CA1066630A - Transducer with variable frequency response - Google Patents
Transducer with variable frequency responseInfo
- Publication number
- CA1066630A CA1066630A CA264,040A CA264040A CA1066630A CA 1066630 A CA1066630 A CA 1066630A CA 264040 A CA264040 A CA 264040A CA 1066630 A CA1066630 A CA 1066630A
- Authority
- CA
- Canada
- Prior art keywords
- ports
- transducer
- damping material
- compression plate
- headphone
- 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
- 230000004044 response Effects 0.000 title abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 34
- 238000013016 damping Methods 0.000 claims abstract description 31
- 230000008878 coupling Effects 0.000 claims abstract description 11
- 238000010168 coupling process Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims description 33
- 238000007906 compression Methods 0.000 claims description 33
- 210000000188 diaphragm Anatomy 0.000 claims description 14
- 239000012858 resilient material Substances 0.000 claims description 4
- 230000006872 improvement Effects 0.000 claims 6
- 239000002991 molded plastic Substances 0.000 description 6
- 238000005538 encapsulation Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 235000019640 taste Nutrition 0.000 description 4
- 210000004027 cell Anatomy 0.000 description 3
- 210000005069 ears Anatomy 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 210000003128 head Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 210000000613 ear canal Anatomy 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 210000000497 foam cell Anatomy 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
-
- 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
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/626,788 US3999020A (en) | 1975-10-29 | 1975-10-29 | Transducer with variable frequency response |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1066630A true CA1066630A (en) | 1979-11-20 |
Family
ID=24511858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA264,040A Expired CA1066630A (en) | 1975-10-29 | 1976-10-25 | Transducer with variable frequency response |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3999020A (enExample) |
| JP (1) | JPS5282216A (enExample) |
| CA (1) | CA1066630A (enExample) |
| DE (1) | DE2648786A1 (enExample) |
| FR (1) | FR2330240A1 (enExample) |
| GB (1) | GB1516770A (enExample) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4211898A (en) * | 1977-07-11 | 1980-07-08 | Matsushita Electric Industrial Co., Ltd. | Headphone with two resonant peaks for simulating loudspeaker reproduction |
| JPS5921600Y2 (ja) | 1980-08-22 | 1984-06-26 | オリンパス光学工業株式会社 | 音響再生装置 |
| US4373119A (en) * | 1980-12-05 | 1983-02-08 | Motorola, Inc. | Adjustable transducer |
| USD265557S (en) | 1980-12-12 | 1982-07-27 | Koss Corporation | Stereo headphone |
| JPS59216397A (ja) * | 1983-05-23 | 1984-12-06 | ハ−マン・インタ−ナシヨナル・インダストリイズ，インコ−ポレイテツド | トランスジユ−サ、該トランスジユ−サの同調方法及び該同調方法に使用するトランスジユ−サ |
| US5729605A (en) * | 1995-06-19 | 1998-03-17 | Plantronics, Inc. | Headset with user adjustable frequency response |
| DE19640412C1 (de) * | 1996-09-30 | 1998-01-22 | Siemens Ag | Kommunikationsendgerät |
| ITBS20060008A1 (it) * | 2006-01-18 | 2007-07-19 | Outline Di Noselli G & C S N C | Rifasatore regolabileper driver a compressione ed altoparlanti a cupola a radiazione diretta. |
| JP2009545263A (ja) * | 2006-07-28 | 2009-12-17 | ヒルデブラント、 ジェイムズ、 ジー | ヘッドンホンの改良 |
| GB2445388B (en) * | 2007-02-16 | 2009-01-07 | Sonaptic Ltd | Ear-worn speaker-carrying devices |
| JP2009055248A (ja) * | 2007-08-24 | 2009-03-12 | Sony Corp | イヤホン |
| US8311258B2 (en) * | 2009-03-11 | 2012-11-13 | Cheng Uei Precision Industry Co., Ltd. | Headset |
| US8290194B2 (en) * | 2009-07-29 | 2012-10-16 | Encounters Products Corp. | Wireless headphone integrated with an adjustment control device |
| US8422717B2 (en) * | 2010-10-19 | 2013-04-16 | Cheng Uei Precision Industry Co., Ltd. | Adjustable audio headphone |
| US9154867B2 (en) * | 2011-03-25 | 2015-10-06 | Honeywell Safety Products Usa, Inc. | Earmuff enclosure |
| US9451351B2 (en) * | 2011-06-16 | 2016-09-20 | Sony Corporation | In-ear headphone |
| US20130136290A1 (en) * | 2011-11-25 | 2013-05-30 | Rextec International Ltd. | Earphone with tunable low pitch |
| TWI524783B (zh) * | 2013-03-20 | 2016-03-01 | 固昌通訊股份有限公司 | 耳機 |
| US10455343B2 (en) * | 2014-05-08 | 2019-10-22 | Jps Labs Llc | Single magnet planar-magnetic transducer |
| CN203933919U (zh) * | 2014-06-27 | 2014-11-05 | 惠阳东美音响制品有限公司 | 一种耳机调音结构 |
| US9426555B2 (en) | 2014-12-23 | 2016-08-23 | Ever Win International Corporation | Acoustically tunable headphones |
| KR101756653B1 (ko) * | 2015-12-30 | 2017-07-17 | 주식회사 오르페오사운드웍스 | 어쿠스틱 필터를 갖는 소음 차폐 이어셋 |
| JP6845554B2 (ja) * | 2016-10-12 | 2021-03-17 | 株式会社オーディオテクニカ | ヘッドホン |
| JP6905181B2 (ja) * | 2017-04-24 | 2021-07-21 | オンキヨーホームエンターテイメント株式会社 | ヘッドホン並びにスピーカーユニット |
| US11477566B1 (en) * | 2020-10-09 | 2022-10-18 | Anthony James Crocker | Tone wood headphone cup |
| US11805348B2 (en) | 2022-02-28 | 2023-10-31 | Zachary Arthur Mehrbach | Acoustical damping system for headphones |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3061690A (en) * | 1958-09-15 | 1962-10-30 | Turner Company | Acoustically compensated microphone with adjustable acoustic resistance |
| US3617654A (en) * | 1968-11-18 | 1971-11-02 | Stephen L Heidrich | Electroacoustic transducer |
| NL7001438A (enExample) * | 1969-02-17 | 1970-08-19 |
-
1975
- 1975-10-29 US US05/626,788 patent/US3999020A/en not_active Expired - Lifetime
-
1976
- 1976-10-25 CA CA264,040A patent/CA1066630A/en not_active Expired
- 1976-10-27 DE DE19762648786 patent/DE2648786A1/de not_active Withdrawn
- 1976-10-27 JP JP12839176A patent/JPS5282216A/ja active Pending
- 1976-10-29 GB GB45035/76A patent/GB1516770A/en not_active Expired
- 1976-10-29 FR FR7632785A patent/FR2330240A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5282216A (en) | 1977-07-09 |
| FR2330240A1 (fr) | 1977-05-27 |
| FR2330240B3 (enExample) | 1979-07-13 |
| GB1516770A (en) | 1978-07-05 |
| DE2648786A1 (de) | 1977-05-05 |
| US3999020A (en) | 1976-12-21 |
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