Radio communication system for a selected one of a plurality of terminal units of different kinds

A radio communication apparatus, for use in combination with a selected terminal unit, the selected terminal unit being selected from a plurality of terminal units of different kinds, the selected terminal unit being a selected kind, said radio communication apparatus including receiving means for receiving a radio signal to produce a received signal and adjusting means for adjusting said received signal to produce an adjusted signal, said radio communication apparatus comprising:

• detecting means for detecting the kind of said selected terminal unit from among the different kinds and for producing a type signal representative of the selected kind;
• and
• control means coupled to said adjusting means and said detecting means for controlling said adjusting means to make said adjusted signal have a selected level which is appropriate for said selected terminal unit in accordance with said type signal, said selected terminal unit comprising one of a hands-free terminal unit, a terminal unit having a control unit responsive to said control means and further being responsive to a manually operated volume control and a terminal unit which is not responsive to said control means and having an adjustable volume control for adjusting the volume of an output audio signal independently of said control means;
• said radio communication apparatus comprising a first and a second unit;
• said first unit comprising said receiving means, said adjusting means, said detecting means, said control means, and announcing means coupled to said adjusting means for providing an audio signal in response to said adjusted signal;
• said second unit being removably coupled to said first unit and being provided for coupling said selected terminal unit to said first unit.

A radio communication apparatus comprising:

• at least one terminal unit selected from a plurality of terminal units of different types, said selected terminal unit being of a selected type;
• receiving means for receiving a radio signal and for producing a received signal;
• adjusting means for adjusting the level of the received signal to produce an adjusted signal;
• means coupled to said selected terminal unit for determining the type of said selected terminal unit from among the different types and for producing a type signal representative of the type of said selected terminal unit;
• and
• control means coupled to said adjusting means and said determining means for controlling said adjusting means such that said adjusted signal has a level selected in accordance with said type signal, the selected terminal unit comprising one of a hands-free terminal unit, a terminal unit having a control unit responsive to said control means and further being responsive to a manually operated volume control and a terminal unit which is not responsive to said control means and having an adjustable volume control for adjusting the volume of an output audio signal independently of said control means.

A radio communication apparatus, comprising:

• at least one terminal unit selected from a plurality of terminal units of different types, said selected terminal unit being of a selected type;
• receiving means for receiving a radio signal and for producing a received signal;
• adjusting means for adjusting the level of the received signal to produce an adjusted signal;
• means coupled to said selected terminal unit for determining the type of said selected terminal unit from among the different types and for producing a type signal representative of the type of said selected terminal unit;
• and
• control means coupled to said adjusting means and said determining means for controlling said adjusting means such that said adjusted signal has a level selected in accordance with said type signal, the selected terminal unit comprising one of a hands-free terminal unit, a terminal unit having a control unit responsive to said control means and further being responsive to a manually operated volume control and a terminal unit which is not responsive to said control means and having an adjustable volume control for adjusting the volume of an output audio signal independently of said control means;
• and further wherein the apparatus comprises first and second units, and wherein:
• said receiving means, said adjusting means, said determining means and said control means are provided in the first unit, and further comprising audio signal producing means in the first unit coupled to said adjusting means for providing said audio signal in response to said adjusted signal;
• and
• said second unit comprising a unit removably coupled to said first unit, said second unit comprising means for coupling the selected terminal unit to said first unit.

A method for controlling a radio communication apparatus coupled to at least one terminal unit selected from a plurality of terminal units of different types, said terminal unit being of a selected type, the method comprising the steps of:

• receiving a radio signal and producing a received signal;
• adjusting the level of the received signal to produce an adjusted signal;
• determining the type of said terminal unit from among the different types and producing a type signal representative of the type of said terminal unit;
• and
• controlling said adjusting signal with a control means such that said adjusted signal has a level selected in accordance with said type signal, said step of determining comprising determining the type of said terminal unit from among a hands-free terminal unit, a terminal unit having a control unit responsive to the control means and further being responsive to a manually operated volume control, and a terminal unit which is not responsive to a control means and having an adjustable volume control for adjusting the volume of an output audio signal independently of said control means.

A method for controlling a radio communication apparatus coupled to at least one terminal unit selected from a plurality of terminal units of different types, said terminal unit being of a selected type, the method comprising the steps of:

• receiving a radio signal and producing a received signal;
• adjusting the level of the received signal to produce an adjusted signal;
• determining the type of said terminal unit from among the different types and producing a type signal respective of the type of said terminal unit;
• and
• controlling said adjusting signal with a control means such that said adjusted signal has a level selected in accordance with said type signal, said step of determining comprising determining the type of said terminal unit from among a hands-free terminal unit, a terminal unit having a control unit responsive to the control means and further being responsive to a manually operated volume control, and a terminal unit which is not responsive to a control means and having an adjustable volume control for adjusting the volume of an output audio signal independently of said control means;
• further comprising providing first and second units, and wherein:
• said steps of receiving, adjusting, determining and controlling are performed in the first unit, and further comprising the step of providing in the first unit the audio signal in response to said adjusted signal;
• and
• further comprising providing the second unit removably coupled to said first unit, said second unit coupling the terminal unit to said first unit.