Laser_Eye_Protection_-_Personnel_Protective_Equipment_(PPE)_Slides_FBO Industry_Day.pdf

Helmet Mounted Displays

UNCLASSIFIED

JHMCS Day Helmet Mounted Display

• 20° FOV visor projected symbology

• Two uplook reticles for operator cueing

• Monochrome CRT generated symbology

• Right eye only

• Display Unit mounted on helmet

• Nominal Eye Relief (ER): 50 mm – allows for use of spectacles and visor between eyes and display optic.

• Maximum ER before FOV is degraded:

approximately 72 mm.

• HGU‐55/P LIGHT WEIGHT

JHMCS Night Vision Cueing Device

• NVG Scene = 40 degrees

• Symbology FOV = 20 degrees

• Exit Pupil = 4 mm

• Nominal Eye Relief (ER) = 33mm from surface of eyepiece to eye.

• Maximum ER before FOV is degraded = not yet tested

• Utilizes a Stepped‐In Visor for eye protection

• Tilt Adjustment Range: more than 10 degrees when IPD is more than 57mm and between 0 degrees to +5 degrees when IPD is between 52mm to 57mm

• Interpupillary Adjustments: between 57 and 72 mm

• Vertical Adjustment range: between ‐10mm to +10mm when IPD is more than 57mm

• Vertical Adjustment range: between ‐ 10mm and +2mm when IPD is less than 57mm

• Fore/Aft Adjustment range: between ‐10mm to +10mm when IPD is more than 57mm

• Fore/Aft Adjustment range:

• between ‐10mm and +2mm when IPD is less than 57mm

• HGU‐55/P LIGHT WEIGHT

AN/AVS‐9 Night Vision Goggle

• NVG FOV: 40 °

• Symbology FOV: none

• Exit Pupil/Eye Box: none

• Nominal Eye Relief (ER): 25mm

• Maximum ER before FOV is degraded: minimal

• ANVIS Mount – optional item

• Laser Interference Filter on objective lens

• Interpupillary Adjustments:

between 51 and 72 mm

• Vertical Adjustment range:

25mm total travel

• Fore/Aft Adjustment range:

26mm total travel

• Tilt: ±5° from central position

• Utilizes a Bungee Visor for eye protection

ANVIS‐7/GIDEON NIGHT MONOCHROME

HUD

• Symbology FOV: 32° X 24 ° rectangular

• Add on to AN/AVS‐9 to Objective Lens

• Right or Left monocular

• Nominal Eye Relief (ER): 25mm – allows for use of spectacles and visor between eyes and night vision goggle eyepiece

• Maximum ER before FOV is degraded: FOV of symbology has very minimal degradation.

ELBIT DAY MONOCHROME HUD

• Symbology FOV: 25° measured diagonally

• Attaches to standard ANVIS mount

• Right eye only

• Exit Pupil: >12mm

• Utilizes current NVG mount on helmet

• Nominal Eye Relief (ER): 50mm – allows for use of spectacles and visor between eyes and display optic.

• Maximum ER before FOV is degraded:

currently under test

ELBIT NIGHT MONOCHROME HUD

• Symbology FOV: 23° measured diagonally

• Add on to AN/AVS‐9 to Objective Lens

• Right or Left monocular

• Nominal Eye Relief (ER): 25mm

– allows for use of spectacles and visor between eyes and night vision goggle eyepiece

• Maximum ER before FOV is degraded: FOV of symbology has very minimal degradation

ELBIT DAY COLOR HMD

• Symbology FOV: 23° measured diagonally

• Exit Pupil: 20mm

• Right eye only

• Utilizes current NVG mount on helmet

• Nominal Eye Relief (ER): 50mm – allows for use of spectacles and visor between eyes and display optic.

• Maximum ER before FOV is degraded: currently under test

• Pupillary Adjustments: 10mm

• Vertical Adjustment range: 25mm total travel using ANVIS Mount

• Fore/Aft Adjustment range: 26mm total travel

• Tilt: ±5° from central position

ELBIT NIGHT COLOR HMD

• One for one replacement of standard AN/AVS‐9 Eyepiece

• NVG FOV: 40 °

• Symbology FOV: 23° measured diagonally

• Exit Pupil/Eye Box: currently under test

• Nominal Eye Relief (ER): 25mm – identical to NVG.

• Maximum ER before FOV is degraded: currently under test

• Interpupillary Adjustments:

between 51 and 72 mm

• Vertical Adjustment range: 25mm total travel

• Fore/Aft Adjustment range: 26mm total travel

• Tilt: ±5° from central position

Thales Avionics Optimized TopOwl Day HUD

• Symbology FOV: 40° measured diagonally, NBC FOV 38 °

• Attaches to right side of helmet

• Right eye symbology only

• Exit Pupil: >12mm

• Nominal Eye Relief (ER): 25mm – allows for use of spectacles and visor between eyes and display optic.

• Maximum ER before FOV is degraded: at approximately 32mm.

• HMD requires head scanning with custom liner and fitting pieces.

• CRT generated symbology with combiner in front of right eye.

• Clear ballistic visor between eyes and display module delivered with all new helmets per contract.

• Ballistic Visor Eye Relief: approximately 14mm.

• IPD: 52‐72mm LEP Ballistic visor for self protection only is also available – after market.

Also delivered with an outer neutral density visor for increase in contrast of display.

Thales Avionics Optimized TopOwl Night

HUD

• Symbology FOV: 40°

• Mechanical and Electrical add on to AN/AVS‐9 on Objective Lens side of

NVG

• Right monocular only

• Nominal Eye Relief (ER): 25mm – allows for use of spectacles and visor between eyes and night vision goggle eyepiece.

• Maximum ER before FOV is degraded: FOV of symbology degrades as ER is increased.

• HMD requires head scanning with custom liner and fitting pieces.

• CRT generated symbology with combiner in front of NVG right objective lens

• Ballistic Visor Eye Relief:

approximately 14mm.

• Clear ballistic visor between eyes and NVG delivered with all new helmets per contract.

LEP Ballistic visor for self protection only is also available – after market.