CN205158342U - HDMI interface multiplex circuit - Google Patents
HDMI interface multiplex circuit Download PDFInfo
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- CN205158342U CN205158342U CN201520810851.2U CN201520810851U CN205158342U CN 205158342 U CN205158342 U CN 205158342U CN 201520810851 U CN201520810851 U CN 201520810851U CN 205158342 U CN205158342 U CN 205158342U
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Abstract
The utility model provides a HDMI interface multiplex circuit, including HDMI interface circuit, a converting circuit, the 2nd converting circuit, the 3rd converting circuit and switch switching circuit, the 3rd converting circuit is used for realizing the conversion of input USB interface and SATA interface and obtains third conversion result, the 2nd converting circuit is used for realizing the conversion of input PCIE interface and HDMI interface and obtains second conversion result, a converting circuit be used for with third conversion result with first conversion result is changed and obtains to second conversion result, first conversion result is connected HDMI interface circuit and basis the control of switch switching circuit realizes the switching between four different interfaces. The utility model discloses a can realize with HDMI interface, PCIE interface, SATA interface and USB interface integration at a HDMI interface to through the switching output of control realization based on four kinds of interfaces, and can save some physical interface, reduce the design degree of difficulty and manufacturing cost, improve product appearance.
Description
Technical field
The utility model relates to circuit engineering field, particularly relates to the multiplexed realizing circuit of a kind of HDMI.
Background technology
At present, in computer equipment, different functional interfaces adopts unique corresponding physical interface to realize, and physical interface as corresponding in multimedia interface is HDMI.In order to meet consumers' demand, active computer equipment adds multiple physical interface as far as possible by adding the methods such as large volume.This not only adds mechanism design difficulty, affect product appearance, increase production and assembly cost simultaneously, simultaneously to user, what not all functional interface all can use arrives, and this also causes waste virtually.In addition, for some comparatively small sized personal computing machines, because of volume restricted problem, have to abandon the physical interface that some users may not too commonly use, when user needs some functional interfaces using disappearance, can cause inconvenience to the user.Therefore, a kind of interface duplex realizing circuit that multiple physical interface can be incorporated into a physical interface is badly in need of at present.
Utility model content
The purpose of this utility model is to provide a kind of HDMI multiplexed realizing circuit, this circuit can realize HDMI, PCIE interface, SATA interface and USB interface to be incorporated into a HDMI, and is exported by the switching of control realization based on four kinds of interfaces.
For solving the problems of the technologies described above, utility model adopts technical scheme as described below.The multiplexed realizing circuit of a kind of HDMI, comprise HDMI circuit, first change-over circuit, second change-over circuit, 3rd change-over circuit and switch switching circuit, described 3rd change-over circuit is for realizing the conversion of input end USB interface and SATA interface and obtaining the 3rd transformation result, described second change-over circuit is for realizing the conversion of input end PCIE interface and HDMI and obtaining the second transformation result, described first change-over circuit is used for described 3rd transformation result and described second transformation result carry out changing and obtain the first transformation result, described first transformation result connects described HDMI circuit and according to the switching between control realization four distinct interfaces of described switch switching circuit.
Preferably, described 3rd change-over circuit comprises the 3rd control end, the 3rd input side and the 3rd outgoing side, described 3rd input side corresponding position is connected with SATA interface circuit and usb circuit, and the 3rd outgoing side that described 3rd control end controls described 3rd change-over circuit according to the 3rd preset rules switches output between SATA interface circuit and usb circuit.
Preferably, described 3rd control end switches output according to the 3rd outgoing side of described 3rd change-over circuit of the 3rd preset rules control between SATA interface circuit and usb circuit: when the 3rd control end is low level, 3rd outgoing side of the 3rd change-over circuit is that usb circuit exports, and described 3rd transformation result is that USB interface exports; When the 3rd control end is high level, the 3rd outgoing side of the 3rd change-over circuit is that SATA interface circuit exports, and described 3rd transformation result is that SATA interface circuit exports.
