JPS4883707A - - Google Patents

Info

Publication number
JPS4883707A
JPS4883707A JP48008299A JP829973A JPS4883707A JP S4883707 A JPS4883707 A JP S4883707A JP 48008299 A JP48008299 A JP 48008299A JP 829973 A JP829973 A JP 829973A JP S4883707 A JPS4883707 A JP S4883707A
Authority
JP
Japan
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
JP48008299A
Other languages
Japanese (ja)
Other versions
JPS5230201B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
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
Publication of JPS4883707A publication Critical patent/JPS4883707A/ja
Publication of JPS5230201B2 publication Critical patent/JPS5230201B2/ja
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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6008—Substation equipment, e.g. for use by subscribers including speech amplifiers in the transmitter circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
JP48008299A 1972-01-20 1973-01-20 Expired JPS5230201B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21946672A 1972-01-20 1972-01-20

Publications (2)

Publication Number Publication Date
JPS4883707A true JPS4883707A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-11-08
JPS5230201B2 JPS5230201B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-08-06

Family

ID=22819375

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48008299A Expired JPS5230201B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-01-20 1973-01-20

Country Status (9)

Country Link
US (1) US3743956A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5230201B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE794023A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA979083A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2302575B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES411074A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2168549B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1387103A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT974461B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE560458A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1954-02-08
US2945133A (en) * 1955-11-14 1960-07-12 Honeywell Regulator Co Transistor circuit
US3100877A (en) * 1960-12-27 1963-08-13 Honeywell Regulator Co Transistor amplifier with constant input impedance
GB1124629A (en) * 1965-12-23 1968-08-21 Int Standard Electric Corp A transistorised subscriber's telephone circuit

Also Published As

Publication number Publication date
GB1387103A (en) 1975-03-12
DE2302575A1 (de) 1973-07-26
IT974461B (it) 1974-06-20
DE2302575B2 (de) 1976-04-08
US3743956A (en) 1973-07-03
CA979083A (en) 1975-12-02
BE794023A (fr) 1973-05-02
FR2168549B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-11-05
ES411074A1 (es) 1976-01-01
FR2168549A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-08-31
JPS5230201B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1977-08-06

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