A sensor pixel and a touch panel using the same are provided herein, wherein the touch panel has m scan lines and n readout lines. In its simplest embodiment, a portable or wearable controller communicates wirelessly with a tag secured to a surface, analogously to a car remote\u2014push button, receive a signal from tag or back at the controller, to locate tagged object. If such a state that the door is open is detected, the engine control part halts the data transmission, and temporarily stores the data currently transmitted in a memory thereof. A baffle extends from the transition region generally in the downstream direction, forming at least one space between the combustor wall and the baffle. In some embodiments, the diaphragm has a radius of 20 microns and the pressure sensor can detect signals at or near 0. In particular, they may be used in connection with therapy of stroke or its recurrence, the acute treatment of myocardial infarction, and the treatment or prevention of wasting or cachexia, and are thus useful in treatment of the symptoms and signs of aging.