CH431623A - Electroacoustic transmission system - Google Patents

Electroacoustic transmission system

Info

Publication number
CH431623A
CH431623A CH419762A CH419762A CH431623A CH 431623 A CH431623 A CH 431623A CH 419762 A CH419762 A CH 419762A CH 419762 A CH419762 A CH 419762A CH 431623 A CH431623 A CH 431623A
Authority
CH
Switzerland
Prior art keywords
transmission system
electroacoustic transmission
electroacoustic
transmission
Prior art date
Application number
CH419762A
Other languages
German (de)
Inventor
Bayer Rudolf
Original Assignee
Standard Telephon & Telegraph
Nissl & 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.)
Filing date
Publication date
Priority claimed from AT674460A external-priority patent/AT221603B/en
Priority claimed from AT283161A external-priority patent/AT227789B/en
Application filed by Standard Telephon & Telegraph, Nissl & Co filed Critical Standard Telephon & Telegraph
Publication of CH431623A publication Critical patent/CH431623A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/04—Arrangements for interconnection not involving centralised switching involving a separate line for each pair of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
CH419762A 1960-09-02 1962-04-05 Electroacoustic transmission system CH431623A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT674460A AT221603B (en) 1960-09-02 1960-09-02 Circuit arrangement for a transmission system for sound events
AT283161A AT227789B (en) 1961-04-08 1961-04-08 Circuit arrangement for a transmission system for sound events

Publications (1)

Publication Number Publication Date
CH431623A true CH431623A (en) 1967-03-15

Family

ID=25599141

Family Applications (1)

Application Number Title Priority Date Filing Date
CH419762A CH431623A (en) 1960-09-02 1962-04-05 Electroacoustic transmission system

Country Status (2)

Country Link
CH (1) CH431623A (en)
GB (1) GB957457A (en)

Also Published As

Publication number Publication date
GB957457A (en) 1964-05-06

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