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Mobile communication terminal equipment

A mobile communication terminal and mobile communication system technology, applied in the field of mobile communication terminal equipment, can solve the problems of unsatisfactory results, fast battery consumption, high power consumption, etc.

Inactive Publication Date: 2003-04-23
FUJITSU TOSHIBA MOBILE COMM LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Then, if the user continues to use the terminal equipment in this state without paying attention, the battery will be consumed unexpectedly quickly due to the large power consumption compared with the occasion using the digital method, and the terminal equipment cannot be used as a result. extremely dissatisfied

Method used

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Embodiment approach 1

[0026] Embodiment 1 of the mobile communication terminal equipment of the present invention, in the mobile communication terminal equipment having an automatic mode (automatic system selection mode) and an analog dedicated mode with a priority setting lower than the automatic mode as a system selection mode, setting There is a system selection mode resetting function. Then, in response to power-on, the system selection mode stored in the first memory is determined before the system selection control is started. If it is judged that the system selection mode stored in the first memory is an analog-only mode, the storage mode in the first memory is reset to an automatic mode with a higher priority.

[0027] FIG. 1 is a schematic diagram showing the state of a service area used by a mobile communication terminal device of the present invention. In this service area, a plurality of systems operating independently of each other (three systems are shown as examples in the figure) f...

Embodiment approach 2

[0046] Embodiment 2 of the mobile communication terminal equipment of the present invention, in having with automatic mode (automatic system selection mode), only with the digital mode system designated in advance as the local dedicated mode and priority setting of the target than these automatic modes and In the mobile communication terminal equipment in which the analog-only method with a low local-only method is used as the system selection method, a system selection method resetting function is newly provided.

[0047] In response to turning on the power supply, determine the mode stored in the first memory before the start of the system selection control. If the system selection mode stored in the first memory is an analog-only mode, it will The automatic mode or local special mode stored in the first memory is read from the second memory, and the storage mode of the first memory is rewritten to the mode of the second memory.

[0048] 6 to 8 are flowcharts showing process...

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Abstract

A system selection mode resetting function is newly added as a system selection mode to a mobile communication terminal apparatus having a plurality of system selection modes assigned different priorities. A system selection mode setting unit checks a system selection mode stored in the first memory in response to power-off or subsequent power-on. If the determination result reveals the presence of another mode higher in priority than the mode stored in the first memory, the mode stored in the first memory is reset to the higher-priority mode.

Description

[0001] For related applications see [0002] This application is based on and claims priority from Japanese Patent Application No. 2001-315814, filed October 12, 2001, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to a multimode type mobile communication terminal equipment used in an area served by a plurality of systems. Background technique [0004] For example, in North America, there are areas where services are provided by a system using an analog method (AMPS: Advanced Mobile Phone Service) and a plurality of systems using a digital method (PCS: Personal Communications System and CDMA: Code Division Multiple Access System). Then, as a mobile communication terminal device used in such an area, a mobile communication terminal device of a multi-system type that can be connected to any of the above-mentioned plural systems has been developed. In the multi-mode type mobile communication terminal eq...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/26H04M11/00H04W8/22H04W48/18H04W52/02H04W88/06
CPCH04W88/06H04W48/18H04W8/22H04W52/0254Y02D30/70
Inventor 王宛石仓明清本盛明坂川隆
Owner FUJITSU TOSHIBA MOBILE COMM LTD
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