CN1815400A - Computer interface cark - Google Patents
Computer interface cark Download PDFInfo
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- CN1815400A CN1815400A CN 200510009182 CN200510009182A CN1815400A CN 1815400 A CN1815400 A CN 1815400A CN 200510009182 CN200510009182 CN 200510009182 CN 200510009182 A CN200510009182 A CN 200510009182A CN 1815400 A CN1815400 A CN 1815400A
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- connector
- circuit board
- order
- electrically connect
- computer
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- 239000004020 conductor Substances 0.000 claims abstract description 151
- 229910052751 metal Inorganic materials 0.000 claims abstract description 123
- 239000002184 metal Substances 0.000 claims abstract description 123
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 44
- 239000004033 plastic Substances 0.000 claims description 43
- 210000002421 cell wall Anatomy 0.000 claims description 23
- 239000004568 cement Substances 0.000 claims description 12
- 210000004556 brain Anatomy 0.000 description 10
- 230000005855 radiation Effects 0.000 description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 239000011135 tin Substances 0.000 description 6
- 229910052718 tin Inorganic materials 0.000 description 6
- 241000446313 Lamella Species 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- -1 crown cap Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The computer interface card includes a circuit board, a first connector, a second connector, first conductors, a second conductor, a third conductor, an upper cover and a base. Being setup a side of the circuit board, the first connector is in use for connecting to a cable. Being setup the other side of the circuit board, the second connector is in use for connecting to the third conductor and first conductors electrically. Transmission interface between second and third conductors includes PCMCIA, Card Bus or Express Card bus interface. The first conductor is connected to ground terminal of the circuit board electrically, and the second conductor is connected to metal case of the first connector. The upper cover and the base are in clip connection so as to clip the circuit board. The upper cover and the base possess an upper metal cover and a lower metal base. The upper metal cover is connected to the first conductors and the lower metal base electrically.
Description
Technical field
The relevant a kind of computer interface cark of the present invention.
Background technology
In the epoch now that development in science and technology is maked rapid progress, computer has become a part indispensable in modern's the daily life.Because computer can only be play the digital audio-video signal, the simulated television video-audio signal that causes present TV station to export can't directly be play on computers.So some dealer just develops video-audio signal biography and connects treating apparatus, the simulated television video-audio signal is encoded to the digital audio-video signal that computer can be play.
The widely used video-audio signal of institute passes and connects treating apparatus for for example TV card (TV tuner card) or title Frame Grabber (TV capture card) on the market at present, can allow the user watch TV signal on computer screen by TV card.Yet general TV card all is a pci interface, mainly is to be applied on the desktop computer, and it does not have the function of hot plug (hot plug).On the other hand, at present comparatively novel a kind of TV card is CMCIA, Car Bus or Express Card bus interface, is mainly used on the notebook computer TV capture card that is disclosed for M242955 number as the TaiWan, China patent announcement.It receives a TV signal by the TV cable, and the TV signal that is received is converted to the video-audio signal that can supply notebook computer to play.
Yet,, when the TV cable arrives a certain length, will possess antenna effect because the TV cable is the noise conducting path of a sensitivity.Thus, the noise of notebook computer is easy to be taken out of by the TV cable via TV card, and is accumulated on the TV cable.Therefore, (electromagnetic interference, EMI) problem can't meet the standard of rules to produce electromagnetic interference (EMI).Use the electronic product of PCMCIA, CardBus or Express Card bus interface as for other,, also can face cable and take noise out of computer and be accumulated on the cable, cause cable can produce the EMI problem equally as connecting the computer interface cark of cable.
Summary of the invention
The purpose of this invention is to provide a kind of noise that can avoid computer is taken out of computer by cable and is accumulated on the cable and prevents that cable from producing electromagnetic interference (EMI) (electromagnetic interference, computer interface cark EMI).A kind of computer interface cark is proposed according to an aspect of the present invention, comprise a circuit board, one first connector, one second connector, several first upper conductors, one second upper conductor, one the 3rd upper conductor, a loam cake and a base, circuit board has a upper surface and a lower surface.First connector is a side that is arranged at circuit board, in order to connect a cable.Second connector is the opposite side that is arranged at circuit board, electrically connects in order to one the 3rd connector and first connector with a computer.Wherein, the transmission interface of second connector and the 3rd connector comprises PCMCIA, Card Bus or Express Card bus interface.These a little first upper conductors are to be arranged at accordingly on the upper surface, electrically connect in order to the earth terminal with circuit board.Second upper conductor is to be arranged on the metal shell of first connector, electrically connects in order to the metal shell with first connector.The mutual snapping of loam cake and base and insert and put circuit board, and expose first connector and second connector.Loam cake has on one plastic cover on the crown cap and, and base has a following metal pedestal and the following plastic cement seat corresponding to last plastic cover corresponding to last crown cap, last crown cap in order to a little first upper conductors therewith and down metal pedestal electrically connect.The 3rd upper conductor is to be arranged on the inside surface of plastic cover, in order to electrically connect with the last crown cap and second upper conductor.
