading and writing of data to the nonvolatile semiconductor memory, and a general-purpose interface for communicating with a host.
- this SSD is generally considered to be replaced with an HDD, for example, it is fixed to a mounting portion of a host with screws, but a form in which this SSD is replaced with an optical disk is expected. That is, the user can easily take out and carry the SSD like an optical disk.
- the current SSD can use a general-purpose interface, it is not sufficient in terms of usability similar to that of an optical disc and protection against erroneous ejection as described above (guarantee in terms of data access).
- the current SSD is equipped with a controller, it is more expensive than an optical disk, and it is necessary to suppress unnecessary costs as much as possible in order to realize a form in which the SSD is replaced with a conventional optical disk. is there.
- the present application provides a device and a device mounting apparatus capable of realizing the same usability as an optical disc and protecting against erroneous ejection while minimizing the cost while solving such a problem as one of the problems. With the goal.
- the invention described in claim 1 includes a nonvolatile semiconductor memory, a controller that controls reading and writing of data to and from the nonvolatile semiconductor memory, and a host interface unit for the controller to communicate with a host computer And a device mounting apparatus having a device mounting portion capable of mounting a device including a connection portion electrically connected to the controller, and an operation of receiving an instruction to eject the device from the connection portion of the device and a user And a discharge portion having a discharge mechanism for discharging the device from the device mounting portion, respectively, and a connection portion that is electrically connected to each other.
- Claim 5 is the said device which can be attached to the device attachment apparatus as described in any one of Claim 1 thru
- FIG. (A) is a flowchart showing processing of the controller 12 of the memory device 1
- (B) is a flowchart showing processing of the host 4 (CPU).
- FIG. 2 is a diagram showing a more detailed configuration example inside an SSD card 1.
- FIG. 2 It is a figure which shows the more detailed structural example inside SSD card attachment apparatus 2.
- FIG. 1 is a diagram illustrating an internal configuration example of the memory device 1 and the memory device mounting apparatus 2, and a connection mode of the memory device 1, the memory device mounting apparatus 2, and the host 4.
- the memory device 1 is detachable from the memory device mounting device 2 (memory device mounting portion 21).
- the memory device 1 is mounted on the memory device mounting device 2. Represents.
- the memory device 1 includes a nonvolatile semiconductor memory 11, a controller 12, a host interface unit 13, and a connection unit 14.
- the memory device mounting apparatus 2 includes a memory device mounting unit 21, a host interface unit 22, a connection unit 23, an operation unit 24, and a discharge unit 25.
- the non-volatile semiconductor memory 11 is, for example, an EEPROM (ElectricallyrasErasable Programmable Read Only Memory), and stores various data.
- EEPROM ElectricallyrasErasable Programmable Read Only Memory
- the controller 12 includes, for example, a CPU (Central Processing Unit), a RAM (Random Access Memory), and a ROM.
- the controller 12 controls reading and writing of data with respect to the nonvolatile semiconductor memory 11, and also includes host interface units 13 and 22 and an interface cable. 3 to communicate with the host 4.
- a personal computer can be applied to the host 4.
- the host interface sections 13 and 22 are general-purpose interface (for example, USB (Universal Serial Bus) interface or serial ATA interface) contacts for the controller 12 to communicate with the host 4.
- the host interface unit 13 and the host interface unit 22 are electrically connected in a state where the memory device 1 is mounted on the memory device mounting unit 21.
- a general-purpose interface contact connected to the interface cable 3 is also provided on the host 4 side.
- connection unit 14 is a contact point that is electrically connected to the controller 12 through, for example, a wiring pattern.
- connection part 23 is a contact point electrically connected to the operation part 24 and the discharge part 25 through a wiring pattern, for example. In a state where the memory device 1 is attached to the memory device attachment portion 21, the connection portion 14 is electrically connected to the connection portion 23.
- the operation unit 24 is, for example, an electric eject button that receives a discharge instruction (eject instruction) of the memory device 1 from the user.
- the discharge unit 25 is an electric discharge device having a discharge mechanism for discharging the memory device 1 from the memory device mounting unit 21.
