CN2312472Y - Loudspeaker device of notebook like computer - Google Patents
Loudspeaker device of notebook like computer Download PDFInfo
- Publication number
- CN2312472Y CN2312472Y CN 97220281 CN97220281U CN2312472Y CN 2312472 Y CN2312472 Y CN 2312472Y CN 97220281 CN97220281 CN 97220281 CN 97220281 U CN97220281 U CN 97220281U CN 2312472 Y CN2312472 Y CN 2312472Y
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- CN
- China
- Prior art keywords
- mobile computer
- speaker system
- alt
- bass
- speaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a loudspeaker device of a notebook type computer, which is characterized in that the loudspeaker device of a notebook type computer comprises a multi-sound-circuit loudspeaker circuit, at least one set of full diapason loudspeaker system which can display alt effect and at least one set of low diapason loudspeaker system which can display bass effect; the loudspeaker device of a notebook type computer can divide an audio frequency band into a plurality of sections, and matches different audio frequency with different loudspeaker systems. Therefore, sound quality can be improved. The utility model can display good alt effect as well as good bass effect. Thereby, the utility model can obtain good sound quality.
Description
The utility model relates to a kind of loudspeaker, particularly relates to a kind of device in mobile computer and can have the speaker unit of the mobile computer of splendid sound quality.
The external form of general mobile computer is compact, to make things convenient for the user to carry, therefore it is very limited that mobile computer can install the space of loudspeaker, as shown in Figure 1, mobile computer 10 is made up of a liquid crystal screen display 11 and a main frame 12, when in this mobile computer 10 loudspeaker being set, all is directly one group of loudspeaker 13 monomer arbitrarily to be installed in this main frame 12, but it also has following shortcoming:
1. but the range of general mankind's awareness sound is 20Hz～20KHz, but only relying on one group little loudspeaker monomer 13 also can't contain whole frequency band actually, add the loudspeaker of device in this mobile computer 10 and mostly be medium and high pitch loudspeaker, its audio frequency that can represent is usually more than 600Hz, therefore when using this mobile computer 10, the user can the sense of hearing to mostly be alt more than the 600Hz, as for the bass below the 600Hz, then because of existing can not showing of lacking of this loudspeaker 13, so just can't hear, yet, the sound of the general institute energy sense of hearing must be high pitch, middle pitch and bass have both, just can be called preferable sound quality, that is to say, the loudspeaker monomer 13 of mobile computer 10 can't provide preferable sound quality in the past.
2. this loudspeaker monomer 13 is because of with the forward and backward acoustic isolation of monomer internal vibration cone, so that the forward and backward sound that sends of monomer is interfered mutually, make it to exist the shortcoming of the best efficiency that can't bring into play this loudspeaker monomer 13.
The purpose of this utility model is to provide a kind of speaker unit of improved mobile computer, and it can solve the shortcoming that can only show the alt effect in the prior art, thereby makes its sound that sends have splendid sound quality and auditory effect.
The purpose of this utility model is achieved in that a kind of speaker unit of mobile computer, it is characterized in that: comprise a multitone road speaker circuit, at least one group of full-range speaker system and low range speaker system, this multitone road speaker circuit can be divided into several sections with voiced band, then, use the loudspeaker of one group of frequency range special use at each section, can improve the quality of sound, this full-range speaker system can show good alt effect, should low range speaker system then can show good bass effect, and can make mobile computer show splendid sound quality by the speaker unit of above-mentioned contexture.
The utility model is owing to install at least one group full-range speaker system 30 and low range speaker system 40 in mobile computer 50, and be provided with a multitone road speaker circuit 20, so when source of sound enters, voiced band can be divided into several sections by this multitone road speaker circuit 20, again with different different full-range speaker system 30 or the low range speaker systems 40 of audio section configuration, after making the alt of source of sound and bass all be able to fully performance, just can hear splendid sound effect with alt and bass.
