Device and method for controlling sound volume of automatic receiver of hand radio telephone set

Application Number: 00119987
Application Date: 2000.06.30
Publication Number: 1291852
Publication Date: 2001.04.18
Priority Information: 1999/7/21 KR 29503/99
International: H04Q7/32
Applicant(s) Name: Samsung Electronics Co., Ltd.
Inventor(s) Name: Kim Min-Su
Patent Agency Code: 72001
Patent Agent: wu zengyong
Abstract Disclosed is an automatic receiver volume control apparatus and method for a portable radio telephone set which can make a proper control of a receiver volume according to whether or not a user is in contact with a receiver part of the telephone set during a telephone call. The automatic receiver volume control apparatus includes an optical sensor section, positioned adjacent to a side of a receiver part of the telephone set, for sensing an input of external light, a control section for outputting a predetermined receiver volume control signal in accordance with an external light sensing result of the optical sensor section during a telephone call in an automatic receiver volume control mode, and a receiver volume control section for controlling amplification and attenuation of a receiver speech in accordance with the receiver volume control signal inputted from the control section.