rotary dial patented products

rotary dial,patented products
1) Technology Background
In order to provide fast dial pulse or dual tone multi-frequency signal to the electronic program-controlled switches from rotary phone dialer to the electronic circuit to, the inventor has come up with "a mechanical rotary dials" technology program, the patent number is ZL 200720311824.6 of the Chinese Utility Model patent CN 201130989Y.
2)Introduction
1.This model is a rotary telephone dialer involved a telephone dialer. The telephone dialer with finger holes on the plate, number plate, the stopper piece, spindle, rotary speed detector and frame stability; stopper piece fixed to the frame body.
2.The model is designed to provide a rotary dial, which can fast provide finger holes dial-up signal and good durability for corresponding electronic circuits.
3).Patent Picture
4).Dialer Picture
5).Products Pictures