JPS61145971U - - Google Patents
Info
- Publication number
- JPS61145971U JPS61145971U JP2890485U JP2890485U JPS61145971U JP S61145971 U JPS61145971 U JP S61145971U JP 2890485 U JP2890485 U JP 2890485U JP 2890485 U JP2890485 U JP 2890485U JP S61145971 U JPS61145971 U JP S61145971U
- Authority
- JP
- Japan
- Prior art keywords
- detection circuit
- circuit
- detects
- directional deviation
- deviation detection
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Instructional Devices (AREA)
Description
第１図は本考案の一実施例に係る方位計のブロ
ツク図。第２図、第３図は、第１図に示す方位計
の動作を示すタイムチヤート図。第４図、第５図
は、車両の走行方向の軌跡を示す走行軌跡図。
２……走行方向検出回路、１４……比較回路、
１６……指定方向記憶器、１８ａ・１８ｂ・１８
ｃ……走行ずれ検出回路、２６……発音回路。
FIG. 1 is a block diagram of a direction meter according to an embodiment of the present invention. 2 and 3 are time charts showing the operation of the compass shown in FIG. 1. FIG. 4 and FIG. 5 are traveling trajectory diagrams showing the trajectory of the vehicle in the traveling direction. 2... Traveling direction detection circuit, 14... Comparison circuit,
16...Specified direction memory device, 18a, 18b, 18
c... Running deviation detection circuit, 26... Sound generation circuit.
Claims (1)
、走行開始起点から見た到達目的地の方向を予め
記憶した指定方向記憶回路と、前記走行方向検出
回路にて検出された方向と前記指定方向記憶回路
にて記憶された方向とをそれぞれ異なつた少なく
とも２種類の一致精度で一致しているか否か比較
する比較回路と、前記一致精度の低い一致信号に
より一定時間間隔内に一定時間以上前記２つの方
向の不一致の状態が続いたことを検出する第１の
方向ずれ検出回路と、前記一致精度の高い一致信
号により前記第１の方向ずれ検出回路より長い一
定時間間隔内で前記第１の方向ずれ検出回路より
長い一定時間以上前記２つの方向の不一致の状態
が続いたことを検出する第２の方向ずれ検出回路
と、を少なくとも設け、さらに前記各方向ずれ検
出回路のいずれかの出力信号により警報音を発生
する発生回路と、を設けたことを特徴とする方位
計。 A running direction detection circuit that detects the running direction of the vehicle, a designated direction storage circuit that stores in advance the direction of the destination as seen from the starting point of travel, and a storage of the direction detected by the traveling direction detection circuit and the designated direction. a comparison circuit that compares the directions stored in the circuit to see if they match with at least two different types of matching accuracy; a first directional deviation detection circuit that detects that a state of direction mismatch continues; and a first directional deviation detection circuit that detects the first directional deviation within a longer fixed time interval than the first directional deviation detection circuit based on the highly accurate matching signal. at least a second direction deviation detection circuit for detecting that the state of mismatch between the two directions has continued for a certain period of time longer than the detection circuit; A direction meter characterized by being provided with a generation circuit that generates sound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2890485U JPS61145971U (en) | 1985-02-28 | 1985-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2890485U JPS61145971U (en) | 1985-02-28 | 1985-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61145971U true JPS61145971U (en) | 1986-09-09 |
Family
ID=30527222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2890485U Pending JPS61145971U (en) | 1985-02-28 | 1985-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61145971U (en) |
-
1985
- 1985-02-28 JP JP2890485U patent/JPS61145971U/ja active Pending
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