- discharge means that the electrical connection between the memory device 1 and the memory device mounting apparatus 2 and the electrical connection between the memory device 1 and the host 4 are released, and the memory device 1 moves to the memory device mounting portion 21. Is moved (for example, about 5 mm) from a mounting position (position shown in FIG. 1) to a position where the user can easily take it out.
- discharge part 25 since well-known various techniques are applicable, detailed description is abbreviate
- the memory device mounting apparatus 2 is configured to include the operation unit 24 and the discharge unit 25.
- the operation unit 24 and the discharge unit 25 are provided outside the memory device mounting apparatus 2. You may comprise.
- the memory device mounting apparatus 2 may be incorporated in the casing of the host 4 or may be installed outside the casing of the host 4. (2. Operation of memory device 1 and host 4) Next, operations of the memory device 1 and the host 4 will be described with reference to FIG.
- FIG. 2A is a flowchart showing the process of the controller 12 of the memory device 1
- FIG. 2B is a flowchart showing the process of the host 4 (CPU).
- the process shown in FIG. 2A is performed when the memory device 1 is attached to the memory device attachment portion 21 by the user operating the operation portion 24 (for example, pressing an electric eject button).
- the process starts when the controller 12 detects a discharge instruction for the memory device 1.
- a discharge instruction signal (for example, an ON signal) indicating a discharge instruction for the memory device 1 is output from the operation unit 24 to the connection unit 23.
- the connection unit 23 receives the discharge instruction signal output from the operation unit 24, the connection unit 23 outputs the discharge instruction signal to the connection unit 14.
- the connection unit 14 receives the discharge instruction signal output from the connection unit 23, the connection unit 14 outputs the discharge instruction signal to the controller 12.
- the controller 12 detects the discharge instruction of the memory device 1 by inputting the discharge instruction signal output from the connection unit 14.
- the controller 12 when the controller 12 detects a discharge instruction of the memory device 1 (that is, inputs a discharge instruction signal), the controller 12 sends an eject request (information indicating a discharge request) to the host 4 through the host interface units 13 and 22 and the interface cable 3. Transmit (step S1).
- step S2 when the host 4 receives the eject request (step S2), for example, in order to write the write data on Write back cahe into the nonvolatile semiconductor memory 11 of the memory device 1, the write data is sent to the host interface units 13 and 22. Then, the data is transmitted (written) to the controller 12 through the interface cable 3, and the operation on the memory device 1 is terminated (for example, an application such as video reproduction is terminated) (step S3).
- the host 4 transmits an eject command (information indicating a discharge command) to the controller 12 through the host interface units 13 and 22 and the interface cable 3 (step S4).
- step S5 when the controller 12 receives an eject command from the host 4 through the host interface unit 13 or the like (step S5), the controller 12 ends the operation (for example, data writing) to the nonvolatile semiconductor memory 11 (step S6).
- the controller 12 outputs a drive signal (for example, an ON signal) for driving the discharge mechanism of the discharge unit 25 to the discharge unit 25 via the connection units 14 and 23 (step S7). That is, when the connection unit 23 of the memory device mounting apparatus 2 receives the drive signal output from the connection unit 14 of the memory device 1, the connection unit 23 outputs the drive signal to the discharge unit 25. As a result, the ejection mechanism is driven and the memory device 1 is ejected from the memory device mounting portion 21.
- a drive signal for example, an ON signal
- connection unit 14 provided in the memory device 1 and the connection unit 23 provided in the memory device mounting apparatus 2 are connected, and the user operates the operation unit 24.
- the information is transmitted to the host 4 via the connection unit 14, the connection unit 23, the controller 12, and a general-purpose interface.
- the ejecting unit 25 is driven via the connecting unit 14 and the connecting unit 23 to eject the memory device 1, so that the ejecting process of the memory device 1 is performed by the host. 4
- Protection (guaranteed data access surface) can be achieved that.
- the controller 12 and a general-purpose interface can be used in the process of ejecting the memory device 1, a new controller for controlling the ejection or a special interface may be provided in the memory device mounting apparatus 2. Therefore, the cost can be suppressed as much as possible.
