CN1504891A - Expandable memory device - Google Patents
Expandable memory device Download PDFInfo
- Publication number
- CN1504891A CN1504891A CNA021536031A CN02153603A CN1504891A CN 1504891 A CN1504891 A CN 1504891A CN A021536031 A CNA021536031 A CN A021536031A CN 02153603 A CN02153603 A CN 02153603A CN 1504891 A CN1504891 A CN 1504891A
- Authority
- CN
- China
- Prior art keywords
- memory
- extendibility
- storage device
- controller
- flash memory
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Storage Device Security (AREA)
Abstract
The invention discloses an extended memory device, including a controller, to control the action of the flash memory and a connection port of at least a memory material and be connected to other electronic devices through the connection port; in addition, at least a memory to store the control software program of the controller; as well as a memory extended interface or extended input/output functional interface connected to the controller, to socket extended memory or input/output function extended device. It has functions of extending memory or providing other input/output extensions.
Description
Technical field
The present invention is relevant with a kind of memorizer memory devices (memory device), particularly about a kind of extendibility storage device.
Background technology
Development along with IT industry, electronics information product miscellaneous such as PC, notebook computer, PDA(Personal Digital Assistant) and digital camera etc., different application such as audio-visual multimedia and data Network Transmission in the daily life is provided, often need in these electronic products to store various electronic bits of datas, so data storage device is played the part of very important role.
Data storage device as disk drive, is divided into two kinds of hard drive and floppy disk drivers usually, and floppy disk driver must can use with magnetic sheet, can arbitrarily extract though this kind magnetic sheet has, and advantage easy to carry has only the storage volume of 1MB; And hard drive (abbreviation hard disk) is at present modal a large amount of storage equipment, it is to utilize track to read or write data, though the capacity of Winchester disk drive and speed are bigger and fast a lot of than floppy disk, because of it is not easy to carry, and must be fixedly installed in the main frame, use quite inconvenience.
Because the disk sheet of 1.44MB is not enough, hard disk capacious can't be carried again, can't use because Storage Media is different and will be with a large amount of archives to go out to transfer to an other computer, for this reason, but develop the portable hard disk that the various files of a kind of free access then, so as with great mass of data with walking.As United States Patent (USP) the 6th, 148, No. 354 patent discloses, it mainly is to comprise that a controller connects a USB joint and a flash memory, as jointing that is plugged to computer and the usefulness that stores data, and this controller also is provided with several interfaces with respectively, in order to transmit the usefulness of package, signal.
Yet, the storage volume of this kind portable hard disk inside is for fixing, and the required storage area of user is more and more big, cause this portable hard disk can't satisfy user's demand, and must purchase the bigger portable hard disk of capacity in addition or use several portable hard disks, cause user's puzzlement and the burden that increase is used.In addition, the fixing portable hard disk of this kind memory span also can't come elasticity to adjust this memory span according to user's demand.
Content of the present invention
Therefore, the present invention promptly at above-mentioned puzzlement, proposes a kind of extendibility storage device, effectively to overcome these above-mentioned shortcomings.
Fundamental purpose of the present invention is that a kind of extendibility storage device is being provided, and makes storage device except original data storage space, has more the storage expansion function, so that make the storage volume multiplication.
Another object of the present invention is that a kind of extendibility storage device is being provided, and it is the memory storage space that can increase extendibility according to need and in addition, so have the flexible characteristic of the apparatus of making.
A further object of the present invention is that a kind of extendibility storage device is being provided, and it is to utilize different extending interfaces, makes storage device have corresponding extended function.
Another purpose of the present invention is that a kind of extendibility storage device is being provided, and it is to utilize a protective device to be connected to controller, to reach the anti-function of writing and maintaining secrecy of data by this.
For reaching above-mentioned purpose, the present invention comprises at least one flash memory that stores data, and in order to the Port that is connected to other electronic installations to be provided; Other has a controller is the action of this flash memory of control and Port, and the Control Software program that controller is required is stored at least one storing memory; And one the storage expansion interface be electrically connected to this controller, connect the usefulness of extra flash memory so that installing to be provided.