Preferably, described second change-over circuit comprises the second control end, the second input side and the second outgoing side, described second input side corresponding position is connected with HDMI circuit and PCIE interface circuit, and the second outgoing side that described second control end controls described second change-over circuit according to the second preset rules switches output between HDMI circuit and PCIE interface circuit.
Preferably, described second control end switches output according to the second outgoing side of described second change-over circuit of the second preset rules control between HDMI circuit and PCIE interface circuit: when the second control end is low level, second outgoing side of the second change-over circuit is that PCIE interface circuit exports, and described second transformation result is that PCIE interface circuit exports; When the second control end is high level, the second outgoing side of the second change-over circuit is that HDMI circuit exports, and described second transformation result is that HDMI circuit exports.
Preferably, described first change-over circuit comprises the first control end, the first input side and the first outgoing side, described first input side corresponding position is connected with the second transformation result and the 3rd transformation result, and the first outgoing side that described first control end controls described first change-over circuit according to the first preset rules switches output between the second transformation result and the 3rd transformation result.
Preferably, described first control end switches output according to the first outgoing side of described first change-over circuit of the first preset rules control between the second transformation result and the 3rd transformation result: when the first control end is low level, first outgoing side of the first change-over circuit exports with the 3rd transformation result, and described first transformation result is that the 3rd transformation result exports; When the first control end is high level, the first outgoing side of the first change-over circuit exports with the second transformation result, and described first transformation result is that the second transformation result exports.
Preferably, described switch switching circuit comprises the first on-off circuit, second switch circuit, the 3rd on-off circuit, the 4th on-off circuit and the 5th on-off circuit, the output terminal of described first on-off circuit is connected described second control end with the output terminal of second switch circuit simultaneously, switch with the low and high level controlling described second control end, output terminal and the output terminal of the 4th on-off circuit of described 3rd on-off circuit are connected described 3rd control end simultaneously, switch with the low and high level controlling described 3rd control end; 3rd on-off circuit and the 4th on-off circuit control the low and high level switching that described 5th on-off circuit controls described first control end.
Preferably, described when described first on-off circuit is opened, controlling described second control end is high level output, and the second outgoing side of the second change-over circuit is that HDMI circuit exports; When second switch circuit is opened, controlling described second control end is low level output, and the second outgoing side of the second change-over circuit is that PCIE interface circuit exports; When described 3rd on-off circuit is opened, controlling described 3rd control end is low level output, and the 3rd outgoing side of the 3rd change-over circuit is that usb circuit exports; When described 4th on-off circuit is opened, controlling described 3rd control end is high level output, and the 3rd outgoing side of the 3rd change-over circuit is that SATA interface circuit exports.
Preferably, the low and high level that described 3rd on-off circuit and the 4th on-off circuit control described first control end of described 5th on-off circuit control switches to when having at least one to open in the 3rd on-off circuit and the 4th on-off circuit, it is low level output that 5th on-off circuit controls described first control end, and the first outgoing side of the first change-over circuit is that the second transformation result circuit exports;
Otherwise it is high level output that the 5th on-off circuit controls described first control end, the first outgoing side of the first change-over circuit is that the second transformation result circuit exports.
Advantageous Effects of the present utility model is: the multiplexed realizing circuit of this HDMI comprises and realizes the conversion of USB interface and SATA interface to obtain the 3rd transformation result by the 3rd change-over circuit, the conversion that second change-over circuit realizes PCIE interface and HDMI is to obtain the second transformation result and the 3rd transformation result and the second transformation result carry out changing to obtain the first transformation result by the first change-over circuit, first transformation result connects HDMI circuit, and according to the switching between control realization four distinct interfaces of switch switching circuit.The utility model is enough is incorporated into a HDMI by HDMI, PCIE interface, SATA interface and USB interface, and is exported by the switching of control realization based on four kinds of interfaces.So, computer equipment can save some physical interfaces, reduces mechanism design difficulty and production cost, improves product appearance.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the multiplexed realizing circuit of part HDMI that preferred embodiment provides, and comprises HDMI circuit, the first change-over circuit, the second change-over circuit and the 3rd change-over circuit.
