JPS5716307A - Electronic type odometer for vehicle - Google Patents

Electronic type odometer for vehicle

Info

Publication number
JPS5716307A
JPS5716307A JP9071280A JP9071280A JPS5716307A JP S5716307 A JPS5716307 A JP S5716307A JP 9071280 A JP9071280 A JP 9071280A JP 9071280 A JP9071280 A JP 9071280A JP S5716307 A JPS5716307 A JP S5716307A
Authority
JP
Japan
Prior art keywords
counter
switch
power source
nonvolatile memory
distance data
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
JP9071280A
Other languages
Japanese (ja)
Inventor
Hidetaka Suzuki
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co 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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP9071280A priority Critical patent/JPS5716307A/en
Publication of JPS5716307A publication Critical patent/JPS5716307A/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
    • G01C22/02—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers by conversion into electric waveforms and subsequent integration, e.g. using tachometer generator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K21/00—Details of pulse counters or frequency dividers
    • H03K21/40—Monitoring; Error detection; Preventing or correcting improper counter operation
    • H03K21/403—Arrangements for storing the counting state in case of power supply interruption

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Distances Traversed On The Ground (AREA)

Abstract

PURPOSE:To prevent the vanishment of a running distance data, by a method wherein, when the disconnection of a power source is previously detected, an integrated running distance data in a counter is transferred from the counter to a nonvolatile memory. CONSTITUTION:A switch 1a is positioned in parallel to a key switch 1. With a cover of a spot, where a battery, working as a power source, is housed, opened, the switch 1a is brought into OFF. When the key switch 1 is turned ON and OFF, a controller 2 transfers an integrated running data drom from a nonvolatile memory 5 to a counter 6 and from the counter 6 to the nonvolatile memory 5. In case the key switch 1 is in an ON condition, and if the switch 1a is turned OFF, the controller 2 transfers the integrated running distance data in the counter 6 to the nonvolatile memory 5, and simultaneously, opens a power source switch 3 to suspend applying a power source voltage to each constitution device.
JP9071280A 1980-07-04 1980-07-04 Electronic type odometer for vehicle Pending JPS5716307A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9071280A JPS5716307A (en) 1980-07-04 1980-07-04 Electronic type odometer for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9071280A JPS5716307A (en) 1980-07-04 1980-07-04 Electronic type odometer for vehicle

Publications (1)

Publication Number Publication Date
JPS5716307A true JPS5716307A (en) 1982-01-27

Family

ID=14006139

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9071280A Pending JPS5716307A (en) 1980-07-04 1980-07-04 Electronic type odometer for vehicle

Country Status (1)

Country Link
JP (1) JPS5716307A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2551202A1 (en) * 1983-08-24 1985-03-01 Veglia E D KILOMETRIC TOTALIZER WITH NON-VOLATILE MEMORY
WO2008096713A1 (en) 2007-02-05 2008-08-14 Nippon Shokubai Co., Ltd. Granular water absorber and method of producing the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2551202A1 (en) * 1983-08-24 1985-03-01 Veglia E D KILOMETRIC TOTALIZER WITH NON-VOLATILE MEMORY
US4630293A (en) * 1983-08-24 1986-12-16 E.D. Veglia Mileage totalizer with non volatile memory
WO2008096713A1 (en) 2007-02-05 2008-08-14 Nippon Shokubai Co., Ltd. Granular water absorber and method of producing the same

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