Title:
A METHOD OF POWER CONSERVATION
Document Type and Number:
WIPO Patent Application WO/1995/027342
Kind Code:
A1
Abstract:
A method of modem power conservation used in a data communications system having an infrastructure (101), and a modem (103), the modem registered with the infrastructure and adapted to provide data communications between a host terminal (105) and the infrastructure (101), the method including the steps of receiving, at the modem (103), a message, determining that the message is not deliverable to the host terminal (105), and responsive thereto entering, at the modem (103) a power conservation mode. An alternative method directed to the same purposes includes the steps of entering, at the modem (103), a power conservation mode after a first predetermined time has lapsed without message activity, then exiting the power conservation mode after a second predetermined time has lapsed, and finally registering with the infrastructure (101).
Inventors:
SCOTTON GEOFFREY A
DUTKIEWICZ MAREK
DUTKIEWICZ MAREK
Application Number:
PCT/US1995/001426
Publication Date:
October 12, 1995
Filing Date:
February 06, 1995
Export Citation:
Assignee:
MOTOROLA INC (US)
International Classes:
H04B1/38; H04L12/10; H04L12/28; H04L29/06; (IPC1-7): H04B1/38; H04L5/16
Foreign References:
| US5175870A | 1992-12-29 | |||
| US5241542A | 1993-08-31 | |||
| US5276680A | 1994-01-04 | |||
| JPH01204549A | 1989-08-17 | |||
| JPS5829223A | 1983-02-21 |
Other References:
See also references of EP 0721701A4
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