Fig. 2 is the circuit diagram being applied to the switch switching circuit of the multiplexed realizing circuit of HDMI in Fig. 1 that preferred embodiment provides.
Embodiment
For making those of ordinary skill in the art clearly understand the object of utility model, technical scheme and advantage, below in conjunction with drawings and Examples, utility model is further elaborated.
Shown in Fig. 2, in the present embodiment, the multiplexed realizing circuit 10 of this HDMI comprises HDMI circuit 11, first change-over circuit 12, second change-over circuit 13, the 3rd change-over circuit 14 and switch switching circuit 15.3rd change-over circuit 14 is for realizing the conversion of input end USB interface and SATA interface and obtaining the 3rd transformation result, second change-over circuit 13 is for realizing the conversion of input end PCIE interface and HDMI and obtaining the second transformation result, first change-over circuit 12 is for being undertaken changing by the 3rd transformation result and the second transformation result and obtaining the first transformation result, and the first transformation result connects HDMI circuit 11 and according to the switching between control realization four distinct interfaces of switch switching circuit 15.By this, HDMI, PCIE interface, SATA interface and USB interface are incorporated into a HDMI, and realize the switching output of four kinds of interfaces by switch control rule.So, computer equipment can save some physical interfaces, with reducing mechanism design difficulty and production cost, improves product appearance simultaneously.
In the present embodiment, the 3rd change-over circuit 14 comprises the 3rd control end 141, the 3rd input side (not marking in figure) and the 3rd outgoing side (not marking in figure).3rd input side correspondence is connected with SATA interface circuit and usb circuit.Wherein, usb circuit comprises USB3.0 and USB2.0 interface circuit, with the more functional interface of correspondence, to improve the experience of user.Preferably, in practical application, the 3rd change-over circuit 14 can adopt model to be the chip of ASM1480, and the detailed construction of its internal circuit is not repeating herein.The 3rd outgoing side that 3rd control end 141 controls the 3rd change-over circuit 14 according to the 3rd preset rules switches output between SATA interface circuit and usb circuit.In the present embodiment, when the 3rd control end 141 is low level, the 3rd outgoing side of the 3rd change-over circuit 14 is that usb circuit exports, and the 3rd transformation result of its correspondence is that USB interface exports.When the 3rd control end 141 is high level, the 3rd outgoing side of the 3rd change-over circuit 14 is that SATA interface circuit exports, and the 3rd transformation result of its correspondence is that SATA interface circuit exports.The conversion of SATA interface circuit and usb circuit can be realized by the 3rd change-over circuit 14.
In the present embodiment, the second change-over circuit 13 comprises the second control end 131, second input side (not marking in figure) and the second outgoing side (not marking in figure).Second input side correspondence is connected with HDMI circuit and PCIE interface circuit.The second outgoing side that second control end 131 controls the second change-over circuit 13 according to the second preset rules switches output between HDMI circuit and PCIE interface circuit.Preferably, in practical application, the second change-over circuit 13 can adopt model to be the chip of ASM1480, and the detailed construction of its internal circuit is not repeating herein.In the present embodiment, when the second control end 131 is low level, the second outgoing side of the second change-over circuit 13 is that PCIE interface circuit exports, and the second transformation result is that PCIE interface circuit exports.When the second control end 131 is high level, the second outgoing side of the second change-over circuit 13 is that HDMI circuit exports, and the second transformation result is that HDMI circuit exports.The conversion of HDMI circuit and PCIE interface circuit can be realized by this second change-over circuit 13.
