Patent Number: 6,396,419

Title: Volume control knob for use with a laptop computer

Abstract: A volume control knob for use with a laptop computer uses the engagement between the springs and the connecting plates to generate different messages. The messages will then be transmitted to the chip received in the secondary control device. With the messages received by the chip, the volume of the laptop computer is controlled.

Inventors: Yeh; Shih-Ping (Taipei, TW)

Assignee: ASUSTek Computer Inc.

International Classification: H01H 25/00 (20060101); H01H 25/06 (20060101); H03M 001/22 ()

Expiration Date: 05/28/2019