Microcontroller with a caller identification unit

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United States of America Patent

PATENT NO 5781621
SERIAL NO

08603844

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A microcontroller (100) for processing caller information received from a telephone line to display on a display panel of a telecommunication device. The microcontroller (100) includes a central processing unit (160), a display control unit (110) for controlling the display panel, a ring detector (140), a carrier detector (150) for detecting the caller information, memory (120) for storing a plurality of predetermined control parameters, and a caller identification unit (130) for providing the caller information to the display control unit (110). Within the caller identification unit (130), a power management (134) unit controls a power supply (170) to a signal demodulator (132), based on the plurality of predetermined control parameters, to process the caller information. Of the plurality of predetermined control parameters, a first control parameter enables the power supply and a second control parameter disables the power supply (170) to the signal demodulator (132).

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Patent Owner(s)

Patent OwnerAddress
MOTOROLA INC1303 EAST ALGONQUIN ROAD SCHAUMBURG IL 60196 U S A

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chua, Tiong Kee Singapore, SG 1 62
Kwok, Luen Hin Singapore, SG 2 68
Lim, Cher Eng Singapore, SG 1 62
Sohi, Satinder Jit Singh Singapore, SG 1 62

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