CN2775746Y - Electronic equipment having playing and storage function - Google Patents
Electronic equipment having playing and storage function Download PDFInfo
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- CN2775746Y CN2775746Y CN 200520005568 CN200520005568U CN2775746Y CN 2775746 Y CN2775746 Y CN 2775746Y CN 200520005568 CN200520005568 CN 200520005568 CN 200520005568 U CN200520005568 U CN 200520005568U CN 2775746 Y CN2775746 Y CN 2775746Y
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Abstract
The utility model relates to electronic equipment with playing and storage functions, which comprises a main body, a control circuit, a signal input and output connector which is arranged on the main body and a control key, wherein the control circuit comprises an audio playing circuit, an audio output circuit which is connected with the audio playing circuit, a USB interface circuit and a data processing control circuit; the control key is connected with the data processing control circuit; the signal input and output connector is provided with four lines, wherein two signal connecting ends are respectively and correspondingly connected with two signal ends of the USB interface circuit and are correspondingly connected with two audio signal ends of an audio output circuit through a wave trap simultaneously; the third line of the signal input and output connector is an earth connecting end, and the fourth line is a power supply end. The earth connecting end, the power supply end and a USB power cord of the USB interface circuit are multiplex. Thus, the utility model not only can complete the transmission of data, but also can complete audio output, has the advantages of little space occupation, few transmission wires and convenient management, and is favorable to miniaturization development.
Description
Technical field
The utility model relates to a kind of electronic equipment, especially a kind of electronic equipment with broadcast and memory function that comprises body, the control circuit that is provided with, the signal input and output connector that is provided with and control button in body on body.
Background technology
Development along with consumption electronic product, various small and exquisite and powerful mobile electronic products have appearred, for example mobile phone, PDA, MP3 player, DV, mobile memory, mobile phone, game station and notebook computer etc., these miniaturized electronicss are by being connected with large-scale stationary electronic devices, perhaps by being connected to each other between these miniaturized electronicss, can finish lot of data, information processing and transmission, for people's routine work brings great convenience, also bring great information to enjoy simultaneously to daily life.
Above-mentioned miniaturized electronics both can be from other data source data download, also can be in other storeies with the data transmission of its storage inside, and, can output audio signal, people by earphone or audio amplifier just can uppick output sound signal.But, when the output of the transmission of carrying out data and sound signal, need special-purpose interface and connecting line, as, when carrying out data transmission with PC, need data-interface such as USB interface to be connected with PC, when output audio signal, need be connected with earphone or audio amplifier by audio interface.As seen, in order to carry out the output of data transmission and audio frequency, on present miniaturized electric subset, must have two interfaces, one for being used to transmit the USB interface of data, one is audio interface, and at present above-mentioned electronic equipment is as consumption electronic product, its developing direction is to improve constantly the more additional properties of expansion on the basis of himself original performance, simultaneously, its volume further develops to microminiaturization, therefore, traditional is excessive owing to its volume such as standard or off-gauge usb data interface, begun gradually further to adapt to the microminiaturized fast-developing of miniaturized electronics, on an equipment, be provided with the miniaturization that two interfaces are unfavorable for equipment, be unfavorable for that also the rationalization of structure improves.Moreover, information interaction between numerous electronic equipments often needs special-purpose interface and line, this just causes various connecting line numerous numerous and disorderly, bring trouble in many uses to the user, these troubles show that mainly the user when carrying out the information transmission of equipment room according to different demands, at first needs to select the transmission line of difference in functionality, in time spent not at ordinary times, also must keep properly various transmission lines, simultaneously, also will prevent its knotting or too much bending and cause broken string etc.
In sum, how to solve the trouble that various numerous numerous and disorderly connecting line brings to the user, and the application mode of changing present usb data interface, make it can adapt to small-sized mobile electronic device, become the industry and manufactured enterprise and need a major issue solving as early as possible to the further developing of microminiaturization.
