CN101908332B - Multifunctional musical instrument sound film - Google Patents

Multifunctional musical instrument sound film Download PDF

Info

Publication number
CN101908332B
CN101908332B CN 200910084943 CN200910084943A CN101908332B CN 101908332 B CN101908332 B CN 101908332B CN 200910084943 CN200910084943 CN 200910084943 CN 200910084943 A CN200910084943 A CN 200910084943A CN 101908332 B CN101908332 B CN 101908332B
Authority
CN
China
Prior art keywords
film
skin
sound
skeleton
sound film
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.)
Active
Application number
CN 200910084943
Other languages
Chinese (zh)
Other versions
CN101908332A (en
Inventor
刘正辉
刘佳寅
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.)
TAIXING STUDYING MUSICAL INSTRUMENT CO., LTD.
Original Assignee
BEIJING AOYU NEW MATERIAL TECHNOLOGY DEVELOPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BEIJING AOYU NEW MATERIAL TECHNOLOGY DEVELOPMENT Co Ltd filed Critical BEIJING AOYU NEW MATERIAL TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN 200910084943 priority Critical patent/CN101908332B/en
Publication of CN101908332A publication Critical patent/CN101908332A/en
Application granted granted Critical
Publication of CN101908332B publication Critical patent/CN101908332B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention relates to a multifunctional musical instrument sound film, which is characterized by comprising a membrane, a plastering agent, and a framework, wherein the membrane taking on scale picture patterns imitating garter snake skin and python molurus skin is integrally pasted with the rhombic net-shaped framework by using the plastering agent to form a plane sound film or a concave-convex sound film with scale picture patterns of garter snake skin and python molurus skin on the surface. The multifunctional musical instrument sound film has the advantages of more convenient operation, long life span, low price, environmental protection, and can achieve the visual and sound effect of wild python molurus skin and snake skin, and can further generate physical overlapping vibration to ensure that the sound stronger and more stable, after sound is thick and the sound volume is larger.