A kind of computer interface cark is proposed according to a further aspect of the invention, comprise a circuit board, one first connector, one second connector, several first upper conductors, one second upper conductor, a metal top cover and a metab, circuit board has a upper surface and a lower surface.First connector is a side that is arranged at circuit board, in order to connect a cable.Second connector is the opposite side that is arranged at circuit board, electrically connects in order to one the 3rd connector and first connector with a computer.Wherein, the transmission interface of second connector and the 3rd connector comprises PCMCIA, Card Bus or Express Card bus interface.These a little first upper conductors are to be arranged at accordingly on the upper surface, electrically connect in order to the earth terminal with circuit board.Second upper conductor is to be arranged on the metal shell of first connector, electrically connects in order to the metal shell with first connector.The mutual snapping of metal top cover and metab and insert and put circuit board, and expose first connector and second connector, metal top cover is in order to electrically connect with metab, these a little first upper conductors and second upper conductor.
Propose a kind of computer interface cark according to another aspect of the invention, comprise a circuit board, one first connector, several first upper conductors, a loam cake and a base.Circuit board has a upper surface and a lower surface, and first connector is a side that is arranged at circuit board, electrically connects in order to one second connector with a computer.Wherein, the transmission interface of first connector and second connector comprises PCMCIA, Card Bus or Express Card bus interface.First upper conductor is to be arranged at accordingly on the upper surface, electrically connects in order to the earth terminal with circuit board.The mutual snapping of loam cake and base and insert and put circuit board, and expose first connector.Loam cake has on one plastic cover on the crown cap and, and base has a following metal pedestal and the following plastic cement seat corresponding to last plastic cover corresponding to last crown cap, last crown cap in order to first upper conductor and down metal pedestal electrically connect.
Propose a kind of computer interface cark according to a further aspect of the present invention, comprise a circuit board, one first connector, one first upper conductor, one second upper conductor, a loam cake and a base.Circuit board has a upper surface and a lower surface, and first connector is a side that is arranged at circuit board, in order to connect a cable.First upper conductor is to be arranged on the metal shell of first connector, electrically connects in order to the metal shell with first connector.The mutual snapping of loam cake and base and insert and put circuit board, and expose first connector.Loam cake has on one plastic cover on the crown cap and, and base has a following metal pedestal and the following plastic cement seat corresponding to last plastic cover corresponding to last crown cap, and last crown cap is in order to electrically connect with following metal pedestal.Second upper conductor is to be arranged on the inside surface of plastic cover, in order to electrically connect with the last crown cap and second upper conductor.
Computer interface cark of the present invention, the design that the earth terminal of its circuit board, upper conductor, crown cap, metal pedestal, lower conductor and metal cell wall electrically connect mutually, can shorten the return flow path of the noise of computer, radiate from cable with the energy that reduces the EMI radiation, allow noise on computer interface cark, just lead back notebook computer.In addition, the design that connector wherein, upper conductor, last crown cap, following metal pedestal, lower conductor and metal cell wall electrically connect is mutually just led the telegram in reply brain before can soon radiateing from cable at the energy of EMI radiation.Thus, the noise that not only can avoid computer is taken out of computer and accumulation on computers by cable, and can prevent that cable from producing the EMI problem, to meet the standard of rules.
For the present invention's above-mentioned purpose, characteristics and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. is elaborated.
Description of drawings
Fig. 1 is according to the computer interface cark of embodiments of the invention one and the sectional view that separates of computer.
Fig. 2 is according to the computer interface cark of embodiments of the invention one and the combination section of computer.
Fig. 3 is the vertical view of circuit board of the computer interface cark of Fig. 1.
Fig. 4 is the upward view of loam cake of the computer interface cark of Fig. 1.
Fig. 5 is the upward view of circuit board of the computer interface cark of Fig. 1.
Fig. 6 is the vertical view of base of the computer interface cark of Fig. 1.
Fig. 7 is the upward view of base of the computer interface cark of Fig. 1.
Fig. 8 is the vertical view according to the circuit board of the computer interface cark of embodiments of the invention two.
Fig. 9 is the vertical view according to the circuit board of the computer interface cark of embodiments of the invention three.
Figure 10 is the sectional view according to the computer interface cark of embodiments of the invention four.
Embodiment
Embodiment one
Please be simultaneously with reference to Fig. 1-7, Fig. 1 is according to the computer interface cark of embodiments of the invention one and the sectional view that separates of computer, Fig. 2 is according to the computer interface cark of embodiments of the invention one and the combination section of computer.In addition, Fig. 3 is the vertical view of circuit board of the computer interface cark of Fig. 1, and Fig. 4 is the upward view of loam cake of the computer interface cark of Fig. 1, and Fig. 5 is the upward view of circuit board of the computer interface cark of Fig. 1.In addition, Fig. 6 is the vertical view of base of the computer interface cark of Fig. 1, and Fig. 7 is the upward view of base of the computer interface cark of Fig. 1.In Fig. 1～2, the computer interface cark 10 that present embodiment disclosed connects a cable 19 and a computer 20 at least, and receives an analog or digital video-audio signal by cable 19.After separating encoding process through computer interface cark 10 itself tuning and audio-visual, computer interface cark 10 will export one according to this can power digital audio-video signal that brain 20 plays to computer 20, make computer 20 can play the digital audio-video signal that is received, as MEPG or MEPG 2 video-audio signals.Structure and the electrical connection between the two as for computer interface cark 10 and computer 20 will be described as follows, and when introducing the structure of computer interface cark 10, will introduce the part-structure that computer 20 and computer interface cark 10 electrically connect jointly.In the present embodiment, computer interface cark 10 and computer 20 will be respectively is that example explains with the structure of TV card and notebook computer, but the technology of present embodiment can't be confined to this.
Shown in Fig. 1～2, computer interface cark 10 comprises a circuit board 11, one first connector 12, one second connector 13, several first upper conductors 14, one second upper conductor 15, one the 3rd upper conductor 16, a loam cake 17 and a base 18 at least, and circuit board 11 has a upper surface 11a and a lower surface 11b.First connector 12 is arranged at a side of circuit board 11, in order to connect a cable 19, as the TV cable, makes the connector of winning receive a TV signal by cable 19.In the present embodiment, cable 19 is to electrically connect with the pluggable mode and first connector 12, makes the connector 12 of winning can pass through cable 19 received television signals.First connector 12 can be arranged on upper surface 11a or the lower surface 11b, and in the present embodiment, first connector 12 is to be arranged at upper surface 11a, and is adjacent to a side of circuit board 11.
In addition, computer 20 has a slot 22 and a plastic casing 24, and slot 22 and the 3rd connector 21 are all to be arranged in the plastic casing 24, and the upper surface of plastic casing 24 can be provided with keyboard (keyboard) and touch pad (touchpad).Slot 22 has a bottom land 22a and a metal cell wall 22b, and metal cell wall 22b can electrically connect with the betal can of computer 20 or be formed in one.Bottom land 22a is provided with the 3rd connector 21, and slot 22 forms a notch 22c in the side of plastic casing 24.Therefore, the structure of the computer interface cark 10 of part can make second connector 13 electrically connect with hot swappable mode and the 3rd connector 21 inside and outside the slot 22 of Fig. 1～2 ± x direction turnover computer 20.
As shown in Figure 3, these a little first upper conductors 14 are to be arranged at accordingly on the upper surface 11a, electrically connect in order to the earth terminal (GND) with circuit board 11, and the number of these a little first upper conductors 14 for example has five.Second upper conductor 15 is to be arranged on the metal shell of first connector 12, electrically connects in order to the metal shell with first connector 12, and second upper conductor 15 for example is a conductive sponge.In Fig. 3, computer interface cark 10 also comprises metal gasket 14a on several, and this number of going up metal gasket 14a a bit for example is five.This goes up metal gasket 14a a bit and is arranged on the upper surface 11a, uses for the earth terminal of these a little first upper conductors 14 with circuit board 11 to electrically connect, and this goes up metal gasket 14a a bit and is provided with this a little first upper conductors 14 accordingly.As for the generation type of last metal gasket 14a, for example be to reveal the tin step, to finish the last metal gasket 14a that several are the tin pad at the upper surface 11a of circuit board 11.
And for example shown in Fig. 1～2, loam cake 17 and base 18 are to insert and put circuit board 11 in the mode of snapping mutually, and expose first connector 12 and second connector 13, win connector 12 and second connector 13 can be electrically connected with cable 19 and the 3rd connector 21 respectively.Loam cake 17 has on one plastic cover 17b on the crown cap 17a and, base 18 has a following metal pedestal 18a and the following plastic cement seat 18b corresponding to last plastic cover 17b corresponding to last crown cap 17a, and metal pedestal 18a electrically connects last crown cap 17a in order to reach down with first upper conductor 14.Last crown cap 17a and the junction of going up plastic cover 17b are corresponding to metal pedestal 18a and the junction of plastic cement seat 18b down down, and one of these a little first upper conductors 14 are corresponding to last crown cap 17a and go up the junction of plastic cover 17b and metal pedestal 18a and the junction of plastic cement seat 18b down down.In the present embodiment, corresponding to last crown cap 17a and go up the junction of plastic cover 17b and down metal pedestal 18a and down first upper conductor 14 of the junction of plastic cement seat 18b for example be a conductive sponge, all the other for example are four metal clips with four first symmetrical up and down upper conductors 14 that last crown cap 17a electrically connects.
As shown in Figure 4, the 3rd upper conductor 16 is to be arranged on the inside surface of plastic cover 17b, and extends to the inside surface of crown cap 17a, in order to electrically connect with the last crown cap 17a and second upper conductor 15.In addition, the 3rd upper conductor 16 for example is a smooth conductive fabric on the inside surface of loam cake 17 partly, one end of the 3rd upper conductor 16 is to electrically connect with second upper conductor 15, and the other end of the 3rd upper conductor 16 is to reach upward first upper conductor, 14 electric connections of the junction of plastic cover 17b with last crown cap 17a and corresponding to last crown cap 17a.In Fig. 4, for fear of the last crown cap 17a and first upper conductor 14 electronic component or the electrical false touch of circuit in addition, computer interface cark 10 also comprises heat insulating lamella on (mylar) 25.Last heat insulating lamella 25 is to be arranged on the inside surface of last crown cap 17a partly, and has several upper sheds 25a.The number of these a little upper shed 25a for example is four, and these a little upper shed 25a use for four first upper conductor 14 and last crown cap 17a electric connections of symmetry up and down.Last heat insulating lamella 25 also may extend on the 3rd upper conductor 16, and also have two openings, wherein an opening use for a pair of Ying Yu go up crown cap 17a and go up plastic cover 17b the junction first upper conductor 14 by and and the 3rd upper conductor 16 and go up crown cap 17a and electrically connect, wherein another opening use for second upper conductor 15 by and electrically connect with the 3rd upper conductor 16.
Shown in Fig. 1,2 and 5, computer interface cark 10 also comprises several first lower conductors 26, and the number of these a little first lower conductors 26 for example is two.Two laterally zygomorphic first lower conductors 26 are to be arranged at accordingly on the lower surface 11b, and reaching down in order to the earth terminal with circuit board 11, metal pedestal 18a electrically connects.In addition, computer interface cark 10 also comprises several metal gasket 26a down, and this number of going up metal gasket 26a a bit for example is two.These a little metal gasket 26a down are arranged on the lower surface 11b, use for the earth terminal of these a little first lower conductors 26 with circuit board 11 to electrically connect, and this descends to be provided with accordingly on the metal gasket 26a this a little first lower conductors 26 a bit.As for the generation type of following metal gasket 26a, for example be to reveal the tin step, to finish the following metal gasket 26a that several are the tin pad at the lower surface 11b of circuit board 11.
Shown in Fig. 1,2 and 6, for fear of the metal pedestal 18a and first lower conductor 26 electronic component or the electrical false touch of circuit in addition down, computer interface cark 10 also comprises heat insulating lamella 27.Last heat insulating lamella 27 is to be arranged on the inside surface of following metal pedestal 18a partly, and has several under sheds 25a.The number of these a little upper shed 25a for example is two, and these a little upper shed 25a use for two laterally zygomorphic first lower conductors 26 and electrically connect with following metal pedestal 18a.
Shown in Fig. 1,2 and 7, in order to allow the metal cell wall 22b of crown cap 17a and following metal pedestal 18a and slot 22 electrically connect, computer interface cark 10 comprises that also one second lower conductor, 28, the second lower conductors 28 are to be arranged at down on the outside surface of metal pedestal 18a, in order to electrically connect with following metal pedestal 18a.When second connector 13 and 21 electric connections of the 3rd connector, second lower conductor 28 is to electrically connect with metal cell wall 22b.In addition, last crown cap 17a and go up the junction of plastic cover 17b, metal pedestal 18a and the junction of plastic cement seat 18b and one first upper conductor 14 are notch 22c corresponding to slot 22 down down, make to go up crown cap 17a and down metal pedestal 18a be arranged in slot 22, and go up plastic cover 17b and down plastic cement seat 18b expose outside the opening 22c of slot 22.
