JPS55116206A - Detecting apparatus for moving state of ball or the like - Google Patents
Detecting apparatus for moving state of ball or the likeInfo
- Publication number
- JPS55116206A JPS55116206A JP2494379A JP2494379A JPS55116206A JP S55116206 A JPS55116206 A JP S55116206A JP 2494379 A JP2494379 A JP 2494379A JP 2494379 A JP2494379 A JP 2494379A JP S55116206 A JPS55116206 A JP S55116206A
- Authority
- JP
- Japan
- Prior art keywords
- light
- ball
- parts
- speed
- emitting
- 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
Abstract
PURPOSE: To provide a more highly precise detection of moving state of an object by differing the light frequencies of adjacent light sources from each other so that each light-receiving element on a band-pass filter senses only the light from the opposite light source.
CONSTITUTION: In a judging apparatus for the course and speed of the ball thrown by a baseball pitcher, the first and the second ball-sensers 1 and 2, which are installed on a square holding frame 3, consist of vertical light-emitting parts 4 and 8 and light-receiving parts 5 and 9, and horizontal light-emitting parts 6 and 10 and light-receiving parts 7 and 11. In the figure, the vertical light-emitting parts 4 and 8 consist of 16 light-emitting elements 12, and the horizontal ones 6 and 10, 25 of those 16. When an object passes through the net-like space 14 which consists of these elements, the lights to the light-receiving parts 5, 9, 7, and 11 are interrupted, so that the position of a ball is shown by the interrupted region, the speed of the ball is measured by the time difference between the first and second detectors 1 and 2, and a zone display 22 and a speed display 23 are effected.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2494379A JPS6010562B2 (en) | 1979-03-03 | 1979-03-03 | Passing position detection device for balls, etc. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2494379A JPS6010562B2 (en) | 1979-03-03 | 1979-03-03 | Passing position detection device for balls, etc. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55116206A true JPS55116206A (en) | 1980-09-06 |
| JPS6010562B2 JPS6010562B2 (en) | 1985-03-18 |
Family
ID=12152104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2494379A Expired JPS6010562B2 (en) | 1979-03-03 | 1979-03-03 | Passing position detection device for balls, etc. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6010562B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6057210A (en) * | 1983-09-09 | 1985-04-03 | Anritsu Corp | Photodetecting discriminating device |
| JPS6191517A (en) * | 1984-10-12 | 1986-05-09 | Oval Eng Co Ltd | Flowmeter transmitter |
| JPS62222105A (en) * | 1986-03-24 | 1987-09-30 | Narumo Kagaku Kikai Kenkyusho:Kk | Apparatus for analyzing activity of specimen such as animal |
| JPH0250608U (en) * | 1989-05-02 | 1990-04-09 | ||
| JPH06274624A (en) * | 1993-03-06 | 1994-09-30 | Sung N Jee | Method and apparatus for detection of change in motion of projected body |
-
1979
- 1979-03-03 JP JP2494379A patent/JPS6010562B2/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6057210A (en) * | 1983-09-09 | 1985-04-03 | Anritsu Corp | Photodetecting discriminating device |
| JPS6191517A (en) * | 1984-10-12 | 1986-05-09 | Oval Eng Co Ltd | Flowmeter transmitter |
| JPS62222105A (en) * | 1986-03-24 | 1987-09-30 | Narumo Kagaku Kikai Kenkyusho:Kk | Apparatus for analyzing activity of specimen such as animal |
| JPH0250608U (en) * | 1989-05-02 | 1990-04-09 | ||
| JPH06274624A (en) * | 1993-03-06 | 1994-09-30 | Sung N Jee | Method and apparatus for detection of change in motion of projected body |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6010562B2 (en) | 1985-03-18 |
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