Description

Multifunctional musical instrument sound film
Technical field
The present invention relates to a kind of musical instrument sound film, particularly relate to a kind of multifunctional musical instrument sound film.
The invention still further relates to the purposes of this sound film.
Technical background
Membrane technology is widely used in people life now, and its function is varied, and what have can recognition material, have can conduct electricity, leaded light, what have can play centrifugation.The Water Cube of the 29th boundary Olympic Games in 2009 is that building materials forms with the film material also, and the potentiality of film application are infinite in a word, also can be along with the progress of science and technology, and the potential that performance makes new advances ...Once since the bionic snake skin jinghu appearance with the polycarbonate film production, be subjected to opera circle, folk music circle concert performer's commendation and certainly deeply, solved the problem that the wild snakeskin of traditional usefulness is made sound film, be that a kind of acoustics index reaches the snakeskin effect product of environmental protection again, for this product of penetration and promotion faster and better, in processing and fabricating method and imitative snakeskin sound effect some deficiency also.Because the skin technology of China's national musical instruments mostly adopts manual method of sewing to cover musical instrument surface processed at present, could can not be torn like this.Because of after polycarbonate membrane made by needlework, sound film very easily is torn, and can only adopt the method for anchor clamps to cover musical instrument processed, but this method of operating difficulty is big, and difficult quilt is promoted.The pronunciation of bionical skin on the other hand, be to rely on the plane vibration pattern of film to finish the vibration pronunciation, if allow sound film as true snakeskin again, suppress the orderly concave-convex effect of arrangement by special roll-in tube, the arrangement of this concavo-convex pattern can produce physics superpositing vibration effect in order, and sound effect is not bad.
Also silk flosssilk wadding materials such as useful nonwoven fabrics, dacron, silk, gauze kerchief, brocade or nylon cloth and be coated with the effect that upper glue layer forms " crisp plate " in the above and carry out covering at present, but it belongs to elastic material eventually, sound attenuating is big, and the musical instrument asophia is crisp, poor sensitivity.
Summary of the invention
Purpose of the present invention just for overcome above-mentioned oneself the shortcoming of existence of technology is arranged with not enough and a kind of multifunctional musical instrument sound film is provided, thereby solved the big problem of sound film operation easier processed of covering, can reach simultaneously wild boa, snakeskin sound effect again, owing to increased skeleton, concavo-convex sound film, can make the audio frequency conduction of sound film again, can produce physics superpositing vibration effect, sound is more solid and stable, lingering sound is more thick and heavy and volume is bigger, covers sound film processed simultaneously and can satisfy workshop-based manual needlework and make the batch process that operation can reach the industrialization formula again.
The objective of the invention is to realize by following technical proposal:
A kind of multifunctional musical instrument sound film, it is made up of hymeniderm, cementing agent and skeleton, described hymeniderm is polycarbonate membrane, polyimide film, polyamide membrane, high-strength polyethylene film or the polyester film that the individual layer injection moulding of 0.07~1.75mm thickness is imitative garter snake skin and boa skin ripple pattern, described skeleton is carbon fiber, aramid fiber or the superhigh molecular weight polyethylene fibers material of diamond-mesh, hymeniderm and cementing agent and diamond-mesh skeleton are compound to be one, and thickness is the plane sound film of 0.1~2.0mm.
Described this hymeniderm also can be polycarbonate membrane, polyimide film, polyamide membrane, high-strength polyethylene film or the polyester film of three layers of 0.03~0.6mm thickness and the cementing agent film that is combined into one, interlayer film has garter snake skin and boa skin ripple pattern, compound one film and bonding agent and diamond-mesh skeleton are combined into one again, and thickness is the plane sound film of 0.1~2.0mm.
A kind of multifunctional musical instrument sound film, formed by hymeniderm, cementing agent and skeleton, described hymeniderm is for being had polycarbonate membrane, polyimide film, polyamide membrane, high-strength polyethylene film or the polyester film of imitative garter snake skin and boa skin ripple pattern by the individual layer of 0.07~1.75mm thickness, described skeleton is carbon fiber, aramid fiber or the superhigh molecular weight polyethylene fibers material of diamond-mesh, hymeniderm and cementing agent and diamond-mesh skeleton are combined into one, and thickness is the concavo-convex sound film that the hymeniderm of 0.1~2.0mm is worn imitative garter snake skin and boa skin ripple projection.
