Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent
1987-10-16
1989-04-18
Ng, Jin F.
Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
379 93, 375 5, 455 54, H04M 1100, H04B 726
Patent
active
048233730
ABSTRACT:
A line switching control system effects switching between a data communication mode and a voice communication mode in mobile communication, particularly mobile telephone service. The line switching control system includes a transmitter/receiver unit for transmitting and receiving signals through an antenna, an input device combined with a telephone, a switching device for effecting switching between the data communication mode and the voice communication mode, and a control unit for controlling switching between the data communication mode and the voice communication mode based on a mode switching command entered through the input device. When a key of the input device at the user's hand is depressed, switching between the data communication mode and the voice communication mode can smoothly be performed.
REFERENCES:
patent: 4524244 (1985-06-01), Faggin et al.
"Portable Fax Machine", May 1988, p. 15, `Hello Direct` catalog.
Popular Science, p. 41, "Take-Along Fax", Aug. 1986.
J. R. Lineback, "Cellular Link is Step to Portable Office", Electronics, Jun. 28, 1984, pp. 48-49.
S. Crump, Jr., "ABIX: Landline Emulator for Cellular", Personal Communications Technology, Jun. 1986, pp. 39, 42.
Amakasu Tadashi
Etoh Hiroshi
Takahashi Chusei
Chan Wing Fu
Ng Jin F.
OKI Electric Industry Co., Ltd.
LandOfFree
Line switching control system for mobile communication does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Line switching control system for mobile communication, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Line switching control system for mobile communication will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2400935