CN205389261U - Sound audio amplifier inclines out - Google Patents

Sound audio amplifier inclines out Download PDF

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Publication number
CN205389261U
CN205389261U CN201620017633.8U CN201620017633U CN205389261U CN 205389261 U CN205389261 U CN 205389261U CN 201620017633 U CN201620017633 U CN 201620017633U CN 205389261 U CN205389261 U CN 205389261U
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CN
China
Prior art keywords
vibrating diaphragm
speaking
speaker
protecgulum
sound
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
Application number
CN201620017633.8U
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Chinese (zh)
Inventor
王程良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ACC PRECISION ELECTRONIC MUYANG Co Ltd
AAC Technologies Holdings Shuyang Co Ltd
Original Assignee
ACC PRECISION ELECTRONIC MUYANG Co Ltd
AAC Technologies Holdings Shuyang Co Ltd
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Application filed by ACC PRECISION ELECTRONIC MUYANG Co Ltd, AAC Technologies Holdings Shuyang Co Ltd filed Critical ACC PRECISION ELECTRONIC MUYANG Co Ltd
Priority to CN201620017633.8U priority Critical patent/CN205389261U/en
Application granted granted Critical
Publication of CN205389261U publication Critical patent/CN205389261U/en
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Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a sound audio amplifier inclines out, including the protecgulum, with protecgulum lid each other closes the back lid that forms a box and accepts the speaker in the box, the speaker includes the vibrating diaphragm of a vibration sound production, the operatic tunes before the vibrating diaphragm forms one in the face of the protecgulum setting and with the protecgulum, be equipped with on the box one be located the vibrating diaphragm side and with the direction of vibration looks vertically of the vibrating diaphragm passageway of speaking, the passageway of speaking is linked together with the preceding operatic tunes, the passageway of speaking was kept away from to the vibrating diaphragm one side diminishes to the direction that is close the passageway of speaking apart from the distance of protecgulum gradually. Through the equitable effectual structural design of this scheme, fine improvement the speaker because of the uneven vibration that produces of atress, the effectual audio quality that has improved.

Description

A kind of side goes out sound box with sound
[technical field]
This utility model belongs to audio amplifier and the technical field of sound chamber design, particularly relates to and a kind of have the speak side of function of side and go out sound box with sound.
[background technology]
Along with electric consumers slimming increasingly, the audio cavity structure such as the audio amplifier of the portable electric appts such as mobile phone, panel computer is changed into side by the just mode of speaking gradually and speaks mode.At present, speaking the audio amplifier of audio cavity structure of mode in conventional side, its speaker is parallel with audio amplifier front and rear covers (i.e. the front and rear covers of portable electric appts), and side sender is arranged on the sidewall of Loudspeaker front cover.
As shown in Figure 1 existing has the cross-sectional view that side goes out the audio amplifier in sound chamber, and this audio amplifier includes: Loudspeaker front cover 11 ', speaker 21 ' and audio amplifier bonnet 31 '.Loudspeaker front cover 11 ' and audio amplifier bonnet 31 ' fit tightly mutually, form a receiving space, constitute audio amplifier matrix.Between speaker 21 ' and Loudspeaker front cover 11 ' bonded to each other, form side betwixt and go out the front operatic tunes 12 ' in sound chamber.Form side between speaker 21 ' and audio amplifier bonnet 31 ' and go out the rear operatic tunes 32 ' in sound chamber.The circumferential side wall of Loudspeaker front cover 11 ' is formed with a passage 13 ' of speaking and is connected with ante-chamber 12 '.The end face of speaker 21 ' has the vibrating diaphragm 22 ' of a vibrations sounding, and vibrating diaphragm 22 ' place plane and the front operatic tunes 12 ' base plate are parallel to each other, and namely before the arrival of the diaphragm of loudspeaker 22 ' place plane each position, the distance of the operatic tunes 12 ' base plate is equal.