The utility model content
Fundamental purpose of the present utility model is at the deficiencies in the prior art, a kind of electronic equipment with broadcast and memory function is proposed, this electronic equipment only has a signal input and output connector, carries out the output of the uploading of data, download and sound signal by this signal input and output connector.
For realizing the purpose of this utility model, the utility model provides a kind of electronic equipment with broadcast and memory function, comprise body, the control circuit that is provided with in body, the signal input and output connector that is provided with on body and control button, described control circuit comprises audio playing circuit, the audio output circuit that is connected with audio playing circuit, data processing and control circuit, data input/output interface circuit; Described control button is connected with the data processing and control circuit; Described data input/output interface circuit is a usb circuit, described signal input and output connector has four lines, wherein two signal connection ends are connected with two signal ends correspondences of usb circuit respectively, and simultaneously by of the two piece sound signal ends corresponding connection of notch circuit with audio output circuit, the 3rd of described signal input and output connector is the ground connection link, the 4th is power end, multiplexing with the USB power lead of described usb circuit.
Because the transfer rate of usb data has three kinds of 1.5MHZ, 12MHZ, 48MHZ, audio signal output is the highest at 20KHZ, so, the notch circuit can separate the data and the sound signal of usb circuit transmission, when carrying out data transmission by usb circuit, because the restriction of notch circuit, described signal input and output connector directly is connected with usb circuit, carries out the transmission of data; When audio playing circuit during by described audio output circuit output audio signal, described sound signal is by the notch circuit, by described signal input and output connector output.
The electronic equipment that the utility model provides only has a signal input and output connector, both can finish the transmission of data by the notch circuit of inside, can finish the output of audio frequency again, it is little to take up room, be beneficial to the miniaturization development of equipment, and the transmission line that uses is few, is convenient to management.
Below in conjunction with drawings and Examples the utility model is described in further detail.
Description of drawings
Fig. 1 is the circuit theory diagrams of electronic equipment described in the utility model;
Fig. 2 is the physical circuit schematic diagram of electronic equipment described in the utility model;
Fig. 3 is the principle schematic that the physical circuit of electronic equipment described in the utility model is connected with earphone or USB conversion line;
Fig. 4 is the synoptic diagram that the MP3 player is connected with computer among the utility model embodiment one;
Fig. 5 is the synoptic diagram that the MP3 player is connected with earphone among the utility model embodiment one;
Fig. 6 is the synoptic diagram that the mobile phone among the utility model embodiment two is connected with computer;
Fig. 7 is the synoptic diagram that the mobile phone among the utility model embodiment two is connected with earphone.
Embodiment
Electronic equipment with broadcast and memory function described in the utility model comprises body, the control circuit that is provided with, the signal input and output connector that is provided with and control button on body in body, referring to Fig. 1, be the intrinsic circuit theory diagrams of described electronic equipment, audio output circuit 11, data processing and control circuit (not shown), usb circuit 12 that described control circuit 1 comprises the audio playing circuit (not shown), is connected with audio playing circuit; Described control button (not shown) is connected with the data processing and control circuit; Described signal input and output connector 2 has four lines, wherein two signal connection ends are connected with two signal ends correspondences of usb circuit 12 respectively, and simultaneously by the two piece sound signal ends corresponding connection of notch circuit 3 with audio output circuit 11, the 3rd of described signal input and output connector 2 is the ground connection link, the 4th is power end, multiplexing with the USB power lead of described usb circuit 12.Wherein, described signal input and output connector 2 is audio connector or USB connector.Low-pass filter circuit 31 that described notch circuit 3 specifically is connected in series and partiting dc circuit 32, two sound signal ends of described audio output circuit 11 respectively with the corresponding connection of two input ends of described partiting dc circuit 32, two output terminals of described partiting dc circuit 32 respectively with the corresponding connection of two input ends of described low-pass filter circuit 31, two output terminals of described low-pass filter circuit 31 respectively with the corresponding connection of two signal connection ends of described signal input and output connector 2.
Referring to Fig. 2, a specific embodiment for Fig. 1, wherein, described signal input and output connector 2 is an audio connector 2 ', and, this circuit also comprises power conversion module 4, and the input end of described power conversion module 4 is connected with the 4th power end of described signal input and output connector 2 by a power isolation circuit 5, and output terminal is connected with the power end of described control circuit 1.Described power isolation circuit 5 can be a unidirectional diode D1, and described unidirectional diode D1 is anodal to be connected with the power end of described signal input and output connector 2, and negative pole is connected with the input end of system power supply module 4.
Described low pass notch circuit 31 comprises two inductance L 1, L2, the partiting dc circuit of stating 32 comprises two capacitor C 1, C2, the corresponding connection of a signal connection end of one end of described inductance L 1 and described signal input and output connector 2, the other end is connected with an end of capacitor C 1, the other end of capacitor C 1 is connected with a sound signal end of audio output circuit 11, in like manner, the corresponding connection of another root signal connection end of one end of inductance L 2 and described signal input and output connector 2, the other end is connected with an end of capacitor C 2, and the other end of capacitor C 2 is connected with another sound signal end of audio output circuit 11.
In Fig. 2, signal input and output connector 2 among Fig. 1 is an audio connector 2 ', it has four terminals, wherein, terminal V is the control signal link, and terminal R, L are respectively two sound signal links, and terminal G is an audio frequency ground link, terminal R is connected by the left channel signals end of the audio output circuit 11 in L1, C1 and the control circuit 1, and the right-channel signals end that terminal L passes through the audio output circuit 11 in L2, C2 and the control circuit 1 is connected.Simultaneously, terminal R, L are connected with two data terminals of USB+, USB-of usb circuit 12 in the control circuit 1 respectively.
The connecting line of accessing to audio connector 2 ' can be earphone, also can be the USB patchcord, as shown in Figure 3, and for the physical circuit of electronic equipment described in the utility model is changed the principle schematic that line is connected with earphone or USB; One end of USB patchcord 6 is a standard USB interface, the other end is an audio frequency attachment plug, this plug is divided into electric independently four sections, be followed successively by control signal link, audio frequency ground link, right-channel signals end, left channel signals end from connecting line one end to plug ends, when this audio jack being inserted audio connector 2 ', the control signal link of the audio frequency attachment plug of USB patchcord 6, audio frequency ground link, right-channel signals end, left channel signals end correspondence are connected with terminal V, G, R, the L of audio connector 2 '.Because the transfer rate of USB interface has three kinds of 1.5MHZ, 12MHZ, 48MHZ, audio signal output is the highest at 20KHZ, so, when the audio frequency attachment plug of USB patchcord 6 being inserted audio connector 2 ', data can directly be carried out the transmission of data by usb circuit 12, audio connector 2 ', USB patchcord 6.
The audio jack 71 of earphone 7 is divided into electric independently three sections, be followed successively by audio frequency ground link from connecting line one end to plug ends, the left channel signals end, the right-channel signals end, when this audio jack being inserted described audio connector 2 ', the terminal V of audio connector 2 ', G is connected with the audio frequency ground link of audio jack 71 simultaneously, the terminal R of audio connector 2 ', L respectively with the left channel signals end of audio jack 71, the right-channel signals end connects, because audio signal output is the highest at 20KHZ, so pass through the notch circuit from the sound signal of control circuit sound intermediate frequency output circuit 11 outputs, audio connector 2 ' outputs in the earphone 7.
Electronic equipment described in the utility model is that the data processing and control circuit of audio player MP3, PDA, DV, data camera, portable PC or mobile phone can be audio player MP3, PDA, DV, data camera, portable PC or mobile phone according to described data processing and control circuit.
Below be that example describes with MP3 audio player and mobile phone.
