SE345785B - - Google Patents
Info
- Publication number
- SE345785B SE345785B SE1798766A SE1798766A SE345785B SE 345785 B SE345785 B SE 345785B SE 1798766 A SE1798766 A SE 1798766A SE 1798766 A SE1798766 A SE 1798766A SE 345785 B SE345785 B SE 345785B
- Authority
- SE
- Sweden
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
-
- 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
- H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only using transducers reproducing the same frequency band
-
- 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
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51820266A | 1966-01-03 | 1966-01-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE345785B true SE345785B (xx) | 1972-06-05 |
Family
ID=24062983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE1798766A SE345785B (xx) | 1966-01-03 | 1966-12-30 |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT303851B (xx) |
| BE (1) | BE763891Q (xx) |
| CH (1) | CH471518A (xx) |
| DE (1) | DE1512747A1 (xx) |
| ES (1) | ES335168A1 (xx) |
| FR (1) | FR1510260A (xx) |
| GB (1) | GB1174415A (xx) |
| NL (1) | NL6700076A (xx) |
| SE (1) | SE345785B (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2251178C3 (de) * | 1970-10-23 | 1982-10-07 | Bürk, Hans, 7911 Unterelchingen | Lautsprecheranordnung für eine in einem breiten Frequenzbereich weitgehend ungerichtete Schallabstrahlung |
| IT1124265B (it) * | 1979-02-16 | 1986-05-07 | Harp Sas Di Gatti Lugi & C | Impianto di diffusione sonora a bassissima direttivita |
| TW203674B (xx) * | 1991-07-09 | 1993-04-11 | Tong Hoon Sohn | |
| RU2047277C1 (ru) * | 1993-08-06 | 1995-10-27 | Александр Сергеевич Гайдаров | Акустическая система |
-
1966
- 1966-12-20 GB GB5689866A patent/GB1174415A/en not_active Expired
- 1966-12-30 SE SE1798766A patent/SE345785B/xx unknown
-
1967
- 1967-01-02 ES ES335168A patent/ES335168A1/es not_active Expired
- 1967-01-02 DE DE19671512747 patent/DE1512747A1/de active Pending
- 1967-01-03 FR FR89789A patent/FR1510260A/fr not_active Expired
- 1967-01-03 AT AT5767A patent/AT303851B/de not_active IP Right Cessation
- 1967-01-03 CH CH2367A patent/CH471518A/de not_active IP Right Cessation
- 1967-01-03 NL NL6700076A patent/NL6700076A/xx unknown
-
1971
- 1971-03-05 BE BE763891A patent/BE763891Q/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| ES335168A1 (es) | 1968-06-01 |
| CH471518A (de) | 1969-04-15 |
| AT303851B (de) | 1972-12-11 |
| FR1510260A (fr) | 1968-01-19 |
| GB1174415A (en) | 1969-12-17 |
| NL6700076A (xx) | 1967-07-04 |
| BE763891Q (fr) | 1971-08-02 |
| DE1512747A1 (de) | 1969-05-14 |