Yet have in the technical field under the present embodiment and know that usually the knowledgeable can also understand that the technology of present embodiment is not confined to this, for example, last crown cap 17a, following metal pedestal 18a and metal cell wall 22b comprise cobalt, nickel, iron, gold, silver, copper, aluminium or tin, metal gasket 26a comprised tin, gold, silver, copper, aluminium, cobalt or nickel under last metal gasket 14a reached, and first upper conductor 14, second upper conductor 15, the 3rd upper conductor 16, first lower conductor 26 and second lower conductor 28 comprise metal, conductive elastomer, electroconductive elastic sheet, power spring, conductive fabric or conductive sponge.
The design that the earth terminal of the circuit board 11 of present embodiment, first upper conductor 14, first lower conductor 26, last crown cap 17a, following metal pedestal 18a, second lower conductor 28 and metal cell wall 22b electrically connect mutually, can shorten the return flow path of the noise of computer 20, to reduce electromagnetic interference (EMI) (electromagnetic interference, EMI) energy of radiation radiate from cable 19, allows noise just lead telegram in reply brain 20 on computer interface cark 10.
The design that first connector 11 of present embodiment, second upper conductor 15, the 3rd upper conductor 16, last crown cap 17a, following metal pedestal 18a, second lower conductor 28 and metal cell wall 22b electrically connect mutually can soon just be led telegram in reply brain 20 at the energy of EMI radiation before cable 19 radiate.Thus, not only can avoid the noise of computer to be taken out of computer 20 by cable 19 and be accumulated on the cable 19, and can prevent that cable 19 from producing the EMI problems, to meet the standard of rules.
Embodiment two
Please refer to Fig. 8, it is the vertical view according to the circuit board of the computer interface cark of embodiments of the invention two.In Fig. 8, the computer interface cark 80 of present embodiment is with computer interface cark 10 differences of embodiment one, present embodiment is that one the 4th connector 82 and one the 4th upper conductor 85 also are set on the upper surface 11a of circuit board 11, all the other identical constitutive requirements continue to continue to use label, and repeat no more.
As shown in Figure 8, the 4th connector 82 is to be adjacent to first connector 12, and electrically connects by the internal layer circuit and second connector 13 of circuit board 11.The 4th upper conductor 85 is to be arranged on the metal shell of the 4th connector 82, as a conductive sponge.When inserting and putting the circuit board 11 of Fig. 8 when the loam cake 17 of Fig. 4～5 and base 18 snappings, the 4th connector 82 can be exposed to outside loam cake 17 and the base 18, and the 4th upper conductor 85 electrically connects in order to the 3rd upper conductor 16 with Fig. 4.
Yet have in the technical field under the present embodiment and know that usually the knowledgeable can also understand that the technology of present embodiment is not confined to this, for example, the transmission interface of the 4th connector 82 comprises universal serial bus (universal serial bus, USB) interface or IEEE1394 bus interface, can an external USB or the extending connector of an IEEE 1394 as the 4th connector 82, this extending connector can electrically connect with the electronic installation that carry-on dish, recording pen and MP3 player etc. have a USB or an IEEE 1394.Or, the 4th connector 82 is to electrically connect with S signal of video signal line, V signal of video signal line or left and right sound track signals line, can external one contain the extending connector of S signal of video signal line, V signal of video signal line and left and right sound track signals line as the 4th connector 82, this extending connector can electrically connect with video and audio output device such as holder for TV playing, digital camera, digital camera shadow machine, Video Recorder, VCD player and DVD player.In addition, the 4th upper conductor 85 comprises metal, conductive elastomer, electroconductive elastic sheet, power spring, conductive fabric or conductive sponge.
The design that first connector 11 of present embodiment, the 4th connector 84, second upper conductor 15, the 3rd upper conductor 16, the 4th upper conductor 85, last crown cap 17a, following metal pedestal 18a, second lower conductor 28 and metal cell wall 22b electrically connect mutually can soon just be led the telegram in reply brain at the energy of EMI radiation before cable 19 radiate.Thus, not only can avoid the noise of computer to be taken out of computer by cable 19 and be accumulated on the cable 19, and can prevent that cable 19 from producing the EMI problems, to meet the standard of rules.
Embodiment three
Please refer to Fig. 9, it is the vertical view according to the circuit board of the computer interface cark of embodiments of the invention three.In Fig. 9, the computer interface cark 90 of present embodiment is with computer interface cark 80 differences of embodiment two, present embodiment is that one the 5th connector 92 and one the 5th upper conductor 95 also are set on the upper surface 11a of circuit board 11, all the other identical constitutive requirements continue to continue to use label, and repeat no more.
As shown in Figure 9, the 5th connector 92 is to be adjacent to the 4th connector 82, and electrically connects by the internal layer circuit and second connector 13 of circuit board 11.The 5th upper conductor 95 is to be arranged on the metal shell of the 5th connector 82, as a conductive sponge.When inserting and putting the circuit board 11 of Fig. 9 when the loam cake 17 of Fig. 4～5 and base 18 snappings, the 5th connector 92 can be exposed to outside loam cake 17 and the base 18, and the 5th upper conductor 95 electrically connects in order to the 3rd upper conductor 16 with Fig. 4.
