JPS5248310A - Equalizer for pneumatic braking forces in front and at the back of spe aker with oscillatory diaphragm - Google Patents

Equalizer for pneumatic braking forces in front and at the back of spe aker with oscillatory diaphragm

Info

Publication number
JPS5248310A
JPS5248310A JP50124604A JP12460475A JPS5248310A JP S5248310 A JPS5248310 A JP S5248310A JP 50124604 A JP50124604 A JP 50124604A JP 12460475 A JP12460475 A JP 12460475A JP S5248310 A JPS5248310 A JP S5248310A
Authority
JP
Japan
Prior art keywords
equalizer
braking forces
diaphragm
pneumatic braking
oscillatory
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.)
Granted
Application number
JP50124604A
Other languages
English (en)
Japanese (ja)
Other versions
JPS547573B2 (enrdf_load_html_response
Inventor
Naota Iwata
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 JP50124604A priority Critical patent/JPS5248310A/ja
Publication of JPS5248310A publication Critical patent/JPS5248310A/ja
Publication of JPS547573B2 publication Critical patent/JPS547573B2/ja
Granted 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
    • 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 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/34—Directing or guiding sound by means of a phase plug

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)
JP50124604A 1975-10-15 1975-10-15 Equalizer for pneumatic braking forces in front and at the back of spe aker with oscillatory diaphragm Granted JPS5248310A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50124604A JPS5248310A (en) 1975-10-15 1975-10-15 Equalizer for pneumatic braking forces in front and at the back of spe aker with oscillatory diaphragm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50124604A JPS5248310A (en) 1975-10-15 1975-10-15 Equalizer for pneumatic braking forces in front and at the back of spe aker with oscillatory diaphragm

Publications (2)

Publication Number Publication Date
JPS5248310A true JPS5248310A (en) 1977-04-18
JPS547573B2 JPS547573B2 (enrdf_load_html_response) 1979-04-07

Family

ID=14889539

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50124604A Granted JPS5248310A (en) 1975-10-15 1975-10-15 Equalizer for pneumatic braking forces in front and at the back of spe aker with oscillatory diaphragm

Country Status (1)

Country Link
JP (1) JPS5248310A (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5117462A (en) * 1991-03-20 1992-05-26 Jbl Incorporated Phasing plug for compression driver
JP2008193416A (ja) * 2007-02-05 2008-08-21 Sony Corp スピーカユニット及びスピーカ装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5117462A (en) * 1991-03-20 1992-05-26 Jbl Incorporated Phasing plug for compression driver
JP2008193416A (ja) * 2007-02-05 2008-08-21 Sony Corp スピーカユニット及びスピーカ装置

Also Published As

Publication number Publication date
JPS547573B2 (enrdf_load_html_response) 1979-04-07

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