CA990649A - Dictation mask - Google Patents
Dictation maskInfo
- Publication number
- CA990649A CA990649A CA192,828A CA192828A CA990649A CA 990649 A CA990649 A CA 990649A CA 192828 A CA192828 A CA 192828A CA 990649 A CA990649 A CA 990649A
- Authority
- CA
- Canada
- Prior art keywords
- dictation
- mask
- dictation 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
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)
- Investigating Or Analysing Biological Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27364872A | 1972-07-20 | 1972-07-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA990649A true CA990649A (en) | 1976-06-08 |
Family
ID=23044830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA192,828A Expired CA990649A (en) | 1972-07-20 | 1974-02-18 | Dictation mask |
Country Status (3)
Country | Link |
---|---|
US (1) | US3796842A (en) |
CA (1) | CA990649A (en) |
GB (1) | GB1417327A (en) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4129754A (en) * | 1977-07-01 | 1978-12-12 | Gore Thomas A | Reporting device |
US4792013A (en) * | 1987-09-08 | 1988-12-20 | Boynton Carter R | Vocal muffler |
US5197098A (en) * | 1992-04-15 | 1993-03-23 | Drapeau Raoul E | Secure conferencing system |
JP2609822B2 (en) * | 1994-10-12 | 1997-05-14 | 埼玉日本電気株式会社 | Transmitter |
USD427986S (en) * | 1998-08-20 | 2000-07-11 | Talk Technologies Inc. | Dictation mask |
US6401860B1 (en) | 2000-10-18 | 2002-06-11 | Ellington & Rush Hunting Products, Inc. | Cough silencer device |
US20020077838A1 (en) * | 2000-12-18 | 2002-06-20 | International Business Machines Corporation | Sound muffler device for use with a portable phone and method and system in electronic commerce for reservation and lease of the sound muffler device |
EP2186205B1 (en) * | 2007-08-27 | 2013-03-27 | Jb Scientific, Llc | Communication privacy mask |
CN104284263A (en) * | 2013-07-03 | 2015-01-14 | 付文敬 | Mask type sound-insulation microphone |
US9253299B2 (en) | 2014-02-18 | 2016-02-02 | Quiet, Inc. | Ergonomic tubular anechoic chambers for use with a communication device and related methods |
US9614945B1 (en) | 2014-02-18 | 2017-04-04 | Quiet, Inc. | Anti-noise canceling headset and related methods |
US8948411B1 (en) | 2014-02-18 | 2015-02-03 | Scott A. Moser | Ergonomic tubular anechoic chambers for use with a communication device and related methods |
US9525765B2 (en) | 2014-02-18 | 2016-12-20 | Quiet, Inc. | Ergonomic anechoic anti-noise canceling chamber for use with a communication device and related methods |
US9576567B2 (en) | 2014-02-18 | 2017-02-21 | Quiet, Inc. | Ergonomic tubular anechoic chambers for use with a communication device and related methods |
US9386135B2 (en) | 2014-05-16 | 2016-07-05 | Quiet, Inc. | Ergonomic tubular anechoic chambers for use with a communication device and related methods |
USD738345S1 (en) * | 2014-06-09 | 2015-09-08 | Talk Technologies Inc. | Sleek voice mask |
USD764432S1 (en) * | 2014-06-09 | 2016-08-23 | Talk Technologies Inc. | Folding voice mask |
USD738346S1 (en) * | 2014-06-09 | 2015-09-08 | Talk Technologies Inc. | Sliding voice mask |
US9264525B1 (en) | 2014-12-04 | 2016-02-16 | Leo Marshall | Telephone mouthpiece shield assembly |
USD772191S1 (en) | 2014-12-29 | 2016-11-22 | Mark Ludwig | Multi-layer voice muffler |
CA2927184A1 (en) | 2015-04-13 | 2016-10-13 | Talk Technologies Inc. | Audio capture and transmission device having sound attenuation |
USD868723S1 (en) | 2018-02-28 | 2019-12-03 | Damon Webb | Quiet cushion facepiece with friction fit sleeve |
US20190289109A1 (en) * | 2018-03-13 | 2019-09-19 | Gregory Thomas Umhoefer | Apparatus and Methods for Voice Privacy with Headphones |
US11778357B2 (en) * | 2018-07-18 | 2023-10-03 | Nicolas Casati | Sound directing device for a mobile telecommunication device |
US11223887B1 (en) * | 2020-08-17 | 2022-01-11 | Damon Webb | Sound attenuating audio capture and transmission device |
WO2022209636A1 (en) * | 2021-03-29 | 2022-10-06 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | Mask |
-
1972
- 1972-07-20 US US00273648A patent/US3796842A/en not_active Expired - Lifetime
-
1974
- 1974-02-18 GB GB719274A patent/GB1417327A/en not_active Expired
- 1974-02-18 CA CA192,828A patent/CA990649A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3796842A (en) | 1974-03-12 |
GB1417327A (en) | 1975-12-10 |
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