TWI273476B - Improved card reader and its data transmission method - Google Patents

Abstract

The present invention relates to an improved card reader and its data transmission method and, more particularly, to an integrated card reader with a simple structure and its method for transferring data of memory card. The improved card reader of the present invention includes: a data input/output interface for inputting/outputting data to/from the card reader; a management system for controlling and managing input/output of data; at least one data reading device capable of being connected to at least one kind of memory device for performing access control on data inputted to or outputted from the memory device; and at least one data sharing control device for providing a data access path when the data is inputted to or outputted from the memory device. When the data input/output interface is connected to a computer system and the memory device is connected to the data reading device and the data sharing control device, the management system and the computer cooperate with each other to detect and control data inputted to or outputted from the memory device, and the data is inputted or outputted through the path provided by the data sharing control device.

Description

1273476 V. INSTRUCTION DESCRIPTION (1) [Technical field to which the invention pertains] The present invention relates to an improved card reader and a method for data transmission thereof, and more particularly to an integrated card reader and its data transmission with integrated data_Memory The method of card. [Prior Art] The popular card readers on the market today are divided into an internal card reader and an external card reader. However, whether it is an in-line or an external type, it is very important in terms of the simplification of its structure or the size of the volume. The simplification of the structure or the size reduction is very particular when the consumer is installed on a general personal computer or on a laptop for carrying out; on the other hand, reducing the size can also reduce the cost of the manufacturer. Therefore, under the condition that both sides have brought benefits, the trend of the structure or volume of the card reader is light, thin, short and small, which is becoming more and more obvious; even, the breakthrough in technology It is also constantly developing upwards. For the structure of the conventional art, please refer to Figure 1, which is a schematic diagram of the structure of the card reader. The card reader system comprises a data input/output interface 1 Γ, the data input and output interface 1 is in the form of USB; a management system 1 3 ′, comprising a control unit 1 3 Γ , a memory unit 1 3 3 ' a processing unit 135'; a data reading device 15', comprising a Compact

Flash card reading device 151', a Memory Stick card reading device 153', a Smart Media card reading device 155', a Secure Digital card calling device 1 5 7 ', the data reading device 1 5 ' It adopts two kinds of aspect supply markets, that is, one slot can read many different memory cards and multiple slots.

Page 6 1273476 V. Invention Description (2) Do not read different memory cards; among them, each reading device controls the reading and accessing of the corresponding memory card with two communication interfaces, such as the Compact The flash card reading device 151 transmits a data transmission interface 1511' having eight terminals and a control interface 1513, and a c〇mpact

The memory card 171' is connected to the memory card 173 through a data transmission interface 丨5 3丨 having a four terminals, and a control interface 1 533. The Smart Media card reading device is connected to a Smart Media card 175 via a data transmission interface 1551 having eight terminals and a control interface 1553'. The Secure Digital/Multi-media card reading device is connected. 157 is connected to a control interface 1573 via a data transmission interface 1571 having four terminals, and to a Secure Digital/Multi-media card 175. Among them, the multiple terminals of each data transmission interface often cause structural complication and cost increase. As shown in the figure, there are a total of twenty-four terminals for data transmission, which increases many costs; If any of the terminals are deformed and the like, and the matching aspect is an all-in-one card reader, the card reader must be time-consuming and cost-effective to repair; or even the entire card reader is scrapped. Based on the occurrence of these conditions, the re-design and improvement of the internal structure of the card reader is an active topic to be explored. SUMMARY OF THE INVENTION The main object of the present invention is to provide an improved card reader that intervenes its internal structure to make the card reader reduce the probability of failure, and

