SU648055A3 - Ушной вкладыш - Google Patents
Ушной вкладышInfo
- Publication number
- SU648055A3 SU648055A3 SU731881316A SU1881316A SU648055A3 SU 648055 A3 SU648055 A3 SU 648055A3 SU 731881316 A SU731881316 A SU 731881316A SU 1881316 A SU1881316 A SU 1881316A SU 648055 A3 SU648055 A3 SU 648055A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- ear plug
- ear
- liner
- compression
- ear canal
- Prior art date
Links
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 210000000613 ear canal Anatomy 0.000 description 3
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/06—Protective devices for the ears
- A61F11/08—Protective devices for the ears internal, e.g. earplugs
- A61F11/10—Protective devices for the ears internal, e.g. earplugs inflatable or expandable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/06—Protective devices for the ears
- A61F11/08—Protective devices for the ears internal, e.g. earplugs
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Otolaryngology (AREA)
- Psychology (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Acoustics & Sound (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Headphones And Earphones (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
(54) УШНОЙ ВКЛАДЫШ
-;.. . . 1
Иэо етение относнтс к йед пннской технике, в частности к устройствам дл зааипа от вредйык шумов анатомического спухового аппарата.
H; eet«wft вкладыш содержит тело, отно «р егающее к слуховому проходу чеаов€жа 1.
Известный ушной вкладыш не по вол П(ф@крыть сл у ЕОВоЙ проход.
Целью иэофетеви вл € тс обеспечаше перекрыта слухового прохода.
Ileib.достигаетс тетл, что в пр длагаемом ушном вкладыше теио выполйено иэ упругого пласт18фипщк 8анного 1юлвм0риого материала с пед истой структурой, например полввннилхпоржда или ех nnscfmaona, обладающего достаточно высокой конаентрапией орт авоческого п встхфкатора, имеюшего скорость утфугого врсстановл&НЕЯ щж cresi ssez сжати его 6О - 4О% от 1 ffo 6О с и равновесное давление при степени сжати 4О% в пределах О,014-0,О91 кг/см.
Тело выполнено в виде оИлиндра шш усеченного конуса.
Материал имеет скорость восстановлени при степени сжати 6О - 4О% предпочтительно 2 - 2О с.
Материал имеет равновесное давление при степени сжати 4О% предпочтительно в пределах О,О25 - О,ОТ кг/см .
Тело вкладыша может иметь продольное сквозное отверстие и звукопровод щую трубку, размещенную в этом отВ€|х:тии .
Такое выполнение ушного вкладыша обеспечивает перекрытие слухового прохода, тем самым обеспечивает защиту от вредных шумов анатомического слухового аппарата.
На фшг. 1 изображен ушной вкладыШ; на риг. 2 - то же, с звукопровод щей трубкой.
Упшой вкладыш содержит тело 1, плотно прилегающее к слуховому про ходу человетса.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU731881316A SU648055A3 (ru) | 1971-10-26 | 1973-01-25 | Ушной вкладыш |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00192366A US3811437A (en) | 1971-10-26 | 1971-10-26 | Earplugs |
| SU731881316A SU648055A3 (ru) | 1971-10-26 | 1973-01-25 | Ушной вкладыш |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU648055A3 true SU648055A3 (ru) | 1979-02-15 |
Family
ID=22709352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU731881316A SU648055A3 (ru) | 1971-10-26 | 1973-01-25 | Ушной вкладыш |
Country Status (13)
| Country | Link |
|---|---|
| US (2) | US3811437A (ru) |
| JP (1) | JPS5549859B2 (ru) |
| BE (1) | BE790456A (ru) |
| CA (2) | CA969481A (ru) |
| CH (1) | CH558171A (ru) |
| DE (1) | DE2251774C3 (ru) |
| FR (1) | FR2158978A5 (ru) |
| GB (1) | GB1403097A (ru) |
| HK (1) | HK23080A (ru) |
| IT (1) | IT975269B (ru) |
| NL (1) | NL169678C (ru) |
| SE (2) | SE399640B (ru) |
| SU (1) | SU648055A3 (ru) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2315442C2 (ru) * | 2002-04-12 | 2008-01-20 | Нэп Энтерпрайз Ко., Лтд. | Ушной вкладыш и головной телефон с ушным вкладышем |
Families Citing this family (114)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52168503U (ru) * | 1976-06-14 | 1977-12-21 | ||
| JPS5338800U (ru) * | 1976-09-08 | 1978-04-05 | ||
| US4293355A (en) | 1978-04-28 | 1981-10-06 | Cabot Corporation | Method for ultrasonically welding plasticized thermoplastic polymeric foam wares |
| US4193396A (en) * | 1978-04-28 | 1980-03-18 | E-A-R Corporation | Paired earplug construction |
| US4253452A (en) | 1979-05-24 | 1981-03-03 | Specialty Composites Corporation | Ear plug assembly |
| JPS5821275Y2 (ja) * | 1979-06-08 | 1983-05-06 | 株式会社パイロット | 振動ピツクアツプ型イヤ−マイクロホンの感知部 |
| SE443505B (sv) * | 1979-11-05 | 1986-03-03 | E A R Corp | Horselskydd med fjedrande huvudband |
| US4461290A (en) * | 1980-09-08 | 1984-07-24 | Cabot Corporation | Hearing protectors |
| DE3108261C2 (de) * | 1981-03-05 | 1983-03-24 | Rehau Plastiks Ag & Co, 8673 Rehau | Verfahren zur Herstellung von Gehörschutz-Stopfen aus Kunststoffschaum |
| US4434794A (en) | 1981-06-15 | 1984-03-06 | Leight Howard S | Disposable ear plug |
| USD272946S (en) | 1981-08-24 | 1984-03-06 | Tasco Corp. | Ear protector |
| US4622975A (en) | 1982-01-25 | 1986-11-18 | Minnesota Mining And Manufacturing Company | Ear canal electrode |
| US4741344A (en) | 1982-09-27 | 1988-05-03 | Nicolet Instrument Corporation | Ear canal electrode |
| US4592370A (en) | 1982-09-27 | 1986-06-03 | Minnesota Mining And Manufacturing Company | Ear canal electrode for auditory testing |
| US4490857A (en) | 1982-10-12 | 1985-01-01 | Leight Howard S | Band earplug |
| IT1156545B (it) * | 1982-11-08 | 1987-02-04 | Amplisilence Spa | Inserti auricolari fonoassorbenti in materiale polimerico espanso |
| US4582053A (en) | 1984-01-06 | 1986-04-15 | Wilson Garnet J E | Acoustic ear plug |
| US4818320A (en) | 1984-04-04 | 1989-04-04 | Sherwood Medical Company | Nasal cannula harness and method of making the same |
| US4790308A (en) | 1984-04-04 | 1988-12-13 | Sherwood Medical Company | Nasal cannula harness |
| US4579112A (en) * | 1984-05-17 | 1986-04-01 | Scott Robert T | Foam earplug |
| US4776590A (en) * | 1984-05-30 | 1988-10-11 | Krent Edward D | Vibration dampening device for sporting rackets |
| US4609194A (en) * | 1984-05-30 | 1986-09-02 | Krent Edward D | Vibration dampening device for sporting rackets |
| US4677679A (en) * | 1984-07-05 | 1987-06-30 | Killion Mead C | Insert earphones for audiometry |
| US4648398A (en) | 1984-10-31 | 1987-03-10 | Sherwood Medical Company | Nasal cannula |
| US4724922A (en) * | 1986-07-24 | 1988-02-16 | Kalayjian Robert W | Acoustic earpiece |
| US4880076A (en) * | 1986-12-05 | 1989-11-14 | Minnesota Mining And Manufacturing Company | Hearing aid ear piece having disposable compressible polymeric foam sleeve |
