| 摘要 |
FIELD: radio communication systems engineering. ^ SUBSTANCE: cell phone forms a part of radio communication system and performs simultaneous transmission of signals of radio communication and cell communication, while radio communication system has base station and one or more radio stations, while cell phone has control circuit, cell transmitter-receiver, radio transmitter-receiver, microphone and loudspeaker, and simultaneous transmission is transmission of cell communication signals and radio communication signals at the same time, and as a matter of fact, simultaneously. ^ EFFECT: creation of cell phone for simultaneous usage of radio and cell communications. ^ 2 cl, 7 dwg |