1273476 V. Description of invention (3) Reduce the cost of repairs when it is difficult. ·- The secondary object of the present invention is to provide an improved card reader to reduce the size of the card reader and to reduce the occupied space when assembling it in a general personal computer; Easy to carry when using a notebook computer. A further object of the present invention is to provide an improved card reader which can be widely used in desktop computer built-in devices, stand-alone USB card readers, and notebook computers with a simplified structure and reduced production cost. See the card reader, the printer inside the USB card reader, the built-in USB card reader for home appliances, the electronic phase thin, the portable product built-in card reader, mobile phone, etc. Another object of the present invention is to provide an improved card reader transmission method, which simply and quickly performs data transmission with its integrated structure and unique data transmission path. An improved card reader of the present invention comprises: a data input and output interface for feeding data into and out of the card reader; a management system for controlling and managing data in and out; at least one data reading device is required to at least A memory device can be coupled thereto for performing access control on data entering and leaving the memory device; at least one data sharing control device is configured to provide a path for data access when the data enters and exits the memory device; and when the data input and output interface is When the computer system is connected, and the memory device is connected to the data reading device and the data sharing control device, the management system cooperates with the computer system to detect and control the data entering and leaving the memory device, and the data to be accessed is shared by the data. The path provided by the control device is in and out.

Page 8 1273476 V. Description of Invention (4) [Embodiment]: Please refer to FIG. 2, which is a schematic diagram of the internal structure of the present invention. An improved card reader of the present invention comprises: a data input/output interface _ 1 1 for feeding data into and out of the card reader, and the data input and output interface 1 1 can adopt USB, : 1 3 9 4, RS 2 3 2, COM 埠, parallel 埠, PS2 ^ PCMCIA, 8 0 2 . 1 1 series, Bluetooth, infrared and other systems for diversified transmission; a management system 13 is to control and manage the entry and exit of data, The management system 13 further includes: a control unit 133, a memory unit 133 and a processing unit 135 for performing the above functions; a data reading device 15 for causing at least one memory device to be Linking for access control of data entering and leaving the memory device, the data reading device 15 can be a memory card access device, such as a memory card slot, and through a simple control circuit The memory device communicates with the control command, and the memory card slot can be any of the following: an all-in-one memory card slot, a plurality of memory card slots, and the memory device can also be any of the following: C 〇mpact F 1 ash C ard , IBM Micro-drive ^ Smart Media Card, xD-picture Card ^ Multi-media Card " Secure Digital Card,

Memory Stick Card and Memory Stick PRO Card, as shown in the figure, the data reading device 1 5 includes a memory card reading device 1 5 1 , a memory card reading device 1 5 3, and a memory card reading. The device 1 5 5 and a memory card reading device 1 5 7 respectively pass through a control line 1 5 1 3, a control line 1 5 3 3, a control line 1 5 5 3, a control line 1 5 7 3 and a memory device® 1 7 1 , a memory device 1 7 3 , a memory device 1 7 5 , and a memory device 1 7 7 to control when the memory devices are connected to the data reading device 15;

Page 9 1273476 V. Description of invention (5)

A data sharing control device 1 9 provides a path for data access when the data enters and exits the memory device, and the data sharing control device 9 performs data with each memory device through a simple and integrated data transmission line 1 1 1 Transmission, and the data transmission line 191 has only eight terminals; in short, when the data input and output interface 11 is connected to a computer system (not shown) such as a general computer or a data storage device, When one or more memory devices are coupled to the data reading device 15 and the data sharing control device 19, the management system 13 cooperates with the computer system to detect and control data entering and leaving the memory device, and the data to be accessed The path is provided by the data sharing control device 19, that is, the data transmission line 191. Therefore, the data transmission line 197 that has been integrated by the structural design has only eight terminals, which is much smaller than the twenty-four of the conventional technology, and saves a lot in terms of cost and maintenance. Please refer to FIG. 3, which is a data transmission flowchart of the present invention. In the following, a method for data transmission of an improved card reader of the present invention will be described. The method includes: (1) starting; (2) initializing a card reader; that is, a data input/output interface 1 1 in the card reader a computer system link;

(3) The computer system cooperates with a management system 13 in the card reader to detect any one of the data reading devices 15 in the card reader, and the memory card reading device 1 5 3 a memory card reading device 155, a memory card reading device 157 or a plurality of memory devices, such as any one of the memory devices 177, the memory device 173, the memory device 177 and Memory device 1 7 7 or a plurality of them, if yes, enter the step