The present invention is that further this Port is to be universal serial bus; This storing memory is to be selected from the group that ROM (read-only memory), random access memory, flash memory and erasable formula and programmble read only memory PROM are formed; This storage expansion interface is installed a flash memory and when storage volume is expanded, because the logical bit address table is fixed, so must be that unit sets up equal proportion reduction logic/entity address mapping table with the zone, and detect logical bit address, for the usefulness of access data with this address mapping table; This controller more is connected with a protective device; This protective device is to comprise that a display and several set button, is presented on this display with setting or key feeding cipher and with password; More store relevant application information in this storing memory: open password, identification code, fixing data bank data.
A kind of extendibility storage device of the present invention is characterized in that comprising: at least one flash memory, in order to store data; One Port provides to be connected to other electronic installations; One controller, it is the action of this flash memory of control and this Port; At least one storing memory is the Control Software program that stores this controller; And an I/O extending interface, it is to be electrically connected to this controller, and the usefulness of the other I/O functional extender apparatus of pegging graft is provided.
The present invention is further characterized in that: this Port is to be universal serial bus; This storing memory is to be selected from the group that ROM (read-only memory), random access memory, flash memory and erasable formula and programmble read only memory PROM are formed; This expanding device be for storage expansion be situated between or wireless telecommunications/infrared ray extending interface; This storage expansion interface is installed a flash memory and when memory capacity is expanded, because the logical bit address table is fixed, so must be that unit sets up equal proportion reduction logic/entity address mapping table with the zone, and address mapping table detects logical bit address by this, for the usefulness of access data; This controller more is connected with a protective device; This protective device is to comprise that a display and several set button, is presented on this display with setting or key feeding cipher and with password; More store relevant application information in this storing memory: open password, identification code, fixing data bank data.
Below cooperate appended graphic explanation in detail by specific embodiment, when the effect that is easier to understand purpose of the present invention, technology contents, characteristics and is realized.
Description of drawings
Fig. 1 is the structural representation of one of the present invention embodiment.
Fig. 2 is the structural representation of another embodiment of the present invention.
Fig. 3 is the structural representation that Fig. 1 sets up protection unit.
Specific implementation
The present invention makes a storage device except original function own, utilize the function that an extending interface expands increases this storage device, with the storage volume that increases storage device by this or make storage device have other different purposes such as wireless telecommunications, provide the user more selection.
Fig. 1 is the structural representation of one embodiment of the invention, and as shown in the figure, extendibility storage device 10 is to comprise: a built-in flash memory 12, the usefulness that provides the user to store data; One Port, the dust head is universal serial bus (Universal Serial Bus is called for short a USB) Port 14, plugs to electronic installations such as PC or notebook computers in order to provide to connect; And a controller 16 is arranged is the action that control flash memory 12 and USB Port 14 wait all elements, carrying out the data transmission by this USB Port 14, and this flash memory 12 is carried out the access of data; Two storing memories 18, comprise a ROM (read-only memory) (ROM) 182 and a random-access memory (ram) 184, this ROM 182 is as Control Software program that stores this controller 16 and relevant application information, for example: open password, identification code, the fixing usefulness of data such as data bank, and this RAM 184 provides the usefulness of information temporary storage; And a storage expansion interface 18, it is to be electrically connected to controller 16, inserts other extendibility flash memory 20 in order to provide.
Wherein, above-mentioned ROM (read-only memory) 182 in storing memory 18 also can be flash memory or erasable formula and programmble read only memory PROM (EEPROM).
When flash memory 20 when being installed on the storage expansion interface 18, because the logical bit address table is fixed, known when respectively having a corresponding logical bit address mode and carry out data access with each entity address, expand flash memory even add, still can't use the expansion flash memory because of the address table can't expand.So, the present invention is as a zone (zone) with multi-tiling, setting up earlier one in random access memory 184 is the equal proportion reduction logic/entity address mapping table (AddressMapping Table) of unit with the zone, and cooperate random access memory 184 itself to have the characteristic that reads continuously, search in random access memory 184 this address mapping table and obtain entity area, at each block of searching in regular turn in the entity area, till obtaining relative entity address, can obtain required entity address, so that the usefulness of access data to be provided.
Above-mentioned storage device 10 is except employed storage expansion interface, the present invention also can make other I/O extending interfaces, for example wireless telecommunications/infrared ray extending interface, as shown in Figure 2, make this wireless telecommunications/infrared ray extending interface 24 can external one wireless telecommunications/infrared ray expanding device 26, with wireless telecommunications or the infrared transmission function that expands storage device 10 by this.
