JPH0749909Y2 - 電話機用送受話装置 - Google Patents

電話機用送受話装置

Info

Publication number
JPH0749909Y2
JPH0749909Y2 JP1989032304U JP3230489U JPH0749909Y2 JP H0749909 Y2 JPH0749909 Y2 JP H0749909Y2 JP 1989032304 U JP1989032304 U JP 1989032304U JP 3230489 U JP3230489 U JP 3230489U JP H0749909 Y2 JPH0749909 Y2 JP H0749909Y2
Authority
JP
Japan
Prior art keywords
voice coil
diaphragm
magnetic circuit
lead
distance
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.)
Expired - Lifetime
Application number
JP1989032304U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02123199U (US07223432-20070529-C00017.png
Inventor
光高 榎本
周平 小西
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 JP1989032304U priority Critical patent/JPH0749909Y2/ja
Publication of JPH02123199U publication Critical patent/JPH02123199U/ja
Application granted granted Critical
Publication of JPH0749909Y2 publication Critical patent/JPH0749909Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
JP1989032304U 1989-03-22 1989-03-22 電話機用送受話装置 Expired - Lifetime JPH0749909Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989032304U JPH0749909Y2 (ja) 1989-03-22 1989-03-22 電話機用送受話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989032304U JPH0749909Y2 (ja) 1989-03-22 1989-03-22 電話機用送受話装置

Publications (2)

Publication Number Publication Date
JPH02123199U JPH02123199U (US07223432-20070529-C00017.png) 1990-10-09
JPH0749909Y2 true JPH0749909Y2 (ja) 1995-11-13

Family

ID=31258718

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989032304U Expired - Lifetime JPH0749909Y2 (ja) 1989-03-22 1989-03-22 電話機用送受話装置

Country Status (1)

Country Link
JP (1) JPH0749909Y2 (US07223432-20070529-C00017.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007208592A (ja) 2006-02-01 2007-08-16 Sanyo Electric Co Ltd スピーカユニット

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58152093U (ja) * 1982-04-05 1983-10-12 セイコーインスツルメンツ株式会社 動電型スピ−カ

Also Published As

Publication number Publication date
JPH02123199U (US07223432-20070529-C00017.png) 1990-10-09

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term