JPS4939003B1 - - Google Patents
Info
- Publication number
- JPS4939003B1 JPS4939003B1 JP46014783A JP1478371A JPS4939003B1 JP S4939003 B1 JPS4939003 B1 JP S4939003B1 JP 46014783 A JP46014783 A JP 46014783A JP 1478371 A JP1478371 A JP 1478371A JP S4939003 B1 JPS4939003 B1 JP S4939003B1
- 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.)
- Pending
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
- H04R5/00—Stereophonic arrangements
- H04R5/033—Headphones for stereophonic communication
- H04R5/0335—Earpiece support, e.g. headbands or neckrests
-
- 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
- H04R1/1058—Manufacture or assembly
- H04R1/1075—Mountings of transducers in earphones or headphones
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
- H04R2205/022—Plurality of transducers corresponding to a plurality of sound channels in each earpiece of headphones or in a single enclosure
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Headphones And Earphones (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2068070A | 1970-03-18 | 1970-03-18 | |
| US4390370A | 1970-06-05 | 1970-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4939003B1 true JPS4939003B1 (show.php) | 1974-10-22 |
Family
ID=26693732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP46014783A Pending JPS4939003B1 (show.php) | 1970-03-18 | 1971-03-18 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS4939003B1 (show.php) |
| CA (1) | CA934868A (show.php) |
| DE (1) | DE2113073A1 (show.php) |
| GB (1) | GB1352883A (show.php) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2329851C2 (de) * | 1973-06-12 | 1975-08-14 | Neckermann Versand Kgaa, 6000 Frankfurt | Kopfhörer für die Wiedergabe echter quadrophon aufgenommener Informationen |
| JPH0659120B2 (ja) * | 1983-05-31 | 1994-08-03 | ソニー株式会社 | ヘツドホン |
| US4739860A (en) * | 1984-05-29 | 1988-04-26 | Nissan Motor Co., Ltd. | Ultrasonic rangefinder |
| US20120082328A1 (en) * | 2010-10-01 | 2012-04-05 | Creative Technology Ltd | Audio reproduction device and a method for using the aforementioned device |
-
1971
- 1971-01-27 CA CA103774A patent/CA934868A/en not_active Expired
- 1971-03-18 JP JP46014783A patent/JPS4939003B1/ja active Pending
- 1971-03-18 DE DE19712113073 patent/DE2113073A1/de active Pending
- 1971-04-19 GB GB2429171A patent/GB1352883A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1352883A (en) | 1974-05-15 |
| DE2113073A1 (de) | 1971-10-07 |
| CA934868A (en) | 1973-10-02 |