CN1124069C - Dome loudspeaker system structure fro video appliance - Google Patents
Dome loudspeaker system structure fro video appliance Download PDFInfo
- Publication number
- CN1124069C CN1124069C CN97116281A CN97116281A CN1124069C CN 1124069 C CN1124069 C CN 1124069C CN 97116281 A CN97116281 A CN 97116281A CN 97116281 A CN97116281 A CN 97116281A CN 1124069 C CN1124069 C CN 1124069C
- Authority
- CN
- China
- Prior art keywords
- sound
- speaker system
- woofer
- fore shell
- outlet
- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
- H04N5/642—Disposition of sound reproducers
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
A loudspeaker system structure mounted in a video appliance comprising a front enclosure and rear enclosure is disclosed. A sealing member, such as non-woven fabric, sponge, or the like, is provided to engaging portions of the front enclosure and the rear enclosure to prevent leakage of sounds and vibration. The structure further comprises sound outlets formed on the front enclosure for discharging sound reproduced from a woofer, and high-frequency sound outlets for discharging high-frequency sounds reproduced from the tweeter.
Description
Technical field
The present invention relates to be used for the structure of the arch speaker system of video equipment, can prevent that particularly the shadow mask of cathode ray tube is attached to the arch speaker system vibration of fastening, and improvement is from the structure of the arch speaker system of the sound quality of arch speaker system broadcast.
Background technology
As Fig. 1 finding, the existing video equipment that loud speaker wherein is installed comprises casing 1, is used to protect the speaker cover 2 with support speaker, the cathode ray tube 3 by being threadedly engaged to casing 1 and be used to protect bonnet 4 by the CRT3 that is threadedly engaged to casing 1.
Casing 1 comprises a plurality ofly to be given prominence to, is used for casing 1 by being threadedly engaged to the boss 1a of CRT3 from its inner surface, frame 1b that contacts with the front surface of CRT3 and a plurality of being positioned near the position of CRT engagement boss 1a and equally from the outstanding boss 1c that is used for by screw-threaded engagement speaker system 2 of its inner surface.Speaker system 2 side and downside thereon comprises screw 2b, screw 2b with aim at from the outstanding speaker system screw-threaded engagement boss 1c of casing 1 inner surface.
By aforesaid layout, for loud speaker is installed in the video equipment, the staff is placed on CRT3 on the frame 1b that forms on the inboard of casing 1.Then, being formed on flange 3a on the outer part and CRT engagement boss 1a relative positioning side-prominent in casing 1 before the CRT3, and flange 3a is screwed into boss 1a, so that CRT3 is connected to casing 1 by screw 7.And the speaker system 2 that will combine with loud speaker 2a is fixed to casing 1.
Because speaker system 2 has the bossing that forms band screw 2b with downside thereon, side-prominent speaker system engagement boss 1c is fixed to casing 1 by screw 5 with loud speaker 2 with after screw 2b from the upper and lower side-prominent bossing of speaker system 2 aims in the casing 1.Bonnet 4 is attached to casing 1 with protection CRT3 and speaker system 2.
Yet when the existing video equipment that loud speaker is installed was operated, the loud speaker 2a that is connected to speaker system 2 played sound, and was attended by speaker system 2 and produced vibration.The acoustical vibration that is produced is sent to speaker system engagement boss 1c side-prominent in the casing 1 through screw 5, then vibration is sent to whole box body 1.
The acoustical vibration that is sent to casing 1 is sent to the flange 3a of CRT again by CRT engagement boss 1a, be sent to CRT3 through the casing 1 inboard frame 1b that forms that goes up again, makes to be arranged in the mask vibration of CRT3 and to cause the whistle phenomenon.In addition, the sound quality that produces from the loud speaker 2a that is installed in speaker system 2 inside is by aforesaid acoustical vibration deterioration.
Summary of the invention
For addressing the above problem, an object of the present invention is to provide a kind of structure that is installed in the arch speaker system of video equipment inside, its acoustical vibration that can prevent that the arch speaker system from producing is sent to that CRT causes the mask vibration of CRT and the whistle phenomenon that produces.
