CN2495015Y - Combined acoustic equipment with function of compatible playing and multiple copying disc - Google Patents
Combined acoustic equipment with function of compatible playing and multiple copying disc Download PDFInfo
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- CN2495015Y CN2495015Y CN01253085U CN01253085U CN2495015Y CN 2495015 Y CN2495015 Y CN 2495015Y CN 01253085 U CN01253085 U CN 01253085U CN 01253085 U CN01253085 U CN 01253085U CN 2495015 Y CN2495015 Y CN 2495015Y
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Abstract
The utility model discloses a music center equipped with the function of multi-play and transcribing CD, which is characterized in that: a control electrocircuit for identifying and reading the signal comprises a magnifying unit for producing and servo the radio signal and a digital signal and signal servo and treatment unit; a laser head is bidirectionally connected with the magnifying unit for producing and servo the radio signal; the magnifying unit for producing and servo the radio signal is also bidirectionally connected with the digital signal and signal servo and treatment unit; the audio frequency signal created from the digital signal and signal servo and treatment unit is connected with a project unit; besides, the digital signal and signal servo and treatment unit also produces a tracking and controlling signal and a focalizing controlling signal as well as a main axis controlling signal and a focalizing controlling signal, which are respectively connected with a fan-out port of a driving controlling unit. The utility model integrates the function for multi-play and transcribing CD with the sound product together so as to make the sound effect of the transcribed CD be exerted more enough and faultlessly.
Description
Technical field
The utility model relates to the combination audio body, relates in particular to a kind of compatible combination audio body of playing the function of imprinting CDs that has.
Background technology
CD burning is the universal emerging product that arises at the historic moment along with Internet.It has high capacity recording of information and preservation, and security is reliable, long and low-cost characteristics of holding time.The utilization scope is from the design of advertisement, to education with animation display function, and literature and art, physical culture, many fields such as the lives of the people and the imprinting of absolute music form.Along with Internet is continuous from now on, sound development will have the more network user can enjoy to the full from the internet music site and download the music of being liked, as MP3 etc., and by the imprinting broadcast of being regenerated.But because the standard of existing imprinting technology is various, therefore the CD of playing imprinting must be special machine, for example: it is (new that computer can read and play sound dish, part import and homemade DVD video disc player, Bubukao, Malata etc.) has the audio frequency playing function of imprinting CDs, but have the still blank of audio frequency imprinting light playing function in the acoustic product, existing power amplifier for example model is that FS-SD5/7/9 is the combination audio product that only possesses CD dvd playback and frequency modulation/amplitude modulation function of radio receiver.So just large quantities of song fans are refused on the net outside the music.
Goal of the invention
The purpose of this utility model be for overcome existing sound equipment can not play the shortcoming of imprinting CDs and provide a kind ofly can play the music of general read-only optical disc, have a combination audio body of playing the function of imprinting CDs simultaneously.
The purpose of this utility model is achieved in that to have the compatible combination audio of playing the function of repeatedly imprinting CDs, comprising: casing, be located at the operating key on the casing, the driving control unit that is located at main shaft, holding tray motor, laser head, driving dvd playback and signal controlling in the casing, identification and read the control circuit of signal and read the power amplification unit that the output terminal of the control circuit of signal is connected with this identification; Described driving control unit output two paths of signals, one tunnel driving that tracks is connected with laser head with focus drive signal, and another road main shaft drives is connected with holding tray motor with main shaft with the pallet drive signal; Be characterized in that the control circuit that signal is read in described identification comprises that a radiofrequency signal produces servo amplification unit, a digital signal and digital servo processing unit; Described laser head and radiofrequency signal produce that servo amplification unit is two-way to be connected; Described radiofrequency signal produces servo amplification unit and also is connected with the digital servo processing unit is two-way with digital signal, wherein: the balanced signal that tracks, focuses on of digital signal and digital servo processing unit output is connected with the input end that radiofrequency signal produces servo amplification unit, and track rub-out signal, the identification signal of imprinting CDs and radiofrequency signal of the focusing of radiofrequency signal generation servo amplification unit generation is connected with the corresponding input end of digital servo processing unit with digital signal respectively; Described digital signal is connected with power amplifier unit with the sound signal that the digital servo processing unit produces, and it also produces the control that tracks and is connected with the input end of driving control unit respectively with focus control signal with focus control signal and main shaft control.
Above-mentioned have a compatible combination audio of playing the function of repeatedly imprinting CDs, and wherein, described radiofrequency signal produces servo amplification unit and mainly is made of an ic chip.
Above-mentioned have a compatible combination audio of playing the function of repeatedly imprinting CDs, and wherein, described digital signal and digital servo processing unit mainly are made of an ic chip.
