Rotation state detecting device and rotation state detecting...

Rotation velosity sensor for a tape reel disk in which light is

Rotational direction detection device for a motor or the like

Rotational position detecting apparatus

Rotational speed detecting apparatus

Rotational speed detection sensor

Rotational speed detection unit

Rotational speed detector for an internal combustion engine comp

Rotational speed detector having elongate detecting surface...

Rotational speed device with magneto-electric elements

Rotational speed measurement with frequency-dependent voltage co

Rotational speed measuring system having a circuit for increasin

Rotational speed probe subassembly with shroud arranged for moun

Rotational speed sensing device provided with a pair of magnetic

Rotational speed sensor with unfixed and/or fixed edge speed cal

Rotational speed transducer having greater low speed discriminat

Rotational speed-detecting device with rod-shaped sensor

Rotational velocity and direction sensing system

Rotational velocity detecting arrangement of the tone wheel on t

Rotational velocity sensor ring apparatus and method