H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 24/02 (2009.01) H04W 16/10 (2009.01) H04B 7/005 (2006.01) H04B 15/00 (2006.01) H04L 1/20 (2006.01)
Patent
CA 2674062
A stencil printer apparatus for depositing a solder paste onto the surface of the electronic substrate, comprising a frame, a stencil coupled to the frame, the stencil having a plurality of apertures, a dispenser coupled to the frame, the stencil and the dispenser being configured to deposit the solder paste onto the electronic substrate, an imaging system (121) constructed and arranged to capture an image of the electronic substrate, and a controller coupled to the imaging- system and configured to control movement of the imaging system to capture the image. The imaging system (121) comprises a camera element (201, 203) configured to capture the image of at least the portion of the surface of the electronic substrate (111), and a first illumination element (209) comprising a long-wavelength light source configured to illuminate at least the portion of the surface of the electronic substrate by generating long-wavelength light. Other embodiments and methods are disclosed.
L'invention concerne des systèmes et des méthodologies pour traiter des informations au niveau d'un dispositif fonctionnant dans un système de communication sans fil. Des techniques pour l'étalonnage en phase et en quadrature (I/Q), la suppression d'interférence, l'estimation de canal, et le calcul de métrique de rang et de rapport signal sur bruit (SNR) sont obtenues dans le présent contexte. Ainsi, une ou plusieurs des techniques décrites peuvent être utilisées pour régler les performances d'une station sans fil en présence de déficiences sur la station sans fil et/ou une liaison de communication utilisée par la station sans fil.
Steele Gregory C.
Van Nee Richard D. J.
Qualcomm Incorporated
Smart & Biggar
LandOfFree
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