| US5002151A (en) * | 1986-12-05 | 1991-03-26 | Minnesota Mining And Manufacturing Company | Ear piece having disposable, compressible polymeric foam sleeve |
| US4774938A (en) | 1987-04-09 | 1988-10-04 | Howard S. Leight & Associates, Inc. | Slow recovery earplug with largely impenetrable surface |
| US4852683A (en) | 1988-01-27 | 1989-08-01 | Etymotic Research, Inc. | Earplug with improved audibility |
| DK159190C (da) * | 1988-05-24 | 1991-03-04 | Steen Barbrand Rasmussen | Oereprop til stoejbeskyttet kommunikation mellem brugeren af oereproppen og omgivelserne |
| JPH02108089U (ru) * | 1989-02-14 | 1990-08-28 | ||
| US4896679A (en) * | 1989-05-22 | 1990-01-30 | St Pierre Carol L | Method and apparatus for the exclusion of sound and water from the auditory canal |
| SE8902802L (sv) * | 1989-08-23 | 1991-02-24 | Alf Ivarsson | Instrument foer infoerande av en sjaelvexpanderande propp i hoerselgaangen foer bullerdaempning |
| DE3929060A1 (de) * | 1989-09-01 | 1991-03-07 | Bobertag Gmbh | Gehoerschutzstoepsel |
| US5044463A (en) * | 1989-11-30 | 1991-09-03 | Cabot Corporation | Molded foam earplug and method for making same |
| WO1992000049A1 (en) * | 1990-06-25 | 1992-01-09 | Cabot Safety Corporation | Hearing protective earplug |
| US5188123A (en) * | 1990-08-20 | 1993-02-23 | Cabot Safety Corporation | Hearing protective earplug having alternative modes of insertion |
| ATE192034T1 (de) * | 1990-08-20 | 2000-05-15 | Cabot Safety Intermediate Corp | Gehörschutzohrstöpsel mit alternativen einsetzweisen |
| US5131411A (en) * | 1990-08-20 | 1992-07-21 | Virginia Polytechnic Institute & State University | Custom-fitting earplug formed in situ using foaming action |
| US5203352A (en) * | 1990-10-16 | 1993-04-20 | Cabot Safety Corporation | Polymeric foam earplug |
| US5153387A (en) * | 1990-12-31 | 1992-10-06 | Syracuse University | Layered earplug |
| US5195539A (en) * | 1992-03-23 | 1993-03-23 | Minnesota Mining And Manufacturing Company | Earplug compression device |
| US5792998A (en) * | 1993-04-19 | 1998-08-11 | Cabot Safety Intermediate Corporation | Acoustical hearing protective devices utilizing dynamically stiff foam and methods of producing same |
| WO1995009082A1 (en) * | 1993-09-28 | 1995-04-06 | Bradford Industries, Inc. | Sound attenuation composite and method for forming same |
| USD366696S (en) | 1994-07-21 | 1996-01-30 | Krause Ward B | Ear plug |
| USD364455S (en) | 1994-07-21 | 1995-11-21 | Ward Barry Krause | Ear plug |
| USD366313S (en) | 1994-07-21 | 1996-01-16 | Krause Ward B | Ear plug |
| US5483027A (en) * | 1994-08-24 | 1996-01-09 | Krause; Ward B. | Earplug with form-fitting fluid chambers |
| US5609164A (en) * | 1995-10-23 | 1997-03-11 | Minnesota Mining And Manufacturing Company | Method of forming an earplug containment device |
| US5799658A (en) * | 1996-08-15 | 1998-09-01 | Cabot Safety Intermediate Corporation | Hearing protective device comprising a foam and a porous component and method of manufacture thereof |
| US5809574A (en) | 1996-08-15 | 1998-09-22 | Cabot Safety Intermediate Corporation | Hearing protection device |
| US6056082A (en) | 1997-05-09 | 2000-05-02 | 3M Innovative Properties Company | Ergonomic banded ear plug |
| TW428184B (en) | 1998-02-19 | 2001-04-01 | Teijin Ltd | Method and apparatus for producing laminated type electronic component |
