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ES84052A1 - Improvements in microphones for telephony, radiotelegraphy and for clinical applications. - Google Patents

Improvements in microphones for telephony, radiotelegraphy and for clinical applications.

Info

Publication number
ES84052A1
ES84052A1 ES84052A ES84052A ES84052A1 ES 84052 A1 ES84052 A1 ES 84052A1 ES 84052 A ES84052 A ES 84052A ES 84052 A ES84052 A ES 84052A ES 84052 A1 ES84052 A1 ES 84052A1
Authority
ES
Spain
Prior art keywords
radiotelegraphy
telephony
microphones
clinical applications
clinical
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
ES84052A
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 ES84052A priority Critical patent/ES84052A1/en
Publication of ES84052A1 publication Critical patent/ES84052A1/en
Expired legal-status Critical Current

Links

ES84052A 1923-01-08 1923-01-08 Improvements in microphones for telephony, radiotelegraphy and for clinical applications. Expired ES84052A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES84052A ES84052A1 (en) 1923-01-08 1923-01-08 Improvements in microphones for telephony, radiotelegraphy and for clinical applications.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES84052A ES84052A1 (en) 1923-01-08 1923-01-08 Improvements in microphones for telephony, radiotelegraphy and for clinical applications.

Publications (1)

Publication Number Publication Date
ES84052A1 true ES84052A1 (en) 1923-05-01

Family

ID=64250756

Family Applications (1)

Application Number Title Priority Date Filing Date
ES84052A Expired ES84052A1 (en) 1923-01-08 1923-01-08 Improvements in microphones for telephony, radiotelegraphy and for clinical applications.

Country Status (1)

Country Link
ES (1) ES84052A1 (en)

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