| (84) |
Designated Contracting States: |
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DE |
| (30) |
Priority: |
04.02.1999 JP 2791999
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| (43) |
Date of publication of application: |
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09.08.2000 Bulletin 2000/32 |
| (73) |
Proprietor: Keyence Corporation |
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Osaka-shi,
Osaka 533-8555 (JP) |
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| (72) |
Inventors: |
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- Inagaki, Daisuke,
c/o Keyence Corporation
Osaka-shi,
Osaka 533-8555 (JP)
- Ikushima, Yasuhisa,
c/o Keyence Corporation
Osaka-shi,
Osaka 533-8555 (JP)
|
| (74) |
Representative: HOFFMANN EITLE |
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Patent- und Rechtsanwälte
Arabellastrasse 4 81925 München 81925 München (DE) |
| (56) |
References cited: :
EP-A- 0 159 364 GB-A- 2 238 151
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WO-A-98/22909
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