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Shenzhen, CN
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last 30 patents
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Patent Grant
Call access control method
Patent number
7,602,761
Issue date
Oct 13, 2009
Huawei Technologies, Co. Ltd.
Zhaohui Lin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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last 30 patents
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Patent Application
METHOD FOR SWITCHING CAMERAS AND ELECTRONIC DEVICE
Publication number
20250106529
Publication date
Mar 27, 2025
Honor Device Co., Ltd.
Chunlin TIAN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Call access control method
Publication number
20060105773
Publication date
May 18, 2006
Zhaohui Lin
H04 - ELECTRIC COMMUNICATION TECHNIQUE