JPS6324714Y2 - - Google Patents

Info

Publication number
JPS6324714Y2
JPS6324714Y2 JP15321581U JP15321581U JPS6324714Y2 JP S6324714 Y2 JPS6324714 Y2 JP S6324714Y2 JP 15321581 U JP15321581 U JP 15321581U JP 15321581 U JP15321581 U JP 15321581U JP S6324714 Y2 JPS6324714 Y2 JP S6324714Y2
Authority
JP
Japan
Prior art keywords
circuit
frequency
low
tone control
speaker
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
Application number
JP15321581U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5857110U (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 JP15321581U priority Critical patent/JPS5857110U/ja
Publication of JPS5857110U publication Critical patent/JPS5857110U/ja
Application granted granted Critical
Publication of JPS6324714Y2 publication Critical patent/JPS6324714Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)
JP15321581U 1981-10-14 1981-10-14 低域特性改善回路 Granted JPS5857110U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15321581U JPS5857110U (ja) 1981-10-14 1981-10-14 低域特性改善回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15321581U JPS5857110U (ja) 1981-10-14 1981-10-14 低域特性改善回路

Publications (2)

Publication Number Publication Date
JPS5857110U JPS5857110U (ja) 1983-04-18
JPS6324714Y2 true JPS6324714Y2 (ko) 1988-07-06

Family

ID=29945839

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15321581U Granted JPS5857110U (ja) 1981-10-14 1981-10-14 低域特性改善回路

Country Status (1)

Country Link
JP (1) JPS5857110U (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2527722Y2 (ja) * 1987-06-03 1997-03-05 カシオ計算機株式会社 音響発生装置

Also Published As

Publication number Publication date
JPS5857110U (ja) 1983-04-18

Similar Documents

Publication Publication Date Title
US3920931A (en) Hearing aid amplifiers employing selective gain control circuits
US4622440A (en) Differential hearing aid with programmable frequency response
US4490585A (en) Hearing aid
US3571514A (en) Hearing aid tone control
JP3334101B2 (ja) 拡声器
US4327331A (en) Audio amplifier device
JPS6324714Y2 (ko)
US20060147060A1 (en) Multifunction preamplifier microphone
JP2946884B2 (ja) 低音域特性補正回路
JPH04137903A (ja) 音声信号増幅回路
JP2567660B2 (ja) 骨伝導音声信号用ピツクアツプマイクロホン回路
JPH05347661A (ja) 電話装置
JP2500288Y2 (ja) Amラジオ受信機
JPS5863289A (ja) 抵域特性改善回路
JPH0611632Y2 (ja) 自動ラウドネス制御回路
JPH0145192Y2 (ko)
JPS595919Y2 (ja) エコ−マイクロホン
JPH0646098Y2 (ja) オートラウドネス回路
JP2640552B2 (ja) 音声信号出力装置
JPH11243597A (ja) マイクロフォン切替システム
JP2522936B2 (ja) 自動ラウドネス制御回路
JPH0510407Y2 (ko)
JPH054336Y2 (ko)
JP2545776Y2 (ja) 低温ブースト回路
JPH054335Y2 (ko)