JPS6150208U - - Google Patents
Info
- Publication number
- JPS6150208U JPS6150208U JP13270285U JP13270285U JPS6150208U JP S6150208 U JPS6150208 U JP S6150208U JP 13270285 U JP13270285 U JP 13270285U JP 13270285 U JP13270285 U JP 13270285U JP S6150208 U JPS6150208 U JP S6150208U
- Authority
- JP
- Japan
- Prior art keywords
- outputs
- circuit
- signals
- output signal
- sign
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Measuring Magnetic Variables (AREA)
Description
図面はこの考案に係る方角表示装置の一実施例
を示すもので、第１図は地磁気検知部の原理動作
説明図、第２図は表示部の略図、第３図及び第４
図は表示方式の説明図、第５図は処理部の回路図
、第６図は係数器の回路図、第７図は判断回路の
回路図である。
１…磁気センサ、８…判断回路、２１，２２…
増幅器、３１〜３８…発光素子、７１，７６…絶
対値回路、７２，７７…符号判定器、７３，７８
…係数器、７４，７９…比較器。なお、図中同一
符号は同一または相当部分を示す。
The drawings show an embodiment of the direction display device according to the invention, in which Fig. 1 is an explanatory diagram of the principle operation of the geomagnetism detection section, Fig. 2 is a schematic diagram of the display section, and Figs. 3 and 4.
5 is a circuit diagram of a processing section, FIG. 6 is a circuit diagram of a coefficient unit, and FIG. 7 is a circuit diagram of a judgment circuit. 1... Magnetic sensor, 8... Judgment circuit, 21, 22...
Amplifier, 31 to 38... Light emitting element, 71, 76... Absolute value circuit, 72, 77... Sign determiner, 73, 78
... Coefficient unit, 74, 79... Comparator. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
記検出軸方向成分に対応した電気出力ｅｘ及びｅ
ｙを出力する磁気センサと、この磁気センサの出
力ｅｘ，ｅｙを増幅し、出力ｅｘ，ｅｙに対応し
た直流電気信号Ｖｘ，Ｖｙを出力する増幅回路と
、上記直流電気信号Ｖｘ，Ｖｙの絶対値を得る絶
対値回路と、上記直流電気信号Ｖｘ，Ｖｙの正負
を判定する符号判定器と、上記絶対値回路の出力
に、検出地点を中心にしてその角度を分割して形
成する複数の領域の各境界線の傾きに対応した係
数を乗じる係数器と、この係数器の出力信号と上
記絶対値回路の出力信号との大小を判定する比較
回路と、上記符号判定器の出力信号及び上記比較
回路の出力信号の組合わせに基づいて上記直流電
気信号Ｖｘ，Ｖｙが上記複数の領域中のどの領域
にあるかを判定する判断回路と、この判断回路の
出力により上記複数の領域に対応して点灯制御さ
れる複数の方角表示素子を有する表示部とを備え
た方角表示装置。 It has two detection axes that are substantially perpendicular to each other, and electric outputs ex and e corresponding to the components of the external magnetic field in the direction of the detection axis.
a magnetic sensor that outputs y; an amplifier circuit that amplifies the outputs ex, ey of this magnetic sensor and outputs DC electrical signals Vx, Vy corresponding to the outputs ex, ey; and absolute values of the DC electrical signals Vx, Vy. an absolute value circuit for determining the sign of the DC electric signals Vx, Vy, and a sign determiner for determining whether the DC electric signals Vx, Vy are positive or negative; a coefficient multiplier that multiplies the slope of each boundary line by a coefficient; a comparison circuit that determines the magnitude of the output signal of the coefficient multiplier and the output signal of the absolute value circuit; and the output signal of the sign determiner and the comparison circuit a determination circuit that determines in which region of the plurality of regions the DC electric signals Vx, Vy are located based on a combination of output signals; and lighting corresponding to the plurality of regions based on the output of the determination circuit. A direction display device comprising: a display section having a plurality of direction display elements to be controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985132702U JPH0124565Y2 (en) | 1985-08-28 | 1985-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985132702U JPH0124565Y2 (en) | 1985-08-28 | 1985-08-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6150208U true JPS6150208U (en) | 1986-04-04 |
| JPH0124565Y2 JPH0124565Y2 (en) | 1989-07-25 |
Family
ID=30691263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985132702U Expired JPH0124565Y2 (en) | 1985-08-28 | 1985-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0124565Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50151558A (en) * | 1974-05-27 | 1975-12-05 | ||
| JPS6044606A (en) * | 1983-08-15 | 1985-03-09 | ハ−エルペ−エム・ホランド・ベシュトロ−テン・フエンノットシャフト | Vibrating fluid power motor |
-
1985
- 1985-08-28 JP JP1985132702U patent/JPH0124565Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50151558A (en) * | 1974-05-27 | 1975-12-05 | ||
| JPS6044606A (en) * | 1983-08-15 | 1985-03-09 | ハ−エルペ−エム・ホランド・ベシュトロ−テン・フエンノットシャフト | Vibrating fluid power motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0124565Y2 (en) | 1989-07-25 |
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