[go: up one dir, main page]

WO1999009788A1 - Enveloppe protectrice pour prothese auditive - Google Patents

Enveloppe protectrice pour prothese auditive Download PDF

Info

Publication number
WO1999009788A1
WO1999009788A1 PCT/JP1998/003521 JP9803521W WO9909788A1 WO 1999009788 A1 WO1999009788 A1 WO 1999009788A1 JP 9803521 W JP9803521 W JP 9803521W WO 9909788 A1 WO9909788 A1 WO 9909788A1
Authority
WO
WIPO (PCT)
Prior art keywords
hearing aid
cover
ear
protective cover
hearing
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.)
Ceased
Application number
PCT/JP1998/003521
Other languages
English (en)
Japanese (ja)
Inventor
Chizuko Honda
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU85610/98A priority Critical patent/AU8561098A/en
Publication of WO1999009788A1 publication Critical patent/WO1999009788A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/021—Behind the ear [BTE] hearing aids
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/658—Manufacture of housing parts

Definitions

  • the present invention relates to a hearing aid protection cover to be used by being attached to a hearing aid to protect the hearing aid worn by a hearing-impaired person from sweat, dust, moisture, ear dripping, earwax and the like.
  • This is an ear-hook type hearing aid which is a protective power bar that is formed into a bag shape with a rubber-like elastic film, which covers the outer periphery of the hearing aid to prevent sweat and dust from adhering to the hearing aid. .
  • the conventional protective cover is formed in a bag shape, it is necessary to remove the protective cover from the hearing aid when replacing the battery.
  • a metal-air battery is often used as a power supply, but the conventional protective cover seals the hearing aid with a rubber-like elastic film, so there is not enough oxygen to be used as a positive electrode depolarizer, so an air battery is appropriate. May not work.
  • the portion corresponding to the input hole of the microphone is formed of a porous film separate from the protective cover, the number of parts increases and the manufacturing cost increases accordingly.
  • the conventional protective cover is formed according to the external shape of a specific hearing aid, so it can be applied to only one type.
  • an object of the hearing aid protection cover according to claim 1 or 2 is to prevent the function of the hearing aid from being hindered.
  • the electronic circuit of the hearing aid does not break down due to sweat or dust, the battery can be easily replaced, it can be used with various types of hearing aids, and it can be easily attached to and detached from the hearing aid at low cost.
  • the purpose of the hearing aid protection cover described in claim 3 or 4 is not to impair the function of the hearing aid, but also to protect the hearing aid effectively from drooling and earwax. To provide a cover. Disclosure of the invention
  • the hearing aid protective cover according to claim 1 of the present invention is a protective cover for a hearing aid, which has a tubular shape that can cover the outer periphery of the hearing aid body.
  • a configuration in which the cover body is formed of nits and openings are formed at both ends of the cover body is adopted.
  • the cover body is made of knit to take advantage of the stretch and breathability of the knit.
  • a knitting yarn composed of natural fibers such as cotton and silk and chemical fibers such as nylon and polyester acrylic can be used.
  • As a knitting yarn it is preferable to use cotton that absorbs the moisture of sweat moderately, has good texture, and has little change in texture.
  • the water-repellent treatment is a process for imparting water-repelling properties to fibers by making the fibers hydrophobic using silicone resin or fluororesin. It is preferable to use a thin knitting yarn to prevent bulkiness.
  • the cover body is preferably formed in a flesh color so that it is difficult to recognize that the hearing aid is being used.
  • the protective power of the eyeglass-type hearing aid is provided.
  • a cover is formed by knitting a cylindrical cover body capable of covering a hearing aid portion of a vine of glasses, and openings are formed at both ends of the cover body.
  • the reason why the cover body is made of a soot is to utilize the elasticity and air permeability of the knit as in the case of claim 1.
  • the knitting yarn used as the material for the knit is the same as in claim 1.
  • a protective force bar for an ear-type hearing aid wherein a bag-shaped power bar integral with a size capable of covering the hearing aid body is formed by two pieces of software.
  • a structure was adopted in which a fastening cord was attached to the opening of the cover body, and a knitting yarn formed of a hydrophobic fiber or a hydrophilic fiber subjected to a water-repellent treatment was used as a knit material. The reason why the cover body is made of nit is to utilize the elasticity and air permeability of the nit.
  • the reason for using a knitting yarn formed of hydrophobic fibers or hydrophilic fibers subjected to a water-repellent treatment as a material of the knit is to protect earphones and electronic circuits of a hearing aid from ear dripping and earwax. It is preferable to use a thin knitting yarn such as a silk yarn in order to prevent bulkiness.
  • a protective force bar of the ear-type hearing aid which is formed of a nit, is a bag-shaped power bar having a size capable of covering the hearing aid body.
  • An elastically contracted portion is formed in the opening of the cover body, a take-out string is provided on the cover body, and a hydrophobic fiber or a hydrophilic fiber subjected to a water repellent treatment is used as a knit material.
  • the configuration using the formed knitting yarn was adopted. The reason why the cover is made of knit is to utilize the stretch and air permeability of the knit.
