Title:
REVOLUTION STATE DETECTOR
Document Type and Number:
Japanese Patent JPS5397475
Kind Code:
A
Abstract:
PURPOSE: To obtain a speed detection signal and a phase detection signal corresponding to revolving speeds by so arranging the device that electrostatic capacities change according to the revolving condition of a capacity changing body which revolves along with the revolutions of a revolving body.
Inventors:
YAMAUCHI HIROYUKI
UCHIDA HIROYUKI
UMEDA KENKICHI
SEKIYA TETSUO
UCHIDA HIROYUKI
UMEDA KENKICHI
SEKIYA TETSUO
Application Number:
JP1187577A
Publication Date:
August 25, 1978
Filing Date:
February 05, 1977
Export Citation:
Assignee:
SONY CORP
International Classes:
G01P3/483; G01P3/44; H02P5/00; H02P29/00; (IPC1-7): G01P3/44; H02P5/00