FR843506A - Improvements in instruments measuring or transmitting differences in the surface or position of a body - Google Patents

Improvements in instruments measuring or transmitting differences in the surface or position of a body

Info

Publication number
FR843506A
FR843506A FR843506DA FR843506A FR 843506 A FR843506 A FR 843506A FR 843506D A FR843506D A FR 843506DA FR 843506 A FR843506 A FR 843506A
Authority
FR
France
Prior art keywords
instruments measuring
differences
transmitting
transmitting differences
instruments
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carl Zeiss AG
Original Assignee
Carl Zeiss AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Carl Zeiss AG filed Critical Carl Zeiss AG
Application granted granted Critical
Publication of FR843506A publication Critical patent/FR843506A/en
Expired legal-status Critical Current

Links

FR843506D 1937-09-15 1938-09-15 Improvements in instruments measuring or transmitting differences in the surface or position of a body Expired FR843506A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE843506X 1937-09-15

Publications (1)

Publication Number Publication Date
FR843506A true FR843506A (en) 1939-07-05

Family

ID=6773230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR843506D Expired FR843506A (en) 1937-09-15 1938-09-15 Improvements in instruments measuring or transmitting differences in the surface or position of a body

Country Status (1)

Country Link
FR (1) FR843506A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439406A (en) * 1943-03-15 1948-04-13 Eugene F Martinec Gauging-device actuated light-beam responsive selecting apparatus
US2674805A (en) * 1949-05-06 1954-04-13 Schaurte Paul Variable limit comparator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439406A (en) * 1943-03-15 1948-04-13 Eugene F Martinec Gauging-device actuated light-beam responsive selecting apparatus
US2674805A (en) * 1949-05-06 1954-04-13 Schaurte Paul Variable limit comparator

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