Computer mouse with bluetooth hand-free handset

Details Computer mouse with bluetooth hand-free handset Computer mouse with bluetooth hand-free handset

2007-12-11

2007-12-11

Maung, Nay (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Short range rf communication

C455S569100, C455S570000, C345S163000

Reexamination Certificate

active

10989323

ABSTRACT:
The invention discloses a computer input device with Bluetooth hand-free handset comprises: an electric source module, for providing power to the computer input device, comprising a voltage step-up circuit and a battery, in which the battery can be an one-time-battery or a rechargeable battery used as the electric source for the computer input device; an optical mouse circuit, for detecting movement vector caused by a movement of the computer input device by the principles of optical transmitting and receiving; a Bluetooth module, coupled to the optical mouse circuit, wherein the module is further connected to an antenna for transmitting/receiving signals, a power LED for indicating whether the computer input device is powered, and a link LED for indicating whether the computer input device is in a communication state; an echo cancellation circuit, coupled to the Bluetooth module and used for canceling echoes of audio signals; a sound receptor, coupled to the echo cancellation circuit for receiving the audio signals; an audio signal amplifying circuit, coupled to the echo cancellation circuit for receiving and amplifying the audio signals outputted from the echo cancellation circuit; and a loudspeaker, coupled to the audio signal amplifying circuit for playing sounds corresponding to the audio signals from the audio signal amplifying circuit.

REFERENCES:
patent: 6223025 (2001-04-01), Tsukuda
patent: 6405027 (2002-06-01), Bell
patent: 7106357 (2006-09-01), Fukuda et al.
patent: 2002/0051337 (2002-05-01), Hyun
patent: 2002/0052182 (2002-05-01), Mayuzumi
patent: 2003/0040903 (2003-02-01), Gerson
patent: 2004/0203382 (2004-10-01), Park
patent: 2004/0234084 (2004-11-01), Isberg et al.
patent: 2006/0007151 (2006-01-01), Ram
patent: 2006/0030263 (2006-02-01), Seligmann et al.
patent: 2006/0143465 (2006-06-01), Lai et al.

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