Described this hymeniderm also can be polycarbonate membrane, polyimide film, polyamide membrane, high-strength polyethylene film or the polyester film of three layers of 0.03~0.6mm thickness and the cementing agent film that is combined into one, interlayer film has garter snake skin and boa skin ripple pattern, compound one film and cementing agent and diamond-mesh skeleton be compound one again, and thickness is the concavo-convex sound film that the hymeniderm of 0.1~2.0mm is worn imitative garter snake skin and boa skin ripple projection.
The rhombus length of side of described diamond-mesh skeleton is 2~5mm.
The present invention selects polycarbonate membrane, polyimide film, polyamide membrane, high-strength polyethylene film or polyester film for use, all is good sound film material, and through repetition test repeatedly, effect is fine.
It is a kind of nontoxic, tasteless environment-friendly materials for polycarbonate membrane, and water white transparency is heat-resisting, but also shock resistance not only, and the favorable mechanical performance is arranged.It is subjected to behind the high temperature or do not deform under the sunlight acute irradiation summer, does not shine quick-fried and " stepping on accent " problem, is not losing musical specific property below 70 ℃ through the physics heat resistant test, and its mechanics is potent to be better than snakeskin and the high temperature resistant humidity that can resist cold.
Polyimide film, it is high especially that it has good thermotolerance, physical strength, can keep good state in-200 ℃~400 ℃ temperature, and the anti-Strong degree of opening is in 103MPa numerical value.
Polyamide membrane is called for short PA, is commonly called as nylon, has nontoxic, light weight, good physical strength, wear-resistant, can stand up to ten thousand foldings and scratch and do not rupture.
The high-strength polyethylene film is called for short PE, and corrosion resistance is strong, and rigidity hardness, intensity are all higher.
Polyester film is exactly the PET film.PET is the abbreviation Chinese full name of English Polyethylene Terepthalate: the terephthalate tygon has superior physical property, firm performance, flexility and stretching Strong degree advantages of higher.
The present invention selects carbon fiber, aramid fiber or the superhigh molecular weight polyethylene fibers material membrane bone frame of uttering a word for use, wherein carbon fiber is a kind of mechanical characteristic with " light and strong " and " light and hard ", intensity is 10 times of iron, and quality is 1/4 of iron, multiple functional materials such as high temperature resistant, conduct vibrations is fast, also has stability, advantage such as vibration damping is little; Aramid fiber is the higher high-performance composite materials of a kind of strength ratio modular ratio, and it is little that it has density, the stretch modulus height, and the fracture strength height, disconnected difficult extensibility is lower, the good shrinkage factor of high-temperature stability is very low, anticorrosive, non-conductive; Superhigh molecular weight polyethylene fibers claims the high strength and modulus polyethylene fibre again.Molecular weight is at 1,000,000~5,000,000 the spun fiber of tygon.Density: 0.97~0.98g/cm3.Density than water is low, can swim in waterborne.Intensity: 2.8~4N/tex.Modulus: 91~140N/tex.Ductility: 3.5%~3.7%.Impact absorption can be high, wearing quality is good, friction factor is little, these mesh skeleton materials and plastics hymeniderm are combined into one and have warp and weft and arrange mesh skeleton in order, thereby the pulling strengrth with horizontal, vertical, the oblique different directions that strengthens hymeniderm, mesh skeleton and plastic foil are compound to be one owing to had, so is particularly suitable for the covering making of individual manual needlework formula.Also can make of the plant layout fixture type, adopt which kind of method covering to make all easily operations of musical instrument, be beneficial to very much penetration and promotion.
Adopt polycarbonate membrane, polyimide film, polyamide membrane, high-strength polyethylene film or the polyester film of three layers of 0.03~0.6mm thickness to be combined into one, there are garter snake skin and boa skin ripple pattern in the middle layer, garter snake skin and boa skin ripple pattern effect that this method obtains, acceptance impacts or when rubbing, the ripple pattern can not be damaged.
Have following advantage and effect owing to take technique scheme to make the technology of the present invention and oneself have technology to compare:
A) multifunctional musical instrument sound film of the present invention has overcome original exoskeletal membrane plane vibration mode that only depends on and has finished vibration pronunciation, because sound film has had skeleton or concavo-convex hymeniderm has been arranged, its effect can make with the sound film audio frequency vibration and produce the physics superpositing vibration, because superpositing vibration is greater than plane vibration, therefore make musical instrument sound more solid stable, lingering sound is more thick and heavy and volume is bigger
B) the netted rhombus skeleton arranged in order of skeleton and the compound one of various film is with the pulling strengrth of horizontal, vertical, the oblique different directions that strengthens film, cover the operation that sound film is applicable to small-sized musical instruments factory, workshop-based small enterprise and individual manual formula at the processing musical instrument, can carry out industrialized production again, when no matter adopting which kind of method to cover this sound film, operate all very convenient, be beneficial to the purpose that reaches penetration and promotion
