Abstract: A navigation device equipped with an optical media player for reading an audio/video-formatted (AV-formatted) disc and a map information disc and a display device for displaying contents of the AV-formatted disc and map information thereon is provided. The navigation device includes a processing unit connected to the optical media player for controlling the optical player to read an image data and an audio data from the AV-formatted disc, an image decoding unit connected to the processing unit for decoding the image data to generate an image signal and display the image signal onto the display device, an audio decoding unit connected to the processing unit for decoding the audio data to generate an audio signal having at least one audio channel, and an audio outputting unit connected to the audio decoding unit for outputting the audio signal.

Abstract: A bicycle frame with shock absorbing system is used to eliminate the shocking force occurring on the connecting portion of a seat tube fixedly mounted on a bottom bracket and a down tube. The system includes a shock absorber mounted between the seat tube and the down tube. A pair of brackets are integrally formed with bottom bracket and extend toward the down tube. A pivot is fixedly secured to the brackets. A pivot mounting tube is integrally formed on a rear end of the down tube and pivotably mounted on the pivot.