JPS51113728A - Loud speaker - Google Patents

Loud speaker

Info

Publication number
JPS51113728A
JPS51113728A JP3806775A JP3806775A JPS51113728A JP S51113728 A JPS51113728 A JP S51113728A JP 3806775 A JP3806775 A JP 3806775A JP 3806775 A JP3806775 A JP 3806775A JP S51113728 A JPS51113728 A JP S51113728A
Authority
JP
Japan
Prior art keywords
loud speaker
softend
struck
offer
impact
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.)
Pending
Application number
JP3806775A
Other languages
Japanese (ja)
Inventor
Isao Kito
Norihiko Takami
Shinichiro Kawamura
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3806775A priority Critical patent/JPS51113728A/en
Publication of JPS51113728A publication Critical patent/JPS51113728A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/025Magnetic circuit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

PURPOSE:To offer a loud speaker in which an impact is softend when a part of a magnetic circuit is struck.
JP3806775A 1975-03-31 1975-03-31 Loud speaker Pending JPS51113728A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3806775A JPS51113728A (en) 1975-03-31 1975-03-31 Loud speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3806775A JPS51113728A (en) 1975-03-31 1975-03-31 Loud speaker

Publications (1)

Publication Number Publication Date
JPS51113728A true JPS51113728A (en) 1976-10-07

Family

ID=12515133

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3806775A Pending JPS51113728A (en) 1975-03-31 1975-03-31 Loud speaker

Country Status (1)

Country Link
JP (1) JPS51113728A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5432125U (en) * 1977-08-05 1979-03-02
JPS5479131U (en) * 1977-11-15 1979-06-05
JPS54164550U (en) * 1978-05-10 1979-11-17
JPS57158293U (en) * 1981-03-28 1982-10-05

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5432125U (en) * 1977-08-05 1979-03-02
JPS5479131U (en) * 1977-11-15 1979-06-05
JPS54164550U (en) * 1978-05-10 1979-11-17
JPS57158293U (en) * 1981-03-28 1982-10-05
JPS6216068Y2 (en) * 1981-03-28 1987-04-23

Similar Documents

Publication Publication Date Title
JPS5220011A (en) Sound generator circuit
JPS51113728A (en) Loud speaker
JPS5220866A (en) Time signal counting circuit of time signal clock
JPS5276896A (en) Electromagnetic acoustic signal horn
JPS51138431A (en) Speaker
JPS51117615A (en) Portable small-sized speaker
JPS5230418A (en) Head phone
JPS51113726A (en) Loud speaker
JPS51123625A (en) Scale sound generator circuit disposition
JPS522426A (en) Small-size microphone
JPS5221866A (en) Electronic clock with counting function
JPS51132095A (en) Reducing method of laser noise
JPS53135618A (en) Magnetic circuit of speakers
JPS5216107A (en) Signal judging circuit
JPS5216949A (en) Discriminating circuit in speaker telephone set, etc.
JPS51144155A (en) Voice circuit
JPS52113715A (en) Plane driving speaker
JPS51151526A (en) Loud speaker
JPS5223930A (en) Magnetic circuit
JPS51132800A (en) Electronic chime
JPS51113617A (en) Speaker free edge
JPS5213311A (en) Speaker magnetic circuit
JPS5210007A (en) Delayed operation circuit for telephone call signal
JPS5217011A (en) Magnetic circuit of the speaker
JPS51151006A (en) Data response unit