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US 7,742,789 B1Granted
Mobile telephone
AssigneeKYOCERA Corporation
InventorsMasayuki Takayama, Tatsuhiro Kawakami, Hiroki Hatakeyama
Life of this patent
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Abstract
A mobile telephone using a LCD for the display thereof wherein the address data bus connected to the CPU comprises two separate data buses; the one exclusively provided for the LCD, and the other one for the parts other than the LCD, and in the case of accesses other than access to the LCD, the LCD exclusive address data bus is not actuated.
Claims7
A mobile telephone, comprising:
- a display which displays information including telephone numbers or characters;
- a first bus for connecting to controller and memory;
- and
- a second bus for connecting said controller and said display;
- wherein said first bus and said second bus are independently connected to said controller,
- wherein said first bus is not connected to said display, and said second bus is not connected to said memory;
- wherein said controller controls said first bus and said second bus independently, and
- wherein said second bus is not connected to a radio unit.
5 more elements
A mobile telephone, comprising:
- a display which displays information including telephone numbers or characters;
- a first bus for connecting to controller and memory;
- a second bus for connecting said controller and said display;
- wherein said first bus and said second bus are independently connected to said controller,
- wherein the first bus is not connected to said display, and said second bus is not connected to said memory;
- wherein said second bus is not connected to a radio unit.
3 more elements
Dependencies are inferred from the claim text.