But, through studying discovery for a long period of time, the side of this mode goes out sound box with sound, there is very big drawback.Due to one end that loudspeaker distance sender is nearer, vibration resistance is little, and away from sender, vibration resistance is big.And loadspeaker structure symmetric design, its internal driving force is identical.Thus result in and cause speaker unequal with the total stress in one end near sender away from the end of sender, cause speaker entirety by force unbalance, affect THD and the HOHD quality of product.
It is, therefore, desirable to provide a kind of new audio amplifier audio cavity structure, it is possible to improve the vibration that the speaker that original structure causes produces because of unbalance stress, improve audio quality.
[utility model content]
For above Problems existing, the vibration that the speaker caused to improve original structure produces because of unbalance stress, improve audio quality, the utility model proposes a kind of new side and go out sound box with sound.The audio cavity structure of speaking that this side goes out sound box with sound exclusive is different from other loudspeaker box structures, improves audio quality.
This utility model makes to be accomplished by.
The utility model proposes a kind of side and go out sound box with sound, the bonnet forming a casing and the speaker being housed in casing is mutually covered including protecgulum and described protecgulum, described speaker includes the vibrating diaphragm of a vibration sounding, described vibrating diaphragm arranges in the face of protecgulum and forms the operatic tunes before with protecgulum, described casing is provided with that one is positioned at vibrating diaphragm side and that direction of vibration with vibrating diaphragm is perpendicular passage of speaking, described passage of speaking is connected with the front operatic tunes, and described vibrating diaphragm tapers into the direction close to passage of speaking away from distance from protecgulum of the side of passage of speaking.
Side as above goes out sound box with sound, and wherein, described protecgulum is front inner surface in the face of the surface of vibrating diaphragm, and described front inner surface is arranged in horizontal direction, and the horizontal direction of the in-plane at described vibrating diaphragm and described front inner surface is an acute angle A.
Side as above goes out sound box with sound, and wherein, described vibrating diaphragm is arranged in horizontal direction, and described protecgulum is front inner surface in the face of the surface of vibrating diaphragm, and the horizontal direction of the in-plane at described front inner surface and vibrating diaphragm is an acute angle A.
Side as above goes out sound box with sound, and wherein, described bonnet is bonnet separator face in the face of the surface of described front inner surface.
Side as above goes out sound box with sound, and wherein, described vibrating diaphragm tapers into the direction close to passage of speaking away from distance from front inner surface of the side of passage of speaking.
Side as above goes out sound box with sound, and wherein, described vibrating diaphragm arranges back to bonnet and forms the operatic tunes after with bonnet.
By adopting the side in this programme to go out the structure in sound chamber, by arranging the angle constituted between the determined plane domain in top dome face and the front panel of described Loudspeaker front cover of speaker, the top dome face each position changing speaker arrives the distance of described ante-chamber bottom surface, makes the oscillation space of each position of speaker top dome change.Effectively improve the vibration owing to speaker produces because of unbalance stress, reduce the generation of noise, improve audio quality.
[accompanying drawing explanation]
By the detailed description made in conjunction with the following drawings, of the present utility model above-mentioned or otherwise advantage will be apparent from and is easier to understand, and these accompanying drawings simply schematically, are not intended that restriction of the present utility model, wherein:
Fig. 1 existing have side and goes out the cross-sectional view of sound function audio amplifier.
Fig. 2 is the cross-sectional view that side described in the utility model goes out sound box with sound embodiment one.
Fig. 3 is the cross-sectional view that side described in the utility model goes out sound box with sound embodiment two.
Fig. 4 is the perspective view that side described in the utility model goes out sound box with sound.
In accompanying drawing, each label declaration is as follows:
11 ': Loudspeaker front cover, 12 ': the front operatic tunes, 13 ': passage of speaking;
21 ': speaker, 22 ': vibrating diaphragm;
31 ': audio amplifier bonnet, 32 ': the rear operatic tunes;
11: Loudspeaker front cover, 12: the front operatic tunes, 13: passage of speaking;
21: speaker, 22: vibrating diaphragm;
31: audio amplifier bonnet, 32: the rear operatic tunes.
