FR669729A - Perfectionnements aux comparateurs optiques - Google Patents

Perfectionnements aux comparateurs optiques

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
English (en)
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/fr
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

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR669729D 1929-02-16 1929-02-16 Perfectionnements aux comparateurs optiques Expired FR669729A (fr)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=9015885

Family Applications (1)

Application Number Title Priority Date Filing Date
FR669729D Expired FR669729A (fr) 1929-02-16 1929-02-16 Perfectionnements aux comparateurs optiques

Country Status (1)

Country Link
FR (1) FR669729A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1214419B (de) * 1962-04-03 1966-04-14 Ernst Borchers Projektor fuer die Durchfuehrung feinwerk-technischer Arbeiten
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 (de) * 1962-04-03 1966-04-14 Ernst Borchers Projektor fuer die Durchfuehrung feinwerk-technischer Arbeiten
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

Similar Documents

Publication Publication Date Title
FR694073A (fr) Perfectionnements aux gyroscopes
FR669729A (fr) Perfectionnements aux comparateurs optiques
FR696573A (fr) Perfectionnements aux réflecteurs de lumière
FR689473A (fr) Perfectionnements aux micro-téléphones
FR695148A (fr) Perfectionnements apportés aux stylographes
FR680659A (fr) Perfectionnements aux grues
FR681247A (fr) Perfectionnements aux couveuses
FR660919A (fr) Perfectionnements aux pyromètres optiques
FR695027A (fr) Perfectionnements apportés aux lunettes
FR698675A (fr) Perfectionnements apportés aux gyrostats
FR699757A (fr) Perfectionnements aux systèmes optiques
FR36371E (fr) Perfectionnements apportés aux crics
FR690626A (fr) Perfectionnements aux assemblages
FR690234A (fr) Perfectionnements aux phonographes
FR670778A (fr) Perfectionnements apportés aux pinces
FR687513A (fr) Perfectionnements aux tubes lumineux
FR699376A (fr) Compensateur optique
FR678190A (fr) Photomicrophone électro-optique
FR700520A (fr) Perfectionnements aux remblayeuses mécaniques
FR669914A (fr) Perfectionnements apportés aux treuils
FR681182A (fr) Perfectionnements aux systèmes optiques
FR671648A (fr) Perfectionnements aux poulies-palans
FR680775A (fr) Perfectionnements apportés aux panetons
FR692958A (fr) Perfectionnements aux hydro-glisseurs
FR704572A (fr) Perfectionnements apportés aux synchronoscopes