Another object of the present invention provides a kind of structure of arch speaker system of video equipment, can further improve from the quality of the sound of arch speaker system generation.
For achieving the above object, according to an aspect of the present invention, provide a kind of structure of speaker system, it is installed in the video equipment and comprises: high pitch loudspeaker; Woofer; And mutually tight engagement is with protection and support fore shell and the back cover that is installed in its inner woofer and high pitch loudspeaker, and the structure of described speaker system comprises: be formed on described fore shell both sides, be used to emit back back of playing from described woofer to sound outlet to sound; Be formed on described back inboard, be used to emit all-bottom sound forward direction outlet from the all-bottom sound of described woofer broadcast to sound outlet; Be formed on the outlet of described low frequency forward direction the inboard, be used to emit the high frequency sound forward direction outlet of the high frequency sound of playing from described high pitch loudspeaker; And be used to assemble the forward direction sound play from described woofer and back sound concentrating portions to sound, the outside, the place ahead of described sound concentrating portions is provided with a plurality of sound compensated part, each sound compensated part has a plurality of holes that separate, with the quality of compensation from the low frequency of described woofer broadcast.
When fore shell and back cover closely meshed mutually, the seal member such as adhesive-bonded fabric, sponge or similar articles was placed on the mate of fore shell and back cover, to prevent the leakage of sound and vibration.
Being formed with the back comprises to the fore shell of sound outlet and the outlet of low and high-frequency sound forward direction and is used to prevent that acoustical vibration from making the fore shell distortion and being used to keep the reinforcement boss of structural strength.
According to a further aspect of the invention, the structure of speaker system also comprises and being used to by the back to the guide plate of sound outlet and low and the sound guiding that the outlet of high-frequency sound forward direction is emitted be used to the auxiliary guide plate of a part of high-frequency sound guiding of emitting from the outlet of high-frequency sound forward direction.
Be used to by the back to be 10 degree to 40 degree angles settings, advance to cathode ray tube with restriction sound to the guide plate of sound outlet and the low sound guiding that outlet is emitted with the high-frequency sound forward direction and the center line of speaker system.
The structure of speaker system according to a further aspect of the invention, wherein the sound compensated part comprises first, the second and the 3rd timbre compensated part, each timbre compensated part comprises the sound quality that play from described woofer with compensation in a plurality of holes with same size that separate, the first timbre compensated part forms in the mode that the ratio that accounts for sound concentrating portions inner surface area 10% to 30% forms these holes, the second timbre compensated part forms in the mode that the ratio that accounts for sound concentrating portions inner surface area 10% to 20% forms these holes, and the 3rd timbre compensated part forms in the mode that the ratio that accounts for sound concentrating portions inner surface area 5% to 25% forms these holes.
First, second and the 3rd timbre compensated part form with oval, circular or rectangular shape.
According to the aspect again of speaker system structure, also comprise a plurality of woofer fixing lug boss that are used for woofer is attached to the fore shell rear portion, wherein the height of a side boss is higher than the height of its opposite side, and this woofer is set to fore shell with an angle.The inclination angle of woofer and speaker system center line is preferably in 2 degree to the scope of 15 degree.
According to the present invention, the speaker system structure also comprises a plurality of high pitch loudspeaker fixing lug boss that are used for high pitch loudspeaker is attached to fore shell, and wherein the height of boss one side is lower than the height of its opposite side, and this high pitch loudspeaker is set to fore shell with an angle.The inclination angle of high pitch loudspeaker and speaker system center line is preferably in 5 degree to the scope of 30 degree.
The structure of speaker system according to a further aspect of the invention, wherein said high pitch loudspeaker and woofer are installed to fore shell, and are staggered with respect to the center line of speaker system.On the sound outlet both sides, has the lead-in wire inlet of pulling out high pitch loudspeaker and woofer lead-in wire in the back.
The structure of speaker system according to a further aspect of the invention comprises also and is used to prevent the partition that sound-absorbing material moves and is used to prevent that acoustical vibration from making the raised line of back cover distortion that partition and raised line are formed on the inside of back cover, are used to keep its structural strength.
According to a further aspect of the invention, when the woofer that is installed to the fore shell rear portion is play low-frequency sound, this woofer is play the back to sound, and wherein this back to the noise component(s) of sound be inserted into the woofer that is installed in fore shell inside rear side, be used to absorb the back and absorb to the sound-absorbing material of the noise component(s) of sound, outwards emit the back of good quality by guide plate and outlet to sound.
The structure of speaker system according to a further aspect of the invention, wherein the sound concentrating portions is triangular shaped, be formed on the back on sound outlet and low/high-frequency sound outlet or be formed on the low-frequency sound outlet, be used to assemble the forward direction sound play by the described woofer at the rear portion that is installed to described fore shell and back to sound.The interior angle of sound concentrating portions is spent to the scopes of 60 degree 20.
Description of drawings
To more clearly understand above-mentioned purpose of the present invention by the explanation to the preferred embodiments of the present invention with reference to the accompanying drawings, others and advantage, wherein:
Fig. 1 is the profile according to the engagement that is installed in the speaker system in the video equipment of prior art;
Fig. 2 be according to a preferred embodiment of the present invention video equipment and the partial sectional view of the structure of speaker system mate;
Fig. 3 is the front view according to the engagement of the arch speaker system of the embodiment of the invention;
Fig. 4 is the top view according to the engagement of the arch speaker system of the embodiment of the invention;
Fig. 5 is the front view according to the detailed structure of the arch speaker system fore shell of the embodiment of the invention;
Fig. 6 is the rearview according to the detailed structure of the arch speaker system fore shell of the embodiment of the invention;
Fig. 7 is the rearview according to the structure of the arch speaker system fore shell of the embodiment of the invention;
Fig. 8 is the detail view according to the internal structure of the arch speaker system back cover of the embodiment of the invention;
Fig. 9 is the profile according to the structure of the arch speaker system back cover of the embodiment of the invention.
Embodiment
With reference to figure 2; the video equipment that is applicable to one embodiment of the present of invention comprises the casing 12 that is used to protect and support cathode ray tube 11; each both sides that are connected in casing 12 is used to protect the bonnet that is used to protect CRT11 and arch speaker system 13 with the arch speaker system 13 of support speaker and the rear side that is connected in casing 12.
In the embodiment shown in Fig. 5 to 9, arch speaker system 13 comprises the fore shell 15 that is formed on its front side and closely is engaged in the back cover 16 of fore shell 15 rear sides.Be provided with the picture adhesive-bonded fabric between fore shell 15 and back cover 16, the seal member 37 of sponge and so on is with leakage and because the structural vibration generation abnormal sound that prevents sound.In an illustrated embodiment, binding agent has been used in the both sides of seal member.
Arch speaker system according to the present invention also comprises the woofer 18 and the high pitch loudspeaker 21 of the inboard that is installed in fore shell 15 respectively.In the application's context, woofer 18 can be the loud speaker that can produce low-frequency sound of any kind, and high pitch loudspeaker 21 can be the loud speaker that can produce high-frequency sound of any kind.Fore shell 15 comprises and is used for outwards emitting back back of playing from woofer 18 to sound outlet 17 (see figure 5)s to sound, be used for outwards emitting the low-frequency sound forward direction outlet 19 of the low-frequency sound of playing from woofer 18 and be used to emit the outlet 23 of high-frequency sound forward direction and the 23a of the high-frequency sound of playing from high pitch loudspeaker 21.Fore shell 15 also comprises a plurality of boss 20 and 20a that are used for fixing woofer 18, and a plurality of boss 22 and 22a that is used for fixing high pitch loudspeaker.
Fore shell 15 is provided with the auxiliary guide plate 25 that is used to the guide plate 24 by low and the sound guiding that high-frequency sound forward direction outlet 19 and 23 is emitted and is used to a part of high-frequency sound guiding of emitting from high-frequency sound forward direction outlet 23a.
Play forward direction sound and back to sound in order to assemble from woofer 18, it is 20 ° to 60 ° leg-of-mutton sound concentrating portions 26 that the rear side of fore shell 15 is provided with interior angle.In the embodiment shown in Fig. 3 and 6, on the outer surface of the front side of sound concentrating portions 26, be provided with the first timbre compensated part 27 in the hole that has a plurality of intervals, so that the quality of the sound that compensation is play from woofer 18, the generation type in hole are that to make the area in hole be 10 to 30% ratio of the internal surface area of sound concentrating portions 26.As shown in Figure 5, be provided with the second timbre compensated part 27a in the hole that has a plurality of intervals on the outer surface of low frequency forward direction outlet 19 and high frequency forward direction outlet 23a, the generation type in hole is that to make the area in hole be 10 to 20% ratio of the internal surface area of sound concentrating portions 26.And have the 3rd timbre compensated part 27b in a plurality of holes rear side being provided with of low frequency forward direction outlet 19, the generation type in hole is that to make the area in hole be 5 to 25% ratio of the internal surface area of sound concentrating portions 26.
In order to pull out the lead-in wire of high pitch loudspeaker 21 and woofer 18, the back is to leaded inlet 28 in the both sides of sound outlet 17 and 28a.Inner surface at fore shell has formed a plurality of reinforcement raised lines 29, causes fore shell 15 vibrations with structural strength that keeps fore shell 15 and the sound that prevents loudspeaker plays.As shown in Figure 3, be used to guide by the back have a plurality of reinforcement raised lines 30, to keep its intensity to the guide plate 24 of sound outlet 17 and low/high frequency forward direction outlet 19 and 23 sound of emitting.
Arch speaker system according to the present invention comprises the boss 31 that is used for arch speaker system 13 is fixed on the casing both sides, be used for closely connecting screwed hole 32 and 32a preceding and back cover 15 and 16, the rear portion that is inserted in the woofer 18 that is installed in fore shell 15 inside is used to absorb the sound-absorbing material 33 of back to the noise component(s) of sound, be used to support or strengthen the part 34 of sound-absorbing material 33 and be used to prevent that acoustical vibration from causing back cover 16 distortion and keeping the reinforcement raised line 35 of the structural strength of back cover 16.
Referring to figs. 2 to 9; comprising fore shell 15 and back cover 16 and protection and supporting in the arch speaker system of the loud speaker that is attached to casing 12 both sides according to of the present invention; the high pitch loudspeaker 21 that is used to play high-frequency sound is positioned at boss 22 and the 22a that the inboard of fore shell 15 forms, and with screw with they screw-threaded engagement.The woofer 18 that is used to play low-frequency sound is positioned at boss 20 and the 20a that the inboard of fore shell 15 forms, and makes their screw-threaded engagement with screw.
Have different height owing to be used for the high pitch loudspeaker fixing lug boss 22 of screw-threaded engagement high pitch loudspeaker 21 with 22a, the center line shown in high pitch loudspeaker and Fig. 2 forms 5 ° of angles to 30 ° of scopes and is installed in the fore shell 15.And same because woofer fixing lug boss 20 has different height with 20a, the center line shown in woofer and Fig. 2 forms 2 ° of angles to 15 ° of scopes and is installed in the fore shell 15.
Therefore, high pitch loudspeaker 21 and woofer 18 are with respect to the interlaced arrangement of the center line of speaker system, and the lead-in wire of high pitch loudspeaker 21 and woofer 18 is pulled out through fairlead 28 and the 28a that forms on the arch speaker system.
The lead-in wire of loud speaker pull out finish after, when woofer 18 is play low-frequency sound, in order to absorb the back bad tone that causes to the interference of sound that produces by reflection and woofer 18, the sound-absorbing material 33 of compression soft fibre or textile manufacturing is embedded on the support partition 34 of inboard formation of back cover 16.
In addition, with after engaging of fore shell 15 finished, fore shell 15 is aimed at back cover 16, and screw is screwed in the hole 32 that forms on the hole 32 that forms on the fore shell 15 and the back cover at high pitch loudspeaker 21 and woofer 18.
