FR669729A - Improvements to optical comparators - Google Patents

Improvements to optical comparators

Info

Publication number
FR669729A
FR669729A FR669729DA FR669729A FR 669729 A FR669729 A FR 669729A FR 669729D A FR669729D A FR 669729DA FR 669729 A FR669729 A FR 669729A
Authority
FR
France
Prior art keywords
optical comparators
comparators
optical
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)
Inventor
James Hartness
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 filed Critical
Application granted granted Critical
Publication of FR669729A publication Critical patent/FR669729A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/0004—Microscopes specially adapted for specific applications
    • G02B21/0016—Technical microscopes, e.g. for inspection or measuring in industrial production processes
FR669729D 1929-02-16 1929-02-16 Improvements to optical comparators Expired FR669729A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR669729T 1929-02-16

Publications (1)

Publication Number Publication Date
FR669729A true FR669729A (en) 1929-11-20

Family

ID=9015885

Family Applications (1)

Application Number Title Priority Date Filing Date
FR669729D Expired FR669729A (en) 1929-02-16 1929-02-16 Improvements to optical comparators

Country Status (1)

Country Link
FR (1) FR669729A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1214419B (en) * 1962-04-03 1966-04-14 Ernst Borchers Projector for performing fine-technical work
US6118832A (en) * 1997-01-24 2000-09-12 France Telecom Multiple-sensor equalization in a radio receiver
US7277052B2 (en) 2003-07-25 2007-10-02 Thales Method for the multistatic detection and locating of a mobile craft through the use of digital broadcasting transmitters

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1214419B (en) * 1962-04-03 1966-04-14 Ernst Borchers Projector for performing fine-technical work
US6118832A (en) * 1997-01-24 2000-09-12 France Telecom Multiple-sensor equalization in a radio receiver
US7277052B2 (en) 2003-07-25 2007-10-02 Thales Method for the multistatic detection and locating of a mobile craft through the use of digital broadcasting transmitters

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