Embodiment by following speaker unit to the utility model mobile computer can more specifically understand the purpose of this utility model, architectural feature and advantage in conjunction with the description of its accompanying drawing.Wherein, accompanying drawing is:
Fig. 1 is the perspective view of prior art mobile computer.
Fig. 2 is the schematic flow sheet according to multitone road speaker circuit in the speaker unit of the mobile computer that the utility model proposes.
Fig. 3 is the synoptic diagram according to full-range speaker system in the speaker unit of the mobile computer that the utility model proposes.
Fig. 4 is the synoptic diagram according to low range speaker system in the speaker unit of the mobile computer that the utility model proposes.
Fig. 5 is according to the structural representation that uses speaker unit in the speaker unit of the mobile computer that the utility model proposes.
Fig. 6 is according to the structural representation that uses speaker unit among another embodiment of speaker unit of the mobile computer that the utility model proposes.
Shown in Fig. 2,5, the speaker unit of mobile computer of the present utility model comprises a multitone road speaker circuit 20, at least one group full-range speaker system 30 and low range speaker system 40, this multitone road speaker circuit 20 and full-range speaker system 30 devices are in the main frame 51 of a mobile computer 50, and this low range speaker system 40 can be installed other positions or outside a certain position in this mobile computer 50.
As shown in Figure 2, this multitone road speaker circuit 20 can make source of sound in regular turn by an audio frequency wafer 21 and a partial device 22, again respectively by note amplifier 23, a full-range speaker system 30 and a low-pass filter 24, then, sound by this low-pass filter 24 is again through a note amplifier 25, and enter in this low range speaker system 40 and can engage with this full-range speaker system 30, again by behind the mixer 26, just speaker unit can be constituted, and splendid sound effect can be obtained.This multitone road speaker circuit 20 mainly is voiced band to be divided into most sections (being alt frequency and bass), give the speaker system 30 of each audio section cooperation again with this frequency range special use, 40, just can improve the quality of sound, with present embodiment, part-frequency point can be selected in 600Hz, that is to say that the audio frequency that is higher than this part-frequency point promptly disposes into this full-range speaker system 30, therefore the then configuration that is lower than the audio frequency of this part-frequency point goes into this low range speaker system 40, makes the utlity model has to show high pitch simultaneously, the effect of the splendid sound quality of middle pitch and bass.
As shown in Figure 3, this full-range speaker system 30 is made up of with its audio amplifier 32 at least one group loudspeaker monomer 31, and be connected with a stature 33 and can be connected to the default hole (figure does not show) of this main frame 51, this audio amplifier 32 has the characteristic of the gamut frequency response curve that can give full play to loudspeaker monomer 31, and (frequency response curve is steady more, hearer's the sense of hearing is comfortable more), in acoustic characteristic, the lowest resonance frequency value (fO) of this full-range speaker system 30 is 600Hz, though bass effect is performed poor, has the function that can show good alt effect.
As shown in Figure 4, should low range speaker system 40 be formed by at least one a loudspeaker monomer 41 and an audio amplifier 42, cooperate shown in Figure 5, this low range speaker system 40 also is connected with one can be located at the hole 53 that this mobile computer 50 is preset, 55 43, this audio amplifier 42 has the characteristic of the low range frequency response curve that can give full play to this loudspeaker monomer 41, and in acoustic characteristic, the lowest resonance frequency value (fO) that should hang down range speaker system 40 is about 300Hz, so have the effect that to emphasize bass, that is to say that this low range speaker system 40 has the function that can show good bass effect.
Shown in Fig. 5,6, during assembling, need only be with this full-range speaker system 30 by in the hole (figure does not show) of presetting by its 33 main frame 51 that is located at this mobile computer 50, and will hang down range speaker system 40 and 43 be located in the default hole 53,55 of this mobile computer 50 by it, just can finish assembling, certainly, also can will should low range speaker system 40 install in main frame 51 inside.In addition, because of should low range speaker system 40 having direction-free characteristic, thus also can be in the expanded structure body 52 of this mobile computer 50 with its any device, or it is external to see through the mode of outside line (Line-Out).
