公开(公告)号：JPS53124456A

公开(公告)日：1978-10-30

申请号：JP3916177

申请日：1977-04-06

Applicant: NIPPON ELECTRON OPTICS LAB

Inventor： ENOKIDO EITAROU ,  ISHIHAMA MASARU

IPC: G01J3/45 ,  G01J3/453

Abstract: PURPOSE:To produce an accurate sampling start signal by performing the detection of interference light in a zero level and forming the sampling start signal through the use of a zero level detection signal and an orginary VA (reference voltage) level signal.

公开(公告)号：JPS5284765A

公开(公告)日：1977-07-14

申请号：JP121876

申请日：1976-01-07

Applicant: NIPPON ELECTRON OPTICS LAB ,  NIPPON STEEL CORP

Inventor： MURATA YUUJI ,  MATSUMOTO MITSURU ,  ISHIHAMA MASARU

IPC: G01B5/00 ,  G01B15/02 ,  G01N23/06

Abstract: PURPOSE:To move smoothly and accurately the shielding plates by keeping constant the tension of driving wires.

公开(公告)号：JPS5162062A

公开(公告)日：1976-05-29

申请号：JP13693174

申请日：1974-11-28

Applicant: Nippon Electron Optics Lab ,  Nippon Steel Corp

Inventor： ISHIHAMA MASARU ,  MURATA JUJI ,  MATSUMOTO MITSURU

IPC: G01B15/02 ,  G01B15/04 ,  G01N23/06