DE2915205C2 - - Google Patents

Info

Publication number
DE2915205C2
DE2915205C2 DE2915205A DE2915205A DE2915205C2 DE 2915205 C2 DE2915205 C2 DE 2915205C2 DE 2915205 A DE2915205 A DE 2915205A DE 2915205 A DE2915205 A DE 2915205A DE 2915205 C2 DE2915205 C2 DE 2915205C2
Authority
DE
Germany
Prior art keywords
arms
stethoscope
connecting element
coil springs
rotation
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
Application number
DE2915205A
Other languages
German (de)
English (en)
Other versions
DE2915205A1 (de
Inventor
Cornelis Breda Nl Penning
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE2915205A1 publication Critical patent/DE2915205A1/de
Priority to HU90680A priority Critical patent/HU184738B/hu
Application granted granted Critical
Publication of DE2915205C2 publication Critical patent/DE2915205C2/de
Granted 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
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication
    • H04R5/0335—Earpiece support, e.g. headbands or neckrests
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B7/00—Instruments for auscultation
    • A61B7/02—Stethoscopes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1016—Earpieces of the intra-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Headphones And Earphones (AREA)
  • Telephone Set Structure (AREA)
DE19792915205 1978-04-17 1979-04-14 Stethoskopischer ohrhoerer Granted DE2915205A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HU90680A HU184738B (en) 1979-04-14 1980-04-14 Plant growth regulating compositions containing alfa-amino-acet anilide derivatives and process for the preparation of alfa-amino-acetanilide derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7804041A NL7804041A (nl) 1978-04-17 1978-04-17 Stethoscopische oortelefoon.

Publications (2)

Publication Number Publication Date
DE2915205A1 DE2915205A1 (de) 1979-10-25
DE2915205C2 true DE2915205C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-01-12

Family

ID=19830668

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792915205 Granted DE2915205A1 (de) 1978-04-17 1979-04-14 Stethoskopischer ohrhoerer

Country Status (7)

Country Link
US (1) US4277654A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS54137887A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2915205A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK151686C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2423206A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2019160B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7804041A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT364399B (de) * 1980-01-31 1981-10-12 Akg Akustische Kino Geraete Tragelement zum halten eines elektroakustischen wandlers am ohr
JPS63190674A (ja) * 1987-01-30 1988-08-08 Santsuule:Kk 流体塗布装置のノズル装置
US5144678A (en) * 1991-02-04 1992-09-01 Golden West Communications Inc. Automatically switched headset
DE9409291U1 (de) * 1994-06-08 1994-09-08 Sennheiser Electronic Kg, 30900 Wedemark Kopfhörer mit mindestens einer Hörmuschel
EP1103162B1 (de) * 1998-08-03 2002-07-17 Adec & Partner AG Infrarot-kopfhörer
DE10042453C2 (de) * 2000-08-29 2002-10-24 Sennheiser Electronic Schaltungsgehäuse für einen Kopfhörer
DE10042691C2 (de) * 2000-08-31 2002-08-01 Sennheiser Electronic Kinnbügel-Kopfhörer
US6595316B2 (en) * 2001-07-18 2003-07-22 Andromed, Inc. Tension-adjustable mechanism for stethoscope earpieces
US20060083397A1 (en) * 2004-10-19 2006-04-20 Obo Pro.2 Inc. Wireless headphone with a self-actuated switch
EP1651002A1 (en) * 2004-10-20 2006-04-26 Obo Pro.2 Inc. Wireless headphone with a self-actuated switch
DE102007050043A1 (de) * 2007-10-17 2009-04-23 Sennheiser Electronic Gmbh & Co. Kg Kinnbügelhörer
US8160287B2 (en) * 2009-05-22 2012-04-17 Vocollect, Inc. Headset with adjustable headband
US8037965B1 (en) * 2010-10-04 2011-10-18 Kerry Swink Stethoscope expander assembly and methods of using same
KR102163919B1 (ko) * 2014-06-30 2020-10-12 엘지전자 주식회사 무선음향기기
US10945076B2 (en) 2016-09-23 2021-03-09 Apple Inc. Low spring-rate band
US11323793B2 (en) 2016-09-23 2022-05-03 Apple Inc. Synchronized telescoping headphones
CN109792579B (zh) 2016-09-23 2021-08-17 苹果公司 耳机
CN111836153B (zh) 2017-11-20 2023-05-09 苹果公司 耳机和听筒
JP7184919B2 (ja) 2018-04-02 2022-12-06 アップル インコーポレイテッド ヘッドホン

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1775204A (en) * 1930-09-09 of bridgeport
CH3343A (fr) * 1891-02-14 1891-09-15 Mercadier Ernest Jules Pierre Un Bitéléphone, à audition perfectionnée, léger et maintenu automatiquement contre les oreilles
US1568721A (en) * 1923-12-11 1926-01-05 Gen Electric Telephone head set
US1813931A (en) * 1926-02-23 1931-07-14 Dictaphone Corp Hearing tube
US2498960A (en) * 1945-09-15 1950-02-28 Telex Inc Headset
DE881567C (de) * 1951-10-09 1954-07-12 Paul Boettger Als Kombinationsgeraet verwendbares aerztliches Instrument
GB726438A (en) * 1953-02-12 1955-03-16 H G Carsberg & Son London Ltd Improvements in or relating to instruments such as stethoscopes
US2780681A (en) * 1954-07-01 1957-02-05 Dyna Labs Inc Earphones for use with dictating machines and the like
US2827514A (en) * 1955-05-19 1958-03-18 Mc Graw Edison Co Stereophonic reception
DK98249C (da) * 1960-10-19 1964-03-16 Philips Nv Hængselled til en stetofon.
AT224261B (de) * 1960-10-19 1962-11-12 Philips Nv Gelenk für Stethoskope
FR1303866A (fr) * 1961-10-17 1962-09-14 Philips Nv Charnière pour stéthophone
DE1914721U (de) * 1964-03-24 1965-04-29 Emil Langer Zusammenschiebbares stethoskop.
US3532837A (en) * 1967-12-19 1970-10-06 Ibm Headset featuring collapsibility for storage
AT298584B (de) * 1970-07-02 1972-05-10 Akg Akustische Kino Geraete Kopfhörer Kopfhörer
US3623571A (en) * 1970-11-13 1971-11-30 Avid Corp Stethoscope
AT315264B (de) * 1972-07-11 1974-05-27 Akg Akustische Kino Geraete Kopfhörer für Dolmetscheranlagen, Sprachschulen u.dgl.
JPS5299415A (en) * 1976-02-17 1977-08-20 Kubota Ltd Device for air supply and water level regulation of pressure water tan k

Also Published As

Publication number Publication date
DK151686C (da) 1988-07-11
DE2915205A1 (de) 1979-10-25
FR2423206A1 (fr) 1979-11-16
US4277654A (en) 1981-07-07
DK151686B (da) 1987-12-28
FR2423206B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1984-06-08
NL7804041A (nl) 1979-10-19
DK151479A (da) 1979-10-18
JPS54137887A (en) 1979-10-25
GB2019160A (en) 1979-10-24
JPS6155973B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-11-29
GB2019160B (en) 1982-06-03

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee