GB2165721B - A speech facility for a face mask - Google Patents

A speech facility for a face mask

Info

Publication number
GB2165721B
GB2165721B GB08525064A GB8525064A GB2165721B GB 2165721 B GB2165721 B GB 2165721B GB 08525064 A GB08525064 A GB 08525064A GB 8525064 A GB8525064 A GB 8525064A GB 2165721 B GB2165721 B GB 2165721B
Authority
GB
United Kingdom
Prior art keywords
face mask
speech facility
speech
facility
mask
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
GB08525064A
Other versions
GB2165721A (en
GB8525064D0 (en
Inventor
Charles William Dickinson
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
Publication of GB8525064D0 publication Critical patent/GB8525064D0/en
Publication of GB2165721A publication Critical patent/GB2165721A/en
Application granted granted Critical
Publication of GB2165721B publication Critical patent/GB2165721B/en
Expired 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
GB08525064A 1984-10-16 1985-10-10 A speech facility for a face mask Expired GB2165721B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848426058A GB8426058D0 (en) 1984-10-16 1984-10-16 Electronic speech facility

Publications (3)

Publication Number Publication Date
GB8525064D0 GB8525064D0 (en) 1985-11-13
GB2165721A GB2165721A (en) 1986-04-16
GB2165721B true GB2165721B (en) 1989-01-11

Family

ID=10568227

Family Applications (2)

Application Number Title Priority Date Filing Date
GB848426058A Pending GB8426058D0 (en) 1984-10-16 1984-10-16 Electronic speech facility
GB08525064A Expired GB2165721B (en) 1984-10-16 1985-10-10 A speech facility for a face mask

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB848426058A Pending GB8426058D0 (en) 1984-10-16 1984-10-16 Electronic speech facility

Country Status (1)

Country Link
GB (2) GB8426058D0 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2218298A (en) * 1987-11-28 1989-11-08 Anthony David Heyes An ultra-sonic pulse-echo ranging device
US5371804A (en) * 1987-12-18 1994-12-06 Actron Manufacturing Company Voice transmission system
US4901356A (en) * 1987-12-18 1990-02-13 Actron Manufacturing Company Voice transmission system
US5138666A (en) * 1987-12-18 1992-08-11 Actron Manufacturing Company Voice transmission system
JPH04504346A (en) * 1989-11-08 1992-07-30 アクトロン　マニュファクチュアリング　カンパニー Audio transmission method
US5428688A (en) * 1993-03-29 1995-06-27 Audiopack Sounds Systems Voice transmission system with remote microphone
US5463693A (en) * 1993-11-10 1995-10-31 Audiopack Sound Systems Inc. Voice amplification adapter assembly for face mask
GB2371493B (en) * 2001-01-29 2005-02-02 Davies Ind Comm Ltd A microphone adaptor for a respirator
AU2004218645B2 (en) * 2001-01-29 2007-10-04 Selex Communications Limited A microphone adaptor for a respirator
GB2404841B (en) 2003-08-14 2006-11-15 Npf Ltd Goggles
DE102007006732A1 (en) * 2007-02-06 2008-08-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Respirator with microphone
US9517366B2 (en) 2013-02-01 2016-12-13 3M Innovative Properties Company Respirator mask speech enhancement apparatus and method
US9498658B2 (en) 2013-02-01 2016-11-22 3M Innovative Properties Company Respirator mask speech enhancement apparatus and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB492664A (en) * 1936-03-23 1938-09-23 Applic Ind Et Commerciales Soc Improvements relating to the application of microphones to masks for protection against gases
GB869895A (en) * 1956-10-20 1961-06-07 Foresight Productions Ltd Improvements relating to communication apparatus
US3218607A (en) * 1962-12-10 1965-11-16 Bendix Corp Underwater telephone
GB1009818A (en) * 1964-08-25 1965-11-10 Pacific Plantronics Inc Improvements in or relating to telephone head-sets
GB1591712A (en) * 1977-06-14 1981-06-24 Sonic Helmets Ltd Helmets

Also Published As

Publication number Publication date
GB2165721A (en) 1986-04-16
GB8525064D0 (en) 1985-11-13
GB8426058D0 (en) 1984-11-21

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921010