JPS61199875A - 金属球検出装置 - Google Patents
金属球検出装置Info
- Publication number
- JPS61199875A JPS61199875A JP4250885A JP4250885A JPS61199875A JP S61199875 A JPS61199875 A JP S61199875A JP 4250885 A JP4250885 A JP 4250885A JP 4250885 A JP4250885 A JP 4250885A JP S61199875 A JPS61199875 A JP S61199875A
- Authority
- JP
- Japan
- Prior art keywords
- metal ball
- magnetic
- detection device
- magnet
- magnetic sensor
- 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
- 239000002184 metal Substances 0.000 title claims description 67
- 230000005291 magnetic effect Effects 0.000 claims description 71
- 238000001514 detection method Methods 0.000 claims description 44
- 230000004907 flux Effects 0.000 claims description 24
- 230000002159 abnormal effect Effects 0.000 claims description 7
- 239000000696 magnetic material Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 7
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 239000003302 ferromagnetic material Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Electronic Switches (AREA)
- Pinball Game Machines (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4250885A JPS61199875A (ja) | 1985-03-04 | 1985-03-04 | 金属球検出装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4250885A JPS61199875A (ja) | 1985-03-04 | 1985-03-04 | 金属球検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61199875A true JPS61199875A (ja) | 1986-09-04 |
JPH0563194B2 JPH0563194B2 (enrdf_load_stackoverflow) | 1993-09-10 |
Family
ID=12638002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4250885A Granted JPS61199875A (ja) | 1985-03-04 | 1985-03-04 | 金属球検出装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61199875A (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6443284A (en) * | 1987-08-12 | 1989-02-15 | Sophia Co Ltd | Hit ball winning device of pinball machine |
US6198276B1 (en) | 1997-02-19 | 2001-03-06 | Nec Corporation | Ferromagnetic-ball sensor using a magnetic field detection element |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6020276U (ja) * | 1983-07-20 | 1985-02-12 | オムロン株式会社 | 金属球検出装置 |
-
1985
- 1985-03-04 JP JP4250885A patent/JPS61199875A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6020276U (ja) * | 1983-07-20 | 1985-02-12 | オムロン株式会社 | 金属球検出装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6443284A (en) * | 1987-08-12 | 1989-02-15 | Sophia Co Ltd | Hit ball winning device of pinball machine |
US6198276B1 (en) | 1997-02-19 | 2001-03-06 | Nec Corporation | Ferromagnetic-ball sensor using a magnetic field detection element |
Also Published As
Publication number | Publication date |
---|---|
JPH0563194B2 (enrdf_load_stackoverflow) | 1993-09-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |