Hon Hai Precision Industry Co., Ltd.

Hong-Fu Jin Precision Industry (Shenzhen) Co., Ltd.

Mao-Chang Huang

Chien-Li Tsai

Lien-Fa Chen

Jie Zhang

Lei Wu

Ke-Cheng Lin

Wen-Kang Lo

Xiong-Dong Peng

Hsi-Yu Wu

A motherboard for a portable notebook computer includes a circuit board, and an extension card module connected with the circuit board. The circuit board defines a cutout in one corner thereof and includes a top layer and a bottom layer. The top layer includes a first area, a second area, a third area, and a fourth area. The first area and the third area are located near one edge of the circuit board. The second area and the fourth area are located near an opposite edge of the circuit board. The first area and the second area are near the cutout. A central processing unit, a graphics processing unit (GPU), a peripheral component interconnect (PCI) card, and a memory are located on the first through fourth areas of the circuit board respectively. The extension card module selectively receives a variety of extension cards.

Portable notebook computer motherboard

An anti-theft alarm system includes a detecting switch portion including a first switch and a second switch, a keyboard controller (KBC), and a key of a keyboard of the portable computer for enabling the alarm system. If the portable computer is moved without deactivation of the alarm system, the second switch opens, causing a change of a voltage at the first switch which is detected by the KBC, the KBC thereby sends an alarm control signal to an audio system of the portable computer, and the audio system produces an audible sound for a theft deterrence effect.

Anti-theft alarm system for portable computer

A switch apparatus for activating an alarm function of an alarm circuit on a motherboard of a portable computer, the switch apparatus includes a switch mounted on the motherboard and a pressing device mounted on a base. The pressing device includes a pressing member deformable via an outside force to depress the switch.

Switch apparatus for starting alarm circuit of portable computer

Growing community of inventors

Tu-Cheng, Taiwan

Mao-Chang Huang