AU4322985A - Telephone subscriber instrument - Google Patents

Telephone subscriber instrument

Info

Publication number
AU4322985A
AU4322985A AU43229/85A AU4322985A AU4322985A AU 4322985 A AU4322985 A AU 4322985A AU 43229/85 A AU43229/85 A AU 43229/85A AU 4322985 A AU4322985 A AU 4322985A AU 4322985 A AU4322985 A AU 4322985A
Authority
AU
Australia
Prior art keywords
telephone subscriber
subscriber instrument
instrument
telephone
subscriber
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.)
Abandoned
Application number
AU43229/85A
Inventor
Kenneth Alexander Manson Arton
Peter Fred Blomley
Andrew Paul Lefevre
Edward John Wemyss Whittaker
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.)
STC PLC
Original Assignee
STC PLC
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 GB08416032A external-priority patent/GB2147175B/en
Application filed by STC PLC filed Critical STC PLC
Publication of AU4322985A publication Critical patent/AU4322985A/en
Abandoned legal-status Critical Current

Links

AU43229/85A 1984-06-22 1985-06-03 Telephone subscriber instrument Abandoned AU4322985A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8416032 1984-06-22
GB08416032A GB2147175B (en) 1983-06-29 1984-06-22 Improvements in telephone instruments

Related Child Applications (1)

Application Number Title Priority Date Filing Date
AU41381/89A Division AU4138189A (en) 1984-06-22 1989-09-14 Hands-free telephone operation subscriber circuit

Publications (1)

Publication Number Publication Date
AU4322985A true AU4322985A (en) 1986-01-02

Family

ID=10562861

Family Applications (2)

Application Number Title Priority Date Filing Date
AU43229/85A Abandoned AU4322985A (en) 1984-06-22 1985-06-03 Telephone subscriber instrument
AU41381/89A Abandoned AU4138189A (en) 1984-06-22 1989-09-14 Hands-free telephone operation subscriber circuit

Family Applications After (1)

Application Number Title Priority Date Filing Date
AU41381/89A Abandoned AU4138189A (en) 1984-06-22 1989-09-14 Hands-free telephone operation subscriber circuit

Country Status (2)

Country Link
AU (2) AU4322985A (en)
ES (1) ES8700501A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6412649A (en) * 1987-07-06 1989-01-17 Nec Corp Variable gain circuit for loudspeaker telephone set

Also Published As

Publication number Publication date
ES8700501A1 (en) 1986-07-16
ES544437A0 (en) 1986-07-16
AU4138189A (en) 1989-12-21

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