Radio telephone system

Claim 2

A radio telephone system comprising host radio telephone means (1), handset means (2), and means (9, 10, 11) for intercoupling the handset means (2) and the host radio telephone means (1) whereby information may be transferred therebetween, characterized in that the handset means is in the form of a portable radio telephone (2) containing a number assignment module (NAM) (7) adapted to store two or more telephone numbers identifying the portable radio telephone, the portable radio telephone (2) has means (8, 27) providing access to said NAM (7) from outside the portable radio telephone, and the host radio telephone means (1) is provided with means (4, 24, 3) for accessing said NAM (7) in the portable radio telephone (2) whereby the host radio telephone means (1) becomes operable with at least one of the telephone numbers identifying the portable radio telephone when the portable radio telephone is coupled to the host radio telephone means.

Claim 3

A radio telephone system comprising a host radio telephone (1), handset means (2), and means (9, 10, 11) for intercoupling the handset means (2) and the host radio telephone (1) whereby information may be exchanged therebetween, characterized in that the host telephone means has a first number assignment module (NAM) (14) adapted to store two or more telephone numbers identifying the host telephone, and in that the handset means is in the form of a portable radio telephone (2) containing a second number assignment module (NAM) (7) capable of storing a number identifying the handset means, the portable telephone has means (8, 27) providing access to the second NAM (7) from outside the portable radio telephone, and the host telephone (1) is provided with means (4, 24, 3) for accessing the second NAM (7) whereby the host telephone becomes operable with the number identifying the portable radio telephone when the portable radio telephone is coupled to the host telephone.

Claim 4

A radio telephone system comprising a host radio telephone (1), handset means (2), and means (9, 10, 11) for intercoupling the handset means (2) and the host radio telephone (1) whereby information may be exchanged therebetween, characterized in that the host telephone means has a first number assignment module (NAM) (14) adapted to store two or more telephone numbers identifying the host telephone, and in that the handset means is in the form of a portable radio telephone (2) containing a second number assignment module (NAM) (7) capable of storing a number identifying the handset means, the portable telephone has means (8, 27) providing access to the second NAM (7) from outside the portable radio telephone, and the host telephone (1) is provided with means (4, 24, 3) for accessing the second NAM (7) whereby the host telephone becomes operable with the number identifying the portable radio telephone when the portable radio telephone is coupled to the host telephone.

Claim 5

A radio telephone system as claimed in claim 2, including means (15) capable of detecting the coupling of the portable radio telephone to the host telephone, wherein the host telephone comprises control circuitry (4) to which the first NAM (14) is coupled, and switching means (15) responsive to the detecting means which disconnect the first NAM from the control circuitry when the portable radio telephone (2) is coupled to the host telephone (1).

Claim 6

A radio telephone system as claimed in any of the preceding claims, wherein the host telephone (1) comprises re-programmable memory means (16) for storing information from the NAM (7) in the portable radio telephone, and means are provided for transferring information from said NAM (7) in the portable radio telephone to the memory means automatically when the portable radio telephone is connected to the host telephone.

Claim 7

A radio telephone system as claimed in claim 4 when dependant on claim 3, wherein the switching means (15) of the host telephone (1) couples the memory means (16) to the control circuitry (4) when the portable radio telephone (2) is coupled to the host telephone.

Claim 8

A radio telephone system as claimed in claim 4 or claim 5, wherein means are provided for erasing the information stored in the memory means (16) automatically when the portable radio telephone is disconnected from the host telephone.

Claim 9

A radio telephone system as claimed in any of the preceding claims, including means (12) capable of detecting the coupling of the hand portable telephone to the host telephone, the hand portable telephone comprising switching means (12) responsive to the detecting means which disable at least some of the R.F. circuits (13) of the hand portable telephone (2) when the hand portable telephone is coupled to the host telephone (1).

Claim 10

A radio telephone system as claimed in any of the preceding claims, wherein the portable radio telephone comprises memory means (20) for storing variable information, and the host telephone comprises corresponding memory means (21), and means are provided for transferring information from the memory means in the portable radio telephone to the corresponding memory means in the host telephone automatically when the portable radio telephone is coupled to the host telephone.

Claim 11

A host radio telephone (1) for use in the radio telephone system claimed in any of the preceding claims, characterized in that the host telephone is adapted to have removably coupled thereto via a datalink a portable radio telephone (2) containing a number assignment module (NAM) (7) adapted to store two or more telephone numbers identifying the portable radio telephone, and the host telephone has means (4, 24, 3) for accessing the NAM (7) in the portable radio telephone whereby the host telephone becomes operable with at least one of the telephone numbers identifying the portable radio telephone when the portable radio telephone is coupled to the host telephone.

Claim 12

A host radio telephone (1) for use in the radio telephone system claimed in any of the preceding claims, characterized in that the host telephone contains a number assignment module (NAM) (14) adapted to store two or more telephone numbers identifying the host telephone, the host telephone is adapted to have removably coupled thereto via a datalink a portable radio telephone (2) containing a number assignment module (NAM) (7) storing a number identifying the portable radio telephone, and the host telephone has means (4, 24, 3) for accessing the NAM (7) in the portable radio telephone whereby the host telephone becomes operable with the number identifying the portable radio telephone when the portable radio telephone is coupled to the host telephone.

Claim 13

A portable radio telephone (2) for use in the radio telephone system claimed in any of claims 1 to 8, characterized in that the portable radio telephone (2) is adapted to be removably coupled via a datalink to the host telephone (1), the portable radio telephone contains a number assignment module (NAM) (7) adapted to store at least two telephone numbers identifying the portable radio telephone, and the portable radio telephone is adapted to provide access to the NAM (7) contained therein from outside the portable radio telephone.