FR2330240B3 - - Google Patents
Info
- Publication number
- FR2330240B3 FR2330240B3 FR7632785A FR7632785A FR2330240B3 FR 2330240 B3 FR2330240 B3 FR 2330240B3 FR 7632785 A FR7632785 A FR 7632785A FR 7632785 A FR7632785 A FR 7632785A FR 2330240 B3 FR2330240 B3 FR 2330240B3
- Authority
- FR
- France
- 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
- H04R1/10—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 (2)
| Publication Number | Publication Date |
|---|---|
| FR2330240A1 FR2330240A1 (fr) | 1977-05-27 |
| FR2330240B3 true FR2330240B3 (US07709020-20100504-C00032.png) | 1979-07-13 |
Family
ID=24511858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7632785A Granted FR2330240A1 (fr) | 1975-10-29 | 1976-10-29 | Perfectionnements aux tranducteurs de frequence audible et aux ecouteurs utilisant de tels transducteurs |
Country Status (6)
Families Citing this family (24)
| 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 |
| US4373119A (en) * | 1980-12-05 | 1983-02-08 | Motorola, Inc. | Adjustable transducer |
| 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. |
| WO2008011719A1 (en) * | 2006-07-28 | 2008-01-31 | Hildebrandt James G | Headphone improvements |
| 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 (US07709020-20100504-C00032.png) * | 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 JP JP12839176A patent/JPS5282216A/ja active Pending
- 1976-10-27 DE DE19762648786 patent/DE2648786A1/de not_active Withdrawn
- 1976-10-29 FR FR7632785A patent/FR2330240A1/fr active Granted
- 1976-10-29 GB GB45035/76A patent/GB1516770A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1516770A (en) | 1978-07-05 |
| FR2330240A1 (fr) | 1977-05-27 |
| JPS5282216A (en) | 1977-07-09 |
| US3999020A (en) | 1976-12-21 |
| DE2648786A1 (de) | 1977-05-05 |
| CA1066630A (en) | 1979-11-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |