JPS51144609A - Air pressure controlling electricity- sound transducer - Google Patents

Air pressure controlling electricity- sound transducer

Info

Publication number
JPS51144609A
JPS51144609A JP6881375A JP6881375A JPS51144609A JP S51144609 A JPS51144609 A JP S51144609A JP 6881375 A JP6881375 A JP 6881375A JP 6881375 A JP6881375 A JP 6881375A JP S51144609 A JPS51144609 A JP S51144609A
Authority
JP
Japan
Prior art keywords
air pressure
sound transducer
pressure controlling
controlling electricity
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.)
Pending
Application number
JP6881375A
Other languages
English (en)
Inventor
Hiroshi Taki
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP6881375A priority Critical patent/JPS51144609A/ja
Publication of JPS51144609A publication Critical patent/JPS51144609A/ja
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 

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP6881375A 1975-06-07 1975-06-07 Air pressure controlling electricity- sound transducer Pending JPS51144609A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6881375A JPS51144609A (en) 1975-06-07 1975-06-07 Air pressure controlling electricity- sound transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6881375A JPS51144609A (en) 1975-06-07 1975-06-07 Air pressure controlling electricity- sound transducer

Publications (1)

Publication Number Publication Date
JPS51144609A true JPS51144609A (en) 1976-12-11

Family

ID=13384521

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6881375A Pending JPS51144609A (en) 1975-06-07 1975-06-07 Air pressure controlling electricity- sound transducer

Country Status (1)

Country Link
JP (1) JPS51144609A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59221099A (ja) * 1983-05-28 1984-12-12 Katsuyuki Sakurai スピ−カ・システム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59221099A (ja) * 1983-05-28 1984-12-12 Katsuyuki Sakurai スピ−カ・システム

Similar Documents

Publication Publication Date Title
JPS51146670A (en) Exhaust brake controlling device
JPS52147002A (en) Voice input system
JPS5233517A (en) Multi-way loudspeaker system
JPS51144609A (en) Air pressure controlling electricity- sound transducer
JPS5337351A (en) Adjuster such as sound volume and sound tone for audio equipment
JPS5219905A (en) Acousticon
JPS5229725A (en) Acoustic equipment diaphragm
JPS51121238A (en) An audio-signal amplifying system
JPS5238213A (en) Stereo microphone
JPS51114119A (en) Omnidirectional speaker
JPS51122425A (en) Speaker system
JPS5229724A (en) Speaker dome diaphragm
JPS5211002A (en) Headphone system
JPS52123601A (en) Headphone device
JPS5244957A (en) Industrial robbot
JPS5223321A (en) Drum
JPS5323620A (en) Speak er device
JPS51149634A (en) Negative pressure actuator
AU489549B2 (en) Electromechanical amplifier sound transducer with combined power source
JPS5225989A (en) Remote controller
JPS56799B2 (ja)
JPS5393817A (en) Acoustic diaphragm
JPS5274203A (en) Hearing aid
JPS5359247A (en) Air conditioner
JPS5287001A (en) Monophonic reproduction and listening device