-
1.Telemeter system for measuring distances by means of modulated light 失效
Title translation: 遥测仪系统,用于通过调制光测量距离公开(公告)号:US2930278A
公开(公告)日:1960-03-29
申请号:US63653757
申请日:1957-01-28
Applicant: ZEISS CARL
Inventor: GERHARD HANSEN , HANS PLESSE
IPC: G01S17/08
CPC classification number: G01S17/08
-
2.Optical arrangement for determining the ratio of two light fluxes 失效
Title translation: 用于确定两个光通量比的光学布置公开(公告)号:US2849912A
公开(公告)日:1958-09-02
申请号:US55411755
申请日:1955-11-21
Applicant: ZEISS CARL
Inventor: HANS PLESSE , HEINZ FRANKE
CPC classification number: G01N21/255 , G01J1/36
-
公开(公告)号:US3014401A
公开(公告)日:1961-12-26
申请号:US80725659
申请日:1959-04-17
Applicant: ZEISS CARL
Inventor: HANS PLESSE , ERWIN WIEDMANN
IPC: G01J3/42
CPC classification number: G01J3/42
-
-