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FR1358363A - New improvements to control devices, in particular to devices for checking the symmetry of a part or the position of a measuring device - Google Patents

New improvements to control devices, in particular to devices for checking the symmetry of a part or the position of a measuring device

Info

Publication number
FR1358363A
FR1358363A FR889364A FR889364A FR1358363A FR 1358363 A FR1358363 A FR 1358363A FR 889364 A FR889364 A FR 889364A FR 889364 A FR889364 A FR 889364A FR 1358363 A FR1358363 A FR 1358363A
Authority
FR
France
Prior art keywords
devices
symmetry
checking
measuring device
new improvements
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
FR889364A
Other languages
French (fr)
Inventor
Deramond
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.)
Direction General de lArmement DGA
Gouvernement de la Republique Francaise
Original Assignee
Delegation Ministerielle pour lArmement
Gouvernement de la Republique Francaise
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 Delegation Ministerielle pour lArmement, Gouvernement de la Republique Francaise filed Critical Delegation Ministerielle pour lArmement
Priority to FR889364A priority Critical patent/FR1358363A/en
Application granted granted Critical
Publication of FR1358363A publication Critical patent/FR1358363A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/18—Arrangements with more than one light path, e.g. for comparing two specimens

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR889364A 1962-02-27 1962-02-27 New improvements to control devices, in particular to devices for checking the symmetry of a part or the position of a measuring device Expired FR1358363A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR889364A FR1358363A (en) 1962-02-27 1962-02-27 New improvements to control devices, in particular to devices for checking the symmetry of a part or the position of a measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR889364A FR1358363A (en) 1962-02-27 1962-02-27 New improvements to control devices, in particular to devices for checking the symmetry of a part or the position of a measuring device

Publications (1)

Publication Number Publication Date
FR1358363A true FR1358363A (en) 1964-04-17

Family

ID=8773609

Family Applications (1)

Application Number Title Priority Date Filing Date
FR889364A Expired FR1358363A (en) 1962-02-27 1962-02-27 New improvements to control devices, in particular to devices for checking the symmetry of a part or the position of a measuring device

Country Status (1)

Country Link
FR (1) FR1358363A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045141A (en) * 1975-06-13 1977-08-30 Hitachi, Ltd. Photoelectric microscope
US4386851A (en) 1979-09-17 1983-06-07 Eidorff Stig Kaare Instrument for measuring or marking out distances from a line or a plane
US7230754B2 (en) * 2003-08-15 2007-06-12 Meade Instruments Corp. Neutral white-light filter device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4045141A (en) * 1975-06-13 1977-08-30 Hitachi, Ltd. Photoelectric microscope
US4386851A (en) 1979-09-17 1983-06-07 Eidorff Stig Kaare Instrument for measuring or marking out distances from a line or a plane
US7230754B2 (en) * 2003-08-15 2007-06-12 Meade Instruments Corp. Neutral white-light filter device
US7408706B2 (en) 2003-08-15 2008-08-05 Meade Instruments Corp. Neutral white-light filter device

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