JPS57109494A - Ribbon type loudspeaker - Google Patents

Ribbon type loudspeaker

Info

Publication number
JPS57109494A
JPS57109494A JP18403280A JP18403280A JPS57109494A JP S57109494 A JPS57109494 A JP S57109494A JP 18403280 A JP18403280 A JP 18403280A JP 18403280 A JP18403280 A JP 18403280A JP S57109494 A JPS57109494 A JP S57109494A
Authority
JP
Japan
Prior art keywords
equalizer
point
diaphragm
throat
denotes
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
JP18403280A
Other languages
Japanese (ja)
Other versions
JPS5854720B2 (en
Inventor
Jiro Nakazono
Takashi Ooyaba
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.)
Pioneer Corp
Original Assignee
Pioneer Corp
Pioneer Electronic Corp
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 Pioneer Corp, Pioneer Electronic Corp filed Critical Pioneer Corp
Priority to JP18403280A priority Critical patent/JPS5854720B2/en
Publication of JPS57109494A publication Critical patent/JPS57109494A/en
Publication of JPS5854720B2 publication Critical patent/JPS5854720B2/en
Expired 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane
    • H04R9/048—Construction in which the windings of the moving coil lay in the same plane of the ribbon type

Landscapes

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

Abstract

PURPOSE:To extend a high band threshold frequency characteristic up to a high frequency without decreasing an area of a diaphragm, by providing an equalizer having a specific shape, on a throat part of the front of the diaphragm. CONSTITUTION:In this execution example, an euqalizer 4 is formed like a sectional triangule which is parallel and also at the shortest distance to said diaphragm 2, and has the base of length (t) and other 2 oblique sides of length (l). (h) denotes height of said equalizer 4 having a sectional triangle, and (a) denotes a point of the lower part of said equalizer 4 positioned at the longest distance from a throat 3A, that is to say, a point of the lower part of a middle point M1 of the equalizer 4. (b) denotes a point where acoustic resistance is minimum, that is to sat, a point of the lower part of a middle point M2 of said throat 3A. When a high band reproducing threshold frequency in case when there is no equalizer, and said frequency in case when there is an equalizer air denoted as fc1 and fc2, respectively, the expressions of fc1 c/(B-S), fc2 c/ {2(l-h)+t} are formed, and when relation of 2(l-h)+t<B-S is established, a result of fc2>fc1 is obtained.
JP18403280A 1980-12-26 1980-12-26 ribbon type speaker Expired JPS5854720B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18403280A JPS5854720B2 (en) 1980-12-26 1980-12-26 ribbon type speaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18403280A JPS5854720B2 (en) 1980-12-26 1980-12-26 ribbon type speaker

Publications (2)

Publication Number Publication Date
JPS57109494A true JPS57109494A (en) 1982-07-07
JPS5854720B2 JPS5854720B2 (en) 1983-12-06

Family

ID=16146157

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18403280A Expired JPS5854720B2 (en) 1980-12-26 1980-12-26 ribbon type speaker

Country Status (1)

Country Link
JP (1) JPS5854720B2 (en)

Also Published As

Publication number Publication date
JPS5854720B2 (en) 1983-12-06

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