C) because sound film has garter snake skin and boa skin ripple, thus can satisfy people to the visual effect of boa, snakeskin,
D) multiple sound film is applicable to that various musical instrument selects for use: as jinghu, people's urheen, trichord, small drum, waist drum etc.,
E) life-span long, low price, environment-friendly products.
Embodiment
Embodiment 1
Be imitative garter snake skin and the polycarbonate membrane of boa skin ripple pattern and the carbon fiber of cementing agent and diamond-mesh with the individual layer injection moulding of 0.07mm thickness, the rhombus limit be the skeleton of 2mm compound be one, thickness is the plane sound film of 0.1mm.
Embodiment 2
Be imitative garter snake skin and the polyimide film of boa skin ripple pattern and the aramid fiber of cementing agent and diamond-mesh with the individual layer injection moulding of 1.4mm thickness, the rhombus limit be the skeleton of 2.5mm compound be one, thickness is the plane sound film of 1.5mm.
Embodiment 3
Individual layer injection moulding with 1.75mm thickness is imitative garter snake skin and the polyamide membrane of boa skin ripple pattern and the ultra-high-molecular-weight polyethylene fiber of cementing agent and diamond-mesh, and the rhombus limit is the compound one of the skeleton of 3.0mm, and thickness is the plane sound film of 2.0mm.
Embodiment 4
With the high-strength polyester vinyl film of three layers of 0.03mm thickness and the cementing agent film that is combined into one, interlayer film has garter snake skin and boa skin ripple pattern, the carbon fiber of compound one film and bonding agent and diamond-mesh, rhombus limit are that the skeleton of 2mm is combined into one again, and thickness is the plane sound film of 0.1mm.
Embodiment 5
With the polyester film of three layers of 0.3mm thickness and the cementing agent film that is combined into one, interlayer film has garter snake skin and boa skin ripple pattern, the aramid fiber of compound one film and bonding agent and diamond-mesh, rhombus limit are that the skeleton of 3.5mm is combined into one again, and thickness is the plane sound film of 1.0mm.
Embodiment 6
With the polycarbonate membrane of three layers of 0.6mm thickness and the cementing agent film that is combined into one, interlayer film has garter snake skin and boa skin ripple pattern, the superhigh molecular weight polyethylene fibers of compound one film and bonding agent and diamond-mesh, the rhombus limit is that the skeleton of 5mm is combined into one again, and thickness is the plane sound film of 2.0mm.
Embodiment 7
Individual layer injection moulding with 0.07mm thickness is imitative garter snake skin and the polycarbonate membrane of boa skin ripple pattern and the carbon fiber of cementing agent and diamond-mesh, the rhombus limit is that the skeleton of 2mm is compound for one, and thickness is the concavo-convex sound film that the hymeniderm of 0.1mm is worn imitative garter snake skin and boa skin ripple projection.
Embodiment 8
Individual layer injection moulding with 1.4mm thickness is imitative garter snake skin and the polyimide film of boa skin ripple pattern and the aramid fiber of cementing agent and diamond-mesh, the rhombus limit is that the skeleton of 2.5mm is compound for one, and thickness is that the hymeniderm of 1.5mm has been worn imitative garter snake skin and boa skin ripple projection embossed film sound film.
Example 9
Individual layer injection moulding with 1.75mm thickness is imitative garter snake skin and the polyamide membrane of boa skin ripple pattern and the ultra-high-molecular-weight polyethylene fiber of cementing agent and diamond-mesh, the rhombus limit is the compound one of the skeleton of 3.0mm, and thickness is that the hymeniderm of 2.0mm has been worn imitative garter snake skin and boa skin ripple projection embossed film sound film.
Embodiment 10
With the high-strength polyester vinyl film of three layers of 0.03mm thickness and the cementing agent film that is combined into one, interlayer film has garter snake skin and boa skin ripple pattern, the carbon fiber of compound one film and bonding agent and diamond-mesh, the rhombus limit is that the skeleton of 2mm is combined into one again, and thickness is that the hymeniderm of 0.1mm has been worn imitative garter snake skin and boa skin ripple projection embossed film sound film.
Embodiment 11
With the polyester film of three layers of 0.3mm thickness and the cementing agent film that is combined into one, interlayer film has garter snake skin and boa skin ripple pattern, the aramid fiber of compound one film and bonding agent and compound one film and bonding agent and diamond-mesh, the rhombus limit is that the skeleton of 3.5mm is combined into one again, and thickness is that the hymeniderm of 1.0mm has been worn imitative garter snake skin and boa skin ripple projection embossed film sound film.
Embodiment 12
With the polycarbonate membrane of three layers of 0.6mm thickness and the cementing agent film that is combined into one, interlayer film has garter snake skin and boa skin ripple pattern, the superhigh molecular weight polyethylene fibers of compound one film and bonding agent and diamond-mesh, the rhombus limit is that the skeleton of 5mm is combined into one again, and thickness is that the hymeniderm of 2.0mm has been worn imitative garter snake skin and boa skin ripple projection embossed film sound film.

