JPS5776994A - Electroacoustic transducer - Google Patents
Electroacoustic transducerInfo
- Publication number
- JPS5776994A JPS5776994A JP15220780A JP15220780A JPS5776994A JP S5776994 A JPS5776994 A JP S5776994A JP 15220780 A JP15220780 A JP 15220780A JP 15220780 A JP15220780 A JP 15220780A JP S5776994 A JPS5776994 A JP S5776994A
- Authority
- JP
- Japan
- Prior art keywords
- holes
- diaphragm
- case
- thin plate
- minute holes
- 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.)
- Granted
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
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- 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
- H04R1/1016—Earpieces of the intra-aural type
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15220780A JPS5776994A (en) | 1980-10-31 | 1980-10-31 | Electroacoustic transducer |
CA000388704A CA1165248A (en) | 1980-10-31 | 1981-10-26 | Electro-acoustic transducer |
AU78013/81A AU549182B2 (en) | 1980-10-31 | 1981-10-27 | Electroacoustic converter |
EP84113587A EP0143383B1 (en) | 1980-10-31 | 1981-10-27 | Electro-acoustic transducers |
PCT/JP1981/000299 WO1982001636A1 (en) | 1980-10-31 | 1981-10-27 | Electroacoustic converter |
DE8181902954T DE3174986D1 (en) | 1980-10-31 | 1981-10-27 | Electro-acoustic transducers |
DE8484113587T DE3176170D1 (en) | 1980-10-31 | 1981-10-27 | Electro-acoustic transducers |
EP81902954A EP0064553B1 (en) | 1980-10-31 | 1981-10-27 | Electro-acoustic transducers |
US06/765,181 US4736435A (en) | 1980-10-31 | 1981-10-27 | Ear piece transducer |
KR1019810004146A KR860001263B1 (ko) | 1980-10-31 | 1981-10-29 | 전기음향 변환기 |
IT24818/81A IT1139675B (it) | 1980-10-31 | 1981-11-02 | Trasduttore elettrocustico |
SG64388A SG64388G (en) | 1980-10-31 | 1988-09-29 | Electro-acoustic transducers |
HK2889A HK2889A (en) | 1980-10-31 | 1989-01-12 | Electro-acoustic transducers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15220780A JPS5776994A (en) | 1980-10-31 | 1980-10-31 | Electroacoustic transducer |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1159694A Division JPH0681350B2 (ja) | 1989-06-23 | 1989-06-23 | イヤホン |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5776994A true JPS5776994A (en) | 1982-05-14 |
JPS6343000B2 JPS6343000B2 (ja) | 1988-08-26 |
Family
ID=15535401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15220780A Granted JPS5776994A (en) | 1980-10-31 | 1980-10-31 | Electroacoustic transducer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5776994A (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6247298A (ja) * | 1985-08-24 | 1987-02-28 | Matsushita Electric Ind Co Ltd | ヘツドホン |
US4668842A (en) * | 1983-05-31 | 1987-05-26 | Sony Corporation | Headphone |
JPS62277000A (ja) * | 1986-05-23 | 1987-12-01 | Matsushita Electric Ind Co Ltd | ヘッドホン |
JPS63156196U (ja) * | 1987-03-31 | 1988-10-13 | ||
JPH01151899A (ja) * | 1988-11-11 | 1989-06-14 | Onkyo Corp | スピーカ用イコライザの製造方法 |
WO2019069568A1 (ja) * | 2017-10-04 | 2019-04-11 | パナソニックIpマネジメント株式会社 | 音響出力装置、イヤホン、補聴器及び携帯型端末装置 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2391924A (en) * | 1941-07-16 | 1946-01-01 | Brush Dev Co | Phone and method of making same |
JPS467561Y1 (ja) * | 1967-12-30 | 1971-03-17 | ||
JPS4727927U (ja) * | 1971-04-15 | 1972-11-29 | ||
JPS5118195A (ja) * | 1974-04-25 | 1976-02-13 | Kazuharu Tanaka | Hinanyonowaiyaatookakunoshita ryokoyokaban |
JPS5249374A (en) * | 1975-10-16 | 1977-04-20 | Mitsubishi Rayon Co | Manufacture of heattresistant sheetsslike substance |
JPS5315421A (en) * | 1976-07-28 | 1978-02-13 | Sumitomo Chem Co Ltd | Herbicides |
JPS5352444U (ja) * | 1976-10-07 | 1978-05-04 |
-
1980
- 1980-10-31 JP JP15220780A patent/JPS5776994A/ja active Granted
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2391924A (en) * | 1941-07-16 | 1946-01-01 | Brush Dev Co | Phone and method of making same |
JPS467561Y1 (ja) * | 1967-12-30 | 1971-03-17 | ||
JPS4727927U (ja) * | 1971-04-15 | 1972-11-29 | ||
JPS5118195A (ja) * | 1974-04-25 | 1976-02-13 | Kazuharu Tanaka | Hinanyonowaiyaatookakunoshita ryokoyokaban |
JPS5249374A (en) * | 1975-10-16 | 1977-04-20 | Mitsubishi Rayon Co | Manufacture of heattresistant sheetsslike substance |
JPS5315421A (en) * | 1976-07-28 | 1978-02-13 | Sumitomo Chem Co Ltd | Herbicides |
JPS5352444U (ja) * | 1976-10-07 | 1978-05-04 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4668842A (en) * | 1983-05-31 | 1987-05-26 | Sony Corporation | Headphone |
JPS6247298A (ja) * | 1985-08-24 | 1987-02-28 | Matsushita Electric Ind Co Ltd | ヘツドホン |
JPS62277000A (ja) * | 1986-05-23 | 1987-12-01 | Matsushita Electric Ind Co Ltd | ヘッドホン |
JPS63156196U (ja) * | 1987-03-31 | 1988-10-13 | ||
JPH01151899A (ja) * | 1988-11-11 | 1989-06-14 | Onkyo Corp | スピーカ用イコライザの製造方法 |
WO2019069568A1 (ja) * | 2017-10-04 | 2019-04-11 | パナソニックIpマネジメント株式会社 | 音響出力装置、イヤホン、補聴器及び携帯型端末装置 |
EP3694221A4 (en) * | 2017-10-04 | 2020-11-25 | Panasonic Intellectual Property Management Co., Ltd. | SOUND OUTPUT DEVICE, EARPHONE, HEARING AID AND MOBILE TERMINAL DEVICE |
Also Published As
Publication number | Publication date |
---|---|
JPS6343000B2 (ja) | 1988-08-26 |
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