In the present embodiment, the first change-over circuit 12 comprises the first control end 121, first input side (not marking in figure) and the first outgoing side (not marking in figure).First input side corresponding position is connected with the second transformation result and the 3rd transformation result, and the first control end 121 controls the first change-over circuit 12 the first outgoing side according to the first preset rules switches output between the second transformation result and the 3rd transformation result.Preferably, in practical application, the first change-over circuit 12 can adopt model to be the chip of ASM1480, and the detailed construction of its internal circuit is not repeating herein.In the present embodiment, when the first control end 121 is low level, the first outgoing side of the first change-over circuit 12 exports with the 3rd transformation result, and the first transformation result is that the 3rd transformation result exports.When the first control end 121 is high level, the first outgoing side of the first change-over circuit 12 exports with the second transformation result, and the first transformation result is that the second transformation result exports.The conversion of the second transformation result and the 3rd transformation result can be realized by this first change-over circuit 12.
In the present embodiment, the conversion that 3rd change-over circuit 14 realizes SATA interface circuit and usb circuit exports to obtain the 3rd transformation result, the conversion that second change-over circuit 13 realizes HDMI circuit and PCIE interface circuit exports to obtain the second transformation result, and the conversion that the first change-over circuit realizes the second transformation result and the 3rd transformation result exports to obtain the first transformation result, and the first transformation result is connected with HDMI circuit 11.Can realize exporting based on the switching of four kinds of interface circuits of HDMI by the multiplexed realizing circuit of this HDMI, carry out choice for use for user.In actual production, computer equipment only need design a HDMI physical interface, the difference that just can be realized between four kinds of interfaces by switch switching circuit is switched.
In the present embodiment, switch switching circuit 15 comprises the first on-off circuit 151, second switch circuit 152, the 3rd on-off circuit 153, the 4th on-off circuit 154 and the 5th on-off circuit 155.The output terminal of the first on-off circuit 151 is connected the second control end 131 with the output terminal of second switch circuit 152 simultaneously, switch with the low and high level controlling the second control end 131, the output terminal of the 3rd on-off circuit 153 is connected the 3rd control end 141 with the output terminal of the 4th on-off circuit 154 simultaneously, switch with the low and high level controlling the 3rd control end 131, the 3rd on-off circuit 153 and the 4th on-off circuit 154 control the low and high level switching that the 5th on-off circuit 155 controls the first control end 121.Particularly, when the first on-off circuit 151 is opened, controlling the second control end 131 is high level output, and the second outgoing side of the second change-over circuit 13 is that HDMI circuit exports.When second switch circuit 152 is opened, controlling the second control end 131 is low level output, and the second outgoing side of the second change-over circuit 13 is that PCIE interface circuit exports.When the 3rd on-off circuit 153 is opened, controlling the 3rd control end 153 is low level output, and the 3rd outgoing side of the 3rd change-over circuit 14 is that usb circuit exports.When the 4th on-off circuit 154 is opened, controlling the 3rd control end 141 is high level output, and the 3rd outgoing side of the 3rd change-over circuit 14 is that SATA interface circuit exports.
Particularly, in the present embodiment, the first on-off circuit 151 comprises the circuit 1 with three pins 1,2,3.Wherein, under default conditions, pin 2 is communicated with pin 3.When the first on-off circuit 151 is opened, pin 1 is communicated with pin 2.In the present embodiment, pin 1 connects input voltage VIN by the first resistance R1, and pin 2 connects the output terminal of the first on-off circuit 151.When the first on-off circuit 151 is opened, the output terminal of control circuit 1 exports high level.In the present embodiment, second switch circuit 152 comprises the circuit 2 and triode Q1 with three pins 1,2,3.Circuit 1 is identical with circuit 2 structure, is not repeating herein.The pin 1 of circuit 2 connects input voltage VIN by the second resistance R2, the base stage of pin 2 connecting triode Q1, the grounded emitter of triode Q1, its collector connects one end of the 3rd resistance R3 and the output terminal of second switch circuit 152 simultaneously, and the other end of the 3rd resistance R3 connects input voltage VIN.When second switch circuit 152 is opened, it is high level that the pin 2 of this input voltage VIN control circuit 1 exports, and after triode Q1, controls second switch circuit 152 for low level output.In the present embodiment, the preferred model of triode Q2 is MMBT3904.Because the output terminal of the first on-off circuit 151 and the output terminal of second switch circuit 152 are connected the second control end 131 of the second change-over circuit 13 simultaneously, therefore the switching of the second control end 131 low and high level is respectively by the first on-off circuit 151 and second switch circuit 152 control realization.