  • the reason for using knitting yarns formed of hydrophobic fibers or hydrophilic fibers subjected to water repellency as a material of the knit is to protect earphones and electronic circuits of the hearing aid from ear dripping and earwax. It is preferable to use a thin knitting yarn such as silk yarn to prevent bulkiness.
  • the hearing aid protective cover since the hearing aid body is covered with the cylindrical cover body, the electronic circuit of the hearing aid, the personal computer, and the like are absorbed by sweat, dust, water droplets, and the like. It is possible to prevent black phones, earphones, and the like from breaking down.
  • a knitting yarn made of natural fibers such as cotton is used as the material of the nits that make up the hippopotamus, the hippopotamus absorbs moderately water to prevent the hearing aid from malfunctioning, and also causes the wearer's stuffiness and rough skin.
  • a knitting yarn obtained by subjecting a hydrophobic fiber or a natural fiber to a water-repellent treatment may be used.
  • the cover is made of knit and the cover is made air-permeable, covering the microphone with the cover does not hinder sound collection and adversely affects the operation of the air battery. I do not give.
  • it since it has strength and physical strength, it can be easily attached to and detached from hearing aids, and can be used for various types of ear-hearing hearing aids.
  • openings are formed at both ends of the cover, when replacing batteries or adjusting the volume of the hearing aid or operating the switch, turn up one end of the cover to expose the hearing aid. It can be carried out.
  • the force of covering the outer periphery of the hearing aid with the cover body can prevent a failure due to its buffering effect even if the hearing aid is dropped.
  • the hearing aid protection cover since the hearing aid part of the vine of the glasses is covered with a cylindrical cover body, the electronic circuit, microphone, earphone, etc. of the hearing aid may be broken due to sweat, water droplets, or the like. Can be prevented.
  • knitting yarn made of natural fibers such as cotton is used as the material for the nit, cover the body force and water properly to prevent hearing aid failure and to prevent the wearer from getting wet and rough skin.
  • a hydrophobic fiber or a natural fiber subjected to a water-repellent treatment may be used.
  • the cover is made of nits to make the cover air-permeable, covering the microphone portion with the cover does not interfere with sound collection.
  • the body is elastic, it is easy to attach the glasses to the vine.
  • openings are formed at both ends of the cover, so when replacing batteries or hearing aids When controlling the volume of the device or performing a switch operation, the user can turn up one end of the cover to expose the base end of the hearing aid unit.
  • the ear-type hearing aid is covered with a cover body knitted with a knitting yarn made of a hydrophobic fiber or a fiber subjected to water repellency treatment, the ear drooping or the like may occur.
  • Hearing aids can be protected from earwax. ⁇ ⁇ ⁇ ⁇ When taking out the ear-type hearing aid from the ear, it can be done by pinching and pulling out the tightening cord or withdrawal cord.
  • FIG. 1 is an explanatory diagram showing a protective cover for an ear-hearing hearing aid
  • FIG. 2 is an explanatory diagram showing its use
  • FIG. 3 is an explanatory diagram showing a protective cover for eyeglass-type hearing aids
  • FIG. FIG. 5 is a perspective view showing a protective cover for a hearing aid of a type
  • FIG. 5 is a perspective view showing another example of a protective cover for an in-ear type hearing aid.
  • FIG. 1 is a perspective view showing a protective force bar of an ear-hook type hearing aid
  • FIG. 2 is an explanatory view showing a state of use thereof.
  • the hearing aid protection cover -A is a protection cover for an ear-hook type hearing aid, and is formed as a cylindrical cover 2 having a size that covers the outer periphery of the hearing aid main body 1 with a software. ing. Reference numerals 3, 3 denote openings at both ends of the cover body 2, and the opening ends are formed by elastic pieces 4, 4, such as rubber threads. Cotton yarn is used as the knit material. Since cotton absorbs the moisture of sweat moderately, it is possible to prevent the sweat from adhering to the hearing aid body 1 and damage the electronic circuits and electronic components of the hearing aid. In addition, cotton is preferable as a material of the cover body because it has a good texture, has little change in texture, and has high washing resistance, but is not limited thereto.
  • 5 is a hanger
  • 6 is an earplug tube
  • 7 is earplugs
  • 8 is a volume control unit
  • 9 is a switch.
  • the protective cover A when attaching the protective cover A to the hearing aid main body 1, the protective cover A is inserted through the upper end opening 3 so that the upper end opening 3 is located in the middle of the hanger 15 as shown in FIG. The entire outer periphery of the hearing aid body 1 is covered so that the opening 3 is located below the lower end of the hearing aid body 1.
  • the hearing aid with the protective cover A is used by hanging it on the pinna as usual.
  • the cover body 2 since the cover body 2 covers the entire outer periphery of the hearing aid body 1, even when sweating during use, the cover body 2 absorbs water and adheres to the hearing aid body 1 Can be prevented. With this force, it is possible to prevent the electronic circuits and electronic components in the hearing aid main body 1 from being broken due to sweat.
  • the cover 2 is made of a knit so that the cover 2 has air permeability, covering the microphone portion with the cover 2 does not hinder sound collection, and the air battery. It does not adversely affect the operation of Further, since the cover body has two-stretchability, it can be easily attached to and detached from a hearing aid, and can be used for various types of ear-hearing hearing aids. Also, since the openings 3 are formed at both ends of the cover 1, the end of the cover 2 must be turned up when replacing batteries, or when controlling the volume of the hearing aid or operating the switch. This can be done by exposing the hearing aid body.
