AU256972B2 - Improvements in or relating to amplifying devices for use in telephone sets - Google Patents

Improvements in or relating to amplifying devices for use in telephone sets

Info

Publication number
AU256972B2
AU256972B2 AU7467/61A AU746761A AU256972B2 AU 256972 B2 AU256972 B2 AU 256972B2 AU 7467/61 A AU7467/61 A AU 7467/61A AU 746761 A AU746761 A AU 746761A AU 256972 B2 AU256972 B2 AU 256972B2
Authority
AU
Australia
Prior art keywords
relating
telephone sets
amplifying devices
amplifying
devices
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
AU7467/61A
Other versions
AU746761A (en
Inventor
Schalkwyk Jan
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of AU256972B2 publication Critical patent/AU256972B2/en
Publication of AU746761A publication Critical patent/AU746761A/en
Expired legal-status Critical Current

Links

AU7467/61A 1960-08-01 1961-07-31 Improvements in or relating to amplifying devices for use in telephone sets Expired AU256972B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLNL254.433 1960-08-01

Publications (2)

Publication Number Publication Date
AU256972B2 true AU256972B2 (en) 1963-05-02
AU746761A AU746761A (en) 1963-05-02

Family

ID=

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