JPS55135707A - Running tracking system - Google Patents

Running tracking system

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Publication number
JPS55135707A
JPS55135707A JP4471779A JP4471779A JPS55135707A JP S55135707 A JPS55135707 A JP S55135707A JP 4471779 A JP4471779 A JP 4471779A JP 4471779 A JP4471779 A JP 4471779A JP S55135707 A JPS55135707 A JP S55135707A
Authority
JP
Japan
Prior art keywords
distance
average
electromotive force
analog
gates
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
JP4471779A
Other languages
Japanese (ja)
Inventor
Eizo Mori
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 Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP4471779A priority Critical patent/JPS55135707A/en
Publication of JPS55135707A publication Critical patent/JPS55135707A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To enable to display the mobile object such as cars on the display unit corresponding to a map, by obtaining the movement distance of the mark indicating the present location on the map through gating the distance pulse in the time interval converting the analog angle information.
CONSTITUTION: In obtaining X and Y axis component of the moving distance of a mobile object, the analog angular information is converted into analog time length, and the distance pulse produced in response to the movement of the mobile object in the time distance is obtained through the gates 86, 86'. On the other hand, the gates 86, 86' are controlled as follows: That is, the AC electromotive force from the geomagnetism detection section is in synchronous detection at the synchronizing signal (the frequency is the same as that of the AC electromotive force) to obtain the average DC voltage. Further, the AC elecromotive force is in half wave rectification 61, this half wave rectified signal is fed to the analog switch to obtain the average DC electromotive force through the detection of the rectangular wave signal in synchronizing with the AC electromotive force and the rectangular wave signal in opposite phase with it. Further, the gates 86, 86' are opend in the ratio of the average DC voltage to the average DC electromotive voltage, the distance pulse train passing is integrated to obtain the moving distance of the X and Y axis components.
COPYRIGHT: (C)1980,JPO&Japio
JP4471779A 1979-04-11 1979-04-11 Running tracking system Pending JPS55135707A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4471779A JPS55135707A (en) 1979-04-11 1979-04-11 Running tracking system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4471779A JPS55135707A (en) 1979-04-11 1979-04-11 Running tracking system

Publications (1)

Publication Number Publication Date
JPS55135707A true JPS55135707A (en) 1980-10-22

Family

ID=12699162

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4471779A Pending JPS55135707A (en) 1979-04-11 1979-04-11 Running tracking system

Country Status (1)

Country Link
JP (1) JPS55135707A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013192289A (en) * 2012-03-12 2013-09-26 Hitachi Ltd Electric energy acquisition method and system for celestial body magnetic field

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013192289A (en) * 2012-03-12 2013-09-26 Hitachi Ltd Electric energy acquisition method and system for celestial body magnetic field

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