At this moment, screw closely links together fore shell 15 and back cover 16 mutually.If between fore shell 15 and back cover 16, be bonded and sealed parts 37, can prevent when the arch speaker system plays sound the fore shell 15 that takes place and the whistle of back cover 16 so, and make the sound play from arch loud speaker 13 can not be in the past and the junction surface of back cover 15 and 16 let out.
Meanwhile, on the outer surface of the front side of sound concentrating portions 26, the first timbre compensated part 27 is set, on the outer surface of outlet 19 of low frequency forward direction and high frequency forward direction outlet 23a, the second timbre compensated part 27a is set, and the 3rd timbre compensated part 27b is set at the rear side of low frequency forward direction outlet 19.Utilize above-mentioned structure, can compensate the quality of the sound of playing from woofer 18 basically, thereby can outwards emit the sound of high-quality by the arch speaker system.
Particularly, when the low-frequency sound of playing from woofer 18 passes through first, the second and the 3rd compensated part 27 when 27a and 27b are compensated and outwards emit, is assembled and compensation in the sound concentrating portions 26 that fore shell 15 rear sides form to sound from forward direction sound and back that woofer 18 is play.
Therefore, outwards emit from woofer 18 that play and forward direction sound that assemble in sound concentrating portions 26 and back to sound by low frequency forward direction outlet 19.
The end of fore shell 15 is provided with the guide plate 24 that tilts in 10 ° to 40 ° scopes.When sound was emitted by low-frequency sound forward direction outlet 19, guide plate 24 guiding were from exporting 19 low-frequency sounds of emitting, and emitting by the loud speaker aperture plate 36 that is removably mounted on the casing 12, and had prevented that sound from passing to CRT11.Therefore, the shadow mask in the CRT11 can not vibrated, to prevent the whistle phenomenon.
Meanwhile, when the high pitch loudspeaker 21 of the high orientation in being installed in fore shell 15 was play high-frequency sound, the high-frequency sound of broadcast was outwards emitted by outlet 23 of high-frequency sound forward direction and 23a.
In addition, when emitting number voice by high frequency forward direction outlet 23, guide plate 24 guiding that are arranged on fore shell 15 ends are from exporting 23 a part of high-frequency sounds of emitting, so that emit and prevent and pass to CRT11 by being removably mounted on aperture plate 36 on the casing 12.Therefore, the shadow mask in the CRT11 will can not vibrated, so that prevent the whistle phenomenon.All the other high-frequency sounds of playing from high pitch loudspeaker 21 are compensated by outlet 23a, and outwards emit by the grid 36 of the auxiliary guide plate 25 of formation on the fore shell 15.
Particularly, when high pitch loudspeaker 21 is play high-frequency sound, rely on the guide plate 24 and the auxiliary guide plate 25 that are formed on the fore shell 15 can stop the shadow mask of the high-frequency sound biography of high pitch loudspeaker 21 broadcasts, and do not change the quality of sound, and outwards emit by loudspeaker grid 36 to CRT11.
As mentioned above, when the sound of playing from high pitch loudspeaker 21 and woofer is outwards emitted, rely on reinforcement raised line 29 that forms in fore shell 15 outsides and the reinforcement raised lines 35 that form in back cover 16 inboards, preceding and back cover 15 and 16 can keep their structural strength to prevent distortion.
Utilization is installed in the arch speaker system of video equipment inside, and the vibration that output sound causes can be absorbed, and can not be delivered to CRT, thereby has prevented the whistle phenomenon.Therefore, be applicable to that video equipment of the present invention can utilize big output amplifier and loud speaker, and improved the quality of the sound that high pitch loudspeaker in the arch loud speaker and woofer play.
Although here by describing and explained the present invention with reference to its preferred embodiment, those of ordinary skill in the art will understand, can do various changes to its form and details, and not break away from the spirit and scope of the present invention.
