Patent ID: 6858182

Claim:
An exhalation gaseous component gauge including, in a palm-sized casing having exhalation taking-in and taking-out slots on its front and rear sides respectively, at least an electric power supply, a CPU connected to the power supply via an associated switch, a gas sensor connected to the CPU and a display device fixed to the front side of the casing, and connected to the CPU, characterized in that the gas sensor is located to permit the breath out of one's mouth to flow over the gas sensor on the way from the exhalation taking-in slot to the exhalation taking-out slot, and the palm-sized casing is sized and configured to permit one to have a look at the display while holding the gauge in a hand to direct the breath from one's mouth to the exhalation taking-in slot; further comprising a buzzer connected to the CPU, for permitting the buzzer to respond to detection of a halitosis detectable quantity of exhalation by the gas sensor for informing a person of detection of such exhalation.