NO138010C - Rundstraalende hoeyttalerboks. - Google Patents
Rundstraalende hoeyttalerboks.Info
- Publication number
- NO138010C NO138010C NO740917A NO740917A NO138010C NO 138010 C NO138010 C NO 138010C NO 740917 A NO740917 A NO 740917A NO 740917 A NO740917 A NO 740917A NO 138010 C NO138010 C NO 138010C
- Authority
- NO
- Norway
- Prior art keywords
- crossing
- speaker box
- speaker
- box
- crossing speaker
- Prior art date
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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
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)
- Details Of Audible-Bandwidth Transducers (AREA)
- Golf Clubs (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE7331468 | 1973-08-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
NO740917L NO740917L (no) | 1975-03-24 |
NO138010B NO138010B (no) | 1978-02-27 |
NO138010C true NO138010C (no) | 1978-06-21 |
Family
ID=6640354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO740917A NO138010C (no) | 1973-08-30 | 1974-03-15 | Rundstraalende hoeyttalerboks. |
Country Status (14)
Country | Link |
---|---|
JP (1) | JPS5437296Y2 (no) |
AT (1) | AT334436B (no) |
BE (1) | BE812893A (no) |
CH (1) | CH564296A5 (no) |
DK (1) | DK196574A (no) |
ES (1) | ES426700A1 (no) |
FI (1) | FI85774A (no) |
FR (1) | FR2242830B3 (no) |
GB (1) | GB1451169A (no) |
IT (1) | IT1020578B (no) |
LU (1) | LU69645A1 (no) |
NL (1) | NL7405042A (no) |
NO (1) | NO138010C (no) |
SE (1) | SE393508B (no) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4836329A (en) * | 1987-07-21 | 1989-06-06 | Hughes Aircraft Company | Loudspeaker system with wide dispersion baffle |
GB2212694A (en) * | 1987-11-21 | 1989-07-26 | Robert Alfred Webb | Speaker |
FR2637147B1 (fr) * | 1988-09-29 | 1990-12-28 | Mutek Sarl | Enceinte electro-acoustique omnidirectionnelle |
GB2305062B (en) * | 1995-09-06 | 2000-03-22 | Thomas Davies Richard John | Double accoustic deflector |
US5784468A (en) * | 1996-10-07 | 1998-07-21 | Srs Labs, Inc. | Spatial enhancement speaker systems and methods for spatially enhanced sound reproduction |
-
1974
- 1974-03-12 CH CH345474A patent/CH564296A5/xx not_active IP Right Cessation
- 1974-03-15 AT AT215974A patent/AT334436B/de not_active IP Right Cessation
- 1974-03-15 LU LU69645A patent/LU69645A1/xx unknown
- 1974-03-15 NO NO740917A patent/NO138010C/no unknown
- 1974-03-21 SE SE7403817A patent/SE393508B/xx unknown
- 1974-03-21 FI FI857/M7A patent/FI85774A/fi unknown
- 1974-03-22 FR FR7409917A patent/FR2242830B3/fr not_active Expired
- 1974-03-27 BE BE142499A patent/BE812893A/xx unknown
- 1974-04-08 GB GB1537674A patent/GB1451169A/en not_active Expired
- 1974-04-09 DK DK196574A patent/DK196574A/da not_active Application Discontinuation
- 1974-04-11 NL NL7405042A patent/NL7405042A/xx unknown
- 1974-04-12 IT IT68180/74A patent/IT1020578B/it active
- 1974-04-13 JP JP1974042206U patent/JPS5437296Y2/ja not_active Expired
- 1974-05-27 ES ES426700A patent/ES426700A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5437296Y2 (no) | 1979-11-09 |
ATA215974A (de) | 1976-05-15 |
NO740917L (no) | 1975-03-24 |
IT1020578B (it) | 1977-12-30 |
NO138010B (no) | 1978-02-27 |
ES426700A1 (es) | 1976-08-01 |
SE393508B (sv) | 1977-05-09 |
FI85774A (no) | 1975-03-01 |
CH564296A5 (no) | 1975-07-15 |
FR2242830B3 (no) | 1977-01-07 |
SE7403817L (no) | 1975-03-03 |
JPS50117817U (no) | 1975-09-26 |
GB1451169A (en) | 1976-09-29 |
NL7405042A (nl) | 1975-03-04 |
BE812893A (fr) | 1974-07-15 |
LU69645A1 (no) | 1974-07-10 |
FR2242830A1 (no) | 1975-03-28 |
DK196574A (no) | 1975-04-21 |
AT334436B (de) | 1976-01-10 |
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