Yet have in the technical field under the present embodiment and know that usually the knowledgeable can also understand that the technology of present embodiment is not confined to this, for example, the transmission interface of the 4th connector 82 comprises universal serial bus (universal serial bus, USB) interface or IEEE1394 bus interface can external USB or the extending connector of an IEEE 1394 as the 4th connector 82.In addition, the 5th connector 92 is to electrically connect with S signal of video signal line, V signal of video signal line or left and right sound track signals line, can external one contains the extending connector of S signal of video signal line, V signal of video signal line and left and right sound track signals line as the 5th connector 92.In addition, the 5th upper conductor 95 comprises metal, conductive elastomer, electroconductive elastic sheet, power spring, conductive fabric or conductive sponge.
The design that first connector 11 of present embodiment, the 4th connector 84, the 5th connector 85, second upper conductor 15, the 3rd upper conductor 16, the 4th upper conductor 85, the 5th upper conductor 95, last crown cap 17a, following metal pedestal 18a, second lower conductor 28 and metal cell wall 22b electrically connect mutually can soon just be led the telegram in reply brain at the energy of EMI radiation before cable 19 radiate.Thus, the noise that not only can avoid computer is taken out of computer and accumulation on computers by cable, and can prevent that computer from producing the EMI problem, to meet the standard of rules.
Embodiment four
Please refer to Figure 10, it is the vertical view according to the circuit board of the computer interface cark of embodiments of the invention four.The computer interface cark 100 of present embodiment is metal top cover 107 and metab 108 with computer interface cark 10 differences of embodiment one, and omits the 3rd upper conductor 16.Then continue to continue to use label as for all the other identical constitutive requirements, and repeat no more.
In Figure 10, metal top cover 107 and metab 108 are mutual snappings and insert and put circuit board 10, and exposing first connector 12 and second connector 13, metal top cover 107 is in order to electrically connect with metab 108, these a little first upper conductors 14 and second upper conductor 15.In addition, metal top cover 107, metab 108 comprise cobalt, nickel, iron, gold, silver, copper, aluminium or tin.
Usually know that the knowledgeable can also understand that the technology of present embodiment is not confined to this yet have in the technical field under the present embodiment, one the 4th connector 82 and one the 4th upper conductor 85 also can only be set on the circuit board 10, and for example shown in Figure 8.Therefore, the 4th connector 82 can be exposed to outside metal top cover 107 and the metab 108, and the 4th upper conductor 85 is to electrically connect with metal top cover 107.The transmission interface of the 4th connector 82 comprises universal serial bus, and (universal serial bus, USB) interface or IEEE1394 bus interface can external USB or the extending connector of an IEEE 1394 as the 4th connector 82.Or the 4th connector 82 can electrically connect with S signal of video signal line, V signal of video signal line or left and right sound track signals line, can external one contains the extending connector of S signal of video signal line, V signal of video signal line and left and right sound track signals line as the 4th connector 82.
In addition, the 4th connector 82, the 5th connector 92, the 4th upper conductor 85 and the 5th upper conductor 95 can be set simultaneously also on the circuit board 10, and for example shown in Figure 9.Therefore, the 4th connector 82 and the 5th connector 92 can expose its part-structure outside metal top cover 107 and metab 108, and the 4th upper conductor 85 and the 5th upper conductor 95 are to electrically connect with metal top cover 107.The transmission interface of the 4th connector 82 comprises universal serial bus, and (universal serial bus, USB) interface or IEEE 1394 bus interface can external USB or the extending connector of an IEEE 1394 as the 4th connector 82.In addition, the 5th connector 92 can electrically connect with S signal of video signal line, V signal of video signal line or left and right sound track signals line, can external one contains the extending connector of S signal of video signal line, V signal of video signal line and left and right sound track signals line as the 5th connector 92.
The design that the earth terminal of the circuit board 11 of present embodiment, first upper conductor 14, first lower conductor 26, metal top cover 107, metab 108, second lower conductor 28 and metal cell wall 22b electrically connect mutually, can shorten the return flow path of the noise of computer 20, radiate from cable 19 with the energy that reduces the EMI radiation, allow noise on computer interface cark 10, just lead the telegram in reply brain.
The design that first connector 11, second upper conductor 15, the 3rd upper conductor 16, metal top cover 107, metab 108, second lower conductor 28 and the metal cell wall 22b of present embodiment electrically connects mutually can soon just be led the telegram in reply brain at the energy of EMI radiation before cable 19 radiate.Thus, not only can avoid the noise of computer to be taken out of computer by cable and be accumulated on the cable 19, and can prevent that cable 19 from producing the EMI problems, to meet the standard of rules.
