JPS4875630U - - Google Patents
Info
- Publication number
- JPS4875630U JPS4875630U JP1971103200U JP10320071U JPS4875630U JP S4875630 U JPS4875630 U JP S4875630U JP 1971103200 U JP1971103200 U JP 1971103200U JP 10320071 U JP10320071 U JP 10320071U JP S4875630 U JPS4875630 U JP S4875630U
- 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.)
- 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
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49005—Acoustic transducer
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1971103200U JPS5116284Y2 (cg-RX-API-DMAC7.html) | 1971-11-08 | 1971-11-08 | |
| US00303544A US3835265A (en) | 1971-11-08 | 1972-11-03 | Vibrating member for acoustic transducer |
| DE19722254292 DE2254292B2 (de) | 1971-11-08 | 1972-11-06 | Membran fuer elektroakustische wandler und verfahren zu ihrer herstellung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1971103200U JPS5116284Y2 (cg-RX-API-DMAC7.html) | 1971-11-08 | 1971-11-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4875630U true JPS4875630U (cg-RX-API-DMAC7.html) | 1973-09-19 |
| JPS5116284Y2 JPS5116284Y2 (cg-RX-API-DMAC7.html) | 1976-04-28 |
Family
ID=14347860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1971103200U Expired JPS5116284Y2 (cg-RX-API-DMAC7.html) | 1971-11-08 | 1971-11-08 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3835265A (cg-RX-API-DMAC7.html) |
| JP (1) | JPS5116284Y2 (cg-RX-API-DMAC7.html) |
| DE (1) | DE2254292B2 (cg-RX-API-DMAC7.html) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4467979A (en) * | 1982-02-01 | 1984-08-28 | Noma Inc. | Cord reel |
| EP0185833A1 (en) * | 1984-12-27 | 1986-07-02 | Audiotecnica Italina srl | Membrane in plastic materials for loudspeakers |
| JP3512087B2 (ja) * | 1999-06-15 | 2004-03-29 | 日本電気株式会社 | パネルスピーカ |
| US6438249B1 (en) | 2000-02-15 | 2002-08-20 | Soundtube Entertainment, Inc | Open back acoustic speaker module |
| US7440581B2 (en) | 2000-04-12 | 2008-10-21 | Soundtube Entertainment, Inc. | Backpack with integrated speakers |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1688730A (en) * | 1928-10-23 | Best available cop | ||
| US1626743A (en) * | 1925-02-21 | 1927-05-03 | American Telephone & Telegraph | Cone loud-speaker diaphragm |
| US2030501A (en) * | 1934-01-31 | 1936-02-11 | Rca Corp | Loudspeaker cone diaphragm and method of producing same |
| US2044608A (en) * | 1935-05-03 | 1936-06-16 | Du Pont Viscoloid Co | Diaphragm for electrical reproduction of sound |
-
1971
- 1971-11-08 JP JP1971103200U patent/JPS5116284Y2/ja not_active Expired
-
1972
- 1972-11-03 US US00303544A patent/US3835265A/en not_active Expired - Lifetime
- 1972-11-06 DE DE19722254292 patent/DE2254292B2/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2254292B2 (de) | 1976-04-22 |
| DE2254292A1 (de) | 1973-05-17 |
| US3835265A (en) | 1974-09-10 |
| JPS5116284Y2 (cg-RX-API-DMAC7.html) | 1976-04-28 |