Claims (3)

1. multifunctional musical instrument sound film, it is characterized in that it is by hymeniderm, cementing agent and skeleton are formed, described hymeniderm is the polycarbonate membrane that the individual layer injection moulding of 0.07~1.75mm thickness is imitative garter snake skin and boa skin ripple pattern, polyimide film, polyamide membrane, high-strength polyethylene film or polyester film, described skeleton is the carbon fiber of diamond-mesh, aramid fiber or superhigh molecular weight polyethylene fibers material, hymeniderm and cementing agent and diamond-mesh skeleton are compound to be one, described sound film thickness is 0.1~2.0mm, and described sound film surface is for the plane or for having the male and fomale(M﹠F) of imitative garter snake skin and boa skin ripple projection.
2. multifunctional musical instrument sound film, it is characterized in that it is by hymeniderm, cementing agent and skeleton are formed, described hymeniderm is polycarbonate membrane, polyimide film, polyamide membrane, the trilamellar membrane skin of high-strength polyethylene film or polyester film is with the cementing agent film that is combined into one, trilamellar membrane skin gross thickness is 0.03~0.6mm, there are garter snake skin and boa skin ripple pattern in the middle layer of trilamellar membrane skin, described skeleton is the carbon fiber of diamond-mesh, aramid fiber or superhigh molecular weight polyethylene fibers material, trilamellar membrane skin and cementing agent and diamond-mesh skeleton are compound to be one, described sound film thickness is 0.1~2.0mm, and described sound film surface is for the plane or for having the male and fomale(M﹠F) of imitative garter snake skin and boa skin ripple projection.
3. according to claim 1 or 2 described multifunctional musical instrument sound films, the rhombus length of side that it is characterized in that described diamond-mesh skeleton is 2~5mm.
CN 200910084943 2009-06-04 2009-06-04 Multifunctional musical instrument sound film Active CN101908332B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200910084943 CN101908332B (en) 2009-06-04 2009-06-04 Multifunctional musical instrument sound film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200910084943 CN101908332B (en) 2009-06-04 2009-06-04 Multifunctional musical instrument sound film

Publications (2)

Publication Number Publication Date
CN101908332A CN101908332A (en) 2010-12-08
CN101908332B true CN101908332B (en) 2013-08-07

Family

ID=43263776

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200910084943 Active CN101908332B (en) 2009-06-04 2009-06-04 Multifunctional musical instrument sound film

Country Status (1)

Country Link
CN (1) CN101908332B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102194448A (en) * 2011-04-11 2011-09-21 王桂荣 Artificial musical instrument sounding membrane
CN102867502A (en) * 2012-09-28 2013-01-09 佘亚明 Musical instrument cylinder covering method of bowed stringed instrument
CN107039023A (en) * 2017-06-05 2017-08-11 方仁俊 For make plucked instrument sheet material, make the sheet material method and plucked instrument

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1371089A (en) * 2002-02-04 2002-09-25 李培俊 Artificial boa skin structure for use in music instrument
CN1730263A (en) * 2005-08-23 2006-02-08 刘正辉 Method for manufacturing artificial bionic snake skin
CN1780496A (en) * 2004-11-19 2006-05-31 朱树同 Sounding membrane board of loundspeaker
CN2824216Y (en) * 2005-09-15 2006-10-04 司徒钮 Snake skin imitated artificial audio-diaphragm
CN201035951Y (en) * 2007-04-02 2008-03-12 刘正辉 Qin cartridge of Beijing Erhu

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1371089A (en) * 2002-02-04 2002-09-25 李培俊 Artificial boa skin structure for use in music instrument
CN1780496A (en) * 2004-11-19 2006-05-31 朱树同 Sounding membrane board of loundspeaker
CN1730263A (en) * 2005-08-23 2006-02-08 刘正辉 Method for manufacturing artificial bionic snake skin
CN2824216Y (en) * 2005-09-15 2006-10-04 司徒钮 Snake skin imitated artificial audio-diaphragm
CN201035951Y (en) * 2007-04-02 2008-03-12 刘正辉 Qin cartridge of Beijing Erhu

