DE3174066D1 - Positively controlled sound generator - Google Patents

Positively controlled sound generator

Info

Publication number
DE3174066D1
DE3174066D1 DE8181902814T DE3174066T DE3174066D1 DE 3174066 D1 DE3174066 D1 DE 3174066D1 DE 8181902814 T DE8181902814 T DE 8181902814T DE 3174066 T DE3174066 T DE 3174066T DE 3174066 D1 DE3174066 D1 DE 3174066D1
Authority
DE
Germany
Prior art keywords
sound generator
positively controlled
controlled sound
positively
generator
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
DE8181902814T
Other languages
German (de)
Inventor
Per Borje Fransman
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.)
EKSTROMS VARMETEKNISKA AB
Original Assignee
EKSTROMS VARMETEKNISKA AB
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 SE8007150A external-priority patent/SE425597B/en
Application filed by EKSTROMS VARMETEKNISKA AB filed Critical EKSTROMS VARMETEKNISKA AB
Application granted granted Critical
Publication of DE3174066D1 publication Critical patent/DE3174066D1/en
Expired legal-status Critical Current

Links

DE8181902814T 1980-10-13 1981-10-13 Positively controlled sound generator Expired DE3174066D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8007150A SE425597B (en) 1980-10-13 1980-10-13 FORCED CONTROL SOUND STRUCTORS FOR THE INFRALUE AREA
PCT/SE1981/000296 WO1982001328A1 (en) 1980-10-13 1981-10-13 Positively controlled sound generator

Publications (1)

Publication Number Publication Date
DE3174066D1 true DE3174066D1 (en) 1986-04-17

Family

ID=26657699

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181902814T Expired DE3174066D1 (en) 1980-10-13 1981-10-13 Positively controlled sound generator

Country Status (1)

Country Link
DE (1) DE3174066D1 (en)

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee