JPS6199072U - - Google Patents
Info
- Publication number
- JPS6199072U JPS6199072U JP18463384U JP18463384U JPS6199072U JP S6199072 U JPS6199072 U JP S6199072U JP 18463384 U JP18463384 U JP 18463384U JP 18463384 U JP18463384 U JP 18463384U JP S6199072 U JPS6199072 U JP S6199072U
- Authority
- JP
- Japan
- Prior art keywords
- time
- measuring
- reset
- flip
- flop circuit
- 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
- 230000035945 sensitivity Effects 0.000 claims 4
- 238000005259 measurement Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Description
図面はいずれも本考案の実施例を示すもので、
第１図はブロツク図、第２図は動作を説明するタ
イムチヤートである。
主な記号、２，３…フリツプフロツプ回路、４
…ダイオード、６…メインクロツクパルス数計数
カウンタ（メインカウンタ）、７…サブクロツク
パルス数計数カウンタ（サブカウンタ）、８…演
算部。
All drawings show examples of the present invention.
FIG. 1 is a block diagram, and FIG. 2 is a time chart explaining the operation. Main symbols, 2, 3...Flip-flop circuit, 4
... Diode, 6... Main clock pulse number counting counter (main counter), 7... Sub clock pulse number counting counter (sub counter), 8... Arithmetic unit.
Claims (1)
目標物での反射信号の入射時までの時間を計測し
、この時間から目標物までの距離を測定するよう
にした距離測定装置に於いて、測距用信号の投射
時にセツトされ、反射信号の入射時に、当該反射
信号の入射レベルがそのリセツト入力受感レベル
に達したときリセツトされるようになした第１の
フリツプフロツプ回路と、反射信号の入射レベル
を上記第１のフリツプフロツプ回路のリセツト入
力受感レベルに等しい値だけ下げるレベル低減手
段と、リセツト入力受感レベルが上記第１のフリ
ツプフロツプ回路のリセツト入力受感レベルと同
等であり、かつ測距用信号の投射時にセツトされ
、上記レベル低減手段の出力信号レベルがそのリ
セツト入力受感レベルに達したときリセツトされ
る第２のフリツプフロツプ回路と、上記第１のフ
リツプフロツプ回路がセツトされてからリセツト
されるまでの時間を計測する第１の時間計測手段
と、上記第１のフリツプフロツプ回路がリセツト
されてから上記第２のフリツプフロツプ回路がリ
セツトされるまでの時間を計測する第２の時間計
測手段と、上記第１の時間計測手段での計測時間
から上記第２の時間計測手段での計測時間を差引
く演算手段を有する距離測定装置。 ２ レベル低減手段が入射信号の伝播方向に対し
て順方向となるように接続したダイオードである
実用新案登録請求の範囲第１項に記載の距離測定
装置。[Claims for Utility Model Registration] 1. Measuring the time from when a distance measurement signal is projected to when the reflected signal of the distance measurement signal is incident on a target object, and measuring the distance to the target object from this time. In a distance measuring device configured to do this, the setting is set when a distance measuring signal is projected, and is reset when the reflected signal reaches its reset input sensitivity level when the reflected signal is incident. a first flip-flop circuit with a reset input sensitivity level of the first flip-flop circuit; a second flip-flop circuit which is equal to the input sensitivity level and is set when the ranging signal is projected and is reset when the output signal level of the level reducing means reaches the reset input sensitivity level; a first time measuring means for measuring the time from when the first flip-flop circuit is set until it is reset; and a first time measuring means for measuring the time from when the first flip-flop circuit is reset to when the second flip-flop circuit is reset. A distance measuring device comprising: a second time measuring means for measuring time; and an arithmetic means for subtracting the time measured by the second time measuring means from the time measured by the first time measuring means. 2. The distance measuring device according to claim 1, wherein the level reducing means is a diode connected in the forward direction with respect to the propagation direction of the incident signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18463384U JPS6199072U (en) | 1984-12-05 | 1984-12-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18463384U JPS6199072U (en) | 1984-12-05 | 1984-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6199072U true JPS6199072U (en) | 1986-06-25 |
Family
ID=30742118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18463384U Pending JPS6199072U (en) | 1984-12-05 | 1984-12-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6199072U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49112652A (en) * | 1973-02-23 | 1974-10-26 | ||
| JPS5934372B2 (en) * | 1977-11-26 | 1984-08-22 | ティーディーケイ株式会社 | Ultrasonic imaging device |
-
1984
- 1984-12-05 JP JP18463384U patent/JPS6199072U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49112652A (en) * | 1973-02-23 | 1974-10-26 | ||
| JPS5934372B2 (en) * | 1977-11-26 | 1984-08-22 | ティーディーケイ株式会社 | Ultrasonic imaging device |
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