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US 2001/0017532 A1Published application
Battery changing method during call processing in wireless telephone set
AssigneeSamsung Electronics Co., Ltd.
InventorJay-Hee Han
Life of this patent
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AssigneeSamsung Electronics Co., Ltd.
InventorJay-Hee Han
Estimating the term…
Disclosed is a battery changing method during processing of a call without interrupting a talking path in a wireless telephone set having a supplementary battery and a main battery. In the battery changing method according to the invention, it is detected whether or not a capacity of the battery is less than a predetermined value during the call processing. If in the affirmative, it is detected whether or not a mode set key requiring a battery change is inputted by a user. If in the affirmative, electric power of the wireless telephone set is switched to the supplementary battery and a power saving mode is operated to transmit messages for maintaining the wireless link. It is then detected whether or not a key requesting a return to a normal mode is inputted during the power saving mode. If in the affirmative, electric power of the wireless telephone set is switched back to the main battery and a normal mode is resumed.
A battery changing method during processing of a call in a wireless telephone set, the telephone set having a supplementary battery and a main battery, the method comprising the steps of:
A battery changing method during processing of a call without interrupting a talking path in a wireless telephone set having a supplementary battery and a main battery, the battery changing method comprising the steps of:
A battery changing method during processing of a call without interrupting a talking path in a wireless telephone set of a GSM communication system, the telephone set having a supplementary battery and a main battery, the battery changing method comprising the steps of:
Dependencies are inferred from the claim text.