公开(公告)号：US3584509A

公开(公告)日：1971-06-15

申请号：US3584509D

申请日：1968-10-01

Applicant: INT HARVESTER CO

Inventor： COMPTON WILLIAM A ,  GAYLORD ALBERT MARSHALL

IPC: G01J5/04 ,  G02B5/14

CPC classification number: G01J5/0022 ,  G01J5/0088 ,  G01J5/02 ,  G01J5/029 ,  G01J5/041 ,  G01J5/044 ,  G01J5/048 ,  G01J5/08 ,  G01J5/0821 ,  G01J5/28

Abstract: Temperature measuring apparatus employing a gas collimator and a photovoltaic detector, methods of measuring temperature therewith, and temperature control and indicating systems employing the same.