[detailed description of the invention]
Detailed description of the invention of the present utility model is described in detail below in conjunction with accompanying drawing.
Embodiment in this record is specific detailed description of the invention of the present utility model, is used for design of the present utility model is described, is all explanatory and exemplary, should not be construed as the restriction to this utility model embodiment and this utility model scope.Except except the embodiment of this record; those skilled in the art can also adopt other technical scheme apparent based on the application claims and description disclosure of that; these technical schemes include adopting the technical scheme making any apparent substitutions and modifications to the embodiment in this record, all within protection domain of the present utility model.
The accompanying drawing of this specification is schematic diagram, aids in illustrating design of the present utility model, the shape of each several part and mutual relation thereof.Note that the structure of each parts for the ease of clearly showing this utility model embodiment, do not draw according to identical ratio between each accompanying drawing, identical reference marker is for representing identical part.
As shown in Figure 1 existing has the cross-sectional view that side goes out the audio amplifier in sound chamber, and this audio amplifier includes: Loudspeaker front cover 11 ', speaker 21 ' and audio amplifier bonnet 31 '.Loudspeaker front cover 11 ' and audio amplifier bonnet 31 ' fit tightly mutually, form a receiving space, constitute audio amplifier matrix.Between speaker 21 ' and Loudspeaker front cover 11 ' bonded to each other, form side betwixt and go out the front operatic tunes 12 ' in sound chamber.Form side between speaker 21 ' and audio amplifier bonnet 31 ' and go out the rear operatic tunes 32 ' in sound chamber.The circumferential side wall of Loudspeaker front cover 11 ' is formed with a passage 13 ' of speaking and is connected with ante-chamber 12 '.The end face of speaker 21 ' has the vibrating diaphragm 22 ' of a vibrations sounding, and vibrating diaphragm 22 ' place plane and the front operatic tunes 12 ' base plate are parallel to each other, and namely before the arrival of the diaphragm of loudspeaker 22 ' place plane each position, the distance of the operatic tunes 12 ' base plate is equal.
Through studying discovery for a long period of time, the side of this mode goes out sound box with sound, there is very big drawback.Due to one end that loudspeaker distance sender is nearer, vibration resistance is little, and away from sender, vibration resistance is big.And loadspeaker structure symmetric design, its internal driving force is identical.Thus result in and cause speaker unequal with the total stress in one end near sender away from the end of sender, cause speaker entirety by force unbalance, affect THD and the HOHD quality of product.
It is, therefore, desirable to provide a kind of new audio amplifier audio cavity structure, it is possible to improve the vibration that the speaker that original structure causes produces because of unbalance stress, improve audio quality.
The utility model proposes a kind of side and go out sound box with sound, the bonnet forming a casing and the speaker being housed in casing is mutually covered including protecgulum and described protecgulum, described speaker includes the vibrating diaphragm of a vibration sounding, described vibrating diaphragm arranges in the face of protecgulum and forms the operatic tunes before with protecgulum, described casing is provided with that one is positioned at vibrating diaphragm side and that direction of vibration with vibrating diaphragm is perpendicular passage of speaking, described passage of speaking is connected with the front operatic tunes, and described vibrating diaphragm tapers into the direction close to passage of speaking away from distance from protecgulum of the side of passage of speaking.
Embodiment one:
As in figure 2 it is shown, go out the cross-sectional view of sound box with sound embodiment one for side described in the utility model.This side goes out sound box with sound and includes: Loudspeaker front cover 11, speaker 21 and audio amplifier bonnet 31.
Wherein, Loudspeaker front cover 11 and audio amplifier bonnet 31 fit tightly mutually, form a receiving space, constitute audio amplifier matrix.Speaker 21 is positioned at the receiving space that Loudspeaker front cover 11 is constituted with audio amplifier bonnet 31, and above-mentioned receiving space is split as two parts.