In the present embodiment, the 3rd on-off circuit 153 comprises the circuit 3 with three pins 1,2,3.Wherein, under default conditions, pin 1 is communicated with pin 2.When the first on-off circuit 153 is opened, pin 2 is communicated with pin 3.The pin 2 of circuit 3 connects input voltage VIN by the 4th resistance R4, and pin 2 connects the output terminal of the 3rd on-off circuit 153 simultaneously, pin 3 ground connection.When the 3rd on-off circuit 153 is opened, the output terminal output low level of control circuit 3.When the 3rd on-off circuit 153 is opened, the pin 2 of control circuit 3 exports as low level.In the present embodiment, the 4th on-off circuit 154 comprises the circuit 4 and triode Q2 with three pins 1,2,3.Circuit 4 is identical with circuit 3 structure, is not repeating herein.The pin 2 of circuit 4 connects input voltage VIN by the 5th resistance R5, the base stage of pin 2 connecting triode Q2 simultaneously, the grounded emitter of triode Q2, its collector connects one end of the 6th resistance R6 and the output terminal of the 4th on-off circuit 154 simultaneously, and the other end of the 6th resistance R6 connects input voltage VIN.When the 4th on-off circuit 154 is opened, the pin 2 of input voltage VIN control circuit 4 exports as low level, and the output terminal controlling the 4th on-off circuit 154 after triode Q2 is high level output.In the present embodiment, the preferred model of triode Q2 is MMBT3904.Output terminal and the output terminal of the 4th on-off circuit 154 due to the 3rd on-off circuit 153 are connected the 3rd control end 141 of the 3rd change-over circuit 14 simultaneously, therefore the switching of the 3rd control end 141 low and high level is respectively by three on-off circuits 153 and the 4th on-off circuit 154 control realization.
In the present embodiment, 5th on-off circuit 155 comprises the 7th resistance R7, diode D1 and diode D2, and one end of the positive pole of the positive pole of diode D1, diode D2 and the 7th resistance R7 connects the output terminal of the 5th on-off circuit 155 simultaneously, the other end of the 7th resistance R7 connects input voltage VIN, the negative pole of diode D1 connects the output terminal of the 3rd on-off circuit 153, the pin 2 of the negative pole connecting circuit 4 of diode D2.Output terminal due to the 5th on-off circuit 155 connects the first control end 121 of the first change-over circuit 12.In the present embodiment, when having at least one to open in the 3rd on-off circuit 153 and the 4th on-off circuit 154, it is low level output that 5th on-off circuit 155 controls the first control end 121, first outgoing side of the first change-over circuit 12 is that the second transformation result circuit exports, otherwise it is high level output that the 5th on-off circuit 155 controls the first control end 121, the first outgoing side of the first change-over circuit 12 is that the second transformation result circuit exports.
