ES108399A2 - An acoustic diffuser system with prismatic elements, specially applied to telephone loudspeakers with or without wires. - Google Patents

An acoustic diffuser system with prismatic elements, specially applied to telephone loudspeakers with or without wires.

Info

Publication number
ES108399A2
ES108399A2 ES108399A ES108399A ES108399A2 ES 108399 A2 ES108399 A2 ES 108399A2 ES 108399 A ES108399 A ES 108399A ES 108399 A ES108399 A ES 108399A ES 108399 A2 ES108399 A2 ES 108399A2
Authority
ES
Spain
Prior art keywords
loudspeakers
telephone
wires
prismatic elements
diffuser system
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
ES108399A
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 ES108399A priority Critical patent/ES108399A2/en
Publication of ES108399A2 publication Critical patent/ES108399A2/en
Expired legal-status Critical Current

Links

ES108399A 1928-07-05 1928-07-05 An acoustic diffuser system with prismatic elements, specially applied to telephone loudspeakers with or without wires. Expired ES108399A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES108399A ES108399A2 (en) 1928-07-05 1928-07-05 An acoustic diffuser system with prismatic elements, specially applied to telephone loudspeakers with or without wires.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES108399A ES108399A2 (en) 1928-07-05 1928-07-05 An acoustic diffuser system with prismatic elements, specially applied to telephone loudspeakers with or without wires.

Publications (1)

Publication Number Publication Date
ES108399A2 true ES108399A2 (en) 1928-09-01

Family

ID=69324149

Family Applications (1)

Application Number Title Priority Date Filing Date
ES108399A Expired ES108399A2 (en) 1928-07-05 1928-07-05 An acoustic diffuser system with prismatic elements, specially applied to telephone loudspeakers with or without wires.

Country Status (1)

Country Link
ES (1) ES108399A2 (en)

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