GB1543028A – Electroacoustical transducer
– Google Patents
GB1543028A – Electroacoustical transducer
– Google Patents
Electroacoustical transducer
Info
Publication number
GB1543028A
GB1543028A
GB51592/77A
GB5159277A
GB1543028A
GB 1543028 A
GB1543028 A
GB 1543028A
GB 51592/77 A
GB51592/77 A
GB 51592/77A
GB 5159277 A
GB5159277 A
GB 5159277A
GB 1543028 A
GB1543028 A
GB 1543028A
Authority
GB
United Kingdom
Prior art keywords
electroacoustical transducer
electroacoustical
transducer
Prior art date
1976-08-27
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
Application number
GB51592/77A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bose Corp
Original Assignee
Bose Corp
Priority date (The priority date 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 date listed.)
1976-08-27
Filing date
1977-07-29
Publication date
1979-03-28
1976-08-27
Priority claimed from US05/718,178
external-priority
patent/US4158756A/en
1976-08-27
Priority claimed from US05/718,112
external-priority
patent/US4061890A/en
1977-07-29
Application filed by Bose Corp
filed
Critical
Bose Corp
1979-03-28
Publication of GB1543028A
publication
Critical
patent/GB1543028A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
H04R7/00—Diaphragms for electromechanical transducers; Cones
H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
H04R7/12—Non-planar diaphragms or cones
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
H04R7/00—Diaphragms for electromechanical transducers; Cones
H04R7/16—Mounting or tensioning of diaphragms or cones
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
H04R9/025—Magnetic circuit
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
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
H04R31/006—Interconnection of transducer parts
GB51592/77A
1976-08-27
1977-07-29
Electroacoustical transducer
Expired
GB1543028A
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
US05/718,178
US4158756A
(en)
1976-08-27
1976-08-27
Dynamic loudspeaker with plastic basket encapsulating front pole plate
US05/718,112
US4061890A
(en)
1976-08-27
1976-08-27
Loudspeaker with single layer rectangular wire voice coil wound on slit metal bobbin with a notch in the adjacent pole plate
Publications (1)
Publication Number
Publication Date
GB1543028A
true
GB1543028A
(en)
1979-03-28
Family
ID=27109839
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB51592/77A
Expired
GB1543028A
(en)
1976-08-27
1977-07-29
Electroacoustical transducer
Country Status (8)
Country
Link
JP
(1)
JPS5329115A
(en)
AU
(1)
AU512997B2
(en)
DE
(1)
DE2738784A1
(en)
FR
(1)
FR2363255A1
(en)
GB
(1)
GB1543028A
(en)
IT
(1)
IT1080558B
(en)
NL
(1)
NL7709369A
(en)
SE
(3)
SE418137B
(en)
Families Citing this family (5)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
JPS58144993U
(en)
*
1982-03-24
1983-09-29
オンキヨー株式会社
oval speaker
FR2542551A1
(en)
*
1983-03-07
1984-09-14
Picart Lebas
Electroacoustic transducer of dynamic type, in particular for apparatuses
GB1456501A
(en)
*
1988-03-08
1976-11-24
Indep Broadcasting Authority
Television apparatus
JPH0816037A
(en)
*
1994-06-30
1996-01-19
Nec Corp
Photoconductive drum apparatus
JP2017076962A
(en)
*
2015-10-06
2017-04-20
サウンド、ソリューションズ、インターナショナル、カンパニー、リミテッドSound Solutions International Co., Ltd.
Electroacoustic transducer
Family Cites Families (7)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR1260064A
(en)
*
1960-03-14
1961-05-05
Vadasztoltenygyar
Magnetic speaker
US3258543A
(en)
*
1962-10-01
1966-06-28
Electro Voice
Dynamic microphone
DE1268679B
(en)
*
1963-02-25
1968-05-22
Victor Company Of Japan
Method and device for manufacturing loudspeaker frames
DE1901976A1
(en)
*
1968-05-13
1970-01-15
Elettrofisico Di Zanon & C S A
Monoblock loudspeaker and process for its manufacture
GB1219918A
(en)
*
1968-08-08
1971-01-20
Standard Telephones Cables Ltd
Improvements in and relating to moving coil transducers
FR2133490A1
(en)
*
1971-04-15
1972-12-01
Mikrut Antoine
Sound producing appts – with injection moulded base and diaphragm
AT338351B
(en)
*
1975-04-29
1977-08-25
Philips Nv
ELECTROACOUSTIC CONVERTER, METHOD FOR MANUFACTURING SUCH A CONVERTER AND DEVICE FOR CARRYING OUT SUCH METHODS
1977
1977-05-31
FR
FR7716605A
patent/FR2363255A1/en
active
Granted
1977-06-08
IT
IT24502/77A
patent/IT1080558B/en
active
1977-06-29
JP
JP7772777A
patent/JPS5329115A/en
active
Granted
1977-07-14
SE
SE7708200A
patent/SE418137B/en
unknown
1977-07-29
GB
GB51592/77A
patent/GB1543028A/en
not_active
Expired
1977-08-12
AU
AU27870/77A
patent/AU512997B2/en
not_active
Expired
1977-08-25
NL
NL7709369A
patent/NL7709369A/en
not_active
Application Discontinuation
1977-08-27
DE
DE19772738784
patent/DE2738784A1/en
not_active
Withdrawn
1979
1979-09-25
SE
SE7907932A
patent/SE7907932L/en
not_active
Application Discontinuation
1980
1980-12-15
SE
SE8008806A
patent/SE8008806L/en
not_active
Application Discontinuation
Also Published As
Publication number
Publication date
IT1080558B
(en)
1985-05-16
DE2738784A1
(en)
1978-03-02
NL7709369A
(en)
1978-03-01
SE8008806L
(en)
1980-12-15
SE7708200L
(en)
1978-02-28
JPS6138679B2
(en)
1986-08-30
SE418137B
(en)
1981-05-04
JPS5329115A
(en)
1978-03-18
SE7907932L
(en)
1979-09-25
FR2363255B1
(en)
1982-05-28
AU2787077A
(en)
1979-02-15
FR2363255A1
(en)
1978-03-24
AU512997B2
(en)
1980-11-06
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Legal Events
Date
Code
Title
Description
1979-08-15
PS
Patent sealed [section 19, patents act 1949]
1982-02-24
PCNP
Patent ceased through non-payment of renewal fee