JPS576875B2 - - Google Patents
Info
- Publication number
- JPS576875B2 JPS576875B2 JP7479878A JP7479878A JPS576875B2 JP S576875 B2 JPS576875 B2 JP S576875B2 JP 7479878 A JP7479878 A JP 7479878A JP 7479878 A JP7479878 A JP 7479878A JP S576875 B2 JPS576875 B2 JP S576875B2
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81064277A | 1977-06-27 | 1977-06-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5412724A JPS5412724A (en) | 1979-01-30 |
JPS576875B2 true JPS576875B2 (en) | 1982-02-06 |
Family
ID=25204323
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7479878A Granted JPS5412724A (en) | 1977-06-27 | 1978-06-19 | Loudspeaker horn |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5412724A (en) |
CA (1) | CA1085745A (en) |
DE (1) | DE2827390C2 (en) |
FR (1) | FR2396485A1 (en) |
GB (1) | GB2000668B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58158873U (en) * | 1982-04-19 | 1983-10-22 | 三菱電機株式会社 | piping bracket |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5283836A (en) * | 1989-09-22 | 1994-02-01 | Trufitt Anthony L | Planar speakers |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1623561A (en) * | 1924-02-04 | 1927-04-05 | Westinghouse Electric & Mfg Co | Acoustic horn |
GB317339A (en) * | 1928-04-14 | 1929-08-14 | Frederick William Lanchester | An improved telephonic loud speaker |
US2537141A (en) * | 1945-06-15 | 1951-01-09 | Paul W Klipsch | Loud-speaker horn |
DE940596C (en) * | 1949-10-30 | 1956-03-22 | Siemens Ag | Wooden funnels for loudspeakers, especially bass funnels |
US2690231A (en) * | 1950-03-09 | 1954-09-28 | Univ Loudspeakers Inc | Acoustic device |
FR1024291A (en) * | 1950-09-05 | 1953-03-31 | Advanced loudspeaker horn | |
US4071112A (en) * | 1975-09-30 | 1978-01-31 | Electro-Voice, Incorporated | Horn loudspeaker |
-
1978
- 1978-06-08 CA CA304,979A patent/CA1085745A/en not_active Expired
- 1978-06-19 JP JP7479878A patent/JPS5412724A/en active Granted
- 1978-06-22 DE DE19782827390 patent/DE2827390C2/en not_active Expired
- 1978-06-26 FR FR7819032A patent/FR2396485A1/en active Granted
- 1978-06-27 GB GB7827976A patent/GB2000668B/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58158873U (en) * | 1982-04-19 | 1983-10-22 | 三菱電機株式会社 | piping bracket |
Also Published As
Publication number | Publication date |
---|---|
DE2827390C2 (en) | 1983-11-10 |
GB2000668A (en) | 1979-01-10 |
JPS5412724A (en) | 1979-01-30 |
DE2827390A1 (en) | 1979-01-18 |
FR2396485B1 (en) | 1984-03-23 |
CA1085745A (en) | 1980-09-16 |
GB2000668B (en) | 1982-06-23 |
FR2396485A1 (en) | 1979-01-26 |