Patent ID: 7270006
Filing Date: 2007-09-18
Classification: G01H

Abstract:
1. A sound level monitor device comprising: a microphone; a sound level measurement circuit coupled to the microphone for taking sound signals received by the microphone and converting the sound signals to digital signals; a display coupled to the sound level measurement circuit for showing different measurement signal values; and a single control button coupled to the sound level measurement circuit, wherein pressing the control button a first time activates the sound level measurement circuit so a current measurement signal value is shown on the display, pressing the single control button a second time causing a highest recorded measurement signal value since the sound level monitor device has been presently activated to be shown on the display, the highest recorded measurement signal value to remain on the display until a higher recorded measurement signal is monitored, and pressing and holding the single control button for a predetermined time frame deactivating the sound level monitor device.