PHYSICAL QUANTITY DETECTING CIRCUIT, PHYSICAL QUANTITY DETECTION DEVICE, PHYSICAL QUANTITY MEASUREMENT SYSTEM, ELECTRONIC APPARATUS, MOVABLE BODY AND PHYSICAL QUANTITY MEASUREMENT DATA GENERATION METHOD

• Main Authors: YONEZAWA TAKEMI, NOZAWA TOSHIYUKI
• Format: Patent
• Language: English; Japanese
• Published: 19.11.2015
• Subjects: INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT; MEASURING; MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK; PHYSICS; SIGNALLING; TESTING; TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS

PROBLEM TO BE SOLVED: To provide a physical quantity detecting circuit, a physical quantity detection device, a physical quantity measurement system, an electronic apparatus, a movable body and a physical quantity measurement data generation method capable of reducing power consumption as a whole system.SOLUTION: A physical quantity detecting circuit 1 includes: a detection signal generation section 10 generating a detection signal corresponding to physical quantity at a first rate (1) on the basis of an output signal of an inertia sensor 100; an arithmetic processing section 20 performing arithmetic processing on the basis of the detection signal; a measurement data hold section 30 holding measurement data on the basis of the detection signal; and a measurement completion flag generation section 40 generating and outputting a measurement completion flag at a second rate (2) lower than the first rate (1). 【課題】システム全体としての消費電力を低減できる、物理量検出用回路、物理量検出装置、物理量計測システム、電子機器、移動体及び物理量計測データ生成方法を提供すること。【解決手段】物理量検出用回路１は、慣性センサー１００の出力信号に基づき物理量に応じた検出信号を第１レート（１）で生成する検出信号生成部１０と、前記検出信号に基づく演算処理を行う演算処理部２０と、前記検出信号に基づき計測データを保持する計測データ保持部３０と、第１レート（１）よりも低い第２レート（２）で計測完了フラグを生成して出力する計測完了フラグ生成部４０と、を含む。【選択図】図１