CH408122A - Elektroakustische Übertragungsanlage - Google Patents

Elektroakustische Übertragungsanlage

Info

Publication number
CH408122A
CH408122A CH1000061A CH1000061A CH408122A CH 408122 A CH408122 A CH 408122A CH 1000061 A CH1000061 A CH 1000061A CH 1000061 A CH1000061 A CH 1000061A CH 408122 A CH408122 A CH 408122A
Authority
CH
Switzerland
Prior art keywords
transmission system
electroacoustic transmission
electroacoustic
transmission
Prior art date
Application number
CH1000061A
Other languages
English (en)
Inventor
Bayer Rudolf
Beszedics Geza
Original Assignee
Standard Telephon & Telegraphe
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
Application filed by Standard Telephon & Telegraphe, Nissl & Co filed Critical Standard Telephon & Telegraphe
Publication of CH408122A publication Critical patent/CH408122A/de

Links

Classifications

    • 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
    • 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
    • H04M9/001—Two-way communication systems between a limited number of parties
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Mobile Radio Communication Systems (AREA)
CH1000061A 1960-09-02 1961-08-28 Elektroakustische Übertragungsanlage CH408122A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT674460A AT221603B (de) 1960-09-02 1960-09-02 Schaltungsanordnung für ein Übertragungssystem von Schallereignissen

Publications (1)

Publication Number Publication Date
CH408122A true CH408122A (de) 1966-02-28

Family

ID=3589336

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1000061A CH408122A (de) 1960-09-02 1961-08-28 Elektroakustische Übertragungsanlage

Country Status (5)

Country Link
US (1) US3175045A (de)
AT (1) AT221603B (de)
BE (1) BE607760R (de)
CH (1) CH408122A (de)
GB (1) GB955569A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3283073A (en) * 1962-11-30 1966-11-01 Webster Electric Co Inc Intercommunication system and eavesdropping preventing means therefor
GB1382990A (en) * 1971-12-09 1975-02-05 Knox J H Intercommunication systems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2221652A (en) * 1936-10-14 1940-11-12 Siemens Ag Telephone system
US2186242A (en) * 1937-10-01 1940-01-09 Bell Telephone Labor Inc Telephone system
US2543986A (en) * 1948-07-09 1951-03-06 Prahm Louis Two-way communication system
US2852612A (en) * 1955-12-21 1958-09-16 Bell Telephone Labor Inc Multistation telephone intercommunicating and conference system
US2958730A (en) * 1959-06-19 1960-11-01 George H Myers Selective switching system

Also Published As

Publication number Publication date
US3175045A (en) 1965-03-23
GB955569A (en) 1964-04-15
BE607760R (fr) 1962-03-01
AT221603B (de) 1962-06-12

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