The multiplexed realizing circuit 10 of this HDMI realizes circuit conversion between SATA interface circuit and usb circuit by the 3rd change-over circuit 14, the second change-over circuit 13 is realized the conversion of PCIE interface and HDMI and realized the switching of four kinds of interfaces by the first change-over circuit 12, and final transformation result is connected to HDMI physical interface, only can normally need use by external corresponding device on this HDMI physical interface.By this set, the switching that can realize based on four kinds of interface circuits of HDMI exports, and carries out choice for use for user.In actual production, computer equipment only need design a HDMI physical interface, the difference that just can be realized between four kinds of interfaces by switch switching circuit is switched.So, computer equipment can save some physical interfaces, reduces mechanism design difficulty and production cost, improves product appearance.
The foregoing is only the preferred embodiment of utility model, but not any pro forma restriction is done to utility model.Those skilled in the art can impose various equivalent change and improvement on the basis of above-described embodiment, all equivalent variations of doing in right or modification, within the protection domain that all should fall into utility model.
Claims (10)
1. the multiplexed realizing circuit of HDMI, it is characterized in that: comprise HDMI circuit, first change-over circuit, second change-over circuit, 3rd change-over circuit and switch switching circuit, described 3rd change-over circuit is for realizing the conversion of input end USB interface and SATA interface and obtaining the 3rd transformation result, described second change-over circuit is for realizing the conversion of input end PCIE interface and HDMI and obtaining the second transformation result, described first change-over circuit is used for described 3rd transformation result and described second transformation result carry out changing and obtain the first transformation result, described first transformation result connects described HDMI circuit and according to the switching between control realization four distinct interfaces of described switch switching circuit.
2. the multiplexed realizing circuit of HDMI as claimed in claim 1, it is characterized in that: described 3rd change-over circuit comprises the 3rd control end, the 3rd input side and the 3rd outgoing side, described 3rd input side corresponding position is connected with SATA interface circuit and usb circuit, and the 3rd outgoing side that described 3rd control end controls described 3rd change-over circuit according to the 3rd preset rules switches output between SATA interface circuit and usb circuit.
3. the multiplexed realizing circuit of HDMI as claimed in claim 2, it is characterized in that: described 3rd control end switches output according to the 3rd outgoing side of described 3rd change-over circuit of the 3rd preset rules control and is between SATA interface circuit and usb circuit: when the 3rd control end is low level, 3rd outgoing side of the 3rd change-over circuit is that usb circuit exports, and described 3rd transformation result is that USB interface exports; When the 3rd control end is high level, the 3rd outgoing side of the 3rd change-over circuit is that SATA interface circuit exports, and described 3rd transformation result is that SATA interface circuit exports.
4. the multiplexed realizing circuit of HDMI as claimed in claim 3, it is characterized in that: described second change-over circuit comprises the second control end, the second input side and the second outgoing side, described second input side corresponding position is connected with HDMI circuit and PCIE interface circuit, and the second outgoing side that described second control end controls described second change-over circuit according to the second preset rules switches output between HDMI circuit and PCIE interface circuit.
5. the multiplexed realizing circuit of HDMI as claimed in claim 4, it is characterized in that: described second control end switches output according to the second outgoing side of described second change-over circuit of the second preset rules control and is between HDMI circuit and PCIE interface circuit: when the second control end is low level, second outgoing side of the second change-over circuit is that PCIE interface circuit exports, and described second transformation result is that PCIE interface circuit exports; When the second control end is high level, the second outgoing side of the second change-over circuit is that HDMI circuit exports, and described second transformation result is that HDMI circuit exports.
6. the multiplexed realizing circuit of HDMI as claimed in claim 5, it is characterized in that: described first change-over circuit comprises the first control end, the first input side and the first outgoing side, described first input side corresponding position is connected with the second transformation result and the 3rd transformation result, and the first outgoing side that described first control end controls described first change-over circuit according to the first preset rules switches output between the second transformation result and the 3rd transformation result.