Because the utility model has adopted above technical scheme, the playing function of will imprinting CDs organically combines with acoustic product and combines together, makes the acoustics of being imprinted CDs be able to fully, ideally reproduce.Just can solve the problem of broadcast and power amplifier as long as the friend of delight in music purchases a sound equipment, a tractor serves several purposes had both been saved user's cost, saved the space of place apparatus again.
Description of drawings
Concrete structure of the present utility model is further provided by following embodiment and accompanying drawing thereof.
Fig. 1 is a surface structure synoptic diagram of the present utility model.
Fig. 2 is an electric functional-block diagram of the present utility model.
Fig. 3 is the circuit diagram that radiofrequency signal of the present utility model produces servo amplification unit circuit and driving control unit circuit.
Fig. 4 is digital signal of the present utility model and digital servo processing unit circuit diagram.
Embodiment
See also Fig. 1.The utlity model has the compatible combination audio of playing the function of repeatedly imprinting CDs, comprising: casing 1, be located at operating key 2 on the machine shell panel, be located at main shaft 3, pallet 4, holding tray motor, laser head 5, the driving control unit 6 that drives dvd playback and signal controlling, identification in the casing and read the control circuit 7 of signal and read the power amplification unit 8 that the output terminal of the control circuit of signal is connected with this identification.
See also Fig. 2, driving control unit 6 output two paths of signals, one tunnel driving that tracks is connected with laser head 5 with focus drive signal, and another road main shaft drives is connected with holding tray motor with main shaft 3 with the pallet drive signal; The control circuit 7 that signal is read in identification comprises that a radiofrequency signal produces servo amplification unit 71, a digital signal and digital servo processing unit 72.Laser head 5 produces 71 two-way connections of servo amplification unit with radiofrequency signal, wherein: the laser tube voltage 511 of laser head and radiofrequency signal produce servo amplification unit 71 and are connected, and A, B, C, D4 road focused light signal and E, the F2 road that radiofrequency signal the produces servo amplification unit 71 outputs light signal that tracks converts electric signal 711 to and arrives laser head; Radiofrequency signal produce servo amplification unit 71 also with digital signal and 72 two-way connections of digital servo processing unit, wherein: the balanced signal 721 that tracks, focuses on of digital signal and digital servo processing unit output is connected with the input end that radiofrequency signal produces servo amplification unit 71, and track rub-out signal 712, the identification signal of imprinting CDs 713 and radiofrequency signal 714 of the focusing of radiofrequency signal generation servo amplification unit 71 generations is connected with digital servo processing unit 72 corresponding input ends with digital signal respectively.Digital signal is connected with power amplifier unit 8 with the sound signal 722 (left side/R channel) that digital servo processing unit 72 produces, it also produces track control and focus control signal 723 and main shaft and controls to advance/deliver from godown control signal 724 with pallet and be connected with the input end of driving control unit 6 respectively, driving control unit 6 output two paths of signals, one tunnel track drive signal 611, focus drive signal 612 reads signal to laser head, and another road main shaft drives signal 613, pallet drive signal 614 arrive.
See also Fig. 3, and please cooperate and consult Fig. 4～Fig. 6.The utility model owing to increased is imprinted CDs reads the sheet function, in the formation of circuit, increased the semaphore of the A.B.C.D.E.F in the CD playing program, and changed the amplification quantity of FE, the TE focusing and the error correction signal that tracks, improved reading capability and control accuracy data of optical disk.Since the reflected signal of imprinting CDs a little less than, aspect the circuit of signal and data read, adopted novel RF to amplify servo processing ic chip 601, its model for example is AN22000A, and purpose is to improve the data-signal processing power and the control accuracy of imprinting CDs.Adopt built-in 32KROM (ROM (read-only memory)) simultaneously, the monolithic integrated package of 1K RAM (random access memory) internal memory, and the burned program of identification automatically that is fit to imprint CDs, with the common CD CD of identification in broadcast with imprint CDs, and strengthen anti-interference to the dry sound of high frequency.
Digital signal and digital servo processing unit mainly are made of ic chip IC603 (for example model is MN662748RPMFA).The use of IC603 integrated package can improve the precision and the response speed of digital processing, helps the control and treatment to the signal of imprinting CDs, and it is really played read, play and control the effect of imprinting CDs.
