CN1571063A - A laser disk player capable of reading card - Google Patents
A laser disk player capable of reading card Download PDFInfo
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- CN1571063A CN1571063A CN 200410022393 CN200410022393A CN1571063A CN 1571063 A CN1571063 A CN 1571063A CN 200410022393 CN200410022393 CN 200410022393 CN 200410022393 A CN200410022393 A CN 200410022393A CN 1571063 A CN1571063 A CN 1571063A
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Abstract
This invention discloses a kind of card-reading laser player, which comprises user interface device, controller, decoder, signal selector, and card reader. The user interface device used for processing user's command; the controller used for controlling the card reader to play the signal in the memory card; the decoder used for play the VCD signal, and the signal selector used for switch between two kinds of signal. This invention can be applied for the laser player, especially portable DVD. It can read many kinds of memory card, and the operation function of memory card can be fully realized.
Description
Affiliated technical field
The present invention relates to a kind of VCD player, particularly relate to a kind of VCD player that can Card Reader.
Background technology
Along with popularizing rapidly of digital camera, MP3, the use of memory card is more and more general.VCD player also is the electrical home appliances that users often use, and therefore have many consumers to wish that VCD player not only can play the programme content in the videodisc, and the picture of storing in the memory card, music also can be play.Present common way is to utilize the ATAPI interface of DVD decoding chip, and the compatibility of process decoding chip software realizes the read operation to the CF card.And the kind of memory card is more and more at present, and this is a kind of to be far above the CF card, and therefore this implementation is having limitation aspect the kind of Card Reader; On the other hand, owing to be to realize with compatible mode, therefore this way also has limitation on the memory card operating function.
Summary of the invention
Purpose of the present invention just provides a kind of multiple memory card and also more intense VCD player of memory card operating function of can read.
The object of the present invention is achieved like this, in the VCD player of this Card Reader, includes signal selector 1, card reader 2, demoder 3, controller 4, user's interface device 5.When the user passes through user's interface device 5, when the optic disk signal is read in selection, 4 pairs of these user commands that receive from user's interface device 5 of controller are handled, send control signal to demoder 3 then, make audio-video signal in demoder 3 work and the output optic disk in signal selector 1, controller 4 also sends switching signal to signal selector 1 simultaneously, and signal selector 1 is selected output according to this switching signal with the audio-video signal in the optic disk; When the user passes through user's interface device 5, when selecting the reading memory card signal, 4 pairs of these user commands that receive from user's interface device 5 of controller are handled, send control signal to card reader 2 then, make card reader 2 work, the audio-video signal in the output memory card is delivered in the signal selector 1, controller also sends switching signal to signal selector 1 simultaneously, and signal selector 1 is selected output according to this switching signal with the audio-video signal in the memory card; 5 while of user's interface device process user is to the operational order of memory card, and give controller 4, controller 4 is processed into the control command that card reader 2 can be discerned with these operational orders, and gives card reader 2, makes the needed audio-video signal of card reader 2 output users.
Because in the present invention, be to have incorporated a special card reader, therefore be easy to realize reading of multiple memory card, and operating function to memory card, the on the one hand original special function of card reader own can be done more intensely, on the other hand because the VCD player button is more, therefore after both merge, a lot of functions of former card reader, the a lot of function buttons that can use VCD player are as the direct election shortcut, the user is operated easily, even use some keys, form some new functions of former card reader inconvenience definition.
Description of drawings
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a system chart of the present invention.
Fig. 2 is the circuit block diagram of present embodiment.
Embodiment
In Fig. 1, illustrated that the present invention increases system's composition and control linkage relation of card-reading function to general VCD player.
Because the removable carry-on use of this VCD player of portable DVD player has the bigger TFT display screen of size again, therefore increasing card-reading function just is more suitable for user's request.Present embodiment is that example describes with the portable DVD player.
As Fig. 2, the user can select to read information in optic disk or the memory card by telepilot 11, user's interface device 5 can receive this order, certainly user's this selection also can be by being undertaken by these switches in the user's interface device 5, and user's interface device 5 is given controller 4 with teleswitch order or the order of this switch.
The user is an optic disk as if what select, controller just sends control signal to demoder 3 so, make demoder 3 work, audio-video signal in the output optic disk, deliver in the signal selector 1, controller 4 also sends switching signal to signal selector 1 simultaneously, and signal selector 1 is selected output according to this switching signal with the audio-video signal in the optic disk.The vision signal of output offers TFT and shows that 6 carry out the image demonstration, and the sound signal of output offers power amplifier 8 and carries out power amplification, promotes loudspeaker 7 and sounds.
The user is a Card Reader as if what select, controller just sends control signal to card reader 2 so, make card reader 2 work, audio-video signal in the output memory card, deliver in the signal selector 1, controller 4 also sends switching signal to signal selector 1 simultaneously, and signal selector 1 is selected output according to this switching signal with the audio-video signal in the memory card.The vision signal of output offers TFT and shows that 6 carry out the image demonstration, and the sound signal of output offers power amplifier 8 and carries out power amplification, promotes loudspeaker 7 and sounds.
Control signal form between card reader 2 and the controller 4 can be I
2C or three buses etc. adopt the remote signal coded pulse in the present embodiment, can save a mouthful line like this, are convenient to independent debugging.For guaranteeing the reliability of Control on Communication, also increased an acknowledge signal line ACK, when controller 4 sends control signal to card reader 2, after card reader 2 was received, card reader 2 was beamed back a confirmation signal by this acknowledge signal line ACK to controller 4.
Between this card reader 2 and controller 4, also be connected with a state-detection index line DET, when card reader 2 detections have memory card to connect, DET sends a level signal by this state-detection index line, controller 4 is sent a drive signal according to this level signal makes pilot lamp bright, and card reader 2 is superimposed with the osd screen shows signal that memory card connects in the vision signal of its output simultaneously; When card reader detection memory card does not connect, DET sends another level signal by this state-detection index line, controller 4 is sent a drive signal according to this level signal goes out pilot lamp, and card reader 2 is superimposed with the osd screen shows signal that does not have memory card to connect in the vision signal of its output simultaneously; When card reader detects memory card by read-write, DET sends a pulse signal by this state-detection index line, controller 4 is sent a drive signal according to this pulse signal and is made the pilot lamp flicker, and card reader 2 is superimposed with the osd screen shows signal that memory card being is is being read and write in the vision signal of its output simultaneously.The user can be well understood to the state of memory card by pilot lamp like this, owing to also have osd screen to show synchronously on the TFT display screen, therefore just more cheer and bright, the user just is difficult for removing to pull out card when reading and writing data, thereby has just reduced the damage to data in the card.Because therefore controlled device 4 controls of this pilot lamp not when card reading status, can be done other functional status indications and use.
Also include synchronizing indicator 9 in Fig. 2, the vision signal of signal selector 1 output is delivered in this synchronizing indicator 9; When the user does not for a long time operate by user's interface device 5, demoder 3 or card reader 2 are also turned off its video output signals when entering the dormancy duty; The vision signal of signal selector 1 output has also been turned off like this, synchronizing indicator 9 is just sent the detection level that expression does not have synchronizing signal, offer controller 4, controller 4 is just controlled whole video disc player and is entered dormant state, in the present embodiment, power amplifier and loudspeaker are turned off, turn off particularly that the power consumption ratio is bigger TFT display part, so just save the energy, avoided the waste of battery.
In the card reader 2, also include recording device, the picture that the user selects in the memory card by interface arrangement 5, record by recording device then, the recording deposit data is in described memory card, and should record data and this picture of card reader associates, and card reader 2 is when this picture of follow-up play, the reduction of data of should recording becomes sound signal, exports synchronously with the vision signal of this picture.This just is equivalent to user oneself can dub to picture, and can note for a long time, thereby enjoys for the user with good amusement.
In the present embodiment, utilized the original general DVD function button of user's interface device 5 and telepilot 11 to make the user operate card reader 2 easily, for example under card reading status:
The angle key: whenever press once, picture revolves and turn 90 degrees
The programming key: the user can choose picture and play in regular turn
Repeat key: the picture in the memory card can loop play
The A-B key: it is the interval interior repeat playing of end points that the user can be chosen at two pictures.
Claims (7)
1, a kind of VCD player of Card Reader comprises user's interface device (5), controller (4), demoder (3), it is characterized in that:
Also include signal selector (1), card reader (2);
When the user passes through user's interface device (5), when the optic disk signal is read in selection, controller (4) is handled this user command that receives from user's interface device (5), send control signal to demoder (3) then, make audio-video signal in demoder (3) work and the output optic disk in signal selector (1), controller (4) also sends switching signal to signal selector (1) simultaneously, and signal selector (1) is selected output according to this switching signal with the audio-video signal in the optic disk;
When the user passes through user's interface device (5), when selecting the reading memory card signal, controller (4) is handled this user command that receives from user's interface device (5), send control signal to card reader (2) then, make card reader (2) work, audio-video signal in the output memory card, deliver in the signal selector (1), controller also sends switching signal to signal selector (1) simultaneously, and signal selector (1) is selected output according to this switching signal with the audio-video signal in the memory card; User's interface device (5) while process user is to the operational order of memory card, and give controller (4), controller (4) is processed into the control command that card reader (2) can be discerned with these operational orders, and give card reader (2), make the needed audio-video signal of card reader (2) output user.
2, the VCD player of a kind of Card Reader according to claim 1 is characterized in that: the described control signal that controller (4) is sent to card reader (2) is the remote signal coded pulse.
3, the VCD player of a kind of Card Reader according to claim 2 is characterized in that:
Also be connected with an acknowledge signal line ACK between card reader (2) and the controller (4), when controller (4) sends control signal to card reader (2), after card reader (2) was received, card reader (2) was beamed back a confirmation signal by this acknowledge signal line ACK to controller (4).
4, the VCD player of a kind of Card Reader according to claim 3 is characterized in that:
Also be connected with a state-detection index line DET between card reader (2) and the controller (4), when the card reader detection has memory card to connect, DET sends a level signal by this state-detection index line, controller (4) is sent a drive signal according to this level signal makes pilot lamp bright, and card reader (2) is superimposed with the osd screen shows signal that memory card connects in the vision signal of its output simultaneously; When card reader detection memory card does not connect, DET sends another level signal by this state-detection index line, controller (4) is sent a drive signal according to this level signal goes out pilot lamp, and card reader (2) is superimposed with the osd screen shows signal that does not have memory card to connect in the vision signal of its output simultaneously; When card reader detects memory card by read-write, DET sends a pulse signal by this state-detection index line, controller (4) is sent a drive signal according to this pulse signal and is made the pilot lamp flicker, and card reader (2) is superimposed with the osd screen shows signal that memory card being is is being read and write in the vision signal of its output simultaneously.
5, the VCD player of a kind of Card Reader according to claim 1 is characterized in that:
Controller (4) is stored in the user setup data of the relevant card reader (2) that the user is undertaken by user's interface device (5) in the storer (12), in card reader (2) when restarting work, controller (4) is read this user setup data from storer (12), send control signal to card reader (2) then, make card reader (2) state is set and carry out work according to this user.
6, the VCD player of a kind of Card Reader according to claim 1 is characterized in that:
Also include synchronizing indicator (9), the vision signal of described signal selector (1) output is delivered in this synchronizing indicator (9); When the user does not for a long time operate by user's interface device (5), demoder (3) or card reader (2) are also turned off its video output signals when entering the dormancy duty; The vision signal of described like this signal selector (1) output has also been turned off, and synchronizing indicator (9) is just sent the detection level that expression does not have synchronizing signal, offers controller (4), and controller (4) is just controlled whole video disc player and entered dormant state.
7, the VCD player of a kind of Card Reader according to claim 1 is characterized in that:
In described card reader (2), also include recording device, the user is by a picture in user's interface device (5) the selection memory card, record by recording device then, the recording deposit data is in described memory card, and should record data and this picture of card reader (2) associates, and card reader (2) is when this picture of follow-up play, the reduction of data of should recording becomes sound signal, exports synchronously with the vision signal of this picture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410022393 CN1571063A (en) | 2004-04-25 | 2004-04-25 | A laser disk player capable of reading card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410022393 CN1571063A (en) | 2004-04-25 | 2004-04-25 | A laser disk player capable of reading card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1571063A true CN1571063A (en) | 2005-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410022393 Pending CN1571063A (en) | 2004-04-25 | 2004-04-25 | A laser disk player capable of reading card |
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| Country | Link |
|---|---|
| CN (1) | CN1571063A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100386713C (en) * | 2005-03-10 | 2008-05-07 | 联发科技股份有限公司 | Method and apparatus for controlling a user interface of a consumer electronic device |
-
2004
- 2004-04-25 CN CN 200410022393 patent/CN1571063A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100386713C (en) * | 2005-03-10 | 2008-05-07 | 联发科技股份有限公司 | Method and apparatus for controlling a user interface of a consumer electronic device |
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