NO874509D0 - DEVICE FOR IMPROVEMENT OF SIDE TONE IMPROVEMENT UNLESS LOOP ENHANCEMENT BY TWO-WAY COMMUNICATION DEVICES. - Google Patents

DEVICE FOR IMPROVEMENT OF SIDE TONE IMPROVEMENT UNLESS LOOP ENHANCEMENT BY TWO-WAY COMMUNICATION DEVICES.

Info

Publication number
NO874509D0
NO874509D0 NO874509A NO874509A NO874509D0 NO 874509 D0 NO874509 D0 NO 874509D0 NO 874509 A NO874509 A NO 874509A NO 874509 A NO874509 A NO 874509A NO 874509 D0 NO874509 D0 NO 874509D0
Authority
NO
Norway
Prior art keywords
improvement
communication devices
way communication
side tone
enhancement
Prior art date
Application number
NO874509A
Other languages
Norwegian (no)
Other versions
NO874509L (en
Inventor
Klaus Genuit
Original Assignee
Head Stereo Gmbh
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 PCT/EP1987/000121 external-priority patent/WO1987005456A1/en
Application filed by Head Stereo Gmbh filed Critical Head Stereo Gmbh
Publication of NO874509L publication Critical patent/NO874509L/en
Publication of NO874509D0 publication Critical patent/NO874509D0/en

Links

NO874509A 1986-03-03 1987-10-29 DEVICE FOR IMPROVEMENT OF SIDE TONE IMPROVEMENT UNLESS LOOP ENHANCEMENT BY TWO-WAY COMMUNICATION DEVICES. NO874509D0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3606844 1986-03-03
PCT/EP1987/000121 WO1987005456A1 (en) 1986-03-03 1987-02-28 Device for improving the side-tone attenuation or loop amplification in interphone systems

Publications (2)

Publication Number Publication Date
NO874509L NO874509L (en) 1987-10-29
NO874509D0 true NO874509D0 (en) 1987-10-29

Family

ID=25841527

Family Applications (1)

Application Number Title Priority Date Filing Date
NO874509A NO874509D0 (en) 1986-03-03 1987-10-29 DEVICE FOR IMPROVEMENT OF SIDE TONE IMPROVEMENT UNLESS LOOP ENHANCEMENT BY TWO-WAY COMMUNICATION DEVICES.

Country Status (2)

Country Link
BR (1) BR8706041A (en)
NO (1) NO874509D0 (en)

Also Published As

Publication number Publication date
NO874509L (en) 1987-10-29
BR8706041A (en) 1988-04-05

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