CA987749A - Amplifying circuit for use with a transducer - Google Patents

Amplifying circuit for use with a transducer

Info

Publication number
CA987749A
CA987749A CA164,826A CA164826A CA987749A CA 987749 A CA987749 A CA 987749A CA 164826 A CA164826 A CA 164826A CA 987749 A CA987749 A CA 987749A
Authority
CA
Canada
Prior art keywords
transducer
amplifying circuit
amplifying
circuit
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
CA164,826A
Other languages
English (en)
Other versions
CA164826S (en
Inventor
Makoto Ishikawa
Takeshi Matsudaira
Osamu Kono
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA987749A publication Critical patent/CA987749A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
    • H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
    • H03F3/185—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices
    • H03F3/1855—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices with junction-FET devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
CA164,826A 1972-03-02 1973-02-28 Amplifying circuit for use with a transducer Expired CA987749A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP47021876A JPS4890447A (it) 1972-03-02 1972-03-02
JP8156972A JPS5612049B2 (it) 1972-03-02 1972-08-15
US336819A US3862367A (en) 1972-03-02 1973-02-28 Amplifying circuit for use with a transducer
US05/513,756 US3993869A (en) 1972-03-02 1974-10-10 Amplifying circuit for use with a high impedance source transducer

Publications (1)

Publication Number Publication Date
CA987749A true CA987749A (en) 1976-04-20

Family

ID=27457654

Family Applications (1)

Application Number Title Priority Date Filing Date
CA164,826A Expired CA987749A (en) 1972-03-02 1973-02-28 Amplifying circuit for use with a transducer

Country Status (7)

Country Link
US (2) US3862367A (it)
JP (2) JPS4890447A (it)
CA (1) CA987749A (it)
DE (1) DE2310266C2 (it)
FR (1) FR2174287B1 (it)
GB (1) GB1411197A (it)
NL (1) NL7302950A (it)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4966057A (it) * 1972-10-27 1974-06-26
JPS5541049B2 (it) * 1973-09-28 1980-10-22
JPS5139561Y2 (it) * 1973-11-15 1976-09-28
US4015214A (en) * 1974-04-09 1977-03-29 Nippon Gakki Seizo Kabushiki Kaisha Push-pull amplifier
JPS5516412Y2 (it) * 1974-05-23 1980-04-17
JPS51251A (it) * 1974-06-19 1976-01-05 Tokyo Shibaura Electric Co
JPS5150550A (en) * 1974-10-29 1976-05-04 Tokyo Shibaura Electric Co Fet zofukukairo
JPS5162740U (it) * 1974-11-12 1976-05-18
JPS5821853B2 (ja) * 1975-03-20 1983-05-04 株式会社日立製作所 プツシユプルゾウフクカイロ
JPS51129048U (it) * 1975-04-03 1976-10-18
JPS525204A (en) * 1975-07-01 1977-01-14 Seiko Epson Corp Hearing aid
JPS53152545U (it) * 1977-05-07 1978-12-01
US4192016A (en) * 1978-10-20 1980-03-04 Harris Semiconductor CMOS-bipolar EAROM
US4253033A (en) * 1979-04-27 1981-02-24 National Semiconductor Corporation Wide bandwidth CMOS class A amplifier
DE2942641A1 (de) * 1979-10-22 1981-04-30 Deutsche Itt Industries Gmbh, 7800 Freiburg Telefon-sprechkapsel-innenschaltung als kohlemikrophonersatz
US4345502A (en) * 1979-12-26 1982-08-24 Cbs Inc. Musical instrument performance amplifier
JPS56145375A (en) * 1980-04-15 1981-11-12 Koden Electronics Co Ltd Spiral crt display
JPS5873717U (ja) * 1981-11-10 1983-05-18 株式会社　山形グラビヤ ホツトメルト開閉部を備えた容器類
US4473794A (en) * 1982-04-21 1984-09-25 At&T Bell Laboratories Current repeater
JPS58168414U (ja) * 1982-05-01 1983-11-10 株式会社山形グラビヤ 袋体開閉部の糊付け装置
JPS59106851U (ja) * 1982-12-30 1984-07-18 玉村医療株式会社 薬袋
US4509193A (en) * 1983-07-11 1985-04-02 Industrial Research Products, Inc. Miniature acoustical transducer with filter/regulator power supply circuit
JPS6222955U (it) * 1985-07-24 1987-02-12
GB2241621B (en) * 1990-02-23 1994-11-02 Alan Geoffrey Pateman A new method of amplification
US5097224A (en) * 1991-04-11 1992-03-17 Telex Communications, Inc. Self-biasing, low noise amplifier of extended dynamic range
US5589799A (en) * 1994-09-29 1996-12-31 Tibbetts Industries, Inc. Low noise amplifier for microphone
US5978491A (en) * 1996-11-21 1999-11-02 Vxi Corporation Circuitry for improving performance of electret microphone
DE10244450A1 (de) * 2002-09-24 2004-04-01 Infineon Technologies Ag Verfahren und Schaltungsanordnung zur Demodulation eines digitalen amplitudenmodulierten Funksignals
SE535440C2 (sv) 2010-12-28 2012-08-07 Res Electronics Leksand Ab Förfarande och anordning för formning av en elektrisk signal representerande ett ljud
GB2541703B (en) * 2015-08-27 2019-08-07 Red Lion 49 Ltd Attenuating an input signal

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2782267A (en) * 1953-10-08 1957-02-19 North American Aviation Inc Push-pull transistor amplifier
US2994834A (en) * 1956-02-29 1961-08-01 Baldwin Piano Co Transistor amplifiers
US2878380A (en) * 1956-11-30 1959-03-17 Rca Corp Push-pull signal amplifier
US3300585A (en) * 1963-09-04 1967-01-24 Northern Electric Co Self-polarized electrostatic microphone-semiconductor amplifier combination
US3381234A (en) * 1964-12-17 1968-04-30 Atomic Energy Commission Usa Push-pull emitter follower circuit
US3392341A (en) * 1965-09-10 1968-07-09 Rca Corp Self-biased field effect transistor amplifier
US3378783A (en) * 1965-12-13 1968-04-16 Rca Corp Optimized digital amplifier utilizing insulated-gate field-effect transistors

Also Published As

Publication number Publication date
JPS4890447A (it) 1973-11-26
FR2174287A1 (it) 1973-10-12
FR2174287B1 (it) 1976-11-05
JPS4939351A (it) 1974-04-12
USB513756I5 (it) 1976-02-03
DE2310266A1 (de) 1973-09-06
DE2310266C2 (de) 1982-06-09
US3993869A (en) 1976-11-23
JPS5612049B2 (it) 1981-03-18
NL7302950A (it) 1973-09-04
GB1411197A (en) 1975-10-22
US3862367A (en) 1975-01-21

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