Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent
1988-09-01
1991-02-05
Ng, Jin F.
Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
379 63, 379 94, 379 98, H04M 1100
Patent
active
049911970
ABSTRACT:
The present invention provides a control circuit for controlling the path of voice and data signals in a communication system which comprises at least a speaker phone, a cellular transmit/receive unit (TRU), a cellular (CU) handset and a computer having at least a communications software program, a keyboard and an I/O port for communications. The control circuit receives voice and data signals from a plurality of different input sources and routes or switches the received voice and data signals to different selectable destinations. The control circuit comprises analog switching circuitry, a CPU, a modem, landline interface circuitry, TRU interface circuitry and cellular handset interface circuitry which are operatively connected together.
REFERENCES:
patent: 4486624 (1984-12-01), Puhl et al.
patent: 4503288 (1985-03-01), Kessler
patent: 4591661 (1986-05-01), Benedetto et al.
patent: 4650931 (1987-03-01), Tsukada et al.
patent: 4706274 (1987-11-01), Baker et al.
patent: 4741018 (1988-04-01), Potratz et al.
patent: 4823373 (1989-04-01), Takahashi et al.
Augustus Jhancy
Intelligence Technology Corporation
Ng Jin F.
LandOfFree
Method and apparatus for controlling transmission of voice and d does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for controlling transmission of voice and d, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for controlling transmission of voice and d will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-17595