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ES234803A1 - Silence device to eliminate the disturbance originated on the speaker of a main apparatus by handling the call switch (Machine-translation by Google Translate, not legally binding) - Google Patents

Silence device to eliminate the disturbance originated on the speaker of a main apparatus by handling the call switch (Machine-translation by Google Translate, not legally binding)

Info

Publication number
ES234803A1
ES234803A1 ES0234803A ES234803A ES234803A1 ES 234803 A1 ES234803 A1 ES 234803A1 ES 0234803 A ES0234803 A ES 0234803A ES 234803 A ES234803 A ES 234803A ES 234803 A1 ES234803 A1 ES 234803A1
Authority
ES
Spain
Prior art keywords
translation
machine
legally binding
google translate
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
ES0234803A
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.)
Ducati Elettrotecnica SpA
Original Assignee
Ducati Elettrotecnica SpA
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 Ducati Elettrotecnica SpA filed Critical Ducati Elettrotecnica SpA
Priority to ES0234803A priority Critical patent/ES234803A1/en
Publication of ES234803A1 publication Critical patent/ES234803A1/en
Expired legal-status Critical Current

Links

Landscapes

  • Circuit For Audible Band Transducer (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

Silencing device for eliminating the disturbance originated on the loudspeaker of a main device by the manipulation of the call switch, characterized in that, during the aforesaid manipulation, a suitable voltage is supplied to the grid of any part of the amplifier. Polarization so that the disturbance signal is amplified and consequently is not revealed by the loudspeaker. (Machine-translation by Google Translate, not legally binding)
ES0234803A 1957-04-11 1957-04-11 Silence device to eliminate the disturbance originated on the speaker of a main apparatus by handling the call switch (Machine-translation by Google Translate, not legally binding) Expired ES234803A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0234803A ES234803A1 (en) 1957-04-11 1957-04-11 Silence device to eliminate the disturbance originated on the speaker of a main apparatus by handling the call switch (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0234803A ES234803A1 (en) 1957-04-11 1957-04-11 Silence device to eliminate the disturbance originated on the speaker of a main apparatus by handling the call switch (Machine-translation by Google Translate, not legally binding)

Publications (1)

Publication Number Publication Date
ES234803A1 true ES234803A1 (en) 1957-12-16

Family

ID=34443759

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0234803A Expired ES234803A1 (en) 1957-04-11 1957-04-11 Silence device to eliminate the disturbance originated on the speaker of a main apparatus by handling the call switch (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES234803A1 (en)

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