CH262322A - Tonfrequenzverstärker für Stahltongeräte mit Hochfrequenzlöschung. - Google Patents

Tonfrequenzverstärker für Stahltongeräte mit Hochfrequenzlöschung.

Info

Publication number
CH262322A
CH262322A CH262322DA CH262322A CH 262322 A CH262322 A CH 262322A CH 262322D A CH262322D A CH 262322DA CH 262322 A CH262322 A CH 262322A
Authority
CH
Switzerland
Prior art keywords
sep
amplifier
high frequency
sound
audio frequency
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Aktiengesellschaft Autophon
Original Assignee
Autophon Ag
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 Autophon Ag filed Critical Autophon Ag
Publication of CH262322A publication Critical patent/CH262322A/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • H04M1/65—Recording arrangements for recording a message from the calling party
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/024—Erasing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/03—Biasing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
CH262322D 1947-02-01 1947-02-01 Tonfrequenzverstärker für Stahltongeräte mit Hochfrequenzlöschung. CH262322A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH262322T 1947-02-01

Publications (1)

Publication Number Publication Date
CH262322A true CH262322A (de) 1949-06-30

Family

ID=4474309

Family Applications (1)

Application Number Title Priority Date Filing Date
CH262322D CH262322A (de) 1947-02-01 1947-02-01 Tonfrequenzverstärker für Stahltongeräte mit Hochfrequenzlöschung.

Country Status (2)

Country Link
BE (1) BE479771A (sv)
CH (1) CH262322A (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1057792B (de) * 1953-12-28 1959-05-21 Protona Produktionsgesellschaf Schaltungsanordnung fuer Magnettongeraete fuer Aufnahme und Wiedergabe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1057792B (de) * 1953-12-28 1959-05-21 Protona Produktionsgesellschaf Schaltungsanordnung fuer Magnettongeraete fuer Aufnahme und Wiedergabe

Also Published As

Publication number Publication date
BE479771A (sv)

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