CN2796021Y - Portable DVD machine expander - Google Patents
Portable DVD machine expander Download PDFInfo
- Publication number
- CN2796021Y CN2796021Y CN 200520083021 CN200520083021U CN2796021Y CN 2796021 Y CN2796021 Y CN 2796021Y CN 200520083021 CN200520083021 CN 200520083021 CN 200520083021 U CN200520083021 U CN 200520083021U CN 2796021 Y CN2796021 Y CN 2796021Y
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- dvd player
- circuit
- portable dvd
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Abstract
The utility model discloses an expander of a portable DVD machine, which relates to a device which can supply power to a DVD machine and offer television and receiving signals. The utility model comprises an operating and control assembly, a microprocessor, a television receiving circuit, a wireless broadcast receiving circuit and an audio switching circuit. Cells of a portable DVD machine are charged through a DVD machine interface; meanwhile, power is supplied to the portable DVD machine, and television and receiving signals are offered; thereby, the portable DVD machine can fully exert the effectiveness of the portable DVD machine in fixed places. An I2C bus of the microprocessor enables the portable DVD machine to realize the OSD function through the DVD machine interface. The utility model is also provided with a clock control circuit and a character display; thereby, the overall system can automatically open or close, work states are clear at a glance, and the utility model is of human-based. A built-in power amplifying circuit plays sounds of various programs through an external sound box so that a mini home theater is formed. The connection between the utility model and the portable DVD machine is realized through a positioning mechanism and a clamping mechanism, and the accuracy and the reliability of the electrical connection between the DVD machine interface and the portable DVD machine are ensured.
Description
Technical field
The utility model relates to a kind for the treatment of apparatus of audio-video signal, particularly relates to a kind of can the charging and the treating apparatus of the audio-video signal controlled to DVD player.
Technical background
The portable DVD player machine, small and exquisite nimble with it, welcome by the people that often travel outdoors.Various portable DVD player machines all have a main frame that has assembled DVD player core and control circuit board and various control buttons, also have been equipped with the display of loudspeaker and flip-shell on this main frame.Be subjected to the restriction of volume, present various portable DVD player machine can only the DVD playing back CD program, incompatibility people teleview in various residences or office space and the general needs of broadcast listening, particularly various portable DVD player machines need will be carried this charger when travelling outdoors with special charger to its battery charge.
Summary of the invention
The utility model aim to provide a kind of can be to the battery charge of portable DVD player machine, and can utilize the portable DVD player machine to teleview and/or the Portable DVD machine extending dock of broadcast listening.
The technical solution of the utility model is: Portable DVD machine extending dock, manipulation component is housed on its housing and to portable DVD player machine power supply and transmit the DVD player interface of signal, power circuit, microprocessor, television reception circuit, radio broadcasting radio reception circuit and frequency switch circuit is housed in the housing; Power circuit is powered to power output end, microprocessor, television reception circuit, radio broadcasting radio reception circuit and the frequency switch circuit of DVD player interface respectively; The corresponding respectively control input end of power circuit and the one group of control input end of microprocessor of connecting of manipulation component; Control input end, the control input end of radio broadcasting radio reception circuit, the control input end of frequency switch circuit and the control output end of DVD player interface of respectively organizing the corresponding respectively connection television reception circuit in control output end of microprocessor; The audio output of the audio output of television reception circuit and radio broadcasting radio reception circuit is connected two audio input ends of frequency switch circuit respectively; The video output terminals of television reception circuit and the audio output of frequency switch circuit are connected the corresponding output terminal of DVD player interface respectively.Enter open state by the user by manipulation component control power circuit, to the power supply of portable DVD player machine, to the battery charge of portable DVD player machine; Or shutdown, stop to power to the portable DVD player machine; Also can send control command, make the portable DVD player machine enter televisor or radio state to microprocessor.Enter the televisor state at the portable DVD player machine, microprocessor is controlled television reception circuit work, and sends instruction by the control output end of DVD player interface to the portable DVD player machine, makes the portable DVD player machine be in external input service state.The audio signal of television reception circuit outputs to the portable DVD player machine sowing through frequency switch circuit and DVD player interface and releases.The picture signal of television reception circuit outputs to the portable DVD player machine through the DVD player interface and plays out image by display screen.At the radio state, microprocessor is controlled radio broadcasting radio reception circuit working, and sends instruction by the control output end of DVD player interface to the portable DVD player machine, makes the portable DVD player machine be in external input service state.The audio output signal of radio broadcasting radio reception circuit outputs to the portable DVD player machine sowing through frequency switch circuit and DVD player interface and emits sound.
The control output end of described microprocessor comprises I
2C control bus output terminal, this I
2C control bus output terminal connects the corresponding control output end of DVD player interface.Make the I of microprocessor
2C control bus output terminal connects the liquid crystal display drive chip of portable DVD player machine inside through the DVD player interface, the portable DVD player machine is realized information screen display (OSD) function, shows the information such as channel selection menu, volume indication, channel on LCDs.
It also has clock control circuit and alphanumeric display, and power circuit is to clock control circuit and alphanumeric display power supply; The output terminal of clock control circuit connects second group of control input end of microprocessor; One group of data output end concatenation character display of microprocessor.Clock control circuit wakes microprocessor up, makes total system enter predefined duty; Or control microprocessor makes total system enter holding state, quits work.Microprocessor control character display shows total system current working state and/or important parameters.
It also has video switch circuit, video i/o port and audio frequency I/O port; Power circuit is powered to video switch circuit; One group of control output end of microprocessor connects the control input end of video switch circuit; The video inputs of the video output terminals of television reception circuit, DVD player interface and the video inputs in the video i/o port are connected three video inputs of video switch circuit respectively, and the video output terminals of DVD player interface and the video output terminals in the video i/o port are connected two video output terminals of video switch circuit respectively; The audio input end of the audio output of the audio output of television reception circuit, radio broadcasting radio reception circuit, the audio input end of DVD player interface and audio frequency I/O port is connected four audio input ends of frequency switch circuit respectively; The audio output of audio frequency I/O port and the audio output of DVD player interface are connected two audio outputs of frequency switch circuit respectively.Also can send control command by the manipulation component control microprocessor by the user, the display screen that makes the video input signals in the video i/o port deliver to the portable DVD player machine through video switch circuit and DVD player interface plays out image; The video output terminals Jiao Give external video equipment that the video output signals of vision signal that portable DVD player machine output transmits through the DVD player interface or television reception circuit is delivered in the video i/o port through video switch circuit is handled.Make audio input signal in the audio frequency I/O port deliver to the portable DVD player machine and play out sound by loudspeaker through frequency switch circuit and DVD player interface; The audio output signal that perhaps makes the audio signal of audio signal that portable DVD player machine output transmits through the DVD player interface or television reception circuit or radio broadcasting radio reception circuit is delivered to audio output in the audio frequency I/O port through frequency switch circuit and is given outer audio equipment and handle.
It also has power amplifier, and power circuit is powered to power amplifier; One group of control output end of microprocessor connects the control input end of power amplifier; The audio output of audio frequency I/O port connects the audio input end of power amplifier; The audio output of power amplifier connects outside audio amplifier.Under the control of microprocessor, the audio signal of portable DVD player machine output is through the DVD player interface, the perhaps audio input signal that provides through audio frequency I/O port of outer audio equipment, the perhaps audio signal of television reception circuit, the perhaps audio output signal of radio broadcasting radio reception circuit amplifies the back by power amplifier and uses the audio amplifier of outside to play back when frequency switch circuit is handed over audio output output in the audio frequency I/O port; Constitute mini home theater.
A kind of and the joining structure of portable DVD player machine is: described housing upper surface is equipped with DVD player interface and three reference columns that are in triangular distribution of plug form, the corresponding interface corresponding matching on the DVD player interface of this plug form and the portable DVD player machine bottom surface.The reference column that distributes with triangle guarantees that the DVD player interface of plug form is correctly located with the corresponding interface on the portable DVD player machine bottom surface and connects.
Suggestion: both sides, described housing upper surface respectively are equipped with one group of grab, corresponding bayonet socket corresponding matching on described grab and the portable DVD player machine bottom surface.Guarantee that with grab the DVD player interface of plug form can arbitrarily not separate with the corresponding interface on the portable DVD player machine bottom surface.