  • a protective cover B for a spectacle-type hearing aid which has the same configuration as the protective cover A of the above-described embodiment. The only difference is that the hearing aid section 12 is worn around the outside.
  • the cover body 2 covers the entire outer periphery of the hearing aid section 12, so even if the user sweats, the cover body 2 absorbs moisture and adheres to the hearing aid section 12. Can be prevented. With this force, it is possible to prevent the electronic circuits and electronic components in the hearing aid unit 12 from being damaged due to sweat. Also, the cover 2 is formed of a knit so that the cover 2 has air permeability. As a result, even if the microphone portion is covered with the cover body 2, there is no problem with sound collection, and the operation of the air battery is not adversely affected. In addition, the cover body has two strengths and elasticity, so that it can be easily attached and detached. Also, use the force that forms the openings 3 and 3 at both ends of the power bar body to flip up the end of the cover body 2 when changing batteries, adjusting the volume of the hearing aid, or performing switch operations. Can be performed more easily.
  • FIG. 4 what is shown in FIG. 4 is a protective cover C for an ear-type hearing aid, and a bag-like power bar 1 large enough to cover an ear-type hearing aid body (not shown).
  • the cover 13 is knitted with a water-repellent knitting yarn while the drawstring-shaped tightening cord 15 is attached to the opening 14 of the cover body 13. .
  • hydrophobic fibers are used as the material for the nit, it is not necessary to apply a water-repellent treatment.
  • the ear-type hearing aid main body is accommodated in the cover body 13 and inserted into the ear after the strap 15 is closed.
  • Reference numeral 16 denotes a strapping strapper.
  • the cover body 13 is knitted with a knitting yarn made of hydrophobic fiber or water-repellent fiber, so that even a person who has drooping ears can protect it by being flipped by the cover body 13.
  • the electronic circuit of the hearing aid and earphones can be prevented from being damaged without entering the cover C.
  • Other operations are the same as those of the above embodiment.
  • FIG. 5 shows another example of a protective cover for an ear-type hearing aid.
  • the protective cover D has an elastically contracted portion 17 in the opening 14 and When the take-out cord 18 is attached to the cover body 13 and taken out, the only difference is that the take-out cord 18 is pulled, and the other configuration and operation are the same as those in the above embodiment.
  • the cover body 2 may be knitted with cotton yarn and knitted yarn made of other natural fibers or chemical fibers. Industrial applicability
  • the hearing aid protection force bar As described above, in the hearing aid protection force bar according to claim 1 of the present invention, since the main body of the hearing aid is covered with the cylindrical cover body, the electronic circuit of the hearing aid, the microphone, It is possible to prevent the earphone and the like from breaking down. This effect is remarkable when a knitting yarn made of a hydrophobic fiber or a fiber obtained by performing a water-repellent treatment on a natural fiber is used as a knit material constituting the cover body. Also, when a knitting yarn made of natural fiber is used as the knit material, the cover body absorbs sweat to prevent the hearing aid from malfunctioning and to prevent wear on the wearer and rough skin.
  • the cover is made of nits and the cover is made air-permeable, covering the microphone and microphone with the cover does not hinder sound collection. It does not adversely affect the operation of
  • the cover body has elasticity and can be easily attached to and detached from a hearing aid, and can be used for various types of ear-hearing hearing aids.
  • openings are formed at both ends of the cover, when replacing batteries or adjusting the volume of the hearing aid or operating the switch, flip up the end of the cover to expose the hearing aid. Can be done.
  • the outer periphery of the hearing aid is covered with a cover, even if the hearing aid is dropped, a failure can be prevented by its buffering effect.
  • the hearing aid protective cover since the hearing aid portion of the vine of the glasses is covered with the cylindrical cover body, the electronic circuit, the microphone, the earphone, and the like of the hearing aid break due to sweat or water drops. Can be prevented. It is more effective to use a knitting yarn made of hydrophobic fiber or water-repellent fiber as a material of the knit. Also, as a knit material When a knitting yarn made of natural fibers is used, the cover body absorbs sweat to prevent the hearing aid from malfunctioning and to prevent the wearer from getting wet and rough skin. In addition, since the cover is made of knit and the cover is made air-permeable, covering the microphone with the cover does not hinder sound collection and adversely affects the operation of the air battery. I do not give. In addition, since the openings are formed at both ends of the power bar body, when changing batteries or performing volume control or switch operation of the hearing aid, flip up the end of the cover body to expose the hearing aid. Can be performed.
  • the hearing aid protection cover since the ear-type hearing aid is covered with a cover body knitted with a knitting yarn made of hydrophobic fiber or water-repellent fiber, ear dripping and earwax are caused.
  • the hearing aid can be protected from noise. ⁇
  • the user When taking out the ear-type hearing aid from the ear, the user can pinch and pull out the tightening cord or the removal cord.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Knitting Of Fabric (AREA)

Abstract

L'invention concerne une enveloppe protectrice de faible coût destinée à une prothèse auditive de type à pince capable de protéger un circuit électronique de ladite prothèse auditive, etc., contre la transpiration, les poussières, etc., sans gêner les fonctions de ladite prothèse auditive, facilitant le remplacement des piles, capable de s'adapter à divers types de prothèses autiditives, et pouvant être placée sur la prothèse auditive et retirée de celle-ci facilement, comprenant un corps cylindrique (2) en tissu à maille destiné à recouvrir la périphérie extérieure du corps (1) de la prothèse auditive ainsi que les parties ouvertes (3, 3) formées aux deux extrémités du corps (2) de l'enveloppe.
PCT/JP1998/003521 1997-08-18 1998-08-06 Enveloppe protectrice pour prothese auditive Ceased WO1999009788A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU85610/98A AU8561098A (en) 1997-08-18 1998-08-06 Hearing aid protective cover

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9/237752 1997-08-18
JP9237752A JPH1169497A (ja) 1997-08-18 1997-08-18 補聴器保護カバ−

Publications (1)

Publication Number Publication Date
WO1999009788A1 true WO1999009788A1 (fr) 1999-02-25

Family

ID=17019948

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1998/003521 Ceased WO1999009788A1 (fr) 1997-08-18 1998-08-06 Enveloppe protectrice pour prothese auditive

Country Status (3)

Country Link
JP (1) JPH1169497A (fr)
AU (1) AU8561098A (fr)
WO (1) WO1999009788A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7043038B2 (en) * 2002-07-24 2006-05-09 Phonak Ag In-the-ear hearing device
EP1465457A3 (fr) * 2003-04-02 2007-09-05 Starkey Laboratories, Inc. Prothèse auditive avec accessoire de maquillage et couvercle fonctionnel
AU2003204207B2 (en) * 2002-07-24 2008-08-21 Phonak Ag In-the-ear hearing device

