JPS5416850B2 - - Google Patents
Info
- Publication number
- JPS5416850B2 JPS5416850B2 JP11417475A JP11417475A JPS5416850B2 JP S5416850 B2 JPS5416850 B2 JP S5416850B2 JP 11417475 A JP11417475 A JP 11417475A JP 11417475 A JP11417475 A JP 11417475A JP S5416850 B2 JPS5416850 B2 JP S5416850B2
- Authority
- JP
- Japan
- 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
- H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Transceivers (AREA)
- Telephone Set Structure (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50114174A JPS5237421A (en) | 1975-09-19 | 1975-09-19 | Earplug type transmitter-receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50114174A JPS5237421A (en) | 1975-09-19 | 1975-09-19 | Earplug type transmitter-receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5237421A JPS5237421A (en) | 1977-03-23 |
| JPS5416850B2 true JPS5416850B2 (fr) | 1979-06-26 |
Family
ID=14631021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50114174A Granted JPS5237421A (en) | 1975-09-19 | 1975-09-19 | Earplug type transmitter-receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5237421A (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53754A (en) * | 1977-05-02 | 1978-01-06 | Gouda Shishiyuu Kougiyoushiyo | Special embroidering machine |
| JPS56122245A (en) * | 1980-02-29 | 1981-09-25 | Pilot Pen Co Ltd:The | Automatic control system for transmission or recording and transmission and reception |
| US4520236A (en) * | 1983-11-30 | 1985-05-28 | Nu-Bar Electronics | Sound transfer from a hearing aid to the human ear drum |
| JPS62196443U (fr) * | 1986-06-03 | 1987-12-14 | ||
| JPS63120546A (ja) * | 1986-11-10 | 1988-05-24 | Temuko Japan:Kk | ワイヤレス電話装置 |
| JPS63120547A (ja) * | 1986-11-10 | 1988-05-24 | Temuko Japan:Kk | 電話装置 |
| JPH01321969A (ja) * | 1988-06-17 | 1989-12-27 | Takamura Seni Kk | 極太糸縫着用の刺しゅう装置及びそれに用いる刺しゅう糸誘導具 |
| JPH09172479A (ja) * | 1995-12-20 | 1997-06-30 | Yokoi Kikaku:Kk | 送受話器およびそれを用いた通話装置 |
| US6175633B1 (en) | 1997-04-09 | 2001-01-16 | Cavcom, Inc. | Radio communications apparatus with attenuating ear pieces for high noise environments |
| JP5691012B1 (ja) * | 2014-05-15 | 2015-04-01 | 角元 純一 | 環境騒音の遮音用イヤホンアタッチメント |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3819860A (en) * | 1971-09-10 | 1974-06-25 | R Miller | Audio transceiver for transmitting to and receiving from the ear canal |
| JPS4975132A (fr) * | 1972-11-21 | 1974-07-19 |
-
1975
- 1975-09-19 JP JP50114174A patent/JPS5237421A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3819860A (en) * | 1971-09-10 | 1974-06-25 | R Miller | Audio transceiver for transmitting to and receiving from the ear canal |
| JPS4975132A (fr) * | 1972-11-21 | 1974-07-19 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5237421A (en) | 1977-03-23 |