NO158902C - Taleoverfoeringsanordning for respirator. - Google Patents

Taleoverfoeringsanordning for respirator.

Info

Publication number
NO158902C
NO158902C NO832961A NO832961A NO158902C NO 158902 C NO158902 C NO 158902C NO 832961 A NO832961 A NO 832961A NO 832961 A NO832961 A NO 832961A NO 158902 C NO158902 C NO 158902C
Authority
NO
Norway
Prior art keywords
transmission device
speech transmission
respirator
respirator speech
transmission
Prior art date
Application number
NO832961A
Other languages
English (en)
Other versions
NO158902B (no
NO832961L (no
Inventor
Cyril Edward Nelson Angell
Original Assignee
Avon Ind Polymers
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
Priority claimed from GB838314065A external-priority patent/GB8314065D0/en
Application filed by Avon Ind Polymers filed Critical Avon Ind Polymers
Publication of NO832961L publication Critical patent/NO832961L/no
Publication of NO158902B publication Critical patent/NO158902B/no
Publication of NO158902C publication Critical patent/NO158902C/no

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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
NO832961A 1982-08-18 1983-08-17 Taleoverfoeringsanordning for respirator. NO158902C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8223825 1982-08-18
GB838314065A GB8314065D0 (en) 1982-08-18 1983-05-20 Respirator speech transmitter

Publications (3)

Publication Number Publication Date
NO832961L NO832961L (no) 1984-02-20
NO158902B NO158902B (no) 1988-08-01
NO158902C true NO158902C (no) 1988-11-09

Family

ID=26283630

Family Applications (1)

Application Number Title Priority Date Filing Date
NO832961A NO158902C (no) 1982-08-18 1983-08-17 Taleoverfoeringsanordning for respirator.

Country Status (6)

Country Link
US (1) US4539983A (no)
EP (1) EP0101292B1 (no)
CA (1) CA1206422A (no)
DE (1) DE3374173D1 (no)
MY (1) MY100039A (no)
NO (1) NO158902C (no)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8428640D0 (en) * 1984-11-13 1984-12-19 Avon Ind Polymers Valve for respirator
EP0319612A1 (de) * 1987-12-11 1989-06-14 Zentralen Institut Po Chimitscheska Promischlenost Das Sprechen und Ausatmen zulassende Vorrichtung, insbesondere für Atemschutzmasken
WO1995009676A1 (en) 1993-10-01 1995-04-13 Minnesota Mining And Manufacturing Company Speech transmission adaptor for use with a respirator mask
US5454375A (en) * 1993-10-21 1995-10-03 Glottal Enterprises Pneumotachograph mask or mouthpiece coupling element for airflow measurement during speech or singing
US6522644B2 (en) 1998-06-25 2003-02-18 Telefonaktiebolaget Lm Ericsson (Publ) Method for decorrelating background interference in a time-synchronized mobile communications system
FR2786107B1 (fr) 1998-11-25 2001-02-16 Sextant Avionique Masque inhalateur d'oxygene avec dispositif de prise de son
WO2003008043A1 (en) 2001-07-18 2003-01-30 Avon Rubber & Plastics, Inc. Respirator module with speech transmission and exhalation valve
US7827987B2 (en) 2005-06-17 2010-11-09 Nellcor Puritan Bennett Llc Ball joint for providing flexibility to a gas delivery pathway
US7900630B2 (en) 2005-06-17 2011-03-08 Nellcor Puritan Bennett Llc Gas delivery mask with flexible bellows
US7490608B2 (en) 2005-06-17 2009-02-17 Nellcorr Puritan Bennett Llc System and method for adjusting a gas delivery mask
US7849855B2 (en) * 2005-06-17 2010-12-14 Nellcor Puritan Bennett Llc Gas exhaust system for a gas delivery mask
JP2018531104A (ja) 2015-10-22 2018-10-25 スコット テクノロジーズ インコーポレイテッドＳｃｏｔｔ Ｔｅｃｈｎｏｌｏｇｉｅｓ， Ｉｎｃ． 音声伝達機能を備えた呼吸用マスク
TWI602518B (zh) * 2016-07-12 2017-10-21 張煥禎 吸音裝置
US20220023679A1 (en) * 2020-07-23 2022-01-27 Jones Kwadwo Appiah Multipurpose Safety Mask

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US260358A (en) * 1882-07-04 Speaking-tube m o uth - pi ec e
BE413742A (no) *
US3124130A (en) * 1964-03-10 Respirator with speaking diaphragm
US1672595A (en) * 1927-07-18 1928-06-05 Youngblood David Franklin Speaking device
GB464458A (en) * 1936-02-07 1937-04-19 Vittorio Pinelli Improvements in or relating to gas masks
FR833096A (fr) * 1938-02-03 1938-10-11 Dispositif nouveau de protection contre les gaz
GB540757A (en) * 1940-01-15 1941-10-28 Guy R Fountain Ltd Improvements in or relating to respirators
GB566088A (en) * 1943-03-30 1944-12-13 John Ambrose Sadd Improvements in respirators
US3348537A (en) * 1965-03-01 1967-10-24 Mine Safety Appliances Co Combination breathing valve and speaking diaphragm unit
US4249527A (en) * 1979-02-09 1981-02-10 Case Western Reserve University Continuous positive airway pressure administrating apparatus

Also Published As

Publication number Publication date
NO158902B (no) 1988-08-01
MY100039A (en) 1989-06-29
DE3374173D1 (en) 1987-12-03
NO832961L (no) 1984-02-20
EP0101292A3 (en) 1985-08-07
CA1206422A (en) 1986-06-24
US4539983A (en) 1985-09-10
EP0101292B1 (en) 1987-10-28
EP0101292A2 (en) 1984-02-22

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