Claims (18)
1. speaker system, it is installed in the video equipment and comprises: high pitch loudspeaker; Woofer; And tight engagement is to protect and to support fore shell and the back cover that is installed in its inner woofer and high pitch loudspeaker mutually, and described speaker system comprises:
Be formed on described fore shell both sides, be used to emit back back of playing from described woofer to sound to sound outlet;
Be formed on described back inboard, be used to emit all-bottom sound forward direction outlet from the all-bottom sound of described woofer broadcast to sound outlet;
Be formed on the outlet of described low frequency forward direction the inboard, be used to emit the high frequency sound forward direction outlet of the high frequency sound of playing from described high pitch loudspeaker; And
Be used to assemble the forward direction sound of playing from described woofer and the sound concentrating portions of back to sound, the outside, the place ahead of described sound concentrating portions is provided with a plurality of sound compensated part, each sound compensated part has a plurality of holes that separate, with the quality of compensation from the low frequency of described woofer broadcast.
2. speaker system according to claim 1, wherein when fore shell and back cover closely mesh mutually, seal member such as adhesive-bonded fabric, sponge or similar articles is placed on the mate of fore shell and back cover, with leakage and the vibration that prevents sound.
3. speaker system according to claim 1 wherein is formed with the back and comprises to the fore shell of sound outlet and the outlet of low and high-frequency sound forward direction and be used to prevent that acoustical vibration from making the fore shell distortion and being used to keep the reinforcement boss of structural strength.
4. speaker system according to claim 1 also comprises:
Be used to by the back to the guide plate of sound outlet and low and the sound guiding that the outlet of high-frequency sound forward direction is emitted and
Be used to the auxiliary guide plate that exports a part of high-frequency sound guiding of emitting from the high-frequency sound forward direction.
5. speaker system according to claim 4, wherein be used to by the back to be 10 degree to 40 degree angles settings, advance to cathode ray tube with restriction sound to the guide plate of sound outlet and the low sound guiding that outlet is emitted with the high-frequency sound forward direction and the center line of speaker system.
6. speaker system according to claim 1, wherein the sound compensated part comprises first, the second and the 3rd timbre compensated part, each timbre compensated part comprises the sound quality that play from described woofer with compensation in a plurality of holes with same size that separate, the first timbre compensated part forms in the mode that the ratio that accounts for sound concentrating portions inner surface area 10% to 30% forms these holes, the second timbre compensated part forms in the mode that the ratio that accounts for sound concentrating portions inner surface area 10% to 20% forms these holes, and the 3rd timbre compensated part forms in the mode that the ratio that accounts for sound concentrating portions inner surface area 5% to 25% forms these holes.
7. speaker system according to claim 6, wherein first, second forms with oval, circular or rectangular shape with the 3rd timbre compensated part.
8. speaker system according to claim 1 also comprises:
A plurality of woofer fixing lug boss that are used for woofer is attached to the fore shell rear portion, wherein the height of a side boss is higher than the height of opposite side, and this woofer is set to fore shell with an angle.
9. speaker system according to claim 8, the inclination angle of its medium and low spectrum loudspeaker and speaker system center line is spent to the scopes of 15 degree 2.
10. speaker system according to claim 1 also comprises:
A plurality of high pitch loudspeaker fixing lug boss that are used for high pitch loudspeaker is attached to fore shell, wherein the height of a side boss is lower than the height of opposite side, and this high pitch loudspeaker is set to fore shell with an angle.
11. speaker system according to claim 8, the inclination angle of its medium and high pitch loudspeaker and speaker system center line is spent to the scopes of 30 degree 5.
12. speaker system according to claim 1, wherein, described high pitch loudspeaker and woofer are installed to fore shell, and are staggered with respect to the center line of speaker system.
13. speaker system according to claim 12 wherein has the lead-in wire inlet of pulling out high pitch loudspeaker and woofer lead-in wire on the sound outlet both sides in the back.
14. speaker system according to claim 1 also comprises:
Be used to the partition that prevents that sound-absorbing material from moving; With
Be used to prevent that acoustical vibration from making the raised line of back cover distortion, partition and raised line are formed on the inside of back cover, are used to keep its structural strength.
