ES90770A1 - Improvement in the loudspeaker receivers of telephony with or without wires. - Google Patents

Improvement in the loudspeaker receivers of telephony with or without wires.

Info

Publication number
ES90770A1
ES90770A1 ES90770A ES90770A ES90770A1 ES 90770 A1 ES90770 A1 ES 90770A1 ES 90770 A ES90770 A ES 90770A ES 90770 A ES90770 A ES 90770A ES 90770 A1 ES90770 A1 ES 90770A1
Authority
ES
Spain
Prior art keywords
telephony
loudspeaker
receivers
wires
improvement
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
ES90770A
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 ES90770A priority Critical patent/ES90770A1/en
Publication of ES90770A1 publication Critical patent/ES90770A1/en
Expired legal-status Critical Current

Links

ES90770A 1924-09-12 1924-09-12 Improvement in the loudspeaker receivers of telephony with or without wires. Expired ES90770A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES90770A ES90770A1 (en) 1924-09-12 1924-09-12 Improvement in the loudspeaker receivers of telephony with or without wires.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES90770A ES90770A1 (en) 1924-09-12 1924-09-12 Improvement in the loudspeaker receivers of telephony with or without wires.

Publications (1)

Publication Number Publication Date
ES90770A1 true ES90770A1 (en) 1924-11-01

Family

ID=64254767

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90770A Expired ES90770A1 (en) 1924-09-12 1924-09-12 Improvement in the loudspeaker receivers of telephony with or without wires.

Country Status (1)

Country Link
ES (1) ES90770A1 (en)

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