JPS522722A - Speaker device - Google Patents

Speaker device

Info

Publication number
JPS522722A
JPS522722A JP50079522A JP7952275A JPS522722A JP S522722 A JPS522722 A JP S522722A JP 50079522 A JP50079522 A JP 50079522A JP 7952275 A JP7952275 A JP 7952275A JP S522722 A JPS522722 A JP S522722A
Authority
JP
Japan
Prior art keywords
speaker device
speaker
improve sound
converting efficiency
sound converting
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
JP50079522A
Other languages
Japanese (ja)
Inventor
Sadao Yukimoto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP50079522A priority Critical patent/JPS522722A/en
Publication of JPS522722A publication Critical patent/JPS522722A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/225—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only  for telephonic receivers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

PURPOSE:To improve sound converting efficiency of a speaker.
JP50079522A 1975-06-24 1975-06-24 Speaker device Pending JPS522722A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50079522A JPS522722A (en) 1975-06-24 1975-06-24 Speaker device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50079522A JPS522722A (en) 1975-06-24 1975-06-24 Speaker device

Publications (1)

Publication Number Publication Date
JPS522722A true JPS522722A (en) 1977-01-10

Family

ID=13692303

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50079522A Pending JPS522722A (en) 1975-06-24 1975-06-24 Speaker device

Country Status (1)

Country Link
JP (1) JPS522722A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0290893A (en) * 1988-09-28 1990-03-30 Matsushita Electric Ind Co Ltd speaker system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0290893A (en) * 1988-09-28 1990-03-30 Matsushita Electric Ind Co Ltd speaker system

Similar Documents

Publication Publication Date Title
JPS51121239A (en) An amplification circuit
FR2290119A1 (en) MICROPHONE STEREOPHONIC DEVICE
AU501396B2 (en) Seismic acoustic energy source
JPS522722A (en) Speaker device
JPS523424A (en) Non-combustible speaker vibration plate
JPS5238213A (en) Stereo microphone
JPS51113615A (en) Vibration chair for sound reproduction
JPS5219905A (en) Acousticon
JPS528817A (en) Speaker
JPS526522A (en) Electrostatic type transducer
JPS522427A (en) Oscillating plate for loud-speaker
JPS51117615A (en) Portable small-sized speaker
JPS51122427A (en) Electric acoustic transducer
JPS51122425A (en) Speaker system
JPS5216218A (en) Speaker spider
JPS5242113A (en) High sound speaker using plane oscillation plate
JPS51121238A (en) An audio-signal amplifying system
JPS5229724A (en) Speaker dome diaphragm
JPS51114119A (en) Omnidirectional speaker
JPS5223321A (en) Drum
JPS51113726A (en) Loud speaker
JPS522426A (en) Small-size microphone
JPS51150204A (en) Sound combining device
JPS523394A (en) Piezo-vibrator
JPS526521A (en) Speaker