CH392925A - Dispositif pour déterminer la netteté de l'image d'un objet formée par un système optique et utilisation de ce dispositif
- Google Patents
Dispositif pour déterminer la netteté de l'image d'un objet formée par un système optique et utilisation de ce dispositif
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Publication number
CH392925A
CH392925ACH437862ACH437862ACH392925ACH 392925 ACH392925 ACH 392925ACH 437862 ACH437862 ACH 437862ACH 437862 ACH437862 ACH 437862ACH 392925 ACH392925 ACH 392925A
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Application filed by Logetronics IncfiledCriticalLogetronics Inc
Publication of CH392925ApublicationCriticalpatent/CH392925A/fr
G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
G03B3/10—Power-operated focusing
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Investigating Materials By The Use Of Optical Means Adapted For Particular Applications
(AREA)
CH437862A1961-04-101962-04-10Dispositif pour déterminer la netteté de l'image d'un objet formée par un système optique et utilisation de ce dispositif
CH392925A
(fr)