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EP0660628A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

A radio telephone adaptor

Assignee: Nokia Oyj
•
Filing: 1994-12-23
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Granted: —
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Expires: 2014-12-23
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Abstract

Abstract The invention relates to an adaptor unit, by means of which present mobile phone sets may be used as terminals of the wire line network. The adaptor unit (8) is connected parallel to the telephone set. The adaptor unit (8) may also contain a call transfer or an answering machine.

Inventors

  • 👤 Lauri Levanto
  • 👤 Seppo Alanärä

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-07 07:49
CPC Classifications
H; H04; H04W; H04W88/00; H04W88/02; H04W88/021; H04M; H04M1/00; H04M1/006; H04M1/72; H04M1/725

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 73 words
An adaptor for a radio telephone comprising: means for adapting signals suitable for communication with a radio telephone to signals suitable for transmission along a landline network and/or vice versa; means for coupling to a radio telephone such that the signals suitable for communication with the radio telephone are transmittable therebetween; and means for coupling to a landline network such that the signals suitable for transmission along a landline network are transmittable therebetween.
Claim 2
Dependent Claim 26 words
An adaptor according to claim 1 wherein the means for coupling to a radio telephone comprises means for providing a cordless link to the radio telephone.
Claim 3
Dependent Claim 29 words
An adaptor according to claim 1 wherein the means for coupling to a radio telephone comprises a service line for transmitting both data indicative of speech and control signals.
Claim 4
Dependent Claim 22 words
An adaptor according to any preceding claim wherein the adaptor provides means for selecting operation of the radio telephone via the landline.
Claim 5
Dependent Claim 22 words
An adapter according to claim 4 wherein the means for selecting is responsive to the radio telephone being connected to the adapter.
Claim 6
Dependent Claim 25 words
An adapter according to claim 5 wherein on disconnection of the radio telephone from the adaptor unit, calls to the radio telephone are directed over-the-air.
Claim 7
Dependent Claim 20 words
An adapter according to any preceding claim wherein the adapter provides signals corresponding to the signal protocol of the landline.
Claim 8
Dependent Claim 25 words
An adapter according to any preceding claim wherein the signal levels of signals provided to the landline correspond to signals levels on the landline network.
Claim 9
Dependent Claim 19 words
An adaptor according to any preceding claim wherein the adaptor is disposed within the housing of the radio telephone.
Claim 10
Dependent Claim 26 words
An adaptor according to any preceding claim wherein the means for adapting comprises means for providing DTMF or pulse signals for transmission along a landline network.
Claim 11
Dependent Claim 44 words
An adaptor according to any preceding claim wherein means is provided for communication with a radio telephone operable with a handsfree unit such that the adaptor is operable to communicate with the radio telephone during call initiation and with the handsfree unit during calls.

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