JPS50152712A - - Google Patents
Info
- Publication number
- JPS50152712A JPS50152712A JP5199975A JP5199975A JPS50152712A JP S50152712 A JPS50152712 A JP S50152712A JP 5199975 A JP5199975 A JP 5199975A JP 5199975 A JP5199975 A JP 5199975A JP S50152712 A JPS50152712 A JP S50152712A
- 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
- 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US46585674A | 1974-05-01 | 1974-05-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50152712A true JPS50152712A (ja) | 1975-12-09 |
Family
ID=23849452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5199975A Pending JPS50152712A (ja) | 1974-05-01 | 1975-04-28 |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS50152712A (ja) |
| AU (1) | AU8036575A (ja) |
| BE (1) | BE828507A (ja) |
| CA (1) | CA1024643A (ja) |
| CH (1) | CH598731A5 (ja) |
| DE (1) | DE2518521A1 (ja) |
| ES (1) | ES436953A1 (ja) |
| FR (1) | FR2269832A1 (ja) |
| GB (1) | GB1468787A (ja) |
| NL (1) | NL7504714A (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3603537A1 (de) * | 1986-02-05 | 1987-08-06 | Pfleid Wohnraumakustik Gmbh | Breitbandlautsprecher |
-
1975
- 1975-04-21 AU AU80365/75A patent/AU8036575A/en not_active Expired
- 1975-04-21 NL NL7504714A patent/NL7504714A/xx unknown
- 1975-04-23 GB GB1685575A patent/GB1468787A/en not_active Expired
- 1975-04-25 ES ES436953A patent/ES436953A1/es not_active Expired
- 1975-04-25 DE DE19752518521 patent/DE2518521A1/de active Pending
- 1975-04-28 BE BE155882A patent/BE828507A/xx unknown
- 1975-04-28 JP JP5199975A patent/JPS50152712A/ja active Pending
- 1975-04-30 FR FR7513600A patent/FR2269832A1/fr not_active Withdrawn
- 1975-04-30 CH CH556175A patent/CH598731A5/xx not_active IP Right Cessation
- 1975-04-30 CA CA225,878A patent/CA1024643A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1024643A (en) | 1978-01-17 |
| AU8036575A (en) | 1976-10-28 |
| CH598731A5 (ja) | 1978-05-12 |
| ES436953A1 (es) | 1976-12-01 |
| GB1468787A (en) | 1977-03-30 |
| BE828507A (fr) | 1975-08-18 |
| NL7504714A (nl) | 1975-11-04 |
| DE2518521A1 (de) | 1975-11-13 |
| FR2269832A1 (ja) | 1975-11-28 |