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1. (WO2017151097) USING UNIDIRECTIONAL AND OMNIDIRECTIONAL ANTENNAS TO DETERMINE WHETHER OBJECT IMAGE IS IN CAMERA VIEWFINDER

Pub. No.:    WO/2017/151097    International Application No.:    PCT/US2016/020098
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Tue Mar 01 00:59:59 CET 2016
IPC: H04N 5/232
H04N 5/225
G03B 13/02
G03B 13/18
Applicants: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventors: LAGNADO, Isaac
ALI, Vali
Title: USING UNIDIRECTIONAL AND OMNIDIRECTIONAL ANTENNAS TO DETERMINE WHETHER OBJECT IMAGE IS IN CAMERA VIEWFINDER
Abstract:
A technique includes sensing energy emitted from an object using an omnidirectional antenna of electronic device and sensing the energy using a unidirectional antenna of the electronic device. The technique includes, based at least in part on the sensing of energy using the omnidirectional antenna and the sensing of the energy using the unidirectional antenna, determining whether an image of the object is displayed in a camera viewfinder of the electronic device. The technique includes selectively causing the electronic device to generate an output based at least in part on the determination.