Best: described housing upper surface is equipped with four ejector springs, and the reference column that these four ejector springs and triangle distribute respectively disposes.Hold portable DVD player machine bottom surface with four ejector springs, the DVD player interface of plug form is connected normal incidence with the corresponding interface on the portable DVD player machine bottom surface.
Particularly: described housing upper surface rear side is provided with one to the groove that holds portable DVD player machine external connection battery, and the middle part of a sidewall of this groove is provided with the positioning bar of evagination, and the bottom surface at this groove middle part is provided with an ejector spring; The locating slot corresponding matching of this positioning bar and portable DVD player machine external connection battery outer wall.Utilize the positioning bar and the ejector spring at housing upper groove sidewall middle part to cooperate, simplify the installing and locating of portable DVD player machine on docking station with the locating slot of portable DVD player machine external connection battery outer wall.
The utility model Portable DVD machine extending dock adds take up room manipulation component, microprocessor, television reception circuit, radio broadcasting radio reception circuit and frequency switch circuit very little and that power consumption is very little on the power circuit basis of charger; By the battery charge of DVD player interface to the portable DVD player machine, or to portable DVD player machine power supply and provide see look, the additional function of broadcast listening, make the portable DVD player machine in fixed-sites such as residence or office space, give full play to effectiveness, satisfy the needs of people's daily life; Simple in structure, easy to use.After having increased power amplifier, play the sound of various programs, constitute mini home theater, overcome that the volume that the portable DVD player machine exists because of loudspeaker are little is little, the problem of lower tone, improved people's free life quality with outside audio amplifier.Be equipped with clock control circuit and alphanumeric display, total system can be by user's rule of life work, and duty comes into plain view, and makes whole system operation hommization more.Measure realizations such as reference column location that it distributes by triangle and grab clamping mechanism connect with the portable DVD player machine, guarantee DVD player interface and portable DVD player dynamo-electric be connected accurate with reliably.
Description of drawings
Fig. 1 is the electrical block diagram of an embodiment of the utility model Portable DVD machine extending dock.
Fig. 2 is the electrical block diagram of another embodiment of the utility model Portable DVD machine extending dock.
Fig. 3 is the perspective view of Fig. 2 embodiment.
Fig. 4 is the perspective view of Fig. 2 embodiment rear side.
Fig. 5 is the perspective view that Fig. 2 embodiment and portable DVD player machine are fitted together.
Fig. 6 is the perspective view of ejector spring on Fig. 2 embodiment.
Fig. 7 is the Facad structure synoptic diagram of Fig. 2 embodiment grab.
Fig. 8 is the side structure synoptic diagram of Fig. 2 embodiment grab.
Fig. 9 is the plan structure synoptic diagram of Fig. 2 embodiment grab.
Specific embodiment
One, embodiment one
The circuit structure of an embodiment of the utility model Portable DVD machine extending dock, as shown in Figure 1.This Portable DVD machine extending dock, its electronic circuit part is made up of power circuit 100, DVD player interface 101, manipulation component 102, microprocessor 103, television reception circuit 104, radio broadcasting radio reception circuit 105, frequency switch circuit 106, clock control circuit 107 and alphanumeric display 108.DVD player interface 101, manipulation component 102 and alphanumeric display 108 are installed in the surface of housing, easy to use and observation.Other parts are installed on the interior circuit board of housing.
Corresponding respectively power output end, microprocessor 103, television reception circuit 104, radio broadcasting radio reception circuit 105, frequency switch circuit 106, clock control circuit 107 and the alphanumeric display 108 that connects DVD player interface 101 of power circuit 100 output terminals provides electric energy to them.
The corresponding respectively control input end of power circuit 100 and the one group of control input end of microprocessor 103 of connecting of manipulation component 102.
Second group of control input end of microprocessor 103 connects the output terminal of clock control circuit 107; One group of data output end concatenation character display 108 of microprocessor 103.Control input end, the control input end of radio broadcasting radio reception circuit 105, the control input end of frequency switch circuit 106 and the control output end of DVD player interface 101 of respectively organizing the corresponding respectively connection television reception circuit 104 in control output end of microprocessor 103.The control output end of microprocessor 103 comprises I
2C control bus output terminal, this I
2C control bus output terminal connects the corresponding control output end of DVD player interface 101.
The video output terminals of television reception circuit 104 connects the video output terminals of DVD player interface 101.The audio output of the audio output of television reception circuit 104 and radio broadcasting radio reception circuit 105 is connected two audio input ends of frequency switch circuit 106 respectively; The audio output of frequency switch circuit 106 connects the audio output of DVD player interface 101.
The user enters open state by manipulation component 102 control power circuits 100, to the power supply of portable DVD player machine, to the battery charge of portable DVD player machine; Or shutdown, stop to power to the portable DVD player machine; Also can send control command, make the portable DVD player machine enter televisor or radio state to microprocessor 103.Microprocessor 103 control character displays 108 show total system current working state and/or important parameters.Because the I of microprocessor 103
2C control bus output terminal connects the liquid crystal display drive chip of portable DVD player machine 2 inside through DVD player interface 101, therefore microprocessor 103 can be according to the instruction of user by manipulation component 102 inputs, control portable DVD player machine 2 is realized information screen display (OSD) function, shows the information such as channel selection menu, volume indication, channel on LCDs 22.
Enter the televisor state at the portable DVD player machine, microprocessor 103 control television reception circuits 104 are worked, and send instruction by the control output end of DVD player interface 101 to the portable DVD player machine, make the portable DVD player machine be in external input service state.The audio signal of television reception circuit 104 outputs to the portable DVD player machine sowing through frequency switch circuit 106 and DVD player interface 101 and releases.The picture signal of television reception circuit 104 plays out image through the display screen that DVD player interface 101 outputs to the portable DVD player machine.
At the radio state, microprocessor 103 control radio broadcasting radio reception circuit 105 are worked, and send instruction by the control output end of DVD player interface 101 to the portable DVD player machine, make the portable DVD player machine be in external input service state.The audio output signal of radio broadcasting radio reception circuit 105 outputs to the portable DVD player machine sowing through frequency switch circuit 106 and DVD player interface 101 and emits sound.
Two, embodiment two
The circuit structure of an embodiment of the utility model Portable DVD machine extending dock, as shown in Figure 2.This Portable DVD machine extending dock, its electronic circuit part is made up of power circuit 100, DVD player interface 101, manipulation component 102, microprocessor 103, television reception circuit 104, radio broadcasting radio reception circuit 105, frequency switch circuit 106, clock control circuit 107 and alphanumeric display 108, video switch circuit 109, video i/o port one 10, audio frequency I/O port one 11 and power amplifier 112.DVD player interface 101, manipulation component 102, alphanumeric display 108, video i/o port one 10 and audio frequency I/O port one 11 are installed in the surface of housing 1, easy to use and observation.Other parts are installed on the circuit board in the housing 1.
Corresponding respectively power output end, microprocessor 103, television reception circuit 104, radio broadcasting radio reception circuit 105, frequency switch circuit 106, clock control circuit 107, alphanumeric display 108, video switch circuit 109 and the power amplifier 112 that connects DVD player interface 101 of power circuit 100 output terminals provides electric energy to them.
The corresponding respectively control input end of power circuit 100 and the one group of control input end of microprocessor 103 of connecting of manipulation component 102.
Second group of control input end of microprocessor 103 connects the output terminal of clock control circuit 107; One group of data output end concatenation character display 108 of microprocessor 103.Control input end, the control input end of radio broadcasting radio reception circuit 105, the control input end of frequency switch circuit 106, the control output end of DVD player interface 101, the control input end of video switch circuit 109 and the control input end of power amplifier 112 of respectively organizing the corresponding respectively connection television reception circuit 104 in control output end of microprocessor 103.The control output end of microprocessor 103 comprises I
2C control bus output terminal, this I
2C control bus output terminal connects the corresponding control output end of DVD player interface 101.
The video inputs of the video output terminals of television reception circuit 104, DVD player interface 101 and the video inputs in the video i/o port one 10 are connected three video inputs of video switch circuit 109 respectively, and the video output terminals of DVD player interface 101 and the video output terminals in the video i/o port one 10 are connected two video output terminals of video switch circuit 109 respectively.The audio input end of the audio output of the audio output of television reception circuit 104, radio broadcasting radio reception circuit 105, the audio input end of DVD player interface 101 and audio frequency I/O port one 11 is connected four audio input ends of frequency switch circuit 106 respectively; The audio output of audio frequency I/O port one 11 and the audio output of DVD player interface 101 are connected two audio outputs of frequency switch circuit 106 respectively.The audio output of audio frequency I/O port one 11 also connects the audio input end of power amplifier 112; The audio output of power amplifier 112 connects outside audio amplifier 3.
