CH375045A - Elektroakustischer Wandler mit einem Transistorverstärker - Google Patents

Elektroakustischer Wandler mit einem Transistorverstärker

Info

Publication number
CH375045A
CH375045A CH8163659A CH8163659A CH375045A CH 375045 A CH375045 A CH 375045A CH 8163659 A CH8163659 A CH 8163659A CH 8163659 A CH8163659 A CH 8163659A CH 375045 A CH375045 A CH 375045A
Authority
CH
Switzerland
Prior art keywords
transistor amplifier
electroacoustic converter
electroacoustic
converter
amplifier
Prior art date
Application number
CH8163659A
Other languages
German (de)
English (en)
Inventor
Muche Alfred
Karau Georg
Original Assignee
Krone Kommanditgesellschaft Be
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 Krone Kommanditgesellschaft Be filed Critical Krone Kommanditgesellschaft Be
Publication of CH375045A publication Critical patent/CH375045A/de

Links

Classifications

    • 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
    • H04M1/6016—Substation equipment, e.g. for use by subscribers including speech amplifiers in the receiver circuit
    • 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)
  • Push-Button Switches (AREA)
CH8163659A 1959-01-05 1959-12-09 Elektroakustischer Wandler mit einem Transistorverstärker CH375045A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK0036642 1959-01-05

Publications (1)

Publication Number Publication Date
CH375045A true CH375045A (de) 1964-02-15

Family

ID=7220754

Family Applications (1)

Application Number Title Priority Date Filing Date
CH8163659A CH375045A (de) 1959-01-05 1959-12-09 Elektroakustischer Wandler mit einem Transistorverstärker

Country Status (3)

Country Link
CH (1) CH375045A (enrdf_load_stackoverflow)
DE (1) DE1075671B (enrdf_load_stackoverflow)
NL (1) NL246401A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1153425B (de) * 1960-08-31 1963-08-29 Siemens Ag Schaltungsanordnung zum Ausgleich der unterschiedlichen Daempfung verschieden langerFernmelde-leitungen

Also Published As

Publication number Publication date
NL246401A (enrdf_load_stackoverflow)
DE1075671B (de) 1960-02-18

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