Silitek Corporation Corporation

Jung-Chuan Pan

Jay Terng

Thomas Lee

An extended input device for a portable wireless communication apparatus includes a first input keypad, a second input keypad, a pivot portion connecting the first input keypad and the second input keypad, and pivotally switching the first input keypad and the second input keypad between a normal and an operating statuses, and a signal transmission portion connected to the first input keypad and the second input keypad for transmitting a signal between the extended input device and the portable wireless communication apparatus. Therefore, the extended input device can provide an enough area for typing and a small size for being easily packed up to be carried on.

Extended input device for portable wireless communication apparatus

Hand held keyboard

A computer keyboard has multiple input/output function and is connected to a computer (or a set-top box). The keyboard comprises a keyboard main body, and a handset slot. The keyboard main body has a control circuit, a scan matrix circuit connected to the control circuit; a first switch and a second switch. The control circuit is connected to the normally-close terminals of the first switch and the second switch. The communication interface (such as USB or RS-232) of the keyboard is connected to the normally-open terminals of the first switch and the second switch. The common terminal of the first switch is connected to the handset slot and the internal circuit of the handset. The common terminal of the second switch is connected to the internal circuit of the computer. The keyboard main body has function key set connected to the control circuit when being pressed. The function key set controls the first switch and the second switch to switch between the normally-open and normally-close state, whereby the keyboard can be used as input means of the handset and the handset can exchange data with the computer through the communication interface.

Growing community of inventors

Sanchung, Taiwan

Jung-Chuan Pan