15. speaker system according to claim 1, wherein when the woofer that is installed to the fore shell rear portion is play low-frequency sound, this woofer is play the back to sound, and wherein this back to the noise component(s) of sound be inserted into the woofer that is installed in fore shell inside rear side, be used to absorb the back and absorb to the sound-absorbing material of the noise component(s) of sound, outwards emit the back of good quality by guide plate and outlet to sound.
16. speaker system according to claim 1, wherein, the sound concentrating portions is triangular shaped, be formed on the back on sound outlet and low/high-frequency sound outlet or be formed on the low-frequency sound outlet, be used to assemble the forward direction sound play by the described woofer at the rear portion that is installed to described fore shell and back to sound.
17. speaker system according to claim 16, wherein the interior angle of sound concentrating portions is spent to the scopes of 60 degree 20.
18. speaker system according to claim 1, wherein fore shell and back cover are made by the high density plastic resin, with the timbre of compensation from the low/high-frequency sound of the shell broadcast of loud speaker.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960038626A KR100239121B1 (en) | 1996-09-06 | 1996-09-06 | Structure of dome speaker system of image display device |
| KR38626/96 | 1996-09-06 | ||
| KR38626/1996 | 1996-09-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1177270A CN1177270A (en) | 1998-03-25 |
| CN1124069C true CN1124069C (en) | 2003-10-08 |
Family
ID=19472945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97116281A Expired - Fee Related CN1124069C (en) | 1996-09-06 | 1997-09-08 | Dome loudspeaker system structure fro video appliance |
Country Status (5)
| Country | Link |
|---|---|
| KR (1) | KR100239121B1 (en) |
| CN (1) | CN1124069C (en) |
| BR (1) | BR9702845A (en) |
| GB (1) | GB2317069B (en) |
| ID (1) | ID17825A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000278630A (en) * | 1999-03-26 | 2000-10-06 | Aiwa Co Ltd | Television receiver |
| IT1317459B1 (en) * | 2000-05-05 | 2003-07-09 | Videocolor Spa | DISPLAY DEVICES AND SPEAKERS THAT CAN BE MOUNTED ON DISPLAY DEVICES. |
| EP1692918B1 (en) * | 2003-12-05 | 2018-08-15 | Oticon A/S | Communication device with microphone |
| US7529520B2 (en) | 2004-02-12 | 2009-05-05 | Sony Ericsson Mobile Communications Ab | Electro-acoustic transducer for a portable communication device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5856535A (en) * | 1981-09-30 | 1983-04-04 | Fujitsu Ltd | Oscillation circuit |
| US5229555A (en) * | 1990-03-30 | 1993-07-20 | Matsushita Electric Industrial Co., Ltd. | Speaker system and tv with the same |
| MY106827A (en) * | 1990-06-21 | 1995-07-31 | Matsushita Electric Ind Co Ltd | Loudspeaker arrangement in television receiver cabinet. |
| JP3104073B2 (en) * | 1990-12-22 | 2000-10-30 | ソニー株式会社 | Speaker device of television receiver |
| DE69329925T2 (en) * | 1992-11-18 | 2001-05-31 | Matsushita Electric Industrial Co., Ltd. | Television receiver |
-
1996
- 1996-09-06 KR KR1019960038626A patent/KR100239121B1/en not_active IP Right Cessation
-
1997
- 1997-09-08 BR BR9702845A patent/BR9702845A/en not_active Application Discontinuation
- 1997-09-08 ID IDP973126A patent/ID17825A/en unknown
- 1997-09-08 CN CN97116281A patent/CN1124069C/en not_active Expired - Fee Related
- 1997-09-08 GB GB9719048A patent/GB2317069B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| GB9719048D0 (en) | 1997-11-12 |
| KR19980020216A (en) | 1998-06-25 |
| MX9706745A (en) | 1998-07-31 |
| KR100239121B1 (en) | 2000-01-15 |
| GB2317069A (en) | 1998-03-11 |
| BR9702845A (en) | 1999-01-26 |
| CN1177270A (en) | 1998-03-25 |
| ID17825A (en) | 1998-01-29 |
| GB2317069B (en) | 1999-04-07 |
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