7. the multiplexed realizing circuit of HDMI as claimed in claim 6, it is characterized in that: described first control end switches output according to the first outgoing side of described first change-over circuit of the first preset rules control and is between the second transformation result and the 3rd transformation result: when the first control end is low level, first outgoing side of the first change-over circuit exports with the 3rd transformation result, and described first transformation result is that the 3rd transformation result exports; When the first control end is high level, the first outgoing side of the first change-over circuit exports with the second transformation result, and described first transformation result is that the second transformation result exports.
8. the multiplexed realizing circuit of HDMI as claimed in claim 7, it is characterized in that: described switch switching circuit comprises the first on-off circuit, second switch circuit, 3rd on-off circuit, 4th on-off circuit and the 5th on-off circuit, the output terminal of described first on-off circuit is connected described second control end with the output terminal of second switch circuit simultaneously, switch with the low and high level controlling described second control end, output terminal and the output terminal of the 4th on-off circuit of described 3rd on-off circuit are connected described 3rd control end simultaneously, switch with the low and high level controlling described 3rd control end, 3rd on-off circuit and the 4th on-off circuit control the low and high level switching that described 5th on-off circuit controls described first control end.
9. the multiplexed realizing circuit of HDMI as claimed in claim 8, is characterized in that:
When described first on-off circuit is opened, controlling described second control end is high level output, and the second outgoing side of the second change-over circuit is that HDMI circuit exports;
When second switch circuit is opened, controlling described second control end is low level output, and the second outgoing side of the second change-over circuit is that PCIE interface circuit exports;
When described 3rd on-off circuit is opened, controlling described 3rd control end is low level output, and the 3rd outgoing side of the 3rd change-over circuit is that usb circuit exports;
When described 4th on-off circuit is opened, controlling described 3rd control end is high level output, and the 3rd outgoing side of the 3rd change-over circuit is that SATA interface circuit exports.
10. the multiplexed realizing circuit of HDMI as claimed in claim 8, is characterized in that: the low and high level that described 3rd on-off circuit and the 4th on-off circuit control described first control end of described 5th on-off circuit control switches to:
When having at least one to open in the 3rd on-off circuit and the 4th on-off circuit, it is low level output that the 5th on-off circuit controls described first control end, and the first outgoing side of the first change-over circuit is that the second transformation result circuit exports;
Otherwise it is high level output that the 5th on-off circuit controls described first control end, the first outgoing side of the first change-over circuit is that the second transformation result circuit exports.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520810851.2U CN205158342U (en) | 2015-10-19 | 2015-10-19 | HDMI interface multiplex circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520810851.2U CN205158342U (en) | 2015-10-19 | 2015-10-19 | HDMI interface multiplex circuit |
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| CN205158342U true CN205158342U (en) | 2016-04-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106454185A (en) * | 2016-12-26 | 2017-02-22 | 深圳Tcl数字技术有限公司 | High-definition multimedia interface multiplexing apparatus and method |
| CN108205512A (en) * | 2016-12-16 | 2018-06-26 | 佛山市顺德区顺达电脑厂有限公司 | High-definition multimedia interface device and its control method |
| CN109462395A (en) * | 2018-12-28 | 2019-03-12 | 常州朗奇威电器有限公司 | Interface multiplexes conversion circuit and multiplexing conversion method |
-
2015
- 2015-10-19 CN CN201520810851.2U patent/CN205158342U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108205512A (en) * | 2016-12-16 | 2018-06-26 | 佛山市顺德区顺达电脑厂有限公司 | High-definition multimedia interface device and its control method |
| CN106454185A (en) * | 2016-12-26 | 2017-02-22 | 深圳Tcl数字技术有限公司 | High-definition multimedia interface multiplexing apparatus and method |
| CN109462395A (en) * | 2018-12-28 | 2019-03-12 | 常州朗奇威电器有限公司 | Interface multiplexes conversion circuit and multiplexing conversion method |
| CN109462395B (en) * | 2018-12-28 | 2023-08-15 | 常州朗奇威电器有限公司 | Interface multiplexing conversion circuit and multiplexing conversion method |
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