GB8715324D0 - Electromechanical transducer - Google Patents

Electromechanical transducer

Info

Publication number
GB8715324D0
GB8715324D0 GB878715324A GB8715324A GB8715324D0 GB 8715324 D0 GB8715324 D0 GB 8715324D0 GB 878715324 A GB878715324 A GB 878715324A GB 8715324 A GB8715324 A GB 8715324A GB 8715324 D0 GB8715324 D0 GB 8715324D0
Authority
GB
United Kingdom
Prior art keywords
electromechanical transducer
electromechanical
transducer
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.)
Withdrawn
Application number
GB878715324A
Other versions
GB2194707A (en
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.)
REEFGRADE Ltd
Original Assignee
REEFGRADE Ltd
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.)
Filing date
Publication date
Priority claimed from GB08530424A external-priority patent/GB2193413A/en
Application filed by REEFGRADE Ltd filed Critical REEFGRADE Ltd
Priority to GB08715324A priority Critical patent/GB2194707A/en
Publication of GB8715324D0 publication Critical patent/GB8715324D0/en
Publication of GB2194707A publication Critical patent/GB2194707A/en
Withdrawn legal-status Critical Current

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
    • H04R9/022—Cooling arrangements
    • 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
GB08715324A 1985-12-10 1987-06-30 Electromechanical transducer Withdrawn GB2194707A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08715324A GB2194707A (en) 1985-12-10 1987-06-30 Electromechanical transducer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB08530424A GB2193413A (en) 1985-12-10 1985-12-10 Electromechanical transducer
GB08715324A GB2194707A (en) 1985-12-10 1987-06-30 Electromechanical transducer

Publications (2)

Publication Number Publication Date
GB8715324D0 true GB8715324D0 (en) 1987-08-05
GB2194707A GB2194707A (en) 1988-03-09

Family

ID=26290095

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08715324A Withdrawn GB2194707A (en) 1985-12-10 1987-06-30 Electromechanical transducer

Country Status (1)

Country Link
GB (1) GB2194707A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5042072A (en) * 1989-04-14 1991-08-20 Harman International Industries, Inc. Self-cooled loudspeaker
EP0574387A1 (en) * 1990-10-09 1993-12-22 Stage Ac-Company B.V. Electrodynamic loudspeaker with cooling arrangement
NL9002510A (en) * 1990-11-16 1992-06-16 Stage Accompany B V SPEAKER WITH COOLING.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB406749A (en) * 1932-09-08 1934-03-08 Albert Henry Midgley Improvements in or relating to telephone transmitters or receivers for transmitting, reproducing or recording sound waves
US4017694A (en) * 1976-02-18 1977-04-12 Essex Group, Inc. Method for making loudspeaker with magnetic fluid enveloping the voice coil
JPS5843091U (en) * 1981-09-17 1983-03-23 澤藤　正 Diaphragm for electroacoustic transducer

Also Published As

Publication number Publication date
GB2194707A (en) 1988-03-09

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)