GB2338142B - Speaker - Google Patents

Speaker

Info

Publication number
GB2338142B
GB2338142B GB9910828A GB9910828A GB2338142B GB 2338142 B GB2338142 B GB 2338142B GB 9910828 A GB9910828 A GB 9910828A GB 9910828 A GB9910828 A GB 9910828A GB 2338142 B GB2338142 B GB 2338142B
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 - Fee Related
Application number
GB9910828A
Other versions
GB2338142A (en
GB9910828D0 (en
Inventor
Yoshiaki Heinouchi
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co 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
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of GB9910828D0 publication Critical patent/GB9910828D0/en
Publication of GB2338142A publication Critical patent/GB2338142A/en
Application granted granted Critical
Publication of GB2338142B publication Critical patent/GB2338142B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
GB9910828A 1998-06-02 1999-05-10 Speaker Expired - Fee Related GB2338142B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15333398 1998-06-02

Publications (3)

Publication Number Publication Date
GB9910828D0 GB9910828D0 (en) 1999-07-07
GB2338142A GB2338142A (en) 1999-12-08
GB2338142B true GB2338142B (en) 2000-08-16

Family

ID=15560202

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9910828A Expired - Fee Related GB2338142B (en) 1998-06-02 1999-05-10 Speaker

Country Status (1)

Country Link
GB (1) GB2338142B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993010647A1 (en) * 1991-11-15 1993-05-27 Lewis Athanas Ferroelectric composite film acoustic transducer
EP0782370A2 (en) * 1995-12-14 1997-07-02 Murata Manufacturing Co., Ltd. Speaker for radiating sound waves in all directions relative to a speaker-supporting surface
EP0810811A2 (en) * 1996-05-31 1997-12-03 Murata Manufacturing Co., Ltd. Speaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993010647A1 (en) * 1991-11-15 1993-05-27 Lewis Athanas Ferroelectric composite film acoustic transducer
EP0782370A2 (en) * 1995-12-14 1997-07-02 Murata Manufacturing Co., Ltd. Speaker for radiating sound waves in all directions relative to a speaker-supporting surface
EP0810811A2 (en) * 1996-05-31 1997-12-03 Murata Manufacturing Co., Ltd. Speaker

Also Published As

Publication number Publication date
GB2338142A (en) 1999-12-08
GB9910828D0 (en) 1999-07-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100510