JPH03122474U - - Google Patents

Info

Publication number
JPH03122474U
JPH03122474U JP3052790U JP3052790U JPH03122474U JP H03122474 U JPH03122474 U JP H03122474U JP 3052790 U JP3052790 U JP 3052790U JP 3052790 U JP3052790 U JP 3052790U JP H03122474 U JPH03122474 U JP H03122474U
Authority
JP
Japan
Prior art keywords
amplifier
microphone
recorder
headphone
connectable
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
JP3052790U
Other languages
English (en)
Japanese (ja)
Other versions
JP2509212Y2 (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 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 true JPH03122474U (enExample) 1991-12-13
JP2509212Y2 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)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5335448A (en) * 1976-09-14 1978-04-01 Fujitsu Ltd Data processing system having building block construction
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5335448A (en) * 1976-09-14 1978-04-01 Fujitsu Ltd Data processing system having building block construction
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
JP2509212Y2 (ja) 1996-08-28

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term