SOUND SIGNALLING APPARATUS FOR TOY Russian patent published in 1997 - IPC

FIELD: signalling device for movable self-propelled or mechanical toys. SUBSTANCE: apparatus has unit for determining position of movable object, sound signal generating unit with sound emitter, initial setting unit and univibrator. Movable object position determination unit has toy motion and position sensor and discriminator connected in series. Sound signal generating unit has strobe signal generator and sound frequency generator connected in series. EFFECT: increased efficiency, simplified construction, increased entertainment effect. 4 cl, 5 dwg