Abstract: A bypass apparatus for a scroll compressor includes multiple bypass holes located at a plurality of locations along a path traced by the compression chambers of the compressor. A dimple portion having a large cross sectional area may be formed at an outlet of the bypass holes to increase the surface area of the compressed gas pushing against the bypass valves. Angled openings of the dimple portions, or angled openings of the bypass holes would also act to further increase the area of the compressed gas pushing on the bypass valves. The increased surface area of the gas pressing on the bypass, by virtue of its greater overall force, enhances an opening speed of the bypass valve. Accordingly, the over-compression of the refrigerant gas is prevented.

Abstract: A mobile communication terminal and method of indicating speakerphone mode thereof are disclosed, by which a far-end user can be informed whether a speakerphone mode of the mobile communication terminal is entered. The present invention includes a radio frequency part communicating with a base station, a microphone/speaker inputting a voice of a first user and outputting a voice of a second user, an input unit inputting a command for activating/deactivating a speakerphone mode and a command for making a call to the far-end user or answering a call from the far-end user, and a controller transmitting a speakerphone mode information to the base station using the radio frequency part via a reverse channel if the microphone/speaker is used according to the command for activating the speakerphone mode.