- the memory device 1 is an SSD (Solid State Drive) card 1 having a USB interface
- the memory device mounting apparatus 2 is an SSD card mounting apparatus 2.
- FIG. 3 is a diagram showing an internal configuration example of the SSD card 1 and the SSD card mounting device 2 and a connection mode of the SSD card, the SSD card mounting device 2 and the host 4.
- FIG. 4 is a diagram showing a more detailed configuration example inside the SSD card 1.
- FIG. 5 is a diagram showing a more detailed configuration example inside the SSD card mounting device 2.
- the SSD card mounting device 2 and the host 4 are connected by a USB cable 3 as shown in FIG.
- the SSD card 1 includes a nonvolatile semiconductor memory 11, a controller 12, a USB interface contact 13 as a host interface unit, and a connection unit 14.
- the SSD card 1 according to this embodiment is different from the known SSD card in that a connection unit 14 is provided.
- the USB interface contact 13 is provided with contacts (pins) 131 and 132 for signal (balanced transmission), a contact 133 for supplying 5V power, and a contact 134 for GND.
- the signal contacts 131 and 132 are electrically connected to the controller 12 through, for example, a wiring pattern.
- the contact 133 for supplying 5V power and the contact 134 for GND are electrically connected to the nonvolatile semiconductor memory 11, the controller 12, and the connection unit 14 through, for example, a power supply wiring. As a result, power is supplied from the host 4 to the nonvolatile semiconductor memory 11, the controller 12, and the connection unit 14.
- connection unit 14 includes a contact 141 for supplying 5V power connected to the contact 133 for supplying 5V power, a contact 142 for GND connected to the contact 134 for GND, and a discharge instruction signal from the operation unit 24.
- Contact 143 and a drive signal contact 144 to the discharge unit 25 are provided.
- the contact 143 for the discharge instruction signal and the contact 144 for the drive signal are electrically connected to the controller 12 via a wiring pattern, for example.
- the SSD card attachment device 2 includes an SSD card attachment portion 21, a connection portion 23, an operation portion 24, and a discharge portion 25, and as a host interface portion.
- a USB interface contact 22a, a USB cable 22b, and a USB connector 22c are provided.
- the USB interface contact 22a is connected to the USB cable 3 via the USB cable 22b and the USB connector 22c.
- the USB interface contact 22a includes signal contacts 221 and 222 connected to the signal contacts 131 and 132, and a 5V power supply contact 223 connected to the 5V power supply contact 133. And a GND contact 224 connected to the GND contact 134.
- the connecting portion 23 includes a 5V power supply contact 231 connected to the 5V power supply contact 141, a GND contact 232 connected to the GND contact 142, and the discharge instruction signal.
- a discharge instruction signal contact 233 connected to the contact 143 for driving and a contact 234 for driving signal connected to the contact 144 for driving signal are provided.
- the contact 231 for 5V power supply and the contact 232 for GND are electrically connected to the operation unit 24 and the discharge unit 25 through, for example, power supply wiring. Accordingly, power is supplied from the host 4 to the operation unit 24 and the discharge unit 25 in a state where the SSD card 1 is mounted on the SSD card mounting unit 21.
- discharge instruction signal contact 233 is electrically connected to the operation unit 24 through, for example, a wiring pattern
- drive signal contact 234 is electrically connected to the discharge unit 25 through, for example, a wiring pattern. ing.
- connection unit 14 is additionally mounted on the existing SSD card, and the connection unit 23, the operation unit 24, and the discharge unit 25 are added to the existing SSD card mounting device.
- the SSD card 1 ejection process is as easy as an optical disk regardless of the software on the host 4, while protecting costs as much as possible, and protection against erroneous removal of the SSD card 1 (guaranteed in terms of data access) ) Can be realized.
- the existing low-cost SSD card uses a Multi-Level Chip (a chip that stores 3 to 4 bits per memory element), which has a slower write speed than the write-back cache memory size on the host 4, and writes back-cache.
- Multi-Level Chip a chip that stores 3 to 4 bits per memory element
- connection portion 14 and the connection portion 23 are provided with a contact for supplying 5V power and a contact for GND, and the power supply wiring is passed through the SSD card 1, so that the SSD card 1 is connected to the SSD card attachment portion 21.
- the power supply can be cut off, and the leakage current can be eliminated.
- the connection portion 14 and the connection portion 23 are not provided with a contact for supplying 5V power and a contact for GND, and the power supply wiring is connected to the operation portion 24 and the discharge portion 25 from the USB interface contact 22a. May be. According to this configuration, the leakage current to the operation unit 24 and the discharge unit 25 cannot be eliminated, but the number of contacts (pins) in the connection unit 14 and the connection unit 23 can be reduced.
- each of the connection portion 14 and the connection portion 23 is provided with a discharge instruction signal contact and a drive signal contact separately, and two discharge instruction signal and drive signal contacts are provided.
- the wiring pattern is provided, as another example, the discharge instruction signal contact and the drive signal contact are integrated into one (that is, shared), and the discharge instruction signal and drive signal contacts are provided. You may comprise so that one wiring pattern may be provided. In this case, for example, with 2.5V as a boundary, if the ON signal is a voltage level higher than 2.5V, it is recognized as a discharge instruction signal, and if it is a voltage level lower than 2.5V, it is distinguished as a drive signal. . According to this configuration, it is possible to reduce the number of contacts and the wiring pattern in the connection portion 14 and the connection portion 23.
- the present invention may be applied to other memory devices having the same configuration as the SSD card.
- the SSD card used as the main application of the data storage function of the nonvolatile semiconductor memory 11 is described as the device of the present application.
- Examples of such functional devices include Wireless LAN cards, video accelerator cards, and terrestrial digital tuner cards.
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Abstract
Description
(1.メモリーデバイスとメモリーデバイス取付け装置の構成)
先ず、図1を参照して、本発明の一実施形態に係るメモリーデバイス(本願のデバイスの一例)及びメモリーデバイス取付け装置(本願のデバイス取付け装置の一例)の構成について説明する。
(2.メモリーデバイス1とホスト4の動作)
次に、図2を参照して、メモリーデバイス1とホスト4の動作について説明する。
(3.実施例)
次に、図3乃至図5を参照して、メモリーデバイス1とメモリーデバイス取付け装置2の、より具体的な実施例について説明する。この実施例は、メモリーデバイス1を、USBインターフェースを持つSSD(Solid State Drive)カード1とし、メモリーデバイス取付け装置2を、SSDカード取付け装置2とした場合の実施例である。
2 メモリーデバイス取付け装置
3 インターフェースケーブル
4 ホスト
11 不揮発性半導体メモリー
12 コントローラ
13 ホストインターフェース部
14 接続部
21 メモリーデバイス取付け部
22 ホストインターフェース部
23 接続部
24 操作部
25 排出部
Claims (7)
- 不揮発性半導体メモリーと、当該不揮発半導体メモリーに対するデータの読み書きを制御するコントローラと、前記コントローラがホストコンピュータと通信を行うためのホストインターフェース部と、前記コントローラに電気的に接続される接続部とを備えるデバイスを取付け可能なデバイス取付け部を有するデバイス取付け装置において、
