Patent digital type electric charge shift induct chip has the continuous self-adjustment and the spread modulation function, specially developed for the consumer electronic products and household electrical appliances. Designers may create the brand-new man-machine interface product in lower cost; Penetrates each kind of dielectric kneading board to induce finger touching. Specifications   1~48 individual channels, through each kind of dielectric operation       Each induction channel with individual output pin       Each induction channel only requires one exterior electric capacity       High sensitivity, each induction channel may use individual adjustment       100% self-adjustment , without manual adjustments       5V single power operation       Toggle mode for On/Off switch       10sec , 60sec, unlimited self-adjusting cycles       Adjacent Key Suppression       Sync (QT140 ,QT150 ) reduce disturbance function Suitable for 3C products, light switch, industry control panel, security system, entrance guarding system, carriage controls, indicating system, game machines, sealed press key, may substitute for the film pressed key, toy/interaction games, detects, handset, MP3, PMP, DSC, Portable DVD, PDA, PS, Notebook, Tablet PC safely…and etc .