Described Loudspeaker front cover 11 includes two-part structure.A part is the groove part of Loudspeaker front cover 11 inner surface.Its groove topography is unanimous on the whole with speaker 21 profile, and its marginal dimension rate is less than the overall dimensions of speaker 21, it is simple to install fixing speaker 21.The groove part of speaker 21 and Loudspeaker front cover 11 cooperates, and by the fixing connection of splicing or other modes, speaker 21 is fixed on the groove upper surface of Loudspeaker front cover.Form a chamber between speaker and groove, be side and go out the front operatic tunes 12 in sound chamber.
Described audio amplifier also includes passage 13 of speaking, and it is connected with ante-chamber 12 inside.The sound that speaker 21 produces is by ante-chamber 12, and from speaking, passage 13 sends, it is achieved side goes out sound function.Its connected component is a passage mechanism.This structure can be straight-tube shape, for obtaining better audio, it is preferred that change its passage into toroidal.Namely more big the closer to its opening range of position of passage 13 of speaking.
This utility model is except arranging a sound channel, it is also possible to arrange multiple sound channel, takes multiple sound mouth structure side by side.
In the matrix of audio amplifier bonnet 31 and Loudspeaker front cover 11 formation bonded to each other, form side between audio amplifier bonnet 31 and speaker 21 and go out the rear operatic tunes 32 in sound chamber.Vibrating diaphragm 22 place plane and back cavity 32 end face are parallel to each other.
As seen from Figure 2, speaker 21 is bilateral symmetry.Speaker 21 horizontal positioned, its surface has vibrating diaphragm 22 structure.Described side goes out the passage 13 of speaking of sound box with sound and is positioned at vibrating diaphragm 21 side and perpendicular with the direction of vibration of vibrating diaphragm 21.Vibrating diaphragm 22 place plane and back cavity 32 end face are parallel to each other.With existing structure the difference is that, the bottom of the front operatic tunes 12 has the obvious gradient relative to back cavity 32 end face, and this gradient makes the bottom surface of the front operatic tunes 12 and vibrating diaphragm 22 place plane have obvious angle.Before the generation of angle makes speaker 21 each position arrive, the distance of the operatic tunes 12 bottom surface is different.The distance that the distance of the described front operatic tunes 12 bottom surface of described vibrating diaphragm 22 each position arrival arrives, with this position, passage 13 of speaking changes.Near the position of passage 13 of speaking, the distance that vibrating diaphragm 22 arrives the front operatic tunes 12 bottom surface is short.Away from the position of passage 13 of speaking, vibrating diaphragm 22 arrives the distance of the front operatic tunes 12 bottom surface.
Those skilled in that art are it should be appreciated that speaker can the impact of resistance vibrated when sending sound.Due to the position that loudspeaker distance side sender is nearer, vibration resistance is little, and away from the position of side sender, vibration resistance is big.In order to obtain better audio quality, it is necessary to the vibration resistance at balance speaker two ends, speaker total stress everywhere is made substantially to reach unanimity.
In the present embodiment, speaker 21 horizontal positioned, the front operatic tunes 12 bottom surface has the gradient, makes the distance that the distance that vibrating diaphragm 22 each position arrives the described front operatic tunes 12 bottom surface arrives, with this position, passage 13 of speaking uniformly change.And near the position of passage 13 of speaking, the distance that vibrating diaphragm 22 arrives the front operatic tunes 12 bottom surface is short.Away from the position of passage 13 of speaking, vibrating diaphragm 22 arrives the distance of the front operatic tunes 12 bottom surface.Such structural design makes the position oscillation space near passage 13 of speaking little, and the position oscillation space away from passage 13 of speaking is big.And oscillation space presents uniform contraction.Such structural design effectively balances the vibration resistance at speaker 21 two ends so that speaker 21 total stress everywhere levels off to unanimously substantially.THD and HOHD obtains good improvement.
Further, in order to better be gone out audio fruit.Can according to the size of speaker 21, and a series of factors affecting vibration resistance such as the length of the sound channel of passage 13 of speaking, pass through analytical calculation, it is determined that more rationally accurately before the angle that formed with vibrating diaphragm 22 place plane of the operatic tunes 12 bottom surface.
