发明名称 |
Portable radio telephone set |
摘要 |
A portable radio telephone set provided with a display section includes a rotary selector which turns to select various functions. A menu displayed on the display section is selected by the rotary selector during a non-conversation time, and the sound volume can be adjusted during the conversation time. The adjusting operation can be performed from both the front and, the rear sides of the telephone set. The rotary selector and button keys are arranged within the operation range of the thumb, and ordinary dial functions performed by operating these rotary selector and button keys are provided.
|
申请公布号 |
US5937360(A) |
申请公布日期 |
1999.08.10 |
申请号 |
US19970956787 |
申请日期 |
1997.10.23 |
申请人 |
HITACHI, LTD. |
发明人 |
NISHIYAMA, TAKANORI;YANAGISAWA, KAZUNORI;ITAKURA, SAKAE |
分类号 |
H04Q7/32;G06F3/023;G06F3/033;H01H3/16;H01H25/00;H04M1/00;H04M1/02;H04M1/03;H04M1/247;H04M1/2745;H04M1/725;(IPC1-7):H04Q7/32 |
主分类号 |
H04Q7/32 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|