GB2333928B - Surface-mounted electromagnetic sound generator - Google Patents

Surface-mounted electromagnetic sound generator

Info

Publication number
GB2333928B
GB2333928B GB9908433A GB9908433A GB2333928B GB 2333928 B GB2333928 B GB 2333928B GB 9908433 A GB9908433 A GB 9908433A GB 9908433 A GB9908433 A GB 9908433A GB 2333928 B GB2333928 B GB 2333928B
Authority
GB
United Kingdom
Prior art keywords
sound generator
electromagnetic sound
mounted electromagnetic
generator
sound
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
GB9908433A
Other versions
GB9908433D0 (en
GB2333928A (en
Inventor
Atsushi Kuwabara
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.)
Citizen Electronics Co Ltd
Original Assignee
Citizen Electronics 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
Priority claimed from JP7053362A external-priority patent/JP2876187B2/en
Application filed by Citizen Electronics Co Ltd filed Critical Citizen Electronics Co Ltd
Publication of GB9908433D0 publication Critical patent/GB9908433D0/en
Publication of GB2333928A publication Critical patent/GB2333928A/en
Application granted granted Critical
Publication of GB2333928B publication Critical patent/GB2333928B/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
    • H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
GB9908433A 1995-02-17 1996-02-14 Surface-mounted electromagnetic sound generator Expired - Fee Related GB2333928B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7053362A JP2876187B2 (en) 1995-02-17 1995-02-17 Surface mount type electromagnetic sounding body
GB9603076A GB2298334B (en) 1995-02-17 1996-02-14 Surface-mounted electromagnetic sound generator

Publications (3)

Publication Number Publication Date
GB9908433D0 GB9908433D0 (en) 1999-06-09
GB2333928A GB2333928A (en) 1999-08-04
GB2333928B true GB2333928B (en) 1999-09-15

Family

ID=26308699

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9908433A Expired - Fee Related GB2333928B (en) 1995-02-17 1996-02-14 Surface-mounted electromagnetic sound generator

Country Status (1)

Country Link
GB (1) GB2333928B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001204096A (en) * 2000-01-24 2001-07-27 Star Micronics Co Ltd Electromagnetic acoustic transducer and its manufacturing method
JP2002149162A (en) * 2000-08-30 2002-05-24 Star Micronics Co Ltd Electromagnetic acoustic converter

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60113395A (en) * 1983-11-25 1985-06-19 Hitachi Ltd Memory control circuit
EP0339855A2 (en) * 1988-04-27 1989-11-02 Sony Corporation Electrodynamic loudspeaker
EP0598556A1 (en) * 1992-11-18 1994-05-25 Star Micronics Co., Ltd. Electroacoustic transducer
US5432758A (en) * 1992-09-30 1995-07-11 Star Micronics Co., Ltd. Electroacoustic transducer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60113395A (en) * 1983-11-25 1985-06-19 Hitachi Ltd Memory control circuit
EP0339855A2 (en) * 1988-04-27 1989-11-02 Sony Corporation Electrodynamic loudspeaker
US5432758A (en) * 1992-09-30 1995-07-11 Star Micronics Co., Ltd. Electroacoustic transducer
EP0598556A1 (en) * 1992-11-18 1994-05-25 Star Micronics Co., Ltd. Electroacoustic transducer

Also Published As

Publication number Publication date
GB9908433D0 (en) 1999-06-09
GB2333928A (en) 1999-08-04

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Legal Events

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

Effective date: 20120214