JPS58126872U - golf practice equipment - Google Patents
golf practice equipmentInfo
- Publication number
- JPS58126872U JPS58126872U JP2372382U JP2372382U JPS58126872U JP S58126872 U JPS58126872 U JP S58126872U JP 2372382 U JP2372382 U JP 2372382U JP 2372382 U JP2372382 U JP 2372382U JP S58126872 U JPS58126872 U JP S58126872U
- Authority
- JP
- Japan
- Prior art keywords
- outputs
- zero
- crossing
- circuit
- golf practice
- 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
Landscapes
- Golf Clubs (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の一実施例のゴルフ練習器の斜視図、
第２図はそのモデ／Ｌ／、化した磁気センサとモデル化
したクラブヘッドとの相互関係図、第３図はその電気回
路ブロック図、第４図は各出力信号のタイミングチャー
ト図である。
図において、ｌａ、ｌｂは夫々信号自己発生型の磁気セ
ンサ、２ａ、２ｂは夫々増幅回路、３ａ。
３ｂは夫々ゼロクロス弁別回路、１０は計数回路として
のバイナリ−カウンタ、１１は演算回路、１２は表示部
である。−FIG. 1 is a perspective view of a golf practice device according to an embodiment of this invention.
FIG. 2 is a diagram showing the interaction between the modeled magnetic sensor and the modeled club head, FIG. 3 is a block diagram of its electric circuit, and FIG. 4 is a timing chart of each output signal. In the figure, la and lb are signal self-generating magnetic sensors, 2a and 2b are amplifier circuits, and 3a. 3b is a zero-cross discrimination circuit, 10 is a binary counter as a counting circuit, 11 is an arithmetic circuit, and 12 is a display section. −
Claims (1)
検出信号を発する少なくとも２個の磁気センサと、これ
らの磁気センサからの出力を夫々入力して増幅信号を出
力する増幅回路と、これらの増幅回路からの出力を夫々
入力してゼロレベルとの交点を検出してゼロクロス信号
を出力するゼロクロス弁別回路と、これらのゼロクロス
弁別回路からのゼロクロス信号相互間の時間差を計数す
る計数回路と、上記磁気センサ相互間距離に基づいて、
上記時間差からクラブヘッドスピードを演算処理して出
力する演算回路と、この演算回路からの演算結果を表示
する表示部とを備えてなるゴルフ練習器。at least two magnetic sensors that detect the movement state of the club head during swing and emit a detection signal, an amplifier circuit that inputs the outputs from these magnetic sensors and outputs an amplified signal, and from these amplifier circuits. a zero-crossing discriminator circuit that inputs the outputs of each of the above, detects the intersection with the zero level, and outputs a zero-crossing signal; a counting circuit that counts the time difference between the zero-crossing signals from these zero-crossing discriminating circuits; Based on the distance between
A golf practice device comprising: a calculation circuit that calculates and outputs a club head speed based on the time difference; and a display section that displays calculation results from the calculation circuit.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2372382U JPS58126872U (en) | 1982-02-22 | 1982-02-22 | golf practice equipment |
| GB08227734A GB2110544B (en) | 1981-09-30 | 1982-09-29 | Golf trainer |
| GB08501824A GB2150841B (en) | 1981-09-30 | 1985-01-24 | Golf trainer |
| US06/792,625 US4615526A (en) | 1981-09-30 | 1985-10-25 | Computing golf trainer with magnetic sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2372382U JPS58126872U (en) | 1982-02-22 | 1982-02-22 | golf practice equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58126872U true JPS58126872U (en) | 1983-08-29 |
Family
ID=30035745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2372382U Pending JPS58126872U (en) | 1981-09-30 | 1982-02-22 | golf practice equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58126872U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5143165U (en) * | 1974-09-26 | 1976-03-30 |
-
1982
- 1982-02-22 JP JP2372382U patent/JPS58126872U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5143165U (en) * | 1974-09-26 | 1976-03-30 |
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