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1. 发明专利

JP2000283727A DEVICE FOR INSPECTING PLYWOOD MANUFACTURING 失效
公开(公告)号：JP2000283727A
公开(公告)日：2000-10-13
申请号：JP9184699
申请日：1999-03-31
申请人： JAPAN RADIO CO LTD
发明人： TOMITA MASATSUNE , ISHIDA NOBORU
IPC分类号： G01B11/02
摘要： PROBLEM TO BE SOLVED: To accurately inspect by making an optical range finder perform scanning at an angle forward in the direction of advance of a belt conveyer with the passage of time to absorb locational displacements due to transfer by the belt conveyer and measuring the line profile of a cross section orthogonal to the direction of transfer. SOLUTION: A belt conveyer 1 is moved at all times, and an optical range finder moving mechanism 12 makes an optical range finder perform scanning at an angle forward in the direction of advance in synchronization with the movement of the belt conveyer 1 for detecting the line profile of a cross section orthogonal to the direction of transfer. Then in the case that the distance a-b of an optical range finder moving frame 13 is set to be L1, the distance b-c is set to be L2, the distance c-a is set to be L3, and the moving speed of the belt conveyer 1 is set to be S2, the moving speed S1 is S1=(L1×S2)/L2 from L1/S1=L2/S2 to obtain the line profile of a cross section orthogonal to the direction of transfer. Therefore, the data of the moving speed S2 is inputted to a part for computing the moving speed of a range finder to compute the moving speed S1, and the range finer is moved by the moving mechanism 12.

2. 发明专利

JPH11237237A STEEL INSPECTION DEVICE 失效
公开(公告)号：JPH11237237A
公开(公告)日：1999-08-31
申请号：JP5423398
申请日：1998-02-20
申请人： JAPAN RADIO CO LTD
发明人： ISHIDA NOBORU , TOMITA MASATSUNE
IPC分类号： G01B11/16 , G01B21/20
摘要： PROBLEM TO BE SOLVED: To discriminate bending of steel conveyed by roller from winding and prevent erroneous detection and accurately detect, by correcting the position shift due to moving, and measuring the displacement in shorter-side direction detecting the bending of long steel. SOLUTION: Distance sensors 41-1 to 41-3 and position detection sensors 42-1 to 42-n are arranged in parallel to the convey direction of the steel 2 with an equal interval (d). A control part 43 controls altogether. A data process part 44 inputs distance measurement information from distance sensors 41-1 to 41-3 as data and outputs steel bend detection data. A memory part 45 stores detected data outputted from the data process part 44. By this, bend is detected on the basis of actual moving distance and displacement of the steel, and so accurate detection is always possible. Since it is constituted to correct the position shift due to moving, erroneous detection is prevented.

3. 发明专利

JPH11351831A VENEER MANUFACTURE INSPECTION APPARATUS 失效
公开(公告)号：JPH11351831A
公开(公告)日：1999-12-24
申请号：JP17211898
申请日：1998-06-05
申请人： JAPAN RADIO CO LTD
发明人： ISHIDA NOBORU , TOMITA MASATSUNE
IPC分类号： G01B11/06
摘要： PROBLEM TO BE SOLVED: To provide a veneer manufacture inspection apparatus capable of a high accuracy detection wherein erroneous detection due to vibrations of a belt conveyer, etc., is avoidable. SOLUTION: A first perpendicular light refractor 15 mounted on a light emitter of a light emitting device 14 for refracting light incident from a mirror mounted on the top end thereof vertically from above to a belt conveyer right angles at its top end and second perpendicular light refractor 17 mounted on a light receptor of a light receiving device 18 for refracting a detected incident from a mirror mounted on the top end thereof from above vertically to a belt conveyer right angles at its top end to emit it to the light receptor are provided.

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