Radio telecommunication apparatus
First Claim
1. A radio telecommunication apparatus including a mobile unit having a radio section and a first antenna, and an adapter having a second antenna and being provided with the mobile unit thereon, wherein when the mobile unit is separated from the adapter, the first antenna is used for communication while when the mobile unit is attached to the adapter, the second antenna is used for communication;
- the mobile unit having a reed switch provided between the radio section and the first antenna for connecting the radio section with the first antenna when the adapter is separated from the mobile unit; and
the adapter having a magnet for forcing the reed switch to be switched by a magnetic force of the magnet so as to connect the radio section with the second antenna when the mobile unit is attached to the adapter.
1 Assignment
0 Petitions
Accused Products
Abstract
A radio telephone device (1) is provided with a reed switch (13) arranged between a radio section (12) and a rod antenna (15) in a telephone set main body (10), which connects the radio section (12) and the rod antenna (15) with each other when the telephone set main body (10) is separated from a car kit (20). The car kit is provided with a magnet (27) which magnetically energizes the reed switch (13) when the telephone set main body (10) is placed on the car kit (20) so that the reed switch (13) is turned into a mode where the radio section (12) and an external antenna (26) are connected to each other. Hence it is possible to execute switching the antenna line between the rod antenna (15) of the telephone set main body (10) and the external antenna (26) of the car kit (20) without inviting any increase in the consumption of electric current and without making the circuits more complicated.
34 Citations
25 Claims
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1. A radio telecommunication apparatus including a mobile unit having a radio section and a first antenna, and an adapter having a second antenna and being provided with the mobile unit thereon, wherein when the mobile unit is separated from the adapter, the first antenna is used for communication while when the mobile unit is attached to the adapter, the second antenna is used for communication;
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the mobile unit having a reed switch provided between the radio section and the first antenna for connecting the radio section with the first antenna when the adapter is separated from the mobile unit; and the adapter having a magnet for forcing the reed switch to be switched by a magnetic force of the magnet so as to connect the radio section with the second antenna when the mobile unit is attached to the adapter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A radio telecommunication apparatus including a mobile unit having a radio section and a first antenna, and an adapter having a second antenna and being provided with the mobile unit, comprising:
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a magnet provided in the adapter; first connecting means provided in the mobile unit; switching means provided in the mobile unit, for connecting the radio section to the first antenna and disconnecting the radio section from the first connecting means when the mobile unit is being separated from the adapter, and for disconnecting the radio section from the first antenna and connecting the radio section to the first connecting means in response to a magnet force of the magnet when the mobile unit is attached to the adapter; and second connecting means provided in the adapter and connected to the second antenna, the second connecting means being connected to the first connecting means when the mobile unit is attached to the adapter. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25)
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16. A radio telecommunication apparatus including a mobile unit having a radio section and a first antenna, and an adapter having a second antenna and being provided with the mobile unit, comprising:
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a magnet provided in the adapter; first connecting means provided in the mobile unit and connected to the radio section; switching means provided in the mobile unit, for connecting the radio section to the first antenna when the mobile unit is separated from the adapter, and for disconnecting the radio section from the first antenna in response to a magnetic force the magnet when the mobile unit is attached to the adapter; and second connecting means provided in the adapter and connected to the second antenna, the second connecting means being connected to the first connecting means when the mobile unit is attached to the adapter. - View Dependent Claims (17)
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Specification