Radio telephone system

Claim 2

A radio telephone system including a plurality of radio telephone sets (13), a plurality of a radio connectors (12) and a radio channel control unit (11) connected a telephone exchange (10) used for general subscribers the radio telephone system comprising: each of the radio telephone sets (13) including first memory means (138b) for storing an ID number of the radio telephone set (13), second memory means (138c) for storing an ID number of a radio sone (Zn) in which the radio telephone set (13) is presently located, and control means (130) for turning on/off a power supply of a receiving circuit in first predetermined cycles; each of the radio connectors (12) arranged in one of radio zones (Zn) and including means (120, 121) for transmitting the ID number of the radio zone to the radio telephone set (13) in second predetermined cycles longer than the first predetermined cycle; the radio channel control unit (11) including a third memory means (115b) for storing the ID number of each of the radio telephone sets (13) and the ID number of each of the radio zones (Zn) in which each of the radio telephone sets (13) is located by means of setting the correspondence of the two ID numbers; wherein the radio telephone set (13) compares the ID number of the radio zone (Zn) provided by the radio connector (12) with the ID number of the radio zone (Zn) stored in the second memory means (138c) when receiving the provided ID number, and transmits both of the ID number of the radio telephone set (13) stored in the first memory means (138b) and the received ID number of the radio zone to the radio connector as a position entry signal when the two compared ID numbers fail to coincide with each other, and afterthat the radio connector (12) receiving the ID numbers of the radio telephone set (13) stored in the first memory means (138b) and the radio zone sends the two received ID numbers to the radio channel control unit (11), and furthermore the radio channel control unit (11) stores the ID number of the radio telephone set and that of the radio zone in the third memory (115b).

Claim 3

A radio telephone system according to claim 1, wherein the transmission of the position entry signal from the radio telephone set (13) to the radio connector (12) is performed in a timing generated on the basis of the ID number of the radio telephone set.

Claim 4

A radio telephone system according to claim 1 or 2, wherein when the two ID numbers fail to coincide with each other a predetermined number of times successively in the plural comparisons as to the two ID numbers, the radio telephone set (13) transmits the position entry signal to the radio connector (12).

Claim 5

A radio telephone system including a plurality of radio telephone sets (13), a plurality of a radio connectors (12) and a radio channel control unit (11) connected to a telephone exchange (10) used for general subscribers the radio telephone system comprising: each of the radio telephone sets (13) including first memory means (138b) for storing an ID number of the radio telephone set (13), second memory means (138c) for storing an ID number of a radio zone (Zn) in which the radio telephone set (13) is presently located, and control means (130) for turning on/off a power supply of a receiving circuit in first predetermined cycles generated by a built-in timer; each of the radio connectors (12) arranged in one of radio zones (Zn) and including means (120, 121) for transmitting the ID number of the radio zone to the radio telephone sets (13) in second predetermined cycles longer than the first predetermined cycle; the radio channel control unit (11) including a third memory means (115b) for storing the ID number of each of the radio telephone sets (13) and the ID number of each of the radio zones (Zn) in which each of the radio telephone sets (13) is located by means of setting the correspondence of the two ID numbers; wherein the radio telephone set (13) resets the timer for generating the first predetermined cycles and compares the ID number of the radio zone (Zn) provided by the radio connector (12) with the ID number of the radio zone (Zn) stored in the second memory means (138c) when receiving the provided ID number, and transmits both of the ID number of the radio telephone set (13) stored in the first memory means (138b) and the received ID number of the radio zone to the radio connector as a position entry signal when the two compared ID numbers fail to coincide with each other, and afterthat the radio connector (12) receiving the ID numbers of the radio telephone set (13) stored in the first memory means (138b) and the radio zone sends the two received ID numbers to the radio channel control unit (11), and furthermore the radio channel control unit (11) stores the ID number of the radio telephone set and that of the radio zone in the third memory (115b).

Claim 6

A radio telephone system including a plurality of radio telephone sets (13), a plurality of a radio connectors (12) and a radio channel control unit (11) connected to a telephone exchange (10) used for general subscribers the radio telephone system comprising: each of the radio telephone sets (13) including first memory means (138b) for storing an ID number of the radio telephone set (13), second memory means (138c) for storing an ID number of a radio zone (Zn) in which the radio telephone set (13) is presently located, and control means (130) for turning on/off a power supply of a receiving circuit in first predetermined cycles generated by a built-in timer; each of the radio connectors (12) arranged in one of radio zones (Zn) and including means (120, 121) for transmitting the ID number of the radio zone to the radio telephone sets (13) in second predetermined cycles longer than the first predetermined cycle; the radio channel control unit (11) including a third memory means (115b) for storing the ID number of each of the radio telephone sets (13) and the ID number of each of the radio zones (Zn) in which each of the radio telephone sets (13) is located by means of setting the correspondence of the two ID numbers; wherein the radio telephone set (13) resets the timer for generating the first predetermined cycles and compares the ID number of the radio zone (Zn) provided by the radio connector (12) with the ID number of the radio zone (Zn) stored in the second memory means (138c) when receiving the provided ID number, and transmits both of the ID number of the radio telephone set (13) stored in the first memory means (138b) and the received ID number of the radio zone to the radio connector as a position entry signal when the two compared ID numbers fail to coincide with each other, and afterthat the radio connector (12) receiving the ID numbers of the radio telephone set (13) stored in the first memory means (138b) and the radio zone sends the two received ID numbers to the radio channel control unit (11), and furthermore the radio channel control unit (11) stores the ID number of the radio telephone set and that of the radio zone in the third memory (115b).

Claim 7

A radio telephone system according to claim 4, wherein the transmission of the position entry signal from the radio telephone set (13) to the radio connector (12) is performed in a timing generated on the basis of the ID number of the radio telephone set.

Claim 8

A radio telephone system according to claim 4 or 5, wherein when the two ID numbers fail to coincide with each other a predetermined number of times successively in the plural comparisons as to the two ID numbers, the radio telephone set (13) transmits the position entry signal to the radio connector (12).

Claim 9

A radio telephone system according to anyone of claims 4 to 6, wherein the radio telephone set (13) resets the timer at a time when, after receiving the ID number of the radio zone provided by the radio connector, comparing the provided ID number with the ID number of the radio zone stored in the second memory means and the compared two ID numbers coincide with each other.