IT8249018A0 - IMPROVEMENT IN TELEPHONE SYSTEMS WITH LOUDSPEAKERS - Google Patents

IMPROVEMENT IN TELEPHONE SYSTEMS WITH LOUDSPEAKERS

Info

Publication number
IT8249018A0
IT8249018A0 IT8249018A IT4901882A IT8249018A0 IT 8249018 A0 IT8249018 A0 IT 8249018A0 IT 8249018 A IT8249018 A IT 8249018A IT 4901882 A IT4901882 A IT 4901882A IT 8249018 A0 IT8249018 A0 IT 8249018A0
Authority
IT
Italy
Prior art keywords
loudspeakers
improvement
telephone systems
telephone
systems
Prior art date
Application number
IT8249018A
Other languages
Italian (it)
Other versions
IT1154316B (en
Inventor
Alfred Magnus Hestad
Levi L Rose
Original Assignee
United Networks Inc
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 United Networks Inc filed Critical United Networks Inc
Priority to IT49018/82A priority Critical patent/IT1154316B/en
Publication of IT8249018A0 publication Critical patent/IT8249018A0/en
Application granted granted Critical
Publication of IT1154316B publication Critical patent/IT1154316B/en

Links

IT49018/82A 1982-08-23 1982-08-23 Hands-free type speaker telephone system IT1154316B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT49018/82A IT1154316B (en) 1982-08-23 1982-08-23 Hands-free type speaker telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT49018/82A IT1154316B (en) 1982-08-23 1982-08-23 Hands-free type speaker telephone system

Publications (2)

Publication Number Publication Date
IT8249018A0 true IT8249018A0 (en) 1982-08-23
IT1154316B IT1154316B (en) 1987-01-21

Family

ID=11269400

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49018/82A IT1154316B (en) 1982-08-23 1982-08-23 Hands-free type speaker telephone system

Country Status (1)

Country Link
IT (1) IT1154316B (en)

Also Published As

Publication number Publication date
IT1154316B (en) 1987-01-21

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