The computer interface cark that the above embodiment of the present invention disclosed, the design that the earth terminal of its circuit board, upper conductor, crown cap, metal pedestal, lower conductor and metal cell wall electrically connect mutually, can shorten the return flow path of the noise of computer, radiate from cable with the energy that reduces the EMI radiation, allow noise on computer interface cark, just lead the telegram in reply brain.In addition, the design that the connector of present embodiment, upper conductor, last crown cap, following metal pedestal, lower conductor and metal cell wall electrically connect is mutually just led the telegram in reply brain before can soon radiateing from cable at the energy of EMI radiation.Thus, not only can avoid the noise of computer to be taken out of computer by cable and be accumulated on the cable, and can prevent that cable from producing the EMI problem, to meet the standard of rules.
Though the foregoing description is to be that example explains with TV card and notebook computer, the technology of present embodiment is not confined to this.Use the electronic product of PCMCIA, Card Bus or Express Card bus interface as for other, computer interface cark as other kenels, also can utilize the embodiment and the technological means of the EMI problem of above-mentioned solution cable, on connector, circuit board, metal top cover and metab, carry out the design of noise return flow path, take noise out of computer and be accumulated on the cable to avoid cable, and prevent that cable from producing the EMI problem, to meet the standard of rules.
In sum; though the present invention discloses as above with a preferred embodiment; yet it is not in order to limit the present invention; any person skilled in the art person without departing from the spirit and scope of the present invention; when the variation that can do various equivalences or replacement, so protection scope of the present invention is when looking accompanying being as the criterion that the application's claim scope defined.
Claims (10)
1. computer interface cark comprises:
One circuit board has a upper surface and a lower surface;
One first connector is a side that is arranged at this circuit board, in order to connect a cable;
One second connector, be arranged at the opposite side of this circuit board, electrically connect in order to one the 3rd connector and this first connector with a computer, wherein, the transmission interface of this second connector and the 3rd connector comprises PCMCIA, Card Bus or Express Card bus interface;
A plurality of first upper conductors are arranged on this upper surface accordingly, electrically connect in order to the earth terminal with this circuit board;
One second upper conductor is arranged on the metal shell of this first connector, electrically connects in order to the metal shell with this first connector;
One loam cake and a base, mutual snapping and insert and put this circuit board, and expose this first connector and this second connector, this loam cake has on one plastic cover on the crown cap and, this base has a following metal pedestal and the following plastic cement seat corresponding to plastic cover on this corresponding to crown cap on this, and crown cap is in order to electrically connect with those first upper conductors and this time metal pedestal on this; And
One the 3rd upper conductor is arranged on the inside surface of plastic cover on this, in order to this on crown cap and this second upper conductor electrically connect.
2. computer interface cark as claimed in claim 1 is characterized in that this computer has a slot, and this slot has a bottom land and a metal cell wall, and this bottom land is provided with the 3rd connector, and this computer interface cark also comprises:
One second lower conductor is arranged on the outside surface of this time metal pedestal, and in order to electrically connect with this time metal pedestal, when this second connector and the electric connection of the 3rd connector, this second lower conductor and this metal cell wall electrically connect.
3. computer interface cark comprises:
One circuit board has a upper surface and a lower surface;
One first connector is arranged at a side of this circuit board, in order to connect a cable;
One second connector, be arranged at the opposite side of this circuit board, electrically connect in order to one the 3rd connector and this first connector with a computer, wherein, the transmission interface of this second connector and the 3rd connector comprises PCMCIA, Card Bus or Express Card bus interface;
A plurality of first upper conductors are arranged on this upper surface accordingly, electrically connect in order to the earth terminal with this circuit board;
One second upper conductor is arranged on the metal shell of this first connector, electrically connects in order to the metal shell with this first connector; And
One metal top cover and a metab, mutual snapping and insert and put this circuit board, and expose this first connector and this second connector, this metal top cover is in order to electrically connect with this metab, those first upper conductors and this second upper conductor.
4. computer interface cark as claimed in claim 3 is characterized in that this computer has a slot, and this slot has a bottom land and a metal cell wall, and this bottom land is provided with the 3rd connector, and this computer interface cark also comprises:
A plurality of first lower conductors are arranged on this lower surface accordingly, electrically connect in order to earth terminal pad and this metab with this circuit board; And
One second lower conductor is arranged on the outside surface of this time metal pedestal, and in order to electrically connect with this metab, when this second connector and the electric connection of the 3rd connector, this second lower conductor and this metal cell wall electrically connect.
5. computer interface cark comprises:
Circuit board has a upper surface and a lower surface;
One first connector is arranged at a side of this circuit board, electrically connects in order to one second connector with a computer, and wherein, the transmission interface of this first connector and this second connector comprises PCMCIA, Card Bus or Express Card bus interface;
A plurality of first upper conductors are arranged on this upper surface accordingly, electrically connect in order to the earth terminal with this circuit board; And
One loam cake and a base, mutual snapping and insert and put this circuit board, and expose this first connector, this loam cake has on one plastic cover on the crown cap and, this base has a following metal pedestal and the following plastic cement seat corresponding to plastic cover on this corresponding to crown cap on this, and crown cap is in order to electrically connect with those first upper conductors and this time metal pedestal on this.
6. computer interface cark as claimed in claim 5 is characterized in that this computer has a slot, and this slot has a bottom land and a metal cell wall, and this bottom land is provided with this second connector, and this computer interface cark also comprises:
A plurality of first lower conductors are arranged on this lower surface accordingly, electrically connect in order to earth terminal and this time metal pedestal with this circuit board; And
One second lower conductor is arranged on the outside surface of this time metal pedestal, and in order to electrically connect with this time metal pedestal, when this first connector and the electric connection of this second connector, this second lower conductor and this metal cell wall electrically connect.
7. computer interface cark as claimed in claim 5 is characterized in that also comprising:
One the 3rd connector is arranged at the opposite side of this circuit board, and electrically connects with this first connector, and the 3rd connector is in order to connect a cable;
One second upper conductor is arranged on the metal shell of the 3rd connector, electrically connects in order to the metal shell with the 3rd connector; And
One the 3rd upper conductor is arranged on the inside surface of plastic cover on this, in order to this on crown cap and this second upper conductor electrically connect.
8. computer interface cark comprises:
One circuit board has a upper surface and a lower surface;
One first connector is arranged at a side of this circuit board, in order to connect a cable;
One first upper conductor is arranged on the metal shell of this first connector, electrically connects in order to the metal shell with this first connector;
One loam cake and a base, mutual snapping and insert and put this circuit board, and expose this first connector, this loam cake has on one plastic cover on the crown cap and, this base has a following metal pedestal and the following plastic cement seat corresponding to plastic cover on this corresponding to crown cap on this, and crown cap is in order to electrically connect with this time metal pedestal on this; And
One second upper conductor is arranged on the inside surface of plastic cover on this, in order to this on crown cap and this second upper conductor electrically connect.
9. computer interface cark as claimed in claim 8 is characterized in that this computer has a slot, and this slot has a bottom land and a metal cell wall, and this bottom land is provided with the 3rd connector, and this computer interface cark also comprises:
One second connector, be arranged at the opposite side of this circuit board, electrically connect in order to one the 3rd connector and this first connector with a notebook computer, wherein, the transmission interface of this second connector and the 3rd connector comprises PCMCIA, Card Bus or Express Card bus interface;
A plurality of first lower conductors are arranged on this lower surface accordingly, electrically connect in order to earth terminal and this time metal pedestal with this circuit board; And
One second lower conductor is arranged on the outside surface of this time metal pedestal, and in order to electrically connect with this time metal pedestal, when this second connector and the electric connection of the 3rd connector, this second lower conductor and this metal cell wall electrically connect.
10. computer interface cark as claimed in claim 8 also comprises:
A plurality of the 3rd upper conductors are arranged on this upper surface accordingly, reach in order to the earth terminal with this circuit board and should go up the crown cap electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510009182XA CN100361042C (en) | 2005-02-05 | 2005-02-05 | Computer interface cark |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510009182XA CN100361042C (en) | 2005-02-05 | 2005-02-05 | Computer interface cark |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1815400A true CN1815400A (en) | 2006-08-09 |
| CN100361042C CN100361042C (en) | 2008-01-09 |
Family
ID=36907631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200510009182XA Expired - Fee Related CN100361042C (en) | 2005-02-05 | 2005-02-05 | Computer interface cark |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100361042C (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6139357A (en) * | 1998-07-08 | 2000-10-31 | 3 View Technology Co., Ltd. | Cable connector for connecting a signal line to a printed circuit board and card |
| US6700455B2 (en) * | 2001-08-23 | 2004-03-02 | Intel Corporation | Electromagnetic emission reduction technique for shielded connectors |
| CN2525580Y (en) * | 2002-01-18 | 2002-12-11 | 黄朝琮 | USB connector structure |
-
2005
- 2005-02-05 CN CNB200510009182XA patent/CN100361042C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN100361042C (en) | 2008-01-09 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20080109 Termination date: 20100205 |