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ES175300A1 - `IMPROVEMENTS IN OR RELATED TO COMBINED RADIOTRANSMITOR AND SPEAKER INSTALLATIONS - Google Patents

`IMPROVEMENTS IN OR RELATED TO COMBINED RADIOTRANSMITOR AND SPEAKER INSTALLATIONS

Info

Publication number
ES175300A1
ES175300A1 ES175300A ES175300A ES175300A1 ES 175300 A1 ES175300 A1 ES 175300A1 ES 175300 A ES175300 A ES 175300A ES 175300 A ES175300 A ES 175300A ES 175300 A1 ES175300 A1 ES 175300A1
Authority
ES
Spain
Prior art keywords
radiotransmitor
combined
speaker installations
installations
speaker
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES175300A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Standard Electrica SA
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 Alcatel Espana SA, Standard Electrica SA filed Critical Alcatel Espana SA
Publication of ES175300A1 publication Critical patent/ES175300A1/en
Expired legal-status Critical Current

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
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Transmitters (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
ES175300A 1944-02-21 1946-10-15 `IMPROVEMENTS IN OR RELATED TO COMBINED RADIOTRANSMITOR AND SPEAKER INSTALLATIONS Expired ES175300A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB316944A GB572783A (en) 1944-02-21 1944-02-21 Combined radio transmitter and loud speaker installation

Publications (1)

Publication Number Publication Date
ES175300A1 true ES175300A1 (en) 1946-11-16

Family

ID=9753224

Family Applications (1)

Application Number Title Priority Date Filing Date
ES175300A Expired ES175300A1 (en) 1944-02-21 1946-10-15 `IMPROVEMENTS IN OR RELATED TO COMBINED RADIOTRANSMITOR AND SPEAKER INSTALLATIONS

Country Status (3)

Country Link
BE (1) BE476384A (en)
ES (1) ES175300A1 (en)
GB (1) GB572783A (en)

Also Published As

Publication number Publication date
GB572783A (en) 1945-10-23
BE476384A (en)

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