Method and arrangement for determining the adjusted magnification step in ophthalmologic instruments, particularly slit lamps

Method and arrangement for determining the adjusted magnification step in ophthalmologic instruments, particularly slit lamps

The present invention is directed to a method and an arrangement for automatic detection, documentation and reproduction of the adjusted magnification. The magnification steps are read off at the rotational axis of the magnification changer, monitored by a control unit and stored for reproducing the...

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Hauptverfasser: LUTHER EGON, SPRUCK BERND, KOSCHMIEDER INGO
Format: Patent
Sprache:eng
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DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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creator LUTHER EGON
SPRUCK BERND
KOSCHMIEDER INGO
description The present invention is directed to a method and an arrangement for automatic detection, documentation and reproduction of the adjusted magnification. The magnification steps are read off at the rotational axis of the magnification changer, monitored by a control unit and stored for reproducing the magnification setting. For this purpose, a cylinder is arranged on the rotational axis of the magnification changer, this cylinder having a quantity of magnets with radially oriented magnetic fields which divide the cylinder into segments. An arrangement of sensors which are fixedly connected to the housing is located opposite from these magnets for detection of their magnetic fields. The quantity and arrangement of sensors correspond to the quantity and arrangement of magnets. The solution supports a comprehensive computer-assisted control of the instruments and offers the possibility of defined standardized sequences. Further, it is possible to let the magnification step be adapted to the observation task automatically or to ensure remote control capability through voice control.
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subjects DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
title Method and arrangement for determining the adjusted magnification step in ophthalmologic instruments, particularly slit lamps
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