CN200941203Y - riser card - Google Patents

Abstract

The present invention relates to a switching card, which is suitable for accommodating a small memory card and can be connected with a personal computer. The adapter card comprises a lower cover, a circuit board and an upper cover. The circuit board is arranged between the upper cover and the lower cover. In addition, the circuit board has a first memory card transmission interface, a second memory card transmission interface and a computer transmission interface, wherein the size of the first memory card transmission interface is larger than that of the second memory card transmission interface. The second memory card transmission interface is suitable for electrically connecting with the small memory card, and the computer transmission interface is suitable for electrically connecting with the personal computer. Therefore, the adapter card is convenient to use.

Description

riser card

technical field

The utility model relates to an adapter card, in particular to an adapter card used for a small memory card.

Background technique

Due to the continuous advancement of information technology, storage media developed using semiconductor technology has gradually become a mainstream product, generally known as silicon disk card (portable memory), flash memory card (flash memory card) or memory card, which is different from traditional Compared with the two major storage media such as floppy disks and CDs, memory cards far surpass the above-mentioned functions in terms of portability, power saving, data storage, data transmission rate, repeated reading and writing, and shockproof and moisture-proof performance. Many of the two traditional storage media. Because the memory card has such superior usage characteristics, various international electronic product manufacturers are actively entering this market and actively launching their leading memory cards, such as: Smart card, PC card (PCMCIA ATA F1ash Card) , CF card (CompactFlashCard), SM card (Smart Media Card), MMC card (MultiMedia (Card), MS card (MemoryStick Card), SD card (Secure Digital Card), etc., which are widely used in various digital product.

When the data stored in the above-mentioned various memory cards are pre-transmitted to the personal computer, the above-mentioned memory cards usually require a card reader and a transmission line to transmit the data. If there is no card reader or transmission cable, the data transmission between the memory card and the personal computer cannot be carried out.

Contents of the invention

In view of this, the purpose of the utility model is to provide an adapter card for direct electrical connection with a personal computer.

To achieve the above or other purposes, the utility model provides an adapter card, which is suitable for accommodating a small memory card and connected to a personal computer. The riser card includes a lower cover, a circuit board and an upper cover. Wherein, the upper cover and the lower cover are assembled, and the circuit board is arranged between the upper cover and the lower cover. In addition, the circuit board has a first memory card transmission interface, a second memory card transmission interface and a computer transmission interface, wherein the size of the first memory card transmission interface is larger than the size of the second memory card transmission interface. The second memory card transmission interface is suitable for electrical connection with a small memory card, and the computer transmission interface is suitable for electrical connection with a personal computer.

In an embodiment of the present invention, the riser card further includes at least one electronic component disposed on the circuit board.

In an embodiment of the present invention, the electronic component is, for example, a capacitive component, an inductive component, a resistive component or a voltage regulator.

In an embodiment of the present invention, the riser card further includes at least one control chip configured on the circuit board.

In an embodiment of the present invention, the computer transmission interface is, for example, a USB transmission interface or an IEEE 1394 transmission interface.

In an embodiment of the present invention, the first memory card transmission interface is, for example, an SD memory card transmission interface.

In an embodiment of the present invention, the second memory card transmission interface is, for example, a micro SD memory card transmission interface or an MMC micro memory card transmission interface.

In an embodiment of the present invention, the riser card further includes a write protection switch disposed on one side of the lower cover.

In an embodiment of the present invention, the riser card further includes a protective cover assembled with the lower cover to accommodate the computer transmission interface.

Based on the above, since the adapter card of the present utility model has a computer transmission interface (such as a USB transmission interface or an IEEE 1394 transmission interface), the adapter card of the present utility model can be directly connected to the computer without using a card reader and a transmission line. The personal computer is electrically connected to facilitate data transmission.

In order to make the above and other objects, features and advantages of the present invention more comprehensible, preferred embodiments will be described in detail below together with the accompanying drawings.

Description of drawings

FIG. 1A is an exploded view of a riser card according to an embodiment of the present invention.

FIG. 1B is a partial exploded view of a riser card according to an embodiment of the present invention.

FIG. 1C is a combination diagram of a riser card according to an embodiment of the present invention.

FIG. 2A is a schematic front view of the circuit board of FIG. 1A .

FIG. 2B is a schematic diagram of the back of the circuit board of FIG. 1A .

110: Lower cover 110a: Opening

120: Circuit board 122: The first memory card transmission interface

124: Second memory card transmission interface 126: Computer transmission interface

130: Upper cover 140: Electronic components

150: Control chip 160: Write protection switch

170: Protective cover 210: Small memory card

Detailed ways

FIG. 1A is an exploded view of an adapter card according to an embodiment of the present invention, and FIG. 1B is a partial exploded view of an adapter card according to an embodiment of the present invention, and FIG. 1C is an exploded view of an adapter card according to an embodiment of the present invention. card combination diagram. Please refer to FIG. 1A to FIG. 1C , the riser card of this embodiment is suitable for accommodating a small memory card 2100 and connected to a personal computer. In addition, a personal computer is, for example, a desktop computer, a notebook computer or other electronic devices. The riser card includes a lower cover 110 , a circuit board 120 and an upper cover 130 . Wherein, the upper cover 130 is assembled with the lower cover 110 , and the circuit board 120 is located between the upper cover 130 and the lower cover 110 . In addition, the lower cover 110 has a plurality of openings 110a.

FIG. 2A is a schematic front view of the circuit board in FIG. 1A , and FIG. 2B is a schematic rear view of the circuit board in FIG. 1A . 2A and 2B, in more detail, the circuit board 120 has a first memory card transmission interface 122, a second memory card transmission interface 124 and a computer transmission interface 126, wherein the first memory card transmission interface 122 The size is larger than the size of the second memory card transmission interface 124 . The second memory card transmission interface 124 is suitable for electrical connection with the small memory card 210 , and the computer transmission interface 126 is suitable for electrical connection with a personal computer. In this embodiment, the first memory card transmission interface 122 is an SD memory card transmission interface, and the opening 110 a of the lower cover 110 exposes part of the first memory card transmission interface 122 (as shown in FIG. 1C ). In addition, the computer transmission interface 126 is a USB transmission interface, and the second memory card transmission interface 124 is a micro SD memory card connector.

In this embodiment, in order to improve the quality of data transmission, the adapter card further includes at least one electronic component 140, which is disposed on the circuit board 120, and the electronic component 140 is, for example, a capacitor element, an inductance element, a resistance element, A voltage regulator or other electronic component. In addition, the riser card may also include a control chip 150 disposed on the circuit board 120 to control data transmission. In addition, the riser card may also include a write protection switch 160 disposed on one side of the lower cover 110 . Moreover, the riser card also includes a protective cover 170 assembled with the lower cover 110 to accommodate the computer transmission interface 126 . In this embodiment, the geometric dimensions of the riser card including the protective cover 170 comply with SD memory card regulations, so the riser card including the protective cover 170 can be directly inserted into an electronic device compatible with the SD memory card.

It should be noted that although the present embodiment uses the micro SD memory card as the small memory card 210 for illustration, the small memory card 210 may also be a micro MMC memory card or other types of memory cards. In addition, when the small memory card 210 is an MMC micro memory card, the second memory card transmission interface 124 is an MMC micro memory card transmission interface. Furthermore, the computer transmission interface 126 in this embodiment is a USB transmission interface, but the computer transmission interface 126 can also be an IEEE 1394 transmission interface or other interfaces that can directly transmit data with a personal computer.

Since the adapter card of the present utility model has a computer transmission interface (such as a USB transmission interface or an IEEE 1394 transmission interface), the adapter card of the present utility model can directly communicate with a personal computer without using a card reader and a transmission line. The transmission of data to improve the user's convenience in use.

Although the present utility model has been disclosed above with preferred embodiments, it is not intended to limit the utility model. Any person skilled in the art may make some modifications and changes without departing from the spirit and scope of the utility model. Retouching, so the scope of protection of the present utility model should be defined by the claims.

Claims (9)

1. adapter is characterized in that it is suitable for a ccontaining small memory card, and can be connected with a PC that this adapter comprises:

One lower cover;

One loam cake is with this lower cover assembling; And

One circuit board, be disposed between this loam cake and this lower cover, and this circuit board has one first memory card transmission interface, one second memory card transmission interface and a computer transmission interface, wherein the size of this first memory card transmission interface is greater than the size of this second memory card transmission interface, and this second memory card transmission interface is suitable for electrically connecting with this small memory card, and this computer transmission interface is suitable for electrically connecting with this PC.

2. adapter according to claim 1 is characterized in that it more comprises at least one electronic component, is disposed on this circuit board.

3. adapter according to claim 2 is characterized in that wherein said electronic component comprises a capacity cell, an inductance element, a resistive element or a voltage regulator.

4. adapter according to claim 1 is characterized in that it more comprises at least one control wafer, is disposed on this circuit board.

5. adapter according to claim 1 is characterized in that wherein said computer transmission interface comprises a USB transmission interface or an IEEE 1394 transmission interfaces.

6. adapter according to claim 1 is characterized in that the wherein said first memory card transmission interface comprises a SD memory card transmission interface.

7. adapter according to claim 1 is characterized in that the wherein said second memory card transmission interface comprises a micro SD memory card transmission interface or a MMC micro memory card transmission interface.

8. adapter according to claim 1 is characterized in that it more comprises a write-protect switch, is disposed at a side of this lower cover.

9. adapter according to claim 1 is characterized in that it more comprises an over cap, with this lower cover assembling, with ccontaining this computer transmission interface.

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