JPS5023215A - - Google Patents
Info
- Publication number
- JPS5023215A JPS5023215A JP49063826A JP6382674A JPS5023215A JP S5023215 A JPS5023215 A JP S5023215A JP 49063826 A JP49063826 A JP 49063826A JP 6382674 A JP6382674 A JP 6382674A JP S5023215 A JPS5023215 A JP S5023215A
- 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.)
- Pending
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
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/367,157 US3980829A (en) | 1973-06-05 | 1973-06-05 | Wide angle cylindrical wave loudspeaker extending approximately from floor to ceiling height with a lens |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5023215A true JPS5023215A (ja) | 1975-03-12 |
Family
ID=23446126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP49063826A Pending JPS5023215A (ja) | 1973-06-05 | 1974-06-05 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3980829A (ja) |
JP (1) | JPS5023215A (ja) |
DE (1) | DE2427142A1 (ja) |
FR (1) | FR2232898B3 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5358135A (en) * | 1976-11-04 | 1978-05-25 | Tsuzuki Junichi | Tunnel upset work device and tunnel upset work method |
JP2020532912A (ja) * | 2017-09-04 | 2020-11-12 | アルコンズ オーディオ ビー.ヴィ.Alcons Audio B.V. | 波面整形装置を備えたラウドスピーカ |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1086464B (it) * | 1977-09-06 | 1985-05-28 | Selmin Sas | Metodo e dispositivi per l'irradiazione omnidirezionale di onde acustiche |
US4270023A (en) * | 1979-05-31 | 1981-05-26 | Beveridge Harold N | Cylindrical speaker mechanism |
US4267405A (en) * | 1979-06-05 | 1981-05-12 | Mcintosh Laboratory, Inc. | Stereo speaker system for creating stereo images |
DE3407980A1 (de) * | 1983-04-20 | 1984-10-25 | Tadashi Tokio/Tokyo Sawafuji | Kristallschallerzeuger |
FR2627886B1 (fr) * | 1988-02-29 | 1994-05-13 | Heil Christian | Guide d'onde sonore cylindrique |
PL356477A1 (en) * | 1999-12-22 | 2004-06-28 | 2+2+2 Ag | Method and arrangement for recording and playing back sounds |
US20110222722A1 (en) * | 2004-05-28 | 2011-09-15 | Lennart Hoglund | Loudspeaker with distributed driving of the membrane |
SE528998C2 (sv) * | 2004-05-28 | 2007-04-03 | Lennart Hoeglund | Högtalarsystem |
JP2008278145A (ja) * | 2007-04-27 | 2008-11-13 | Victor Co Of Japan Ltd | スピーカシステム用音波行路長補正構造 |
US8181736B2 (en) | 2008-08-14 | 2012-05-22 | Harman International Industries, Incorporated | Phase plug and acoustic lens for direct radiating loudspeaker |
US9571923B2 (en) | 2015-01-19 | 2017-02-14 | Harman International Industries, Incorporated | Acoustic waveguide |
EP3429224A1 (en) | 2017-07-14 | 2019-01-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Loudspeaker |
US11682378B2 (en) * | 2020-12-16 | 2023-06-20 | Signal Essence, LLC | Acoustic lens for safety barriers |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2102212A (en) * | 1935-09-30 | 1937-12-14 | Rca Corp | Sound reproducing apparatus |
US1735860A (en) * | 1927-04-01 | 1929-11-19 | Acoustic Products Company | Flexed sounding board |
US1849486A (en) * | 1927-04-06 | 1932-03-15 | Rca Corp | Multiple unit sound amplifier |
US2143175A (en) * | 1937-10-23 | 1939-01-10 | Samuel A Waite | Sound reproducing system |
US2481576A (en) * | 1944-07-14 | 1949-09-13 | Hartford Nat Bank & Trust Co | Device for stereophonic sound transmission in two channels |
US2537141A (en) * | 1945-06-15 | 1951-01-09 | Paul W Klipsch | Loud-speaker horn |
US2636943A (en) * | 1951-02-26 | 1953-04-28 | Pierre H Schaeffer | Spatial music projecting device |
GB744167A (en) * | 1952-11-19 | 1956-02-01 | Tannoy Ltd | Improvements relating to loudspeakers |
US2751996A (en) * | 1953-04-29 | 1956-06-26 | Sidney E Levy | Horn for loudspeakers |
US2941044A (en) * | 1954-04-23 | 1960-06-14 | Rca Corp | Controlled sound reproduction |
GB829214A (en) * | 1957-01-11 | 1960-03-02 | Douglas Arthur Lyons | Improvements in loud speaker systems |
US3070669A (en) * | 1957-10-21 | 1962-12-25 | Philips Corp | Stereophonic sound recording and reproduction |
FR1199441A (fr) * | 1958-02-26 | 1959-12-14 | Procédé et dispositifs de restitution de l'espace sonore dans des locaux de faibles ou moyennes dimensions | |
US3027964A (en) * | 1958-06-24 | 1962-04-03 | Ampex | Loudspeaker |
GB978781A (en) * | 1961-04-14 | 1964-12-23 | Gen Electric Co Ltd | Improvements in or relating to sound reproducing apparatus |
US3162727A (en) * | 1961-08-25 | 1964-12-22 | Gen Electric | Stereophonic reverberation system |
US3179202A (en) * | 1963-04-15 | 1965-04-20 | Argos Products Company Inc | Enclosure for focusing a loudspeaker sound column |
US3308237A (en) * | 1963-05-31 | 1967-03-07 | Muter Company | Columnar loudspeaker system |
US3207257A (en) * | 1964-10-14 | 1965-09-21 | Basil L Wilson | Adjustable column speaker enclosure |
US3389226A (en) * | 1964-12-29 | 1968-06-18 | Gen Electric | Electrostatic loudspeaker |
GB1088756A (en) * | 1965-02-01 | 1967-10-25 | Decca Ltd | Improvements in or relating to loudspeaker horns |
US3582553A (en) * | 1967-12-04 | 1971-06-01 | Bose Corp | Loudspeaker system |
US3668335A (en) * | 1969-06-17 | 1972-06-06 | Harold N Beveridge | Electrostatic loudspeaker |
-
1973
- 1973-06-05 US US05/367,157 patent/US3980829A/en not_active Expired - Lifetime
-
1974
- 1974-06-05 DE DE19742427142 patent/DE2427142A1/de not_active Withdrawn
- 1974-06-05 JP JP49063826A patent/JPS5023215A/ja active Pending
- 1974-06-05 FR FR7419384A patent/FR2232898B3/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5358135A (en) * | 1976-11-04 | 1978-05-25 | Tsuzuki Junichi | Tunnel upset work device and tunnel upset work method |
JPS5735360B2 (ja) * | 1976-11-04 | 1982-07-28 | ||
JP2020532912A (ja) * | 2017-09-04 | 2020-11-12 | アルコンズ オーディオ ビー.ヴィ.Alcons Audio B.V. | 波面整形装置を備えたラウドスピーカ |
Also Published As
Publication number | Publication date |
---|---|
FR2232898A1 (ja) | 1975-01-03 |
DE2427142A1 (de) | 1975-01-02 |
FR2232898B3 (ja) | 1977-04-08 |
US3980829A (en) | 1976-09-14 |