JPS547573B2 - - Google Patents
Info
- Publication number
- JPS547573B2 JPS547573B2 JP12460475A JP12460475A JPS547573B2 JP S547573 B2 JPS547573 B2 JP S547573B2 JP 12460475 A JP12460475 A JP 12460475A JP 12460475 A JP12460475 A JP 12460475A JP S547573 B2 JPS547573 B2 JP S547573B2
- 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
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/34—Directing or guiding sound by means of a phase plug
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50124604A JPS5248310A (en) | 1975-10-15 | 1975-10-15 | Equalizer for pneumatic braking forces in front and at the back of spe aker with oscillatory diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50124604A JPS5248310A (en) | 1975-10-15 | 1975-10-15 | Equalizer for pneumatic braking forces in front and at the back of spe aker with oscillatory diaphragm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5248310A JPS5248310A (en) | 1977-04-18 |
| JPS547573B2 true JPS547573B2 (forum.php) | 1979-04-07 |
Family
ID=14889539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50124604A Granted JPS5248310A (en) | 1975-10-15 | 1975-10-15 | Equalizer for pneumatic braking forces in front and at the back of spe aker with oscillatory diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5248310A (forum.php) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5117462A (en) * | 1991-03-20 | 1992-05-26 | Jbl Incorporated | Phasing plug for compression driver |
| JP2008193416A (ja) * | 2007-02-05 | 2008-08-21 | Sony Corp | スピーカユニット及びスピーカ装置 |
-
1975
- 1975-10-15 JP JP50124604A patent/JPS5248310A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5248310A (en) | 1977-04-18 |