| 发明名称 |
FOCUS ADJUSTING DEVICE IN OPTICAL MEASURING APPARATUS |
| 摘要 |
PURPOSE:In an apparatus of measuring the width, etc. of strip form objects by projecting the light deflecting at a predetermined angle to a continuous strip form object travelling in its longitudinal direction and receiving the feedbaxk light therefrom, the adjustment of focus is performed by equidistantly moving a light source and light receiving element in the direction of optical axis. |
| 申请公布号 |
JPS5266447(A) |
申请公布日期 |
1977.06.01 |
| 申请号 |
JP19750141638 |
申请日期 |
1975.11.28 |
| 申请人 |
NIPPON KOKUYU TETSUDO;HITACHI DENSHI ENJINIARINGU KK;MAMIYA KOUKI KK;HITACHI SEISAKUSHO KK |
发明人 |
HORIKI KENJI;ICHIKAWA MATSUTAROU;YASUMATSU EISAKU;IRISAWA KUNIO;TSUKADA KAZUYA;IWATANI FUKUO;ABE SHINJI |
| 分类号 |
G03B13/36;G01B11/00;G01B11/04;G01N21/89;G01N21/892;G02B7/28;G02B27/40 |
主分类号 |
G03B13/36 |
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