JP2509212Y2 - マイク付きヘッドホン装置 - Google Patents

マイク付きヘッドホン装置

Info

Publication number
JP2509212Y2
JP2509212Y2 JP1990030527U JP3052790U JP2509212Y2 JP 2509212 Y2 JP2509212 Y2 JP 2509212Y2 JP 1990030527 U JP1990030527 U JP 1990030527U JP 3052790 U JP3052790 U JP 3052790U JP 2509212 Y2 JP2509212 Y2 JP 2509212Y2
Authority
JP
Japan
Prior art keywords
microphone
recorder
headphone
amplifier
voice
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
JP1990030527U
Other languages
English (en)
Japanese (ja)
Other versions
JPH03122474U (enExample
Inventor
栄寿 城下
親幸 大竹
Original Assignee
城下工業 株式会社
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 城下工業 株式会社 filed Critical 城下工業 株式会社
Priority to JP1990030527U priority Critical patent/JP2509212Y2/ja
Publication of JPH03122474U publication Critical patent/JPH03122474U/ja
Application granted granted Critical
Publication of JP2509212Y2 publication Critical patent/JP2509212Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Electrically Operated Instructional Devices (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
JP1990030527U 1990-03-27 1990-03-27 マイク付きヘッドホン装置 Expired - Lifetime JP2509212Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990030527U JP2509212Y2 (ja) 1990-03-27 1990-03-27 マイク付きヘッドホン装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990030527U JP2509212Y2 (ja) 1990-03-27 1990-03-27 マイク付きヘッドホン装置

Publications (2)

Publication Number Publication Date
JPH03122474U JPH03122474U (enExample) 1991-12-13
JP2509212Y2 true JP2509212Y2 (ja) 1996-08-28

Family

ID=31533236

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990030527U Expired - Lifetime JP2509212Y2 (ja) 1990-03-27 1990-03-27 マイク付きヘッドホン装置

Country Status (1)

Country Link
JP (1) JP2509212Y2 (enExample)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS602709B2 (ja) * 1976-09-14 1985-01-23 富士通株式会社 ビルデイング・ブロツク構造をもつデータ処理システム
JPS57111199A (en) * 1980-12-26 1982-07-10 Olympus Optical Co Ltd Headphone device
JPS5911590U (ja) * 1982-07-15 1984-01-24 ヤマハ株式会社 音響機器

Also Published As

Publication number Publication date
JPH03122474U (enExample) 1991-12-13

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term