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29917519U1 (de) * 1999-09-29 2001-02-15 Sennheiser electronic GmbH & Co. KG, 30900 Wedemark Einrichtung zum Schutz eines Mikrofons
US7014010B2 (en) * 2000-06-30 2006-03-21 Phonak Ag Method for manufacturing an ear device and ear device
US6894456B2 (en) 2001-11-07 2005-05-17 Quallion Llc Implantable medical power module
US7003356B2 (en) 2002-03-08 2006-02-21 Quallion Llc Battery terminal sealing and supporting device and method
USD632874S1 (en) * 2010-07-26 2011-02-22 Apostolos Stephanis Arm sleeve cover
US10075786B2 (en) 2016-01-21 2018-09-11 Jared Larsen Headphone earpiece cover

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03227200A (ja) * 1990-01-31 1991-10-08 Aiwa Co Ltd イヤホンパッドの製造方法およびイヤホンパッド
JPH0644290A (ja) * 1990-10-31 1994-02-18 Internatl Business Mach Corp <Ibm> 高速フーリエ変換を行うための方法および装置
JPH0681196U (ja) * 1993-04-14 1994-11-15 株式会社ミヨシ カバー付き耳栓形イヤホン

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03227200A (ja) * 1990-01-31 1991-10-08 Aiwa Co Ltd イヤホンパッドの製造方法およびイヤホンパッド
JPH0644290A (ja) * 1990-10-31 1994-02-18 Internatl Business Mach Corp <Ibm> 高速フーリエ変換を行うための方法および装置
JPH0681196U (ja) * 1993-04-14 1994-11-15 株式会社ミヨシ カバー付き耳栓形イヤホン

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7043038B2 (en) * 2002-07-24 2006-05-09 Phonak Ag In-the-ear hearing device
AU2003204207B2 (en) * 2002-07-24 2008-08-21 Phonak Ag In-the-ear hearing device
AU2003204207B8 (en) * 2002-07-24 2008-09-11 Phonak Ag In-the-ear hearing device
US7454028B2 (en) 2002-07-24 2008-11-18 Phonak Ag In-the-ear hearing device
EP1465457A3 (fr) * 2003-04-02 2007-09-05 Starkey Laboratories, Inc. Prothèse auditive avec accessoire de maquillage et couvercle fonctionnel

Also Published As

Publication number Publication date
AU8561098A (en) 1999-03-08
JPH1169497A (ja) 1999-03-09

Similar Documents

Publication Publication Date Title
US20120057740A1 (en) Security and protection device for an ear-mounted audio amplifier or telecommunication instrument
US8180083B2 (en) Protective cover for behind-the-ear hearing aid device
US9743168B2 (en) Flexible earphone cover
US7869615B2 (en) Sound-box type earphone housing, headset with sound-box type earphone housings
US7558394B2 (en) Systems and methods for in situ cerumen removal from hearing devices
US20070226876A1 (en) Headgear with pockets for carrying an audio device and a method for using the same
WO1999009788A1 (fr) Enveloppe protectrice pour prothese auditive
CA2443580A1 (fr) Coquille antibruit comportant un ecouteur
US7466836B2 (en) Removal tool for in situ cerumen removal from hearing devices
KR200314976Y1 (ko) 귀마개
EP3797618A1 (fr) Système de rétention de masque facial
CA2758399A1 (fr) Dispositif de securite et protection pour un amplificateur audio porte a l&#39;oreille ou un instrument de telecommunication
JP3061749U (ja) 補聴器保護カバ―
JP2024097846A (ja) 耳装着機器
CN212141192U (zh) 一种具有通信功能的医用防毒头罩
CN211656385U (zh) 一种新型便捷佩戴式助听器
JPH1169498A (ja) 補聴器用吸汗シ−ト
JP7676855B2 (ja) 集音機器
WO2001068018A1 (fr) Masque auriculaire impermeable a l&#39;eau et a la poussiere
CN219204663U (zh) 一种耳机机壳
KR101132946B1 (ko) 마스크
KR200216102Y1 (ko) 귀 보호구
CN218245789U (zh) 滤芯可更换的防护口罩
CN221512441U (zh) 一种防尘型耳塞
CN219068342U (zh) 一种头戴式耳机

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AT AU CA CH CN DE DK ES GB KR PT SE US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: KR

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

122 Ep: pct application non-entry in european phase
NENP Non-entry into the national phase

Ref country code: CA