ATE39317T1 - Mikrophon mit veraenderbarer oeffnung. - Google Patents

Mikrophon mit veraenderbarer oeffnung.

Info

Publication number
ATE39317T1
ATE39317T1 AT84901056T AT84901056T ATE39317T1 AT E39317 T1 ATE39317 T1 AT E39317T1 AT 84901056 T AT84901056 T AT 84901056T AT 84901056 T AT84901056 T AT 84901056T AT E39317 T1 ATE39317 T1 AT E39317T1
Authority
AT
Austria
Prior art keywords
adjustable aperture
aperture microphone
microphone
adjustable
aperture
Prior art date
Application number
AT84901056T
Other languages
English (en)
Inventor
Antoni Alberto Grigioni
Original Assignee
Antoni Alberto Grigioni
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
Priority claimed from CH146283A external-priority patent/CH646829A5/it
Application filed by Antoni Alberto Grigioni filed Critical Antoni Alberto Grigioni
Application granted granted Critical
Publication of ATE39317T1 publication Critical patent/ATE39317T1/de

Links

AT84901056T 1983-03-17 1984-03-19 Mikrophon mit veraenderbarer oeffnung. ATE39317T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH146283A CH646829A5 (it) 1983-03-17 1983-03-17 Apparecchio per la ricezione del suono a apertura variabile.
PCT/CH1984/000048 WO1984003812A1 (fr) 1983-03-17 1984-03-19 Microphone a ouverture variable
EP19840901056 EP0140901B1 (de) 1983-03-17 1984-03-19 Mikrophon mit veränderbarer öffnung

Publications (1)

Publication Number Publication Date
ATE39317T1 true ATE39317T1 (de) 1988-12-15

Family

ID=27172993

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84901056T ATE39317T1 (de) 1983-03-17 1984-03-19 Mikrophon mit veraenderbarer oeffnung.

Country Status (1)

Country Link
AT (1) ATE39317T1 (de)

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties