JPH0477200U - - Google Patents

Info

Publication number
JPH0477200U
JPH0477200U JP12032490U JP12032490U JPH0477200U JP H0477200 U JPH0477200 U JP H0477200U JP 12032490 U JP12032490 U JP 12032490U JP 12032490 U JP12032490 U JP 12032490U JP H0477200 U JPH0477200 U JP H0477200U
Authority
JP
Japan
Prior art keywords
reflector
revolution
reflective layer
layer made
paraboloid
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
JP12032490U
Other languages
English (en)
Japanese (ja)
Other versions
JPH087440Y2 (ja
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 filed Critical
Priority to JP1990120324U priority Critical patent/JPH087440Y2/ja
Publication of JPH0477200U publication Critical patent/JPH0477200U/ja
Application granted granted Critical
Publication of JPH087440Y2 publication Critical patent/JPH087440Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
JP1990120324U 1990-11-19 1990-11-19 音響装置 Expired - Lifetime JPH087440Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990120324U JPH087440Y2 (ja) 1990-11-19 1990-11-19 音響装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990120324U JPH087440Y2 (ja) 1990-11-19 1990-11-19 音響装置

Publications (2)

Publication Number Publication Date
JPH0477200U true JPH0477200U (enrdf_load_stackoverflow) 1992-07-06
JPH087440Y2 JPH087440Y2 (ja) 1996-03-04

Family

ID=31868235

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990120324U Expired - Lifetime JPH087440Y2 (ja) 1990-11-19 1990-11-19 音響装置

Country Status (1)

Country Link
JP (1) JPH087440Y2 (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55159683U (enrdf_load_stackoverflow) * 1979-05-07 1980-11-17
JPS57162700U (enrdf_load_stackoverflow) * 1981-04-06 1982-10-13

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55159683U (enrdf_load_stackoverflow) * 1979-05-07 1980-11-17
JPS57162700U (enrdf_load_stackoverflow) * 1981-04-06 1982-10-13

Also Published As

Publication number Publication date
JPH087440Y2 (ja) 1996-03-04

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