Radio telephone system control apparatus and method
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United States of America Patent
Stats
-
Jan 31, 1989
Grant Date -
N/A
app pub date -
Aug 26, 1986
filing date -
Aug 27, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for controlling a radio telephone system of the type wherein a connection between a wired telephone channel and a plurality of radio telephone handsets is controlled by a single base station connected to the wired telephone channel, a ring signal through the wired telephone channel is detected, a paging signal is sent to the radio telephone handsets from the base station when the ring signal is detected and a paging response signal is sent to the base station from the radio telephone handset in response to the paging signal. Further a channel designating signal is sent to the radio telephone handset in accordance with the paging response signal, a radio channel of the base station is switched to a radio channel corresponding to the channel designating signal, the radio channel of the radio telephone handset is switched to a radio channel corresponding to the channel designating signal, and a speech channel is established between a radio telephone handset responding to the paging signal and the wired telephone channel.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- NEC CORPORATION;NIPPON TELEGRAPH AND TELEPHONE CORPORATION;KABUSHIKI KAISHA TOSHIBA
International Classification(s)
Inventor(s)
| Inventor Name | Address | # of filed Patents | Total Citations |
|---|---|---|---|
| Ito, Koichi | Hino, JP | 310 | 4641 |
| Murata, Yoshitoshi | Yokosuka, JP | 10 | 437 |
| Yoshizawa, Kazuhiro | Kashiwa, JP | 20 | 447 |
| Yotsutani, Akio | Tokyo, JP | 17 | 592 |
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|---|---|---|---|
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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