GB2012520B - Speaker - Google Patents
SpeakerInfo
- Publication number
- GB2012520B GB2012520B GB7900188A GB7900188A GB2012520B GB 2012520 B GB2012520 B GB 2012520B GB 7900188 A GB7900188 A GB 7900188A GB 7900188 A GB7900188 A GB 7900188A GB 2012520 B GB2012520 B GB 2012520B
- Authority
- GB
- United Kingdom
- Prior art keywords
- speaker
- Prior art date
- 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
-
- 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
- H04R9/045—Mounting
-
- 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
- H04R9/06—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782801137 DE2801137A1 (de) | 1978-01-12 | 1978-01-12 | Lautsprecher |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2012520A GB2012520A (en) | 1979-07-25 |
GB2012520B true GB2012520B (en) | 1982-05-26 |
Family
ID=6029330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7900188A Expired GB2012520B (en) | 1978-01-12 | 1979-01-03 | Speaker |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2801137A1 (e) |
FR (1) | FR2414842A1 (e) |
GB (1) | GB2012520B (e) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU538247B2 (en) * | 1979-11-09 | 1984-08-02 | Matsushita Electric Industrial Co., Ltd. | Speaker and speaker system |
WO1983001884A1 (en) * | 1981-11-17 | 1983-05-26 | Tiefenbrun, Ivor, Sigmund | Loudspeaker assembly |
DE3309617A1 (de) * | 1983-03-17 | 1984-09-20 | Oskar 6837 St Leon-Rot Knecht | Elektroakustischer wandler |
DE3641760A1 (de) * | 1986-12-06 | 1988-06-16 | Electronic Werke Deutschland | Lautsprecher |
DE102013104810A1 (de) * | 2013-05-08 | 2014-11-13 | Eberspächer Exhaust Technology GmbH & Co. KG | Schallerzeuger für ein antischall-system zur beeinflussung von abgasgeräuschen und/oder ansauggeräuschen eines kraftfahrzeugs |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB163727A (en) * | 1919-08-13 | 1921-06-02 | William Travis | Improvements in electrical resistance elements |
US1966564A (en) * | 1928-04-05 | 1934-07-17 | Schlenker Vesper Anderson | Dynamic sound reproducer |
DE833512C (de) * | 1950-05-07 | 1952-03-10 | Mix & Genest A G | Halterung fuer Kolbenschwinger |
FR1180456A (fr) * | 1957-08-01 | 1959-06-04 | Haut-parleur électrodynamique | |
US2998496A (en) * | 1958-04-29 | 1961-08-29 | Joseph A Hassan | Loudspeaker construction |
US3112375A (en) * | 1960-01-20 | 1963-11-26 | Mechanies For Electronic Inc | Loudspeaker construction |
GB934995A (en) * | 1961-05-16 | 1963-08-21 | Goodmans Ind Ltd | Improvements in loudspeakers |
US4013846A (en) * | 1975-08-28 | 1977-03-22 | Minnesota Mining And Manufacturing Company | Piston loudspeaker |
GB1563511A (en) * | 1976-03-19 | 1980-03-26 | Harwood H | Diaphragms for electroacoustic transducers |
-
1978
- 1978-01-12 DE DE19782801137 patent/DE2801137A1/de not_active Ceased
-
1979
- 1979-01-03 GB GB7900188A patent/GB2012520B/en not_active Expired
- 1979-01-11 FR FR7900645A patent/FR2414842A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2414842B1 (e) | 1981-03-27 |
FR2414842A1 (fr) | 1979-08-10 |
GB2012520A (en) | 1979-07-25 |
DE2801137A1 (de) | 1979-07-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930103 |