Embodiment two:
As it is shown on figure 3, go out the cross-sectional view of sound box with sound embodiment one for side described in the utility model.This side goes out sound box with sound and includes: Loudspeaker front cover 11, speaker 21 and audio amplifier bonnet 31.
Wherein, Loudspeaker front cover 11 and audio amplifier bonnet 31 fit tightly mutually, form a receiving space, constitute audio amplifier matrix.Speaker 21 is positioned at the receiving space that Loudspeaker front cover 11 is constituted with audio amplifier bonnet 31, and above-mentioned receiving space is split as two parts.
Described Loudspeaker front cover 11 includes two-part structure.A part is the groove part of Loudspeaker front cover 11 inner surface.Its groove topography is unanimous on the whole with speaker 21 profile, and its marginal dimension rate is less than the overall dimensions of speaker 21, it is simple to install fixing speaker 21.The groove part of speaker 21 and Loudspeaker front cover 11 cooperates, and by the fixing connection of splicing or other modes, speaker 21 is fixed on the groove upper surface of Loudspeaker front cover.Form a chamber between speaker and groove, be side and go out the front operatic tunes 12 in sound chamber.
Loudspeaker front cover 11 also includes a channel design.Described side goes out the passage 13 of speaking of sound box with sound and is positioned on the sidewall of Loudspeaker front cover 11.Passage 13 of speaking is internal with the front operatic tunes 12 to be connected.The sound that speaker 21 produces is by the front operatic tunes 12, and from speaking, passage 13 sends, it is achieved side goes out sound function.Its connected component is a passage mechanism.This structure can be straight-tube shape, for obtaining better audio, it is preferred that change its passage into toroidal.Namely more big the closer to its opening range of position of passage 13 of speaking.
This utility model is except arranging a sound channel, it is also possible to arrange multiple sound channel, takes multiple sound mouth structure side by side.
In the matrix of audio amplifier bonnet 31 and Loudspeaker front cover 11 formation bonded to each other, form side between audio amplifier bonnet 31 and speaker 21 and go out the rear operatic tunes 32 in sound chamber.
As seen from Figure 3, speaker 21 is bilateral symmetry.Speaker 21 slant setting, the front operatic tunes 12 bottom surface horizontal positioned.Vibrating diaphragm 22 place plane forms angle with the front operatic tunes 12 bottom surface.Before the generation of angle makes speaker 21 each position arrive, the distance of the operatic tunes 12 bottom surface is different.The distance that the distance of the described front operatic tunes 12 bottom surface of described vibrating diaphragm 22 each position arrival arrives, with this position, passage 13 of speaking changes.Near the position of passage 13 of speaking, the distance that vibrating diaphragm 22 arrives the front operatic tunes 12 bottom surface is short.Away from the position of passage 13 of speaking, vibrating diaphragm 22 arrives the distance of the front operatic tunes 12 bottom surface.
Further, in order to better install fixing speaker 21, the inner surface of audio amplifier bonnet 31 be provided with tilt after the corresponding groove of speaker 21 profile.
Those skilled in that art are it should be appreciated that speaker can the impact of resistance vibrated when sending sound.Due to the position that loudspeaker distance side sender is nearer, vibration resistance is little, and away from the position of side sender, vibration resistance is big.In order to obtain better audio quality, it is necessary to the vibration resistance at balance speaker two ends, speaker total stress everywhere is made substantially to reach unanimity.
In the present embodiment, speaker 21 slant setting, the front operatic tunes 12 bottom level is placed, and makes the distance that the distance that vibrating diaphragm 22 each position arrives the described front operatic tunes 12 bottom surface arrives, with this position, passage 13 of speaking uniformly change.And near the position of passage 13 of speaking, the distance that vibrating diaphragm 22 arrives the front operatic tunes 12 bottom surface is short.Away from the position of passage 13 of speaking, vibrating diaphragm 22 arrives the distance of the front operatic tunes 12 bottom surface.Such structural design makes the position oscillation space near passage 13 of speaking little, and the position oscillation space away from passage 13 of speaking is big.And oscillation space presents uniform contraction.Such structural design effectively balances the vibration resistance at speaker 21 two ends so that speaker 21 total stress everywhere levels off to unanimously substantially.THD and HOHD obtains good improvement.
Further, in order to better be gone out audio fruit.Can according to the size of speaker 21, and a series of factors affecting vibration resistance such as the length of the sound channel of passage 13 of speaking, pass through analytical calculation, it is determined that more rationally accurately before the angle that formed with vibrating diaphragm 22 place plane of the operatic tunes 12 bottom surface.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in scope of patent protection of the present utility model.

Claims (6)

1. a side goes out sound box with sound, the bonnet forming a casing and the speaker being housed in casing is mutually covered including protecgulum and described protecgulum, described speaker includes the vibrating diaphragm of a vibration sounding, described vibrating diaphragm arranges in the face of protecgulum and forms the operatic tunes before with protecgulum, described casing is provided with that one is positioned at vibrating diaphragm side and that direction of vibration with vibrating diaphragm is perpendicular passage of speaking, described passage of speaking is connected with the front operatic tunes, it is characterized in that, described vibrating diaphragm tapers into the direction close to passage of speaking away from distance from protecgulum of the side of passage of speaking.
2. side according to claim 1 goes out sound box with sound, it is characterized in that, described protecgulum is front inner surface in the face of the surface of vibrating diaphragm, and described front inner surface is arranged in horizontal direction, and the horizontal direction of the in-plane at described vibrating diaphragm and described front inner surface is an acute angle A.
3. side according to claim 1 goes out sound box with sound, it is characterised in that described vibrating diaphragm is arranged in horizontal direction, and described protecgulum is front inner surface in the face of the surface of vibrating diaphragm, and the horizontal direction of the in-plane at described front inner surface and vibrating diaphragm is an acute angle A.
4. side according to claim 1 goes out sound box with sound, it is characterised in that described bonnet is bonnet separator face in the face of the surface of described front inner surface.
5. side according to claim 1 goes out sound box with sound, it is characterised in that described vibrating diaphragm tapers into the direction close to passage of speaking away from distance from front inner surface of the side of passage of speaking.
6. side according to claim 1 goes out sound box with sound, it is characterised in that described vibrating diaphragm arranges back to bonnet and forms the operatic tunes after with bonnet.
CN201620017633.8U 2016-01-08 2016-01-08 Sound audio amplifier inclines out Expired - Fee Related CN205389261U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106303859A (en) * 2016-09-12 2017-01-04 深圳市信维通信股份有限公司 A kind of speaker of high tone quality
CN107548011A (en) * 2017-09-29 2018-01-05 维沃移动通信有限公司 A kind of audio amplifier and preparation method thereof
CN109218896A (en) * 2018-08-09 2019-01-15 瑞声科技(新加坡)有限公司 Car audio system
CN113114831A (en) * 2021-04-12 2021-07-13 维沃移动通信有限公司 Electronic device
WO2022183917A1 (en) * 2021-03-01 2022-09-09 华为技术有限公司 Loudspeaker and electronic device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106303859A (en) * 2016-09-12 2017-01-04 深圳市信维通信股份有限公司 A kind of speaker of high tone quality
CN106303859B (en) * 2016-09-12 2022-01-21 深圳市信维通信股份有限公司 Loudspeaker
CN107548011A (en) * 2017-09-29 2018-01-05 维沃移动通信有限公司 A kind of audio amplifier and preparation method thereof
CN109218896A (en) * 2018-08-09 2019-01-15 瑞声科技(新加坡)有限公司 Car audio system
WO2022183917A1 (en) * 2021-03-01 2022-09-09 华为技术有限公司 Loudspeaker and electronic device
CN113114831A (en) * 2021-04-12 2021-07-13 维沃移动通信有限公司 Electronic device

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160720

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CF01 Termination of patent right due to non-payment of annual fee