In addition, more can on this storage device 10 shown in Figure 1, set up a protective device 22, as shown in Figure 3, it is the structural representation for another embodiment of the present invention, controller 16 in storage device 10 is to be connected with a protective device 22, and utilize this protective device set data to access to your password, to reach the anti-function of writing and maintaining secrecy of data.Wherein, this protective device 22 is to comprise that a display and several set button, is presented on this display in order to setting or key feeding cipher and with password.
Therefore, the present invention makes storage device except original data storage space, is having more the storage expansion function, so that make the storage volume multiplication; This storage expansion function is to increase the memory storage space of extendibility according to user's demand in addition, so have the flexible characteristic of the apparatus of making.
Above-described embodiment only is for technological thought of the present invention and characteristics are described, its purpose makes the personage who is familiar with this skill can understand content of the present invention and is implementing according to this, when can not with qualification claim of the present invention, promptly the equalization of doing according to disclosed spirit in every case changes or modifies, and must be encompassed in the claim of the present invention.
Claims (15)
1, a kind of extendibility storage device is characterized in that comprising:
At least one flash memory is in order to store data;
One Port provides to be connected to other electronic installations;
One controller, it is the action of this flash memory of control and this Port;
At least one storing memory is the Control Software program that stores this controller; And a storage expansion interface, it is to be electrically connected to this controller, and the grafting extra memory is provided.
2, extendibility storage device as claimed in claim 1 is characterized in that: this Port is to be universal serial bus.
3, extendibility storage device as claimed in claim 1 is characterized in that: this storing memory is to be selected from the group that ROM (read-only memory), random access memory, flash memory and erasable formula and programmble read only memory PROM are formed.
4, extendibility storage device as claimed in claim 1, it is characterized in that: this storage expansion interface is installed a flash memory and when storage volume is expanded, because the logical bit address table is fixed, so must be that unit sets up equal proportion reduction logic/entity address mapping table with the zone, and detect logical bit address with this address mapping table, for the usefulness of access data.
5, extendibility storage device as claimed in claim 1, it is characterized in that: this controller more is connected with a protective device.
6, extendibility storage device as claimed in claim 5 is characterized in that: this protective device is to comprise that a display and several set button, is presented on this display with setting or key feeding cipher and with password.
7, extendibility storage device as claimed in claim 1 is characterized in that: more store relevant application information in this storing memory: open password, identification code, fixing data bank data.
8, a kind of extendibility storage device is characterized in that comprising:
At least one flash memory is in order to store data;
One Port provides to be connected to other electronic installations;
One controller, it is the action of this flash memory of control and this Port;
At least one storing memory is the Control Software program that stores this controller; And
One I/O extending interface, it is to be electrically connected to this controller, and the usefulness of the other I/O functional extender apparatus of pegging graft is provided.
9, extendibility storage device as claimed in claim 8 is characterized in that: this Port is to be universal serial bus.
10, extendibility storage device as claimed in claim 8 is characterized in that: this storing memory is to be selected from the group that ROM (read-only memory), random access memory, flash memory and erasable formula and programmble read only memory PROM are formed.
11, extendibility storage device as claimed in claim 8 is characterized in that: this expanding device be for storage expansion be situated between or wireless telecommunications/infrared ray extending interface.
12, extendibility storage device as claimed in claim 11, it is characterized in that: this storage expansion interface is installed a flash memory and when memory capacity is expanded, because the logical bit address table is fixed, so must be that unit sets up equal proportion reduction logic/entity address mapping table with the zone, and address mapping table detects logical bit address by this, for the usefulness of access data.
13, extendibility storage device as claimed in claim 8, it is characterized in that: this controller more is connected with a protective device.
14, extendibility storage device as claimed in claim 13 is characterized in that: this protective device is to comprise that a display and several set button, is presented on this display with setting or key feeding cipher and with password.
