JPS56162522A - Switching type signal compressor and signal expander - Google Patents

Switching type signal compressor and signal expander

Info

Publication number
JPS56162522A
JPS56162522A JP6538480A JP6538480A JPS56162522A JP S56162522 A JPS56162522 A JP S56162522A JP 6538480 A JP6538480 A JP 6538480A JP 6538480 A JP6538480 A JP 6538480A JP S56162522 A JPS56162522 A JP S56162522A
Authority
JP
Japan
Prior art keywords
reference voltage
capacitances
signal
voltage vref
capacitance
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.)
Pending
Application number
JP6538480A
Other languages
English (en)
Inventor
Yasuo Kominami
Tetsuo Sato
Yuichi Okubo
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6538480A priority Critical patent/JPS56162522A/ja
Priority to DE19813102945 priority patent/DE3102945A1/de
Priority to IT19957/81A priority patent/IT1135612B/it
Priority to GB8106985A priority patent/GB2076263B/en
Priority to US06/262,814 priority patent/US4412189A/en
Publication of JPS56162522A publication Critical patent/JPS56162522A/ja
Priority to SG626/84A priority patent/SG62684G/en
Priority to HK387/85A priority patent/HK38785A/xx
Priority to MY847/85A priority patent/MY8500847A/xx
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers

Landscapes

  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
JP6538480A 1980-05-19 1980-05-19 Switching type signal compressor and signal expander Pending JPS56162522A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP6538480A JPS56162522A (en) 1980-05-19 1980-05-19 Switching type signal compressor and signal expander
DE19813102945 DE3102945A1 (de) 1980-05-19 1981-01-29 Umschaltbarer signalkompressor/signaldehner
IT19957/81A IT1135612B (it) 1980-05-19 1981-02-24 Compressore di segnali/espansore di segnali commutabile
GB8106985A GB2076263B (en) 1980-05-19 1981-03-05 Switchable signal compressor/signal expander
US06/262,814 US4412189A (en) 1980-05-19 1981-05-12 Switchable signal compressor/signal expander
SG626/84A SG62684G (en) 1980-05-19 1984-09-01 Switchable signal compressor/signal expander
HK387/85A HK38785A (en) 1980-05-19 1985-05-16 Switchable signal compressor/signal expander
MY847/85A MY8500847A (en) 1980-05-19 1985-12-30 Switchable signal compressor/signal expander

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6538480A JPS56162522A (en) 1980-05-19 1980-05-19 Switching type signal compressor and signal expander

Publications (1)

Publication Number Publication Date
JPS56162522A true JPS56162522A (en) 1981-12-14

Family

ID=13285428

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6538480A Pending JPS56162522A (en) 1980-05-19 1980-05-19 Switching type signal compressor and signal expander

Country Status (1)

Country Link
JP (1) JPS56162522A (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58111512A (ja) * 1981-12-25 1983-07-02 Hitachi Ltd 整流回路
JPS58147218A (ja) * 1982-02-26 1983-09-02 Hitachi Ltd 雑音低減装置の結合入力増幅回路
JPS58147216A (ja) * 1982-02-26 1983-09-02 Hitachi Ltd 雑音低減装置
JPS62264733A (ja) * 1986-03-03 1987-11-17 レ−・ミルトン・ドルビ 音声信号ダイナミツクレンジ改変用過渡特性制御回路
US6677696B1 (en) 1997-12-30 2004-01-13 Epcos Ag Surface acoustic wave component on a monocrystal substrate which is also pyroelectric

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58111512A (ja) * 1981-12-25 1983-07-02 Hitachi Ltd 整流回路
JPS58147218A (ja) * 1982-02-26 1983-09-02 Hitachi Ltd 雑音低減装置の結合入力増幅回路
JPS58147216A (ja) * 1982-02-26 1983-09-02 Hitachi Ltd 雑音低減装置
JPS62264733A (ja) * 1986-03-03 1987-11-17 レ−・ミルトン・ドルビ 音声信号ダイナミツクレンジ改変用過渡特性制御回路
US6677696B1 (en) 1997-12-30 2004-01-13 Epcos Ag Surface acoustic wave component on a monocrystal substrate which is also pyroelectric

Similar Documents

Publication Publication Date Title
JPS56162522A (en) Switching type signal compressor and signal expander
JPS568956A (en) Three-terminal electric power source circuit for telephone set
JPS6430430A (en) Power source circuit
JPS5735422A (en) Semiconductor circuit
JPS57107618A (en) Power amplifier
JPS56159716A (en) Direct-current electric power device
JPS647719A (en) Transmitting power control circuit
JPS5771725A (en) Electrical discharge machine
FR2377089A1 (fr) Dispositif engendrant une rampe de courant alternatif pour la verification du declenchement d'un disjoncteur
FI67634C (fi) Foerfarande och anordning foer daempande av kontaktstoerningar
DE10010924A1 (de) Elektronische Schnell-Start-Schaltung
JPS55127881A (en) Switching regulator circuit
KR790001901Y1 (ko) 절전용 스위치 회로
JPS56111919A (en) Constant voltage circuit
JPS5735390A (en) Gas laser device
JPS56132019A (en) High-voltage pulse circuit
JPS5526709A (en) Amplifier circuit
JPS5737965A (en) Two-terminal circuit
JPS5583463A (en) Power supply
JPS57171837A (en) Mos switching circuit
JPS57188134A (en) Ac two-wire type contactless switch
JPS56140269A (en) Detecting device for instantaneous interruption
JPS57174995A (en) Direct current monitoring circuit
JPS56141655A (en) Call current supply circuit
JPS57124957A (en) Overvoltage detecting circuit