Page 10 1273476 V. Invention Description (6) (4), right, return to step (2), connect the card reader with a memory device, that is, the memory device 丨7 i 〈 here to link one For example, the memory device is connected with the reading ^ ^ ^ J ^ ^15 t ^ ^ ^ ^ ^15! \ , the bedding sharing control device 19; the device 171 ' is separately controlled and the data access memory device 17 is separately controlled. The only transmission with the data access memory device 171, that is, the computer system operates in conjunction with the management system 13 in the card reader, and the control line & road 1513 connected to the memory device 171 by the material reading device 15 and The data sharing control device 19 and the memory device 丨: +: wheel circuit m 'determine which form of the memory device 171 is connected to the data for transmission; a): material:: ί fL 5 The device 1 7 1 ' is controlled by the control line 1 5 1 3 and transmitted by the bedding transmission line 191 through the data sharing path of the data sharing method; the & device 19 is terminated by (7).

' 1 394 '^2 3 2 ^COM Included: One control single Fu input 'Bian Guanli U system U more package: The data read: =15 series two two single: wide and - processing unit (3) slot state 'and The memory card slot, 置, such as a memory card or a plurality of memory card slots, ·, J eve & a memory card slot, 1 7 3, 1 7 5, 1 7 7 can be under On the other hand, the memory device 1 7 1 is in a state of existence: C〇mpact 1273476 V. Description of invention (7)

Flash Card, IBM Micro-drive " Smart Media Card xD-picture Card ^ Multi-media Card " Secure Digital Card ^ Memory Stick Card " Memory Stick PR 0 Card; the computer system can also be a general computer or data storage The aspect of the device. As can be seen from the above, an improved card reader data transmission method adopts a separate processing mode of control and lean material transmission, in particular, an additionally planned data sharing control device 197, which can integrate data transmission. , the simplicity of the transmission of the disc. In summary, the improved card reader of the present invention and the method of data transmission thereof are a method of integrating a simple card reader with a data transfer memory card. Among them, the integrated structure is simpler than the conventional technology, and can save a lot in maintenance and cost; on the other hand, it can ensure the simplicity of transmission in data transmission. Therefore, the present invention has met the novelty, advancement and industrial applicability of the invention patent subject, and applied for an invention patent according to law, and requested the bureau to grant a patent for the detailed examination.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing the structure of a conventional card reader; Fig. 2 is a schematic view showing the internal structure of the present invention; and Fig. 3 is a flow chart of data transmission of the present invention. [Simple description of the figure] 1 1 'Data input and output interface 13' Management system 1 3 Γ Control unit 133' Memory unit 135' Processing unit 15' Data reading device 15 Γ Compact Fla sh card reading device 15 11 'Data transmission interface 1513 'Control interface 153' Memory Stic k card reader 1531 'Data transfer interface 1533' Control interface 1 55J Smart Media card reader 155 1 'Data transfer interface 1553 'Control interface 157' Secure D igita 1 card reader 1571 'Data transmission interface 1573 ' Control interface 171' Compact Fla sh card

Page 13 1273476 Schematic description 173' Memory Stick Card 175' Smart Media Card 177' Secure Digital/Multi-media Card 11 Data Input/Output Interface 1 3 Management System 1 3 1 Control Unit 1 3 3 Memory Unit 1 3 5 Processing Unit 1 5 Data reading device 1 5 1 Memory card reading device 1 5 1 3 Control circuit 1 5 3 Memory card reading device 1 5 3 3 Control circuit 1 5 5 Memory card reading device 1 5 5 3 Control circuit 1 5 7 memory card reading device 1 5 7 3 control circuit 1 7 1 memory device 1 7 3 memory device 1 7 5 memory device 1 7 7 memory device 1 9 data sharing control device 1 9 1 data transmission line (1) to ( 7) Step number

Claims (1)