| US5996584A (en) | 1998-03-05 | 1999-12-07 | Hearing Components, Inc. | Sealing strip for ear plugs and the like |
| NO307540B1 (no) | 1998-07-24 | 2000-04-17 | Meditron As | Hodetelefon |
| US6358231B1 (en) | 1998-08-24 | 2002-03-19 | Biopolymer, Inc. | Transdermal anesthetizing solution and method and apparatus for anesthetizing the ear canal and tympanic membrane |
| US6920956B1 (en) | 1999-01-07 | 2005-07-26 | Cabot Safety Intermediate Corporation | Detectable earplug and method of manufacture thereof |
| USD444141S1 (en) | 1999-02-25 | 2001-06-26 | Koss Corporation | Stereophone ear plug housing |
| WO2000054712A1 (en) | 1999-03-16 | 2000-09-21 | Cabot Safety Intermediate Corporation | Hearing protective device |
| US6129175A (en) | 1999-05-07 | 2000-10-10 | Radians, Inc. | Acoustical control plastisol earpieces |
| US6105715A (en) * | 1999-11-05 | 2000-08-22 | Aearo Company | Multi-color variably attenuating earplug |
| USD435036S (en) * | 1999-11-17 | 2000-12-12 | Koss Corporation | Stereophone ear plug |
| US6695093B1 (en) | 2000-01-13 | 2004-02-24 | Aearo Company | Earplug |
| US6484726B1 (en) * | 2000-06-30 | 2002-11-26 | 3M Innovative Properties Company | Articulating earplug |
| US6408981B1 (en) | 2000-09-27 | 2002-06-25 | Saint-Gobain Performance Plastics Corporation | Extruded monolithic foam earplug |
| US6453476B1 (en) | 2000-09-27 | 2002-09-24 | Team Wendy, Llc | Protective helmet |
| EP1192920A1 (en) | 2000-09-29 | 2002-04-03 | The Procter & Gamble Company | Comfortable foam-based ear plugs |
| USD445894S1 (en) | 2000-11-06 | 2001-07-31 | 3M Innovative Properties Company | Earplug |
| USD445893S1 (en) | 2000-11-06 | 2001-07-31 | 3M Innovative Properties Company | Earplug |
| US20020124851A1 (en) * | 2000-11-28 | 2002-09-12 | Richard Knauer | Hearing protective device and method of making same |
| EP1420736A4 (en) * | 2001-08-10 | 2008-05-28 | Bacou Dalloz Usa Safety Inc | EAR PLUG WITH STIFFING ELEMENT |
| US20040045558A1 (en) * | 2002-09-06 | 2004-03-11 | Duncan Taylor | Earplug and method of manufacturing an earplug |
| US7078443B2 (en) * | 2003-10-22 | 2006-07-18 | Intellectual Property Holdings, Llc | Viscoelastic foam layer and composition |
| US8133500B2 (en) * | 2003-12-04 | 2012-03-13 | Kensey Nash Bvf Technology, Llc | Compressed high density fibrous polymers suitable for implant |
| US8389588B2 (en) * | 2003-12-04 | 2013-03-05 | Kensey Nash Corporation | Bi-phasic compressed porous reinforcement materials suitable for implant |
| US7723395B2 (en) * | 2004-04-29 | 2010-05-25 | Kensey Nash Corporation | Compressed porous materials suitable for implant |
| DE102004033719A1 (de) * | 2004-07-13 | 2006-02-16 | Uvex Arbeitsschutz Gmbh | Gehörschutzstöpsel |
| US20060037143A1 (en) * | 2004-08-18 | 2006-02-23 | Ronald Green | Meditation support |
| US20080207790A1 (en) * | 2004-10-15 | 2008-08-28 | Knauer Richard E | Earplug |
| US7475686B2 (en) * | 2004-10-15 | 2009-01-13 | Cabot Safety Intermediate Corporation | Earplug |
| US20060241197A1 (en) * | 2005-04-25 | 2006-10-26 | Velsicol Chemical Corporation | Plasticizer compositions for flexible closed cell foams |
| US7510046B2 (en) | 2005-10-10 | 2009-03-31 | Cabot Safety Intermediate Corporation | Low attenuating push-in earplug with integral handle |
| US8596279B2 (en) | 2005-11-09 | 2013-12-03 | 3M Innovative Properties Company | Offset stem for earplug and earplug formed therewith |
| US20070125812A1 (en) * | 2005-11-14 | 2007-06-07 | Loretta Ivison | Pin moor |
| US8844777B2 (en) * | 2005-11-14 | 2014-09-30 | Loretta Ivison | Pin moor |
| US20070234629A1 (en) * | 2006-02-06 | 2007-10-11 | Brooks Joseph D | Self-securing spring bobber |
| US7837005B2 (en) * | 2006-03-21 | 2010-11-23 | Etymotic Research, Inc. | Mushroom-shaped push-in foam eartip for use with high-fidelity insert earphones |
| USD541412S1 (en) * | 2006-05-25 | 2007-04-24 | Mckeon Products, Inc. | Ear plug |
| US7648005B2 (en) * | 2007-04-30 | 2010-01-19 | Kimberly-Clark Worldwide, Inc. | Clip-style hearing protector |
| US7708110B2 (en) * | 2007-04-30 | 2010-05-04 | Kimberly-Clark Worldwide, Inc. | Bandless hearing protector and method |
| US7841446B2 (en) * | 2007-04-30 | 2010-11-30 | Kimberly-Clark Worldwide, Inc. | Bandless hearing protector and method |
| US7984716B2 (en) * | 2007-06-22 | 2011-07-26 | Kimberly-Clark Worldwide Inc. | Self-conforming sound attenuation earplug |
| US20100100043A1 (en) * | 2007-10-05 | 2010-04-22 | Racenet Danyel J | Flexible Access Device For Use In Surgical Procedure |
| US20090277462A1 (en) * | 2008-05-09 | 2009-11-12 | 3M Innovative Properties Company | Foam earplug in deformable sheath |
| US8113207B2 (en) * | 2008-08-22 | 2012-02-14 | Kimberly-Clark Worldwide, Inc. | Self-conforming sound attenuation earplug |
| USD646777S1 (en) * | 2009-01-22 | 2011-10-11 | Devin Benner | Flat earplug package |
| US20100195860A1 (en) * | 2009-02-05 | 2010-08-05 | Cher Becker | Soft shell in-ear earphones with miniature speaker inserts |
| US10610413B2 (en) * | 2009-05-22 | 2020-04-07 | Honeywell Safety Products Usa, Inc. | Eartip |
| US8671949B2 (en) | 2009-06-23 | 2014-03-18 | 3M Innovative Properties Company | Headgear-earwear assembly and a method of assembling same |
| US8590539B2 (en) | 2009-06-23 | 2013-11-26 | 3M Innovative Properties Company | Headgear-earwear assembly and a method of assembling same |
| WO2011017453A1 (en) * | 2009-08-04 | 2011-02-10 | Hearing Components, Inc. | Foam compositions with enhanced sound attenuation |
| US8758436B2 (en) | 2009-09-17 | 2014-06-24 | Lawrence G. Clayton | Ear insert for relief of TMJ discomfort and headaches |
| US9198800B2 (en) | 2009-10-30 | 2015-12-01 | Etymotic Research, Inc. | Electronic earplug for providing communication and protection |
| US20140352590A1 (en) * | 2010-12-29 | 2014-12-04 | Loretta Ivison | Pin moor |
| US8413663B2 (en) | 2011-02-04 | 2013-04-09 | Moldex Metric, Inc. | Push-in type of earplug with improved insertion stem |
| USD659126S1 (en) * | 2011-07-29 | 2012-05-08 | Ruben Scheimberg | Miniature headphone |
| WO2015077108A1 (en) * | 2013-11-20 | 2015-05-28 | TMJ Health LLC | Ear insert for relief of tmj discomfort and headaches |
| US20150182382A1 (en) * | 2013-12-27 | 2015-07-02 | Custom Protect Ear, Inc. | Pre-lubricated earplugs and the method of production thereof |
| JP1568084S (ru) * | 2015-12-24 | 2017-01-30 | ||
| USD789911S1 (en) * | 2016-03-14 | 2017-06-20 | Chris J. Katopis | Earbud |
| JP1569196S (ru) * | 2016-03-25 | 2017-02-13 | ||
| US12364624B2 (en) * | 2018-08-21 | 2025-07-22 | Hearos, Llc | Compressible fit earplug with planar insert |
