JPS57169881A - Pedometer - Google Patents

Pedometer

Info

Publication number
JPS57169881A
JPS57169881A JP5542181A JP5542181A JPS57169881A JP S57169881 A JPS57169881 A JP S57169881A JP 5542181 A JP5542181 A JP 5542181A JP 5542181 A JP5542181 A JP 5542181A JP S57169881 A JPS57169881 A JP S57169881A
Authority
JP
Japan
Prior art keywords
upward
walking
waveform
pass filter
low
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP5542181A
Other languages
Japanese (ja)
Inventor
Kazuhiko Yugawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP5542181A priority Critical patent/JPS57169881A/en
Publication of JPS57169881A publication Critical patent/JPS57169881A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C22/00—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers
    • G01C22/006—Pedometers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M7/00—Counting of objects carried by a conveyor

Abstract

PURPOSE:To count paces accurately without reference to an individual difference and walking conditions by detecting the speeds of upward and downward movement speed of the body as analog waveforms, and then extracting only pitch components of walking through a low-pass filter and counting them. CONSTITUTION:When a pendulum 1 oscillates by the upward and downward motion of the body, a magnet 8 fitted atop of it passes by a coil 10 to obtain the signal (a) of detection 100 which corresponds to the upward and downward acceleration of the body as an analog waveform. This detection signal (a) is amplified at a part 200 and then a low-pass filter 300 extracts the smooth waveform (b) of only the pitch components of walking; and a waveform shaping circuit 400 consisting of a comparator, etc., converts it into a rectangular wave (c), which is counted by a trailing counter 500.
JP5542181A 1981-04-13 1981-04-13 Pedometer Pending JPS57169881A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5542181A JPS57169881A (en) 1981-04-13 1981-04-13 Pedometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5542181A JPS57169881A (en) 1981-04-13 1981-04-13 Pedometer

Publications (1)

Publication Number Publication Date
JPS57169881A true JPS57169881A (en) 1982-10-19

Family

ID=12998103

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5542181A Pending JPS57169881A (en) 1981-04-13 1981-04-13 Pedometer

Country Status (1)

Country Link
JP (1) JPS57169881A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1019789A1 (en) * 1997-10-02 2000-07-19 Personal Electronic Devices, Inc. Measuring foot contact time and foot loft time of a person in locomotion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1019789A1 (en) * 1997-10-02 2000-07-19 Personal Electronic Devices, Inc. Measuring foot contact time and foot loft time of a person in locomotion
EP1019789A4 (en) * 1997-10-02 2011-12-28 Nike International Ltd Measuring foot contact time and foot loft time of a person in locomotion

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