Portable radio telephone system

Portable radio telephone used with an adaptor unit having a hand

Portable radio telephone which terminates an electronic keypad l

Portable radio telephone with impulse movement or sound off-hook

Portable smart card communication device

Portable telephone apparatus including electronic notebook funct

Portable telephone apparatus responsive to control signals obtai

Portable telephone apparatus which can be connected to an extern

Portable telephone handset with remote control

Portable telephone having a pipe member which supports a microph

Portable telephone having an additional device for making extern

Portable telephone set

Portable telephone set for performing remote control operation o

Portable telephone set tracking connection system in mobile comm

Portable telephone set transmitting area identification signal i

Portable telephone set with automatic dialing feature

Portable telephone system

Portable telephone system having selectable bypass line

Portable telephone system using stratified exchange system

Portable telephone with power source/mode change during calls