The surface structure of present embodiment as shown in Figure 3, the front end face of its housing 1 has been installed manipulation component 102 and alphanumeric display 108.Housing 1 upper surface is equipped with DVD player interface 101 and three reference columns that are in triangular distribution 11 of plug form.Both sides, housing 1 upper surface respectively are equipped with one group of grab 12, and the structure of grab 12 is please referring to Fig. 7-9.The body 121 that grab 12 is stamped to form by iron plate, button handsetting 122 and back-moving spring 123 are formed.Body 121 and back-moving spring 123 are installed in housing 1 inside, and two gib heads of body 121 upper ends expose from the via hole of housing 1 upper surface correspondence, and button handsetting 122 is installed on the moving arm that body 121 exposes from the corresponding slotted eye in housing 1 side.Install housing 1 upper surface also has four ejector springs 13, and these four ejector springs 13 respectively dispose with the reference column 11 that triangle distributes.The structure of ejector spring 13 is please referring to Fig. 6.Spring 13 has the sealing cap 131 of plastics, and respectively there is a claw 132 the openend both sides of sealing cap 131, and a newel 133 is extended to openend in the inside of sealing cap 131, and goring push spring 134 is sleeved on newel 133 peripheries.The claw 132 of ejector spring 13 is stuck in the inside surface of housing 1 upper end, sealing cap 131 can only be moved up and down in spring eye and does not come off.Housing 1 upper surface rear side is provided with one to the groove 14 that holds portable DVD player machine 2 external connection batteries 21, and the middle part of these groove 14 rear walls is provided with the positioning bar 15 of evagination, and the bottom surface at these groove 14 middle parts also is provided with an ejector spring 13.
The surface structure of the rear side of present embodiment as shown in Figure 4, the rear end face of its housing 1 is installed the lead-out terminal 1121 of antenna terminal 1051, video i/o port one 10, audio frequency I/O port one 11 and power amplifier 112 of antenna terminal 1041, the radio broadcasting radio reception circuit 105 of power switch 1023 in the manipulation component 102, television reception circuit 104.
The surface structure that present embodiment is placed in the portable DVD player machine as shown in Figure 5.Portable DVD player machine 2 is placed in the upper surface of housing 1, and the external connection battery 21 of portable DVD player machine 2 is contained in the groove 14 of housing 1 upper surface rear side.At this moment, the DVD player interface 101 of plug form and the corresponding interface corresponding matching on portable DVD player machine 2 bottom surfaces.The reference column 11 that triangle distributes inserts the corresponding pilot hole on portable DVD player machine 2 bottom surfaces.The gib head of grab 12 snaps in corresponding bayonet socket on the portable DVD player machine bottom surface.Four ejector springs in the upper surface of housing 1 are held portable DVD player machine 2 bottom surfaces, make the upper surface keeping parallelism of portable DVD player machine 2 bottom surfaces and housing 1, and the DVD player interface 101 of plug form can connect normal incidence with the corresponding interface on portable DVD player machine 2 bottom surfaces.The positioning bar 15 in the housing 1 upper surface rear groove 14 and the locating slot corresponding matching of external connection battery 21 outer walls of portable DVD player machine 2.
The user enters open state by the power switch in the rear end face manipulation component 102 of lower house 1 1023 control power circuits 100, to 2 power supplies of portable DVD player machine, simultaneously to the battery charge of portable DVD player machine 2; Or shutdown, stop to 2 power supplies of portable DVD player machine.The user uses a teleswitch and sends control command by the receiver of remote-control sytem 1021 of the manipulation component 102 of housing 1 front end face installation or each control button 1022 to microprocessor 103, makes portable DVD player machine 2 enter televisor or radio state.Microprocessor 103 control character displays 108 show total system current working state and/or important parameters.The I of microprocessor 103
2C control bus output terminal connects the liquid crystal display drive chip of portable DVD player machine 2 inside through DVD player interface 101, control portable DVD player machine 2 is realized information screen display (OSD) function, shows the information such as channel selection menu, volume indication, channel on LCDs 22.
Enter the televisor state at portable DVD player machine 2, microprocessor 103 control television reception circuits 104 are worked, and send instruction by the control output end of DVD player interface 101 to portable DVD player machine 2, make portable DVD player machine 2 be in external input service state.The picture signal of television reception circuit 104 plays out image through the display screen 22 that video switch circuit 109 and DVD player interface 101 output to portable DVD player machine 2.The audio signal of television reception circuit 104 outputs to portable DVD player machine 2 through frequency switch circuit 106 and DVD player interface 101 and plays back from loudspeaker 23.
At the radio state, microprocessor 103 control radio broadcasting radio reception circuit 105 are worked, and send instruction by the control output end of DVD player interface 101 to portable DVD player machine 2, make portable DVD player machine 2 be in external input service state.The audio output signal of radio broadcasting radio reception circuit 105 outputs to portable DVD player machine 2 through frequency switch circuit 106 and DVD player interface 101 and plays out sound from loudspeaker 23.
The user also can send control command by manipulation component 102 control microprocessor 103, and the display screen 22 that makes the video input signals in the video i/o port one 10 deliver to portable DVD player machine 2 through video switch circuit 109 and DVD player interface 101 plays out image; Perhaps making portable DVD player machine 2 output deliver to video output terminals in the video i/o port through the video output signals of the vision signal of DVD player interface 101 transmission or television reception circuit 104 through video switch circuit 109 gives external video equipment and handles.Making audio input signal in the audio frequency I/O port one 11 deliver to portable DVD player machine 2 through DVD player interface 101 plays back from loudspeaker 23; The audio output signal that perhaps makes the audio signal of audio signal that portable DVD player machine 2 output transmits through DVD player interface 101 or television reception circuit 104 or radio broadcasting radio reception circuit 105 is delivered to audio output in the audio frequency I/O port through frequency switch circuit 106 and is given outer audio equipment and handle.
The user also can send steering order by manipulation component 102 control microprocessor 103, the audio signal that makes 2 outputs of portable DVD player machine is through DVD player interface 101, the audio input signal that outer audio equipment is provided through audio frequency I/O port one 11, perhaps make the audio signal of television reception circuit 104, perhaps make the audio output signal of radio broadcasting radio reception circuit 105, when frequency switch circuit 106 is handed over audio output output in the audio frequency I/O port ones 11, amplify the back and use the audio amplifier 3 of outside to play back by power amplifier 112; Total system constitutes mini home theater.
In time spent not, pull the button handsetting 122 of 1 two side grabs 12 of casing simultaneously, the gib head that makes two grabs 12 corresponding bayonet socket from the portable DVD player machine bottom surface withdraws from.Four ejector springs in the upper surface of housing 1 13 hold up portable DVD player machine 2 bottom surfaces, and the ejector spring 13 in the housing 1 upper surface rear groove 14 holds up external connection battery 21 bottom surfaces of portable DVD player machine 2; Portable DVD player machine 2 bottom surfaces and the upper surface of housing 1 are separated, and the DVD player interface 101 of plug form and the corresponding interface on portable DVD player machine 2 bottom surfaces also break away from voluntarily, just portable DVD player machine 2 can be taken off from the upper surface of housing 1.
The above only is preferred embodiment of the present utility model, does not limit the scope that the utility model is implemented with this, and the equivalence of doing according to the technical solution of the utility model and description changes and modification, all should belong to the scope that the utility model is contained.
Claims (9)
1. Portable DVD machine extending dock, it is characterized in that: manipulation component is housed on its housing and to portable DVD player machine power supply and transmit the DVD player interface of signal, power circuit, microprocessor, television reception circuit, radio broadcasting radio reception circuit and frequency switch circuit is housed in the housing; Corresponding respectively power output end, microprocessor, television reception circuit, radio broadcasting radio reception circuit and the frequency switch circuit that connects the DVD player interface of the output terminal of power circuit; The corresponding respectively control input end of power circuit and the one group of control input end of microprocessor of connecting of manipulation component; Control input end, the control input end of radio broadcasting radio reception circuit, the control input end of frequency switch circuit and the control output end of DVD player interface of respectively organizing the corresponding respectively connection television reception circuit in control output end of microprocessor; The audio output of the audio output of television reception circuit and radio broadcasting radio reception circuit is connected two audio input ends of frequency switch circuit respectively; The video output terminals of television reception circuit and the audio output of frequency switch circuit are connected the corresponding output terminal of DVD player interface respectively.
2. Portable DVD machine extending dock according to claim 1 is characterized in that: the control output end of microprocessor comprises I
2C control bus output terminal, this I
2C control bus output terminal connects the corresponding control output end of DVD player interface.
3. Portable DVD machine extending dock according to claim 2 is characterized in that: it also has clock control circuit and alphanumeric display, corresponding respectively clock control circuit and the alphanumeric display of connecting of power circuit output end; The output terminal of clock control circuit connects second group of control input end of microprocessor; One group of data output end concatenation character display of microprocessor.
4. Portable DVD machine extending dock according to claim 3 is characterized in that: it also has video switch circuit, video i/o port and audio frequency I/O port; The corresponding video switch circuit that connects of power circuit output end; One group of control output end of microprocessor connects the control input end of video switch circuit; The video inputs of the video output terminals of television reception circuit, DVD player interface and the video inputs in the video i/o port are connected three video inputs of video switch circuit respectively, and the video output terminals of DVD player interface and the video output terminals in the video i/o port are connected two video output terminals of video switch circuit respectively; The audio input end of the audio output of the audio output of television reception circuit, radio broadcasting radio reception circuit, the audio input end of DVD player interface and audio frequency I/O port is connected four audio input ends of frequency switch circuit respectively; The audio output of audio frequency I/O port and the audio output of DVD player interface are connected two audio outputs of frequency switch circuit respectively.
5. Portable DVD machine extending dock according to claim 4, it is characterized in that: it also has power amplifier, the corresponding power amplifier that connects of power circuit output end; One group of control output end of microprocessor connects the control input end of power amplifier; The audio output of audio frequency I/O port connects the audio input end of power amplifier; The audio output of power amplifier connects outside audio amplifier.
6. according to claim 1 or 2 or 3 or 4 or 5 described Portable DVD machine extending docks, it is characterized in that: described housing upper surface is equipped with DVD player interface and three reference columns that are in triangular distribution of plug form, the corresponding interface corresponding matching on the DVD player interface of this plug form and the portable DVD player machine bottom surface.
7. Portable DVD machine extending dock according to claim 6 is characterized in that: both sides, described housing upper surface respectively are equipped with one group of grab, corresponding bayonet socket corresponding matching on described grab and the portable DVD player machine bottom surface.
8. Portable DVD machine extending dock according to claim 7 is characterized in that: described housing upper surface is equipped with four ejector springs, and the reference column that these four ejector springs and triangle distribute respectively disposes.
9. Portable DVD machine extending dock according to claim 8, it is characterized in that: described housing upper surface rear side is provided with one to the groove that holds portable DVD player machine external connection battery, the middle part of a sidewall of this groove is provided with the positioning bar of evagination, and the bottom surface at this groove middle part is provided with an ejector spring; The locating slot corresponding matching of this positioning bar and portable DVD player machine external connection battery outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520083021 CN2796021Y (en) | 2005-05-08 | 2005-05-08 | Portable DVD machine expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520083021 CN2796021Y (en) | 2005-05-08 | 2005-05-08 | Portable DVD machine expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2796021Y true CN2796021Y (en) | 2006-07-12 |
Family
ID=36813773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520083021 Expired - Fee Related CN2796021Y (en) | 2005-05-08 | 2005-05-08 | Portable DVD machine expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2796021Y (en) |
-
2005
- 2005-05-08 CN CN 200520083021 patent/CN2796021Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Malata Technology Co., Ltd. Assignor: Wanlida Group Co., Ltd. Contract fulfillment period: 2008.9.30 to 2015.5.7 Contract record no.: 2008350000208 Denomination of utility model: Portable DVD machine expander Granted publication date: 20060712 License type: Exclusive license Record date: 20081126 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.9.30 TO 2015.5.7; CHANGE OF CONTRACT Name of requester: NANJING WANLIDA SCIENCE CO., LTD. Effective date: 20081126 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060712 Termination date: 20140508 |