Referring to Fig. 4, the synoptic diagram that is connected with PC for MP3 among the utility model embodiment one; Described MP3 player comprises body 1a, on this body 1a, be provided with audio connector 11a, control button 12a, display screen 13a, the circuit of this body interior, this circuit as shown in Figure 2, in the time the data on the PC need being downloaded in the MP3 player or pass to the data in the MP3 player on the PC, need a USB patchcord, USB patchcord 6 as shown in FIG., one end of this USB patchcord 6 is a USB interface, be connected with PC, one end is an audio jack, be connected the circuit connection audio connector 2 ' as shown in Figure 3 and the situation about being connected of USB patchcord of the MP3 player of this moment with the audio connector 11a on the MP3 player body 1a.When the audio frequency in the MP3 player was broadcasted, with being connected as shown in Figure 5 of earphone, the circuit of the MP3 player of this moment as shown in Figure 3.
Referring to Fig. 6, the synoptic diagram that is connected with PC for the mobile phone among the utility model embodiment two; Described mobile phone has body 1b, audio connector 11b, control button 12b, display screen 13b, the circuit of this body interior, this circuit as shown in Figure 2, in the time the data on the PC need being downloaded in the mobile phone or pass to the data in the mobile phone on the PC, need a USB patchcord, USB patchcord 6 as shown in FIG., one end of this USB patchcord 6 is a USB interface, be connected with PC, one end is an audio jack, be connected the circuit connection audio connector 2 ' as shown in Figure 3 and the situation about being connected of USB patchcord of the mobile phone of this moment with the audio connector 11b on the mobile phone body 1b.When the audio frequency in the mobile phone was broadcasted, with being connected as shown in Figure 7 of earphone, the circuit of the mobile phone of this moment as shown in Figure 3.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (12)
1, a kind of electronic equipment with broadcast and memory function, comprise body, the control circuit that is provided with in body, the signal input and output connector that is provided with on body and control button, described control circuit comprises audio playing circuit, the audio output circuit that is connected with audio playing circuit, data processing and control circuit, data input/output interface circuit; Described control button is connected with the data processing and control circuit;
It is characterized in that, described data input/output interface circuit is a usb circuit, described signal input and output connector has four lines, wherein two signal connection ends are connected with two signal ends correspondences of usb circuit respectively, and simultaneously by of the two piece sound signal ends corresponding connection of notch circuit with audio output circuit, the 3rd of described signal input and output connector is the ground connection link, and the 4th is power end, multiplexing with the USB power lead of described usb circuit.
2, the electronic equipment with broadcast and memory function according to claim 1, it is characterized in that, described notch circuit comprises low-pass filter circuit and the partiting dc circuit that is connected in series, two sound signal ends of described audio output circuit respectively with the corresponding connection of two input ends of described partiting dc circuit, two output terminals of described partiting dc circuit respectively with the corresponding connection of two input ends of described low pass notch circuit, two output terminals of described low pass notch circuit respectively with the corresponding connection of two signal connection ends of described signal input and output connector.
3, the electronic equipment with broadcast and memory function according to claim 2, it is characterized in that, described low pass notch circuit comprises two inductance, one end of described each inductance is connected with a signal connection end of described signal input and output connector, and the other end is connected with an end of partiting dc circuit.
4, according to claim 2 or 3 described electronic equipments with broadcast and memory function, it is characterized in that, described partiting dc circuit comprises two electric capacity, and an end of described each electric capacity is connected with the sound signal end of audio output circuit, the other end and the corresponding connection of low pass notch circuit.
5, the electronic equipment with broadcast and memory function according to claim 1, it is characterized in that, this equipment also comprises the power conversion module, the input end of described power conversion module is connected with the 4th power end of described signal input and output connector, and output terminal is connected with the power end of described control circuit.
6, according to claim 5 have play and the electronic equipment of memory function, it is characterized in that, between the power end of the input end of described power conversion module and described signal input and output connector, also comprise power isolation circuit.
7, the electronic equipment with broadcast and memory function according to claim 6, it is characterized in that, described power isolation circuit is a unidirectional diode, described unidirectional diode is anodal to be connected with the power end of described signal input and output connector, and negative pole is connected with the input end of system power supply module.
8, according to claim 1,2,3,5,6 or 7 described electronic equipments with broadcast and memory function, it is characterized in that, described signal input and output connector is an audio connector, and this audio connector is provided with two sound signal links, audio frequency ground link and control signal link; Described two sound signal links are connected with two signal ends correspondences of usb circuit respectively, and simultaneously by the two piece sound signal ends corresponding connection of notch circuit with audio output circuit; The audio frequency ground link of audio connector connects the signal ground of usb circuit; The control linkage end of audio connector and the USB power lead of described usb circuit are multiplexing.
9, according to claim 1,2,3,5,6 or 7 described electronic equipments with broadcast and memory function, it is characterized in that, described signal input and output connector is a USB connector, two usb signal lines of this USB connector connect the signal line end of usb circuit respectively, and simultaneously by the two sound signal ends corresponding connection of notch circuit with audio output circuit; Connect the signal ground of usb circuit the usb signal of this USB connector, and multiplexing with the audio frequency ground of audio output circuit; The power supply of the USB power lead connection control circuit of this USB connector, and multiplexing with audio frequency control linkage end.
10, the electronic equipment with broadcast and memory function according to claim 9 is characterized in that described USB connector is USB male joint or USB female joint.
11, the electronic equipment with broadcast and memory function according to claim 10 is characterized in that described USB male joint is the big joint or the little joint of standard; Perhaps described USB female joint is the big joint or the little joint of standard.
12, according to claim 1,2,3,5,6,7,10 or 11 described electronic equipments with broadcast and memory function, it is characterized in that described data processing and control circuit is the data processing and control circuit of audio player MP3, PDA, DV, data camera, portable PC or mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520005568 CN2775746Y (en) | 2005-03-09 | 2005-03-09 | Electronic equipment having playing and storage function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520005568 CN2775746Y (en) | 2005-03-09 | 2005-03-09 | Electronic equipment having playing and storage function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2775746Y true CN2775746Y (en) | 2006-04-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520005568 Expired - Lifetime CN2775746Y (en) | 2005-03-09 | 2005-03-09 | Electronic equipment having playing and storage function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2775746Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006125357A1 (en) * | 2005-05-26 | 2006-11-30 | Taiguen Technology (Shen_Zhen) Co., Ltd | Audio/usb signal dual line, play storage device and dual transmission play storage system |
| CN102778918A (en) * | 2011-05-09 | 2012-11-14 | 鸿富锦精密工业（深圳）有限公司 | Portable electronic device |
| CN104572560A (en) * | 2015-01-26 | 2015-04-29 | 复旦大学无锡研究院 | USB (universal serial bus) and ADC (analog to digital converter) interface multiplex circuit and multiplex method |
-
2005
- 2005-03-09 CN CN 200520005568 patent/CN2775746Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006125357A1 (en) * | 2005-05-26 | 2006-11-30 | Taiguen Technology (Shen_Zhen) Co., Ltd | Audio/usb signal dual line, play storage device and dual transmission play storage system |
| GB2443976A (en) * | 2005-05-26 | 2008-05-21 | Taiguen Technology | Audio/usb signal dual line,play storage device and dual transmission play storage system |
| CN102778918A (en) * | 2011-05-09 | 2012-11-14 | 鸿富锦精密工业（深圳）有限公司 | Portable electronic device |
| CN102778918B (en) * | 2011-05-09 | 2016-08-24 | 国家电网公司 | Portable electron device |
| CN104572560A (en) * | 2015-01-26 | 2015-04-29 | 复旦大学无锡研究院 | USB (universal serial bus) and ADC (analog to digital converter) interface multiplex circuit and multiplex method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150309 Granted publication date: 20060426 |