ES335149A1 - Perfeccionamientos en interfonos. - Google Patents

Perfeccionamientos en interfonos.

Info

Publication number
ES335149A1
ES335149A1 ES0335149A ES335149A ES335149A1 ES 335149 A1 ES335149 A1 ES 335149A1 ES 0335149 A ES0335149 A ES 0335149A ES 335149 A ES335149 A ES 335149A ES 335149 A1 ES335149 A1 ES 335149A1
Authority
ES
Spain
Prior art keywords
rectifier
microphone
translator
terminals
switch
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
ES0335149A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to ES0335149A priority Critical patent/ES335149A1/es
Publication of ES335149A1 publication Critical patent/ES335149A1/es
Expired legal-status Critical Current

Links

Landscapes

  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
ES0335149A 1966-12-31 1966-12-31 Perfeccionamientos en interfonos. Expired ES335149A1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES0335149A ES335149A1 (es) 1966-12-31 1966-12-31 Perfeccionamientos en interfonos.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES0335149A ES335149A1 (es) 1966-12-31 1966-12-31 Perfeccionamientos en interfonos.

Publications (1)

Publication Number Publication Date
ES335149A1 true ES335149A1 (es) 1967-11-16

Family

ID=59520585

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0335149A Expired ES335149A1 (es) 1966-12-31 1966-12-31 Perfeccionamientos en interfonos.

Country Status (1)

Country Link
ES (1) ES335149A1 (es)

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