BE794023A - Amplificateur alimente par la ligne meme dans laquelle il debite - Google Patents

Amplificateur alimente par la ligne meme dans laquelle il debite

Info

Publication number
BE794023A
BE794023A BE794023DA BE794023A BE 794023 A BE794023 A BE 794023A BE 794023D A BE794023D A BE 794023DA BE 794023 A BE794023 A BE 794023A
Authority
BE
Belgium
Prior art keywords
debits
same line
amplifier supplied
amplifier
supplied
Prior art date
Application number
Other languages
English (en)
Inventor
P O Schuh
Original Assignee
Western Electric Co
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.)
Publication date
Publication of BE794023A publication Critical patent/BE794023A/fr

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)
BE794023D 1972-01-20 Amplificateur alimente par la ligne meme dans laquelle il debite BE794023A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BE794023A true BE794023A (fr) 1973-05-02

Family

ID=22819375

Family Applications (1)

Application Number Title Priority Date Filing Date
BE794023D BE794023A (fr) 1972-01-20 Amplificateur alimente par la ligne meme dans laquelle il debite

Country Status (9)

Country Link
US (1) US3743956A (fr)
JP (1) JPS5230201B2 (fr)
BE (1) BE794023A (fr)
CA (1) CA979083A (fr)
DE (1) DE2302575B2 (fr)
ES (1) ES411074A1 (fr)
FR (1) FR2168549B1 (fr)
GB (1) GB1387103A (fr)
IT (1) IT974461B (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE553926A (fr) * 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
FR2168549B1 (fr) 1976-11-05
ES411074A1 (es) 1976-01-01
DE2302575A1 (de) 1973-07-26
CA979083A (en) 1975-12-02
DE2302575B2 (de) 1976-04-08
JPS5230201B2 (fr) 1977-08-06
US3743956A (en) 1973-07-03
IT974461B (it) 1974-06-20
GB1387103A (en) 1975-03-12
FR2168549A1 (fr) 1973-08-31
JPS4883707A (fr) 1973-11-08

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WESTERN ELECTRIC CY INC.

Effective date: 19890131