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2001-117557A 2001.04.27

Also Published As

Publication number Publication date
CN101908332A (en) 2010-12-08

Similar Documents

Publication Publication Date Title
Zhao et al. A Stiffness‐Switchable, Biomimetic Smart Material Enabled by Supramolecular Reconfiguration
Pil et al. Why are designers fascinated by flax and hemp fibre composites?
CN101908332B (en) Multifunctional musical instrument sound film
Khalil et al. Bamboo fibre reinforced biocomposites: A review
CN102543048B (en) Soundboard of musical instrument with strings
JP2006044264A (en) Decorative molded article and its production method
CN203055418U (en) Soundboard of musical instrument with strings
CN105155286A (en) Preparation method of multifunctional environment-friendly leather fabric
CN107042559A (en) A kind of high-intensity fiber element/lignin composite with reinforced concrete structure and preparation method thereof
NZ280213A (en) Multilayer composite comprising a layer of impact-resistant polymethylmethacrylate and a layer of styrene-acrylonitrile copolymer; moulded articles
EP3858599A1 (en) Surface-coated film, surface-coated fiber-reinforced resin molded product, and manufacturing method thereof
CN107507605B (en) Duplex chord harmonica
CN104404784A (en) Process for producing superfine fiber leather
Truong Composite architecture: building and design with carbon fiber and FRPs
CN1176454C (en) Artificial boa skin structure for use in music instrument
Fojtl et al. Manufacturing and mechanical characterization of bio-based laminates and sandwich structures
CN201562450U (en) Meshed composite musical instrument skin
WO2017093865A1 (en) Biodegradable composite material of natural manicaria saccifera fibre and polylactic acid and production method thereof
CN201984793U (en) Multifunctional erhu
CN209320420U (en) Multi-functional self-contained three-dimensional integrated wall paper
CN208107513U (en) A kind of mobile phone plays handle
Lin et al. Manufacturing technique of sound-absorbent PET/TPU composites
CN113650316B (en) Device and method for processing continuous folding type vibration-damping and auxetic textile composite material
TWI537450B (en) Hot melt adhesive film, producing method of the same, and application thereof
CN220246005U (en) Shock-resistant, non-folding and white and matt surface decorative film

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: BEIJING AOYU NEW MATERIALS TECHNOLOGY DEVELOPMENT

Free format text: FORMER OWNER: LIU ZHENGHUI

Effective date: 20110322

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 100053 ROOM 17-16, BUILDING 3, AREA 5, JIANGONG BEILI, XUANWU DISTRICT, BEIJING TO: 102628 ROOM 208, AOYU BUILDING, NO. 2, JINYUAN ROAD, DAXING INDUSTRIAL DEVELOPMENT AREA, BEIJING

TA01 Transfer of patent application right

Effective date of registration: 20110322

Address after: Aoyu No. 2 building, 102628 Beijing Jinyuan Daxing Industrial Development Zone Road, room 208

Applicant after: Beijing Aoyu New Material Technology Development Co., Ltd.

Address before: 100053 Beijing city Xuanwu District Jiangong North five District No. 3 building 17-16 room

Applicant before: Liu Zhenghui

C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: LIU ZHENGHUI

Free format text: FORMER OWNER: BEIJING AOYU NEW MATERIALS TECHNOLOGY DEVELOPMENT CO., LTD.

Effective date: 20130826

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 102628 DAXING, BEIJING TO: 100053 XUANWU, BEIJING

TR01 Transfer of patent right

Effective date of registration: 20130826

Address after: 100053 Beijing city Xuanwu District Jiangong North five District No. 3 building 17-16 room

Patentee after: Liu Zhenghui

Address before: Aoyu No. 2 building, 102628 Beijing Jinyuan Daxing Industrial Development Zone Road, room 208

Patentee before: Beijing Aoyu New Material Technology Development Co., Ltd.

C56 Change in the name or address of the patentee
CP02 Change in the address of a patent holder

Address after: 100053 Beijing city Xicheng District Jiangong North five District No. three building 17-16 room

Patentee after: Liu Zhenghui

Address before: 100053 Beijing city Xuanwu District Jiangong North five District No. 3 building 17-16 room

Patentee before: Liu Zhenghui

TR01 Transfer of patent right

Effective date of registration: 20170527

Address after: 225419 Taixing Qin Yi musical instrument Co., Ltd., No. 8 Hua Dong Road, brook bridge, Taixing, Jiangsu

Patentee after: TAIXING STUDYING MUSICAL INSTRUMENT CO., LTD.

Address before: 100053 Beijing city Xicheng District Jiangong North five District No. three building 17-16 room

Patentee before: Liu Zhenghui