1273476 VI. Patent application scope 1. An improved card reader, comprising: a data input and output interface for feeding data into and out of the card reader; a management system for controlling and managing data in and out; at least one data reading device And at least one memory device is connectable thereto for performing access control on data entering and leaving the memory device; and at least one data sharing control device is configured to provide a path for data access when the data enters and exits the memory device; When the data input/output interface is connected to a computer system, and the memory device is connected to the data reading device and the data sharing control device, the management system cooperates with the computer system to detect and control the data entering and leaving the memory device, and the accessing The data is accessed by the path provided by the data sharing control device. 2. An improved card reader according to claim 1, wherein the data input/output interface can be any of the following systems: USB, 1 3 9 4, RS 2 3 2, COM 埠, parallel埠, PS2 ^ PCMCIA, 8 0 2 . 1 1 series, Bluetooth, infrared. 3. The improved card reader of claim 1, wherein the management system further comprises: at least one control unit, at least one memory unit and at least one processing unit. 4. An improved card reader as described in claim 1 of the patent application, wherein The data reading device is a memory card access device, such as a memory card slot, and communicates with the memory device via a simple control circuit. 5. An improved card reader as described in claim 4, wherein Page 15 1273476 VI. The scope of application for patents, the memory card slot is any of the following: an all-in-one memory card slot, a plurality of memory card slots. 6. An improved card reader as described in claim 1, wherein the memory device is any one of the following: Compact Flash Card, IBM Micro-drive, Smart Media Card, xD-picture Card-Multi -media Card- Secure Digital Memory Stick Card, Memory Stick PRO Card- 7 - An improved card reader as described in claim 1, wherein the data sharing control device transmits a simple data, memory The device transmits data. Shell material transmission line and 8. An improved reading as described in claim 1 of the patent application, the computer system being in any of the following aspects: a general, medium storage device. A method for transmitting data of an improved card reader, comprising: (1) starting; (2) initializing a card reader; (3) connecting the card reader with a memory device; (4) Judging 4忒5 recalled devices, and separately performing the data transfer into and out of the r system and the unique transfer of data into and out of the memory device; 1 0 · If the method of patent application is lost, (2 1) the card is read a link inside the machine; The improved card reader according to item 9 (2) comprises the following steps: '> material input and output interface and a computer system will charge Page 16 1273476 VI. Scope of Application (2 2) The computer system operates in conjunction with a management system in the card reader to detect whether a data reading device in the card reader has at least one memory device, and if so, proceeds to step (3) ), if no, return to step (2 1 ). 1 1. The method for transmitting data of an improved card reader according to claim 9 , wherein the step (3) comprises the following steps: (3 1 ) simultaneously storing the memory device with a data in the card reader; The reading device is coupled to another data sharing control device in the card reader. The method for transmitting data of an improved card reader according to claim 9 of the patent application, wherein the step (4) comprises the following steps: (4 1 ) a computer system and a management system in the card reader Operation, a control circuit connected to the memory device via a data reading device and a data transmission circuit connected to the memory device by a data sharing control device to determine what type of memory device the memory device is for data transmission; (4) 2) The data starts to enter and exit the memory device and is controlled by the control circuit, and the data transmission line passes through the data sharing control device as a unique data transmission path. 1 3. A method for transmitting data of an improved card reader according to claim 10, wherein the data input/output interface can adopt any one of the following systems: USB, 1 3 94, RS2 3 2. COM埠, parallel 璋, PS2, PCMCIA, 8 0 2. 1 1 series, Bluetooth, infrared. The method of transmitting data of an improved card reader according to claim 10, wherein the management system further comprises: at least one control unit, at least one memory unit and at least one processing unit. Page 17 1273476 VI. Patent Application Range 1 5 · If the method of applying for patent transmission is as follows: 16. If you apply for patent transmission: Multi-in-one 1 7 · If you apply for patent transmission, Compact F1 Media Card Secure Dig Stick PRO 1 8 . As for the scope of patent application, its range of records, its memory card range, its ash ~ xD ita 1 Card range of brothers 1 0 items described ^ ^, the data read Zhuang Wenliang type Leica machine information recall Card slot. The clothing is a memory card accessing the item described in Item 15. The memory card is inserted into the data slot of the good card reader, and the plurality of files are: ★ j: any of the following aspects, item 12 groove. t , % q ^^ Good Reader Information A 4 clothing is one of the following: Card, IBM Micro-drive 'Smart -picture Card, Multi-media Card Card ^ Memory Stick Card, Memory 〇 1 0 An improved card reader data