前記デバイスの前記接続部と、ユーザからの前記デバイスの排出指示を受け付ける操作部と、前記デバイス取付け部から前記デバイスを排出させる排出機構を有する排出部と、のそれぞれと電気的に接続される接続部
を備えることを特徴とするデバイス取付け装置。 - 請求項1に記載のデバイス取付け装置において、
当該デバイス取付け装置の前記接続部は、前記操作部から出力された前記排出指示を示す排出指示信号を入力すると、当該排出指示信号を前記デバイスの前記接続部に出力し、その後に前記デバイスの前記接続部から出力された前記排出機構を駆動させるための駆動信号を入力すると、当該駆動信号を前記排出部に出力することを特徴とするデバイス取付け装置。 - 請求項1又は2に記載のデバイス取付け装置において、
前記操作部と前記排出部を更に備えることを特徴とするデバイス取付け装置。 - 請求項1乃至3の何れか一項に記載のデバイス取付け装置において、
前記ホストインターフェース部は、USB(Universal Serial Bus)のインターフェース接点であることを特徴とするデバイス取付け装置。 - 請求項1乃至4の何れか一項に記載のデバイス取付け装置に取付け可能な前記デバイスであって、
前記不揮発性半導体メモリーと、当該不揮発性半導体メモリーに対するデータの読み書きを制御するコントローラと、当該コントローラに電気的に接続される接続部と、前記ホストコンピュータと通信を行うためのホストインターフェース部と、
を備え、
当該デバイスの前記接続部は、前記デバイス取付け装置の前記接続部に電気的に接続されることを特徴とするデバイス。 - 請求項5に記載のデバイスにおいて、
前記コントローラは、前記接続部を介して前記排出指示を示す排出指示信号を入力すると、排出要求を示す情報を前記ホストインターフェース部を通じて前記ホストコンピュータに送信し、その後に当該ホストコンピュータから前記ホストインターフェース部を通じて排出命令を示す情報を受信すると、前記排出機構を駆動させるための駆動信号を前記接続部を介して前記排出部に出力することを特徴とするデバイス。 - 前記デバイスは、データ記憶機能を主とした用途として用いられるメモリーデバイス、又は他の目的の機能を有する機能回路を備える機能デバイスであることを特徴とする請求項5又は6に記載のデバイス。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2009/062291 WO2011004444A1 (ja) | 2009-07-06 | 2009-07-06 | デバイス、及びデバイス取付け装置 |
JP2011521717A JPWO2011004444A1 (ja) | 2009-07-06 | 2009-07-06 | デバイス、及びデバイス取付け装置 |
US13/381,017 US20120120586A1 (en) | 2009-07-06 | 2009-07-06 | Device, and device mounting apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2009/062291 WO2011004444A1 (ja) | 2009-07-06 | 2009-07-06 | デバイス、及びデバイス取付け装置 |
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WO2011004444A1 true WO2011004444A1 (ja) | 2011-01-13 |
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PCT/JP2009/062291 WO2011004444A1 (ja) | 2009-07-06 | 2009-07-06 | デバイス、及びデバイス取付け装置 |
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US (1) | US20120120586A1 (ja) |
JP (1) | JPWO2011004444A1 (ja) |
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JP2013250657A (ja) * | 2012-05-30 | 2013-12-12 | Toshiba Corp | 情報処理装置、記憶装置およびデータ管理方法 |
US9723756B1 (en) * | 2014-04-29 | 2017-08-01 | Amazon Technologies, Inc. | Rack mounting portion assembly |
CN106647963A (zh) * | 2016-11-22 | 2017-05-10 | 英业达科技有限公司 | 服务器 |
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2009
- 2009-07-06 WO PCT/JP2009/062291 patent/WO2011004444A1/ja active Application Filing
- 2009-07-06 JP JP2011521717A patent/JPWO2011004444A1/ja not_active Ceased
- 2009-07-06 US US13/381,017 patent/US20120120586A1/en not_active Abandoned
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JPH06187512A (ja) * | 1992-12-16 | 1994-07-08 | Fuji Photo Film Co Ltd | Icメモリカード制御方式およびシステム |
JPH07110846A (ja) * | 1993-08-20 | 1995-04-25 | Asahi Optical Co Ltd | 情報通信装置 |
JPH10334205A (ja) * | 1997-05-30 | 1998-12-18 | Toshiba Corp | Icカードおよびメモリパッケージ |
JP2005293444A (ja) * | 2004-04-05 | 2005-10-20 | Renesas Technology Corp | メモリカードアダプタ及びメモリカード |
JP2005309540A (ja) * | 2004-04-16 | 2005-11-04 | Sony Corp | 記録装置および方法 |
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JPWO2011004444A1 (ja) | 2012-12-13 |
US20120120586A1 (en) | 2012-05-17 |
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