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ES16302A1 - An improved microphone that works over long distances with or without an induction coil. - Google Patents

An improved microphone that works over long distances with or without an induction coil.

Info

Publication number
ES16302A1
ES16302A1 ES16302A ES16302A ES16302A1 ES 16302 A1 ES16302 A1 ES 16302A1 ES 16302 A ES16302 A ES 16302A ES 16302 A ES16302 A ES 16302A ES 16302 A1 ES16302 A1 ES 16302A1
Authority
ES
Spain
Prior art keywords
induction coil
over long
long distances
works over
improved microphone
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
ES16302A
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.)
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 ES16302A priority Critical patent/ES16302A1/en
Publication of ES16302A1 publication Critical patent/ES16302A1/en
Expired legal-status Critical Current

Links

ES16302A 1894-09-17 1894-09-17 An improved microphone that works over long distances with or without an induction coil. Expired ES16302A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES16302A ES16302A1 (en) 1894-09-17 1894-09-17 An improved microphone that works over long distances with or without an induction coil.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES16302A ES16302A1 (en) 1894-09-17 1894-09-17 An improved microphone that works over long distances with or without an induction coil.

Publications (1)

Publication Number Publication Date
ES16302A1 true ES16302A1 (en) 1894-11-01

Family

ID=64112320

Family Applications (1)

Application Number Title Priority Date Filing Date
ES16302A Expired ES16302A1 (en) 1894-09-17 1894-09-17 An improved microphone that works over long distances with or without an induction coil.

Country Status (1)

Country Link
ES (1) ES16302A1 (en)

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