As shown in Figure 2, enter the audio frequency wafer 21 of this multitone road speaker circuit 20 when source of sound after, can enter this partial device 22, then, this source of sound will be set as alt frequency and two audio frequency of bass (being to be part-frequency point with 600Hz in the present embodiment) by branch, the alt that audio frequency is higher than 600Hz frequently will be configured this note amplifier and enter in 23 years in this full-range speaker system 30, the bass that audio frequency is lower than 600Hz will be configured in this low-pass filter 24, and behind this note amplifier 25 and enter in this low range speaker system 40, this alt can touch with bass frequently again, and then, just can show the splendid sound effect that has alt and bass simultaneously by behind this mixer 26.
Claims (5)
1. the speaker unit of a mobile computer is characterized in that:
It comprises a multitone road speaker circuit, at least one group of full-range speaker system and at least one group of low range speaker system that can show bass effect that can show the alt effect;
This multitone road speaker circuit can be divided into several sections with voiced band, and speaker system that can different audio configuration are different.
2. the speaker unit of mobile computer as claimed in claim 1 is characterized in that:
The flow process of this multitone road speaker circuit is in regular turn for making source of sound enter an audio frequency wafer, enter a partial device again voiced band is distinguished into alt frequency and bass with part-frequency point, alt disposes into a note amplifier frequently and enters this full-range speaker system, bass disposes into a low-pass filter and enters a note amplifier again, and entering this low range speaker system, this alt and bass produce sound through a mixer again.
3. the speaker unit of mobile computer as claimed in claim 1 is characterized in that:
This full-range speaker system by at least one group of loudspeaker monomer and match with it have the gamut frequency response curve that can bring into play this loudspeaker monomer and the audio amplifier that shows the alt effect is formed.
4. the speaker unit of mobile computer as claimed in claim 1 is characterized in that:
Should low range speaker system by at least one group of loudspeaker monomer and match with it have the low range frequency response curve that can bring into play this loudspeaker monomer and the audio amplifier that shows bass effect is formed.
5. the speaker unit of mobile computer as claimed in claim 1 is characterized in that:
Should hang down range speaker system device in mobile computer or in its expanded structure body, or external in the mode of outside line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97220281 CN2312472Y (en) | 1997-11-04 | 1997-11-04 | Loudspeaker device of notebook like computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97220281 CN2312472Y (en) | 1997-11-04 | 1997-11-04 | Loudspeaker device of notebook like computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2312472Y true CN2312472Y (en) | 1999-03-31 |
Family
ID=33936008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97220281 Expired - Fee Related CN2312472Y (en) | 1997-11-04 | 1997-11-04 | Loudspeaker device of notebook like computer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2312472Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316352C (en) * | 2004-02-27 | 2007-05-16 | Lg电子株式会社 | Apparatus and method for controlling operation of low frequency sound output means |
| CN102568524A (en) * | 2010-12-30 | 2012-07-11 | 上海量明科技发展有限公司 | Method and system for outputting voice frequency information |
-
1997
- 1997-11-04 CN CN 97220281 patent/CN2312472Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1316352C (en) * | 2004-02-27 | 2007-05-16 | Lg电子株式会社 | Apparatus and method for controlling operation of low frequency sound output means |
| US7680284B2 (en) | 2004-02-27 | 2010-03-16 | Lg Electronics Inc. | Apparatus and method for controlling operation of audio low sound output means |
| CN102568524A (en) * | 2010-12-30 | 2012-07-11 | 上海量明科技发展有限公司 | Method and system for outputting voice frequency information |
| CN102568524B (en) * | 2010-12-30 | 2015-11-11 | 上海量明科技发展有限公司 | A kind of output intent of audio-frequency information and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: CAI KUNMING TO: UNIVERSAL SCIENTIFIC INDUSTRIAL CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Patentee after: Huanlong Electric Co., Ltd. Patentee before: Cai Kunming |
|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Cai Kunming Document name: Notice of termination |
|
| 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 |