[go: up one dir, main page]

Frederiksen et al., 2012 - Google Patents

Eye safety for scanning laser projection systems

Frederiksen et al., 2012

Document ID
9297016195344687939
Author
Frederiksen A
Fieß R
Stork W
Bogatscher S
Heußner N
Publication year
Publication venue
Biomedizinische Technik/Biomedical Engineering

External Links

Snippet

In the growing field of pico-projectors, laser-based scanning systems may be advantageous over DLP-or LCoS-based imagers due to their potential for miniaturization, enhanced optical efficiency and cost reduction. The high energy density of a combined laser beam can …
Continue reading at www.degruyterbrill.com (other versions)

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B27/00Other optical systems; Other optical apparatus
    • G02B27/01Head-up displays
    • G02B27/017Head mounted
    • G02B27/0172Head mounted characterised by optical features
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B27/00Other optical systems; Other optical apparatus
    • G02B27/01Head-up displays
    • G02B27/0101Head-up displays characterised by optical features
    • G02B2027/0138Head-up displays characterised by optical features comprising image capture systems, e.g. camera
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/16Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring intraocular pressure, e.g. tonometers
    • A61B3/165Non-contacting tonometers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/113Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining or recording eye movement

Similar Documents

Publication Publication Date Title
US9366861B1 (en) Laser particle projection system
Frederiksen et al. Eye safety for scanning laser projection systems
US10721459B2 (en) Scanning projectors and image capture modules for 3D mapping
US8801178B2 (en) Fundus photographing apparatus
US7428320B2 (en) Iris imaging using reflection from the eye
US7676061B2 (en) Laser safety system
EP4226238A1 (en) Methods of driving light sources in a near-eye display
KR20210049868A (en) Method for detecting the eye's gaze direction
US8998413B2 (en) Measurement apparatus, ophthalmologic imaging apparatus, control method, and storage medium
CN104545793B (en) A kind of contactless breakup time of tear film measuring device and method
WO2010071110A1 (en) Head-mounted display
NZ537849A (en) Direct Retinal Display projecting a scanned optical beam via diverging and converging reflectors
JP6123221B2 (en) Application support system for skin external preparation, application support method, and program
US20100157256A1 (en) Image projection device and rear projection type display device
US10984236B2 (en) System and apparatus for gaze tracking
EP2163101A1 (en) Laser scanning projection device
US11830396B2 (en) Display apparatus
WO2022016895A1 (en) Laser radar and detection method thereof
JP2014087067A (en) Electronic device, in particular telecommunication device including projection unit and method for operating electronic device
CN218413090U (en) Laser collimation adjusting device
EP4167017A1 (en) Display apparatus
JP4070128B2 (en) Display device and display method
JP2007086266A (en) Optical unit and image display device
JP2017227903A (en) Method and device for projecting image with improved safety
US12064182B2 (en) Chart display device for visual acuity tests