DD123419A1 - - Google Patents
Info
- Publication number
- DD123419A1 DD123419A1 DD190148A DD19014875A DD123419A1 DD 123419 A1 DD123419 A1 DD 123419A1 DD 190148 A DD190148 A DD 190148A DD 19014875 A DD19014875 A DD 19014875A DD 123419 A1 DD123419 A1 DD 123419A1
- Authority
- DD
- German Democratic Republic
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
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
-
- 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
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/046—Construction
- H04R9/047—Construction in which the windings of the moving coil lay in the same plane
- H04R9/048—Construction in which the windings of the moving coil lay in the same plane of the ribbon type
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU7402083976A SU581598A1 (ru) | 1974-12-17 | 1974-12-17 | Ленточный громкоговоритель |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD123419A1 true DD123419A1 (US20100223739A1-20100909-C00005.png) | 1976-12-12 |
Family
ID=20603486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD190148A DD123419A1 (US20100223739A1-20100909-C00005.png) | 1974-12-17 | 1975-12-15 |
Country Status (9)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4319096A (en) * | 1980-03-13 | 1982-03-09 | Winey James M | Line radiator ribbon loudspeaker |
| US4395592A (en) * | 1981-03-06 | 1983-07-26 | Mark Levinson Audio Systems Ltd. | Ribbon loudspeaker |
| SU1604170A3 (ru) * | 1989-09-01 | 1990-10-30 | Kasatkin Aleksej F | Громкоговоритель Касаткина-Фельдмана |
| US5212736A (en) * | 1990-08-08 | 1993-05-18 | Pioneer Electronic Corporation | Ribbon speaker |
| US6868166B1 (en) * | 1998-06-10 | 2005-03-15 | Xiafu Zhang | Chord-like vibration loudspeaker |
| SE0002445L (sv) * | 2000-06-27 | 2001-12-28 | Erik Liljehag | Elektroakustisk omvandlare av bandtyp samt högtalarsystem innefattande minst en sådan omvandlare |
| CZ301578B6 (cs) * | 2005-02-25 | 2010-04-21 | Šroll@Ludek | Reproduktorová soustava vyzarující válcovou akustickou vlnu |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB674470A (en) * | 1950-06-01 | 1952-06-25 | Frank Thomas Cooper | Improvements in or relating to ribbon microphones |
| FR1269138A (fr) * | 1960-06-23 | 1961-08-11 | Perfectionnements apportés aux haut-parleurs, aux microphones, et aux dispositifs analogues, de type électrodynamique | |
| US3564163A (en) * | 1967-04-20 | 1971-02-16 | Robert L Wathams | Ribbon loudspeaker |
-
1974
- 1974-12-17 SU SU7402083976A patent/SU581598A1/ru active
-
1975
- 1975-12-08 HU HU75KA1451A patent/HU173343B/hu unknown
- 1975-12-08 US US05/638,371 patent/US4027111A/en not_active Expired - Lifetime
- 1975-12-15 DD DD190148A patent/DD123419A1/xx unknown
- 1975-12-15 CS CS7500008513A patent/CS179242B1/cs unknown
- 1975-12-16 GB GB51480/75A patent/GB1509240A/en not_active Expired
- 1975-12-16 DE DE2556591A patent/DE2556591C3/de not_active Expired
- 1975-12-16 SE SE7514211A patent/SE404122B/xx unknown
- 1975-12-17 JP JP50149640A patent/JPS5273722A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SE404122B (sv) | 1978-09-18 |
| DE2556591B2 (de) | 1977-12-29 |
| DE2556591C3 (de) | 1978-09-14 |
| DE2556591A1 (de) | 1976-06-24 |
| CS179242B1 (en) | 1977-10-31 |
| US4027111A (en) | 1977-05-31 |
| SU581598A1 (ru) | 1977-11-25 |
| GB1509240A (en) | 1978-05-04 |
| HU173343B (hu) | 1979-04-28 |
| JPS5273722A (en) | 1977-06-21 |
| SE7514211L (sv) | 1976-06-18 |