| US20200121507A1 (en) | 2018-10-18 | 2020-04-23 | Moldex-Metric, Inc. | Foam earplug with transdermal material |
| USD1055030S1 (en) * | 2022-08-03 | 2024-12-24 | Panasonic Intellectual Property Management Co., Ltd. | Earphone |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2262568A (en) * | 1939-10-21 | 1941-11-11 | Kenneth L Wade | Ear protector |
| US2538339A (en) * | 1949-09-15 | 1951-01-16 | Mary J Thomas | Earplug |
| GB733542A (en) * | 1953-10-16 | 1955-07-13 | Gustav Vilhelm Israel Hultgren | Improvements relating to ear protectors |
| US2717596A (en) * | 1954-04-26 | 1955-09-13 | John S Knight | Cushion mounting for mass impedance resonance filter |
| US2824558A (en) * | 1956-05-24 | 1958-02-25 | Mine Safety Appliances Co | Ear plug |
| US3097059A (en) * | 1960-06-23 | 1963-07-09 | Carl G Hoffman | Method for forming ear plugs for supporting hearing and receivers |
| FR1395197A (fr) * | 1964-04-22 | 1965-04-09 | Accessoire protecteur pour applications otorhinologiques | |
| DE1766350C3 (de) * | 1968-05-08 | 1979-03-22 | Klosterfrau Berlin Chemische, Pharmazeutische, Kosmetische Und Diaetetische Erzeugnisse Gmbh, 1000 Berlin | Universeller Lärmschutzpfropfen |
-
1971
- 1971-10-26 US US00192366A patent/US3811437A/en not_active Expired - Lifetime
-
1972
- 1972-10-16 CH CH1512972A patent/CH558171A/xx not_active IP Right Cessation
- 1972-10-17 IT IT70255/72A patent/IT975269B/it active
- 1972-10-21 DE DE2251774A patent/DE2251774C3/de not_active Expired
- 1972-10-23 BE BE790456D patent/BE790456A/xx not_active IP Right Cessation
- 1972-10-24 GB GB4889972A patent/GB1403097A/en not_active Expired
- 1972-10-25 NL NLAANVRAGE7214437,A patent/NL169678C/xx not_active IP Right Cessation
- 1972-10-25 FR FR7237911A patent/FR2158978A5/fr not_active Expired
- 1972-10-25 SE SE7213785A patent/SE399640B/xx unknown
- 1972-10-26 CA CA155,091A patent/CA969481A/en not_active Expired
- 1972-10-26 JP JP10759772A patent/JPS5549859B2/ja not_active Expired
-
1973
- 1973-01-25 SU SU731881316A patent/SU648055A3/ru active
-
1976
- 1976-02-16 SE SE7601690A patent/SE418572B/xx unknown
- 1976-03-12 US US05/666,364 patent/USRE29487E/en not_active Expired - Lifetime
-
1977
- 1977-06-28 CA CA281,496A patent/CA1022470B/xx not_active Expired
-
1980
- 1980-05-01 HK HK230/80A patent/HK23080A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2315442C2 (ru) * | 2002-04-12 | 2008-01-20 | Нэп Энтерпрайз Ко., Лтд. | Ушной вкладыш и головной телефон с ушным вкладышем |
Also Published As
| Publication number | Publication date |
|---|---|
| US3811437A (en) | 1974-05-21 |
| NL169678C (nl) | 1982-08-16 |
| SE418572B (sv) | 1981-06-15 |
| DE2251774A1 (de) | 1973-05-03 |
| DE2251774C3 (de) | 1980-08-28 |
| DE2251774B2 (de) | 1978-10-05 |
| CA1022470B (en) | 1977-12-13 |
| HK23080A (en) | 1980-05-09 |
| JPS4850588A (ru) | 1973-07-17 |
| NL7214437A (ru) | 1973-05-01 |
| CA969481A (en) | 1975-06-17 |
| USRE29487E (en) | 1977-12-06 |
| CH558171A (de) | 1975-01-31 |
| BE790456A (fr) | 1973-02-15 |
| SE399640B (sv) | 1978-02-27 |
| IT975269B (it) | 1974-07-20 |
| FR2158978A5 (ru) | 1973-06-15 |
| SE7601690L (sv) | 1976-02-16 |
| NL169678B (nl) | 1982-03-16 |
| JPS5549859B2 (ru) | 1980-12-15 |
| GB1403097A (en) | 1975-08-13 |
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