JPS57146185A - Electronic wristwatch with accelometer - Google Patents

Electronic wristwatch with accelometer

Info

Publication number
JPS57146185A
JPS57146185A JP56031685A JP3168581A JPS57146185A JP S57146185 A JPS57146185 A JP S57146185A JP 56031685 A JP56031685 A JP 56031685A JP 3168581 A JP3168581 A JP 3168581A JP S57146185 A JPS57146185 A JP S57146185A
Authority
JP
Japan
Prior art keywords
accelometer
electronic wristwatch
acceleration
locus
tip
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
JP56031685A
Other languages
Japanese (ja)
Inventor
Kunio Yasue
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.)
Ricoh Elemex Corp
Original Assignee
Ricoh Elemex Corp
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 Ricoh Elemex Corp filed Critical Ricoh Elemex Corp
Priority to JP56031685A priority Critical patent/JPS57146185A/en
Publication of JPS57146185A publication Critical patent/JPS57146185A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G21/00—Input or output devices integrated in time-pieces
    • G04G21/02—Detectors of external physical values, e.g. temperature

Abstract

PURPOSE:To obtain the electronic wristwatch with the accelometer having a simple constitution, by displaying the acceleration signal through a magnetism sensitie switch which responds to the locus of the tip of the pendulum formed by a permanent magnet. CONSTITUTION:The magnetism sensitive switch elements 31-34, which respond to the locus of the tip of the pendulum 2 formed by the permenant magnet of an acceleration detecting circuit 1, are provided in an symmetrical arrangement. The time interval between the detected outputs of said elements are measured by a measuring circuit 8 based on the oscillating frequency of a crystal oscillator 9. Based on said measured values, a computing circuit 10 computes the acceleration, and it is displayed on the display part 13 through a decoder 11 and a driver 12. Thus the electronic wristwatch with the accelometer having the simple constitution is obtained.
JP56031685A 1981-03-05 1981-03-05 Electronic wristwatch with accelometer Pending JPS57146185A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56031685A JPS57146185A (en) 1981-03-05 1981-03-05 Electronic wristwatch with accelometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56031685A JPS57146185A (en) 1981-03-05 1981-03-05 Electronic wristwatch with accelometer

Publications (1)

Publication Number Publication Date
JPS57146185A true JPS57146185A (en) 1982-09-09

Family

ID=12337935

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56031685A Pending JPS57146185A (en) 1981-03-05 1981-03-05 Electronic wristwatch with accelometer

Country Status (1)

Country Link
JP (1) JPS57146185A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0310319U (en) * 1989-06-09 1991-01-31

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0310319U (en) * 1989-06-09 1991-01-31

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