15, extendibility storage device as claimed in claim 8 is characterized in that: more store relevant application information in this storing memory: open password, identification code, fixing data bank data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021536031A CN1504891A (en) | 2002-11-29 | 2002-11-29 | Expandable memory device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021536031A CN1504891A (en) | 2002-11-29 | 2002-11-29 | Expandable memory device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1504891A true CN1504891A (en) | 2004-06-16 |
Family
ID=34235212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021536031A Pending CN1504891A (en) | 2002-11-29 | 2002-11-29 | Expandable memory device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1504891A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100371848C (en) * | 2005-03-10 | 2008-02-27 | 华硕电脑股份有限公司 | Storage assembly and its application |
| CN100458745C (en) * | 2004-08-31 | 2009-02-04 | 深圳市朗科科技股份有限公司 | Extended flash disk |
| US7577778B2 (en) | 2005-10-20 | 2009-08-18 | Quanta Computer Inc. | Expandable storage apparatus for blade server system |
| CN102331972A (en) * | 2010-06-09 | 2012-01-25 | 李尔公司 | Shared memory architecture |
| CN104036809A (en) * | 2014-06-26 | 2014-09-10 | 无锡市崇安区科技创业服务中心 | Extendable mobile hard disk |
| CN107122309A (en) * | 2016-02-25 | 2017-09-01 | 瑞昱半导体股份有限公司 | Electronic installation and its control method |
-
2002
- 2002-11-29 CN CNA021536031A patent/CN1504891A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458745C (en) * | 2004-08-31 | 2009-02-04 | 深圳市朗科科技股份有限公司 | Extended flash disk |
| CN100371848C (en) * | 2005-03-10 | 2008-02-27 | 华硕电脑股份有限公司 | Storage assembly and its application |
| US7577778B2 (en) | 2005-10-20 | 2009-08-18 | Quanta Computer Inc. | Expandable storage apparatus for blade server system |
| CN102331972A (en) * | 2010-06-09 | 2012-01-25 | 李尔公司 | Shared memory architecture |
| CN102331972B (en) * | 2010-06-09 | 2014-06-04 | 李尔公司 | Shared memory architecture |
| US9195576B2 (en) | 2010-06-09 | 2015-11-24 | Lear Corporation | Shared memory architecture |
| CN104036809A (en) * | 2014-06-26 | 2014-09-10 | 无锡市崇安区科技创业服务中心 | Extendable mobile hard disk |
| CN107122309A (en) * | 2016-02-25 | 2017-09-01 | 瑞昱半导体股份有限公司 | Electronic installation and its control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100499686B1 (en) | Portable flash memory extended memory capacity | |
| KR100725271B1 (en) | USB-SD Memory with multiple DMA channels, and data storing method thereof | |
| US20070028121A1 (en) | Method of protecting confidential data using non-sequential hidden memory blocks for mass storage devices | |
| KR20200049051A (en) | Method of operating storage device, storage device performing the same and method of operating storage system using the same | |
| CN103744932A (en) | Page processing method and device | |
| CN101273354A (en) | Recycle bin function | |
| CN1504891A (en) | Expandable memory device | |
| US20050092846A1 (en) | Simulated smartmedia/XD-picture memory card capable of using various kinds on non-volatile memory | |
| CN100440167C (en) | Recording medium recording control method and recording control device | |
| JP2010511923A (en) | Memory card reader for recovering a memory card | |
| US20030058272A1 (en) | Information processing apparatus, information processing method, recording medium, data structure, and program | |
| JP4717907B2 (en) | System and method for protecting access of flash memory device | |
| US20050223144A1 (en) | Information terminal and data transfer method for information terminal | |
| US20040054859A1 (en) | Mouse device capable of storing data | |
| CN113448487B (en) | Computer readable storage medium, method and apparatus for writing flash memory management table | |
| JP2005044012A (en) | Portable information storage device and method for automatically operating it | |
| US20020089816A1 (en) | Keyboard device capable of driving removable recording medium | |
| JP2005092677A (en) | Memory device | |
| CN101350015A (en) | Data storage system and access method thereof | |
| CN100580647C (en) | Method for fixing and naming general serial port device on host port | |
| US8131965B2 (en) | File-copying apparatus of portable storage media | |
| JPH02132558A (en) | Portable information retrieving device | |
| JP3531438B2 (en) | Data management device, data management method, data management system, and external storage device | |
| EP1830276B1 (en) | Method for a host end fixedly naming a common serial port device | |
| US20060112203A1 (en) | Portable all-in-one digital data storage converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |