TWM537753U - Card connector preventing MMC memory card detection and complying with contact timings of SD memory card and SD 4.0 memory card - Google Patents

Description

Prevent MMC memory card detection and conform to SD Memory card and SD4.0 memory card contact timing card connector

The present invention relates to a memory card connector, and more particularly to a memory card connector that can recognize an SD memory card, an SD4.0 memory card, and an MMC card.

Due to the rapid development of technology and the continuous innovation and progress, the light and short technology products have gradually become the mainstream of the development of portable electronic products, resulting in the memory card industry used by them to quickly pick up, and in the use of personal computers, its memory The use of cards has also replaced traditional floppy disks.

However, the type of the memory card includes a CF card, an XD card, an SD card, an SD4.0 card, an MMC card, and an MF card, and the readers with different memory card types must be matched with the identification IC through the corresponding connector type. It can be used to read various types of memory cards, which not only causes a variety of products around the various memory cards in the market, but also causes different prices, and also causes users to have confusion when selecting products.

At present, although there is an all-in-one or shared memory card connector, in order to be compatible with a variety of types of memory cards, multiple sets of conductive terminals must be provided inside, which is very complicated and bulky. In addition, different types of notes The size and thickness of the card are different, which may cause damage to the conductive terminals and misreading during insertion and removal.

In view of this, the creator has been engaged in research and development and production experience of related industries for many years, and has conducted in-depth research on the problems currently faced, and after long-term efforts, research and development and trials, finally developed a memory card connector, which has been greatly To improve the shortcomings of the use of technology, this is the design purpose of this creation.

The purpose of the present invention is to provide a memory card connector that can recognize the difference between the SD card and the MMC card without providing multiple sets of conductive terminals and identifying the IC circuit.

According to an embodiment of the present invention, a card connector for preventing MMC memory card detection and conforming to an SD memory card and an SD4.0 memory card contact timing is provided, comprising an insulative housing having a first slot body and a second portion formed therein The first groove body has a first distance, and the two sides of the second groove body respectively have a step portion and a second distance; a plurality of conductive terminals are disposed in the insulating shell; a grounding terminal, Provided in the insulative housing; and a detecting component disposed in the stepped portion of the second slot body in the insulative housing, and the detecting component is laterally disposed in the direction of the second slot body, the detecting component includes a detecting a measuring body, an abutting portion and a grounding portion, wherein the abutting portion and the grounding portion are respectively located on the detecting body, and the abutting portion corresponds to an external SD memory card and a side end of the SD4.0 memory card The grounding portion corresponds to the grounding terminal; among them, the current SD memory card and the SD4.0 memory card are equipped with two sides The upper end portion and the lower end portion have a width greater than a width of the lower end portion. When the SD memory card and the SD4.0 memory card are inserted into the first slot body and the second slot body, the detecting component is The abutting portion is pressed against the side wall of the lower end of the SD memory card and the SD4.0 memory card to bring the ground portion into contact with the ground terminal.

According to the foregoing embodiment of the card connector for preventing the MMC memory card detection and the SD memory card and the SD4.0 memory card contact timing, the abutting portion of the detecting member is U-shaped. The abutting portion protrudes on the detecting body. The grounding portion protrudes from the detecting body. The insulative housing can include an upper case member and a bottom case member, and the conductive terminal, the grounding terminal and the detecting member are all disposed on the bottom case member.

According to another embodiment of the present invention, a card connector for preventing MMC memory card detection and conforming to the SD memory card and SD4.0 memory card contact timing is provided, wherein the first slot of the first slot is larger than the second slot. The second distance of the body. Wherein, when the inserted memory card is pressed against the detecting component, an identification signal of an SD memory card or an SD4.0 memory card is output.

Therefore, the memory card connector proposed by the present invention replaces the conventional identification IC circuit with a detecting component. Since the SD memory card or the SD4.0 memory card has an upper end portion and a lower end portion, and the width of the upper end portion is larger than the width of the lower end portion, when the SD memory card or the SD4.0 memory card is inserted into the memory card connector, The side end of the lower end portion is pressed against the abutting portion of the detecting member on the step portion of the second groove body, thereby driving the grounding portion to contact the grounding terminal to form a passage, thereby causing the memory card connector to output an SD memory card or an SD4.0 memory card. Identify the signal, and when the MMC card is inserted into the memory card connector, it can only be accommodated in the first The inside of the slot can not resist the detecting component, so that the feature of the creation can prevent the MMC card from being detected and started.

1‧‧‧Insulated housing

11‧‧‧Upper casing

12‧‧‧Bottom case

13‧‧‧First trough

L1‧‧‧ first distance

14‧‧‧Second trough

141‧‧‧ steps

L2‧‧‧Second distance

2‧‧‧Electrical terminals

3‧‧‧ Grounding terminal

4‧‧‧Detection

41‧‧‧Detecting the ontology

42‧‧‧Apartment

43‧‧‧ Grounding Department

5‧‧‧SD memory card, SD4.0 memory card

51‧‧‧Upper end

W1‧‧‧Width

52‧‧‧Bottom

W2‧‧‧Width

The above and other objects, features, advantages and embodiments of the present invention will be more apparent and understood. The description of the drawings is as follows: Figure 1 shows the prevention of MMC memory card detection and compliance with SD memory card and SD4.0 A stereoscopic view of the card connector of the memory card contact timing.

FIG. 2 is an exploded perspective view showing the card connector for preventing the MMC memory card detection and the SD memory card and the SD4.0 memory card contact timing.

FIG. 3 is a schematic plan view showing the card connector for preventing the MMC memory card detection and the SD memory card and the SD4.0 memory card contact timing.

FIG. 4 is a schematic diagram showing the appearance of an SD memory card and an SD4.0 memory card.

FIG. 5 is a schematic diagram showing the insertion of an SD memory card or an SD4.0 memory card by a card connector for preventing MMC memory card detection and conforming to the SD memory card and SD4.0 memory card contact timing.

FIG. 6 is a schematic cross-sectional view showing the card connector not preventing the insertion of the SD memory card or the SD4.0 memory card by the MMC memory card detection and the SD memory card and the SD4.0 memory card contact timing.

FIG. 7 is a schematic cross-sectional view showing the insertion of an SD memory card or an SD4.0 memory card by a card connector that prevents MMC memory card detection and conforms to the SD memory card and SD4.0 memory card contact timing.

Please refer to FIG. 1 to FIG. 7 , the card connector for preventing the MMC memory card detection and the SD memory card and the SD4.0 memory card contact timing includes an insulative housing 1, a negative conductive terminal 2, a ground terminal 3 and a detection. Item 4.

The insulative housing 1 includes an upper housing member 11, a bottom housing member 12, a first slot body 13, and a second slot body 14, and the first slot body 13 has a first distance L1, and the second slot body 14 A step portion 141 is disposed on both sides and has a second distance L2. The first slot body 13 and the second slot body 14 are mainly provided with an SD memory card, an SD4.0 memory card or an MMC memory card.

The plurality of conductive terminals 2 are provided in the insulating case 1, and in more detail, the conductive terminals 2 are provided in the bottom case 12. The conductive terminal 2 is used for reading or writing an SD memory card, an SD4.0 memory card or an MMC card, which is a conventional technique and will not be described herein.

The ground terminal 3 is provided on the bottom case 12 of the insulative housing 1. The ground terminal 3 is made of a conductive material.

The detecting component 4 is disposed on the step portion 141 of the second slot body 14 in the insulative housing 1, and the detecting component 4 is laterally disposed in the direction of the second slot body 14. The detecting component 4 includes a detecting component. The body 41, an abutting portion 42 and a grounding portion 43, the abutting portion 42 and the grounding portion 43 are respectively located on the detecting body 41, and the abutting portion 42 corresponds to an external SD memory card and SD4. 0, the side end of the lower end portion 52 of the memory card 5, the grounding portion 43 corresponds to the grounding terminal 3, and the abutting portion 4 of the detecting member 4 2 is U-shaped. Further, the abutting portion 42 and the grounding portion 43 are protruded from the detecting body 41. Finally, the first distance L1 of the first groove body 13 is greater than the second groove body 14. The second distance L2.

Wherein, the SD memory card and the SD4.0 memory card 5 have an upper end portion 51 and a lower end portion 52 on both sides, and the width W1 of the upper end portion 51 is greater than the width W2 of the lower end portion 52 thereof, so that when the SD memory card and When the SD4.0 memory card 5 is inserted into the first slot body 13 and the second slot body 14, the abutting portion 42 of the detecting member 4 is received by the SD memory card and the side wall 52 of the lower end portion of the SD4.0 memory card 5. The grounding portion 43 contacts the ground terminal 3 while being pressed, and sends an identification signal.

The operation principle and manner of the aforementioned memory card connector will be further described below.

When the MMC memory card is inserted into the memory card connector, since the width of the MMC memory card is greater than the second distance L2 of the second slot body 14, it can only be inserted into the first slot body 13 and cannot be pressed after insertion. The abutting portion 42 of the detecting member 4 of the step portion 141 of the second tank body 14 is also unable to contact the grounding terminal 3 to form an open circuit to send an identification signal, and the electronic reading device of the memory card connector cannot be recognized. The MMC memory card enables it to prevent detection and activation.

As shown in FIG. 4, FIG. 5, FIG. 6, and FIG. 7, although the metal contacts of the SD memory card and the SD4.0 memory card 5 are different, the length, width, and height of the memory card body are the same, and Also having an upper end portion 51 and a lower end portion 52, when the SD memory card or the SD4.0 memory card 5 is inserted into the first trough body 13 and the second trough body 14, due to the memory The card can be placed in the first slot body 13 and the second slot body 14 so that the abutting portion 42 of the detecting member 4 on the step portion 141 is pressed by the side end of the lower end portion 52 of the memory card, and the grounding portion is made. 43 contacts the ground terminal 3 to form a path, and the electronic reading device with the memory card connector can recognize the SD memory card or the SD4.0 memory card.

Furthermore, the detecting member 4 of the present invention is not limited to one in some embodiments, and may be disposed on opposite sides of the bottom case member 12 of the insulative housing 1, and may be disposed at any suitable position thereof. And can be used to identify the SD memory card, SD4.0 memory card or MMC memory card.

In this way, the memory card connector of the present embodiment can identify the SD memory card, the SD4.0 memory card or the MMC card by using the detecting component of the simple mechanical structure, and conforms to the SD Association for the SD memory card and the SD4.0 memory card. The contact timing of the contact timing is as follows:

(1) When plugging in: 1.VSS/VDD: P3&P4; 2.DATA: P2&P5&P6&P7&P8&P9; 3.CD: CD1&P1.

(2) When unplugging: 1. CD: CD1 &P1; 2. DATA: P2 & P5 & P6 & P7 & P8 &P9; 3. VSS / VDD: P3 & P4.

To replace the conventional memory card connector, it is necessary to rely on the complicated identification IC circuit to perform the function of distinguishing the identification, reduce the cost of the electronic reading device, and achieve the effect of preventing the detection start. However, the memory card is connected The device does not limit the use of the detecting member of the foregoing embodiment, and any person skilled in the art using any structure and components that utilize the difference in the shape of the MMC memory card, the SD memory card, and the SD4.0 memory card should be regarded as The technical scope of the present embodiment has been disclosed.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Any one skilled in the art can make various changes and retouchings without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.

141‧‧‧ steps

2‧‧‧Electrical terminals

3‧‧‧ Grounding terminal

4‧‧‧Detection

41‧‧‧Detecting the ontology

42‧‧‧Apartment

43‧‧‧ Grounding Department

Claims (5)

A card connector for preventing detection of an MMC memory card and meeting the contact timing of an SD memory card and an SD4.0 memory card, comprising: an insulative housing having a first slot body and a second slot body formed therein, the first slot body Having a first distance, each of the two sides of the second groove body is correspondingly provided with a step portion and has a second distance; a plurality of conductive terminals are disposed in the insulating housing; a grounding terminal is disposed in the insulating housing; a detecting component is disposed in a stepped portion of the second slot body in the insulative housing, and the detecting component is disposed laterally in the direction of the second slot body, the detecting component includes a detecting body, an abutting portion, and a grounding portion, the abutting portion and the grounding portion are respectively located on the detecting body, and the abutting portion corresponds to an external SD memory card and a side end of the SD4.0 memory card, and the grounding portion is correspondingly grounded a terminal; wherein the SD memory card and the SD4.0 memory card have an upper end portion and a lower end portion on both sides, and the width of the upper end portion is greater than the width of the lower end portion, when the SD memory card and the SD4.0 memory card are inserted The detection of the first slot body and the second slot body The abutting portion of the member is pressed by the side wall of the lower end of the SD memory card and the SD4.0 memory card to make the ground portion contact the ground terminal. The card connector of claim 1, wherein the abutting portion of the detecting member is U-shaped. The card connector of claim 1, wherein the abutting portion protrudes from the detecting body. The card connector of claim 1, wherein the grounding portion protrudes from the detecting body. The card connector of claim 1, wherein the first distance of the first slot is greater than the second distance of the second slot.