ES679A3 - Improvement of the "Hugues Microphone" system. - Google Patents

Improvement of the "Hugues Microphone" system.

Info

Publication number
ES679A3
ES679A3 ES679A ES679A ES679A3 ES 679 A3 ES679 A3 ES 679A3 ES 679 A ES679 A ES 679A ES 679 A ES679 A ES 679A ES 679 A3 ES679 A3 ES 679A3
Authority
ES
Spain
Prior art keywords
hugues
microphone
improvement
hugues 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
ES679A
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 ES679A priority Critical patent/ES679A3/en
Publication of ES679A3 publication Critical patent/ES679A3/en
Expired legal-status Critical Current

Links

ES679A 1879-12-05 1879-12-05 Improvement of the "Hugues Microphone" system. Expired ES679A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES679A ES679A3 (en) 1879-12-05 1879-12-05 Improvement of the "Hugues Microphone" system.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES679A ES679A3 (en) 1879-12-05 1879-12-05 Improvement of the "Hugues Microphone" system.

Publications (1)

Publication Number Publication Date
ES679A3 true ES679A3 (en) 1880-09-15

Family

ID=69498280

Family Applications (1)

Application Number Title Priority Date Filing Date
ES679A Expired ES679A3 (en) 1879-12-05 1879-12-05 Improvement of the "Hugues Microphone" system.

Country Status (1)

Country Link
ES (1) ES679A3 (en)

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