JPS5515156B2 - - Google Patents
Info
- Publication number
- JPS5515156B2 JPS5515156B2 JP8250375A JP8250375A JPS5515156B2 JP S5515156 B2 JPS5515156 B2 JP S5515156B2 JP 8250375 A JP8250375 A JP 8250375A JP 8250375 A JP8250375 A JP 8250375A JP S5515156 B2 JPS5515156 B2 JP S5515156B2
- 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/023—Diaphragms comprising ceramic-like materials, e.g. pure ceramic, glass, boride, nitride, carbide, mica and carbon materials
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
- H04R2307/027—Diaphragms comprising metallic materials
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8250375A JPS526523A (en) | 1975-07-04 | 1975-07-04 | Oscillating body for electroacoustic transucer and its manufacturing m ethod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8250375A JPS526523A (en) | 1975-07-04 | 1975-07-04 | Oscillating body for electroacoustic transucer and its manufacturing m ethod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS526523A JPS526523A (en) | 1977-01-19 |
| JPS5515156B2 true JPS5515156B2 (en) | 1980-04-21 |
Family
ID=13776292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8250375A Granted JPS526523A (en) | 1975-07-04 | 1975-07-04 | Oscillating body for electroacoustic transucer and its manufacturing m ethod |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS526523A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS575994Y2 (en) * | 1977-04-15 | 1982-02-04 | ||
| JPS62158690A (en) * | 1985-12-24 | 1987-07-14 | 清水建設株式会社 | Underground storage facility and execution method thereof |
-
1975
- 1975-07-04 JP JP8250375A patent/JPS526523A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS526523A (en) | 1977-01-19 |