The A.B.C.D.E.F signal that the utility model laser head reads, process reduces R6205, the R6204 after the resistance,, R6208, R6206 resistance, signal enters RF immediately, servo amplification integrated block IC 601 this moment (AN22000A) portion is within it being brought into play the effect of amplifying and relatively waiting processing.Come detection signal by 23, the 20 pin output focusing mistake of this ic chip and the mistake that tracks then.Signal enters IC603 (MN662748RPMFA) ic chip through closing with R6007, R6019, R6009, R6020 resistance lotus root, carry out error correction control, control signal is exported by 30,31 pin then, again through R6005, R6006 resistance, 25,26 pin that C6015, C6016 electric capacity enter the IC601 integrated package go to carry out signal Processing, and the RF of IC601 integrated package output simultaneously signal exports 44 pin of IC603 integrated package to through 8 pin.
CD is exported through divider resistance R6204, R6205 by 24 pin of IC601 integrated package with the amplification control of the signal of imprinting CDs and links to each other with input end 62 pin of IC603 integrated package, the value of magnification of CD is determined by R6205 resistance, the value of magnification of imprinting CDs is by the decision of R6204 resistance, thus the broadcast of carrying out CD and imprinting CDs.Be connected laser head and IC601 integrated package 29,30 and 31,32 between resistance R 6028, R6026 and be connected laser head and 27,28 pin of IC601 integrated package between R6025, R6024, can adjust the processing amplification quantity of imprinting CDs, the processing of the imprinting CDs amplification that the value of resistance diminishes and helps small-signal.The use of IC601 digital servo signal Processing integrated package has improved precision and signal handling capacity that signal amplifies, change the value of R6007 resistance and C6019, R6009, C6020, R6005, R6006, C6015, C6016 electric capacity simultaneously, can improve focusing, accuracy of detection that tracks and digital servo control accuracy, thus help the control that weak signal is imprinted CDs.
Drive control signal of the present utility model unit is made of ic chip IC602 (for example model is LA6541-X), cooperates referring to Fig. 5, and it drives CD and the broadcast and the signal controlling of imprinting CDs.Enter this IC602 chip through focusing, the tracking control signals therefor of 27,28 pin of IC603 chip output and remove to control laser head, correctly read the CD CD or the signal of imprinting CDs, drive playing program and play thereby adjust signal.
Claims (3)
1, has the compatible combination audio of playing the function of repeatedly imprinting CDs, comprising: casing, be located at the operating key on the casing, the driving control unit that is located at main shaft, holding tray motor, laser head, driving dvd playback and signal controlling in the casing, identification and read the control circuit of signal and read the power amplification unit that the output terminal of the control circuit of signal is connected with this identification; Described driving control unit output two paths of signals, one tunnel driving that tracks is connected with laser head with focus drive signal, and another road main shaft drives is connected with holding tray motor with main shaft with the pallet drive signal; It is characterized in that the control circuit that signal is read in described identification comprises that a radiofrequency signal produces servo amplification unit, a digital signal and digital servo processing unit; Described laser head and radiofrequency signal produce that servo amplification unit is two-way to be connected; Described radiofrequency signal produces servo amplification unit and also is connected with the digital servo processing unit is two-way with digital signal, wherein: the balanced signal that tracks, focuses on of digital signal and digital servo processing unit output is connected with the input end that radiofrequency signal produces servo amplification unit, and track rub-out signal, the identification signal of imprinting CDs and radiofrequency signal of the focusing of radiofrequency signal generation servo amplification unit generation is connected with the corresponding input end of digital servo processing unit with digital signal respectively; Described digital signal is connected with power amplifier unit with the sound signal that the digital servo processing unit produces, and it also produces the control that tracks and is connected with the input end of driving control unit respectively with focus control signal with focus control signal and main shaft control.
2, according to claim 1 have a compatible combination audio of playing the function of repeatedly imprinting CDs, it is characterized in that described radiofrequency signal produces servo amplification unit and mainly is made of an ic chip.
3, according to claim 1 have a compatible combination audio of playing the function of repeatedly imprinting CDs, it is characterized in that described digital signal and digital servo processing unit mainly are made of an ic chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01253085U CN2495015Y (en) | 2001-08-15 | 2001-08-15 | Combined acoustic equipment with function of compatible playing and multiple copying disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01253085U CN2495015Y (en) | 2001-08-15 | 2001-08-15 | Combined acoustic equipment with function of compatible playing and multiple copying disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2495015Y true CN2495015Y (en) | 2002-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01253085U Expired - Fee Related CN2495015Y (en) | 2001-08-15 | 2001-08-15 | Combined acoustic equipment with function of compatible playing and multiple copying disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2495015Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101488351B (en) * | 2008-01-14 | 2011-07-27 | 鸿富锦精密工业（深圳）有限公司 | Optical disc playing device and motor controlling method thereof |
-
2001
- 2001-08-15 CN CN01253085U patent/CN2495015Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101488351B (en) * | 2008-01-14 | 2011-07-27 | 鸿富锦精密工业（深圳）有限公司 | Optical disc playing device and motor controlling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |