Flight training hood

Claim 2

A flight training hood for limiting the vision of a pilot to the instrument control panel of his aircraft, comprising: hood means; bistable, voltage controlled, lens means suitably secured to said hood means in a transverse relationship with respect to the line of sight of a wearer thereof, said lens means having a first state of transparency permitting the wearer to visually communicate therethrough, and operable to a second state of opacity for affecting visual communication; light receiving transducer means operatively associated with the movement of said hood means for monitoring light from a predetermined area of space with respect to said hood means; means for channeling light to said light receiving means, for restricting the reception of light by said light receiving means to directional light reception and for receiving directional light from an area of space lying substantially along a predetermined line of sight of the wearer; electrical circuitry means cooperable with said light receiving means for voltage controlling said lens means, said circuitry means including means for providing a reference level corresponding to substantially the light intensity coming from the control panel of the aircraft and said circuitry means actuating said lens means to said second state responsive to a light intensity monitored by said light receiving means greater than said light intensity corresponded by said reference level, said lens means remaining in said first state with monitored light intensities below or equal to said light intensity corresponded by said reference level.

Claim 3

A flight training hood according to claim 1 and further including vision checking means for checking the wearer's peripheral vision in the area of said predetermined line of sight to substantially said predetermined line of sight to engage movement of said hood means for a greater peripheral viewing by the wearer.

Claim 4

A device according to claim 2 wherein said vision checking means includes a bill section projecting outwardly from above said lens means.

Claim 5

A device according to claim 1 and further including manual switching means for maintaining said lens means in said transparent state despite the level of intensity monitored by said light receiving means.

Claim 6

A flight training hood for limiting the vision of a pilot to the instrument control panel of his aircraft, comprising: hood means; bistable, voltage controlled, lens means suitably secured to said hood means in a transverse relationship with respect to the line of sight of a wearer thereof, said lens means having a first state of transparency permitting the wearer to visually communicate therethrough, and operable to a second state of opacity for affecting visual communication; directional light receiving means operatively associated with the movement of said hood means, for monitoring directional light coming from a predetermined area of space with respect to said hood means, said predetermined area of space lying substantially along a predetermined line of sight of the wearer; electrical circuitry means cooperable with said light receiving means for voltage controlling said lens means, said circuitry means including means for providing a reference level corresponding to substantially the light intensity coming from the control panel of the aircraft and said circuitry means actuating said lens means to said second state responsive to a light intensity monitored by said light receiving means greater than said light intensity corresponded by said reference level, said lens means remaining in said first state with monitored light intensities below or equal to said light intensity corresponded by said reference level; and vision checking means for checking the wearer's peripheral vision in the area of said predetermined line of sight to substantially said predetermined line of sight peripheral viewing by the wearer.

Claim 7

A flight training hood for limiting the vision of a pilot to the instrument control panel of his aircraft, comprising: hood means; bistable, voltage controlled, lens means suitably secured to said hood means in a transverse relationship with respect to the line of sight of a wearer thereof, said lens means having a first state of transparency permitting the wearer to visually communicate therethrough, and operable to a second state of opacity for affecting visual communication; directional light receiving means operatively associated with the movement of said hood means, for monitoring directional light coming from a predetermined area of space with respect to said hood means, said predetermined area of space lying substantially along a predetermined line of sight of the wearer; electrical circuitry means cooperable with said light receiving means for voltage controlling said lens means, said circuitry means including means for providing a reference level corresponding to substantially the light intensity coming from the control panel of the aircraft and said circuitry means actuating said lens means to said second state responsive to a light intensity monitored by said light receiving means greater than said light intensity corresponded by said reference level, said lens means remaining in said first state with monitored light intensities below or equal to said light intensity corresponded by said reference level; and vision checking means for checking the wearer's peripheral vision in the area of said predetermined line of sight to substantially said predetermined line of sight peripheral viewing by the wearer.

Claim 8

A device according to claim 5 wherein said vision checking means includes a bill section projecting outwardly from above said lens means.

Claim 9

A device according to claim 6 wherein said bill section projects transversely with respect to said predetermined line of sight.

Claim 10

A device according to claim 5 wherein said vision checking means is formed by a low positioning of said lens means with respect to the wearer's line of sight, for causing the wearer's area of vision to be less above than that below a level eyeball line of sight.

Claim 11

A device according to claim 5 wherein said reference level is manually settable.

Claim 12

A device according to claim 5 wherein said lens means includes a liquid crystal lens.

Claim 13

A device according to claim 5 wherein said directional light receiving means includes: light receiving transducer means; and means for channeling light to said light receiving transducer means for restricting the reception of light by said light receiving means to directional light reception.

Claim 14

A flight training hood for limiting the vision of a pilot to the instrument control panel of his aircraft, comprising: hood means; bistable, voltage controlled, lens means suitably secured to said hood means in a transverse relationship with respect to the line of sight of a wearer thereof, said lens means having a first state of transparency permitting the wearer to visually communicate therethrough, and operable to a second state of opacity for affecting visual communication; directional light receiving means operatively associated with the movement of said hood means, for monitoring directional light coming from a predetermined area of space with respect to said hood means, said predetermined area of space lying substantially along a predetermined line of sight of the wearer; electrical circuitry means cooperable with said light receiving means for voltage controlling said lens means, said circuitry means including means for providing a reference level corresponding to substantially the light intensity coming from the control panel of the aircraft and said circuitry means actuating said lens means to said second state responsive to a light intensity monitored by said light receiving means greater than said light intensity corresponded by said reference level, said lens means remaining in said first state with monitored light intensities below or equal to said light intensity corresponded by said reference level; and manual switching means for maintaining said lens means in said transparent state despite the level of intensity monitored by said light receiving means.

Claim 15

A flight training hood for limiting the vision of a pilot to the instrument control panel of his aircraft, comprising: hood means; bistable, voltage controlled, lens means suitably secured to said hood means in a transverse relationship with respect to the line of sight of a wearer thereof, said lens means having a first state of transparency permitting the wearer to visually communicate therethrough, and operable to a second state of opacity for affecting visual communication; directional light receiving means operatively associated with the movement of said hood means, for monitoring directional light coming from a predetermined area of space with respect to said hood means, said predetermined area of space lying substantially along a predetermined line of sight of the wearer; electrical circuitry means cooperable with said light receiving means for voltage controlling said lens means, said circuitry means including means for providing a reference level corresponding to substantially the light intensity coming from the control panel of the aircraft and said circuitry means actuating said lens means to said second state responsive to a light intensity monitored by said light receiving means greater than said light intensity corresponded by said reference level, said lens means remaining in said first state with monitored light intensities below or equal to said light intensity corresponded by said reference level; and manual switching means for maintaining said lens means in said transparent state despite the level of intensity monitored by said light receiving means.

Claim 16

A device according to claim 12 wherein said switching means is disposed on the outside of said hood means for manual switching by the wearer thereof.

Claim 17

A flight training hood for limiting the vision of a pilot to the instrument control panel of his aircraft, comprising: hood means; bistable, voltage controlled, liquid crystal lens means suitably secured to said hood means in a transverse relationship with respect to the line of sight of a wearer thereof, said lens means having a first state of transparency permitting the wearer to visually communicate therethrough, and operable to a second state of opacity for affecting visual communication, said lens means further including: a light emitting diode positioned to the wearer's side of said lens means for reflection thereon providing opaqueness when said lens is in said second state; and a light shield positioned to obstruct direct light from said light emitting diode passing to the eyes of the wearer; directional light receiving means operatively associated with the movement of said hood means, for monitoring directional light coming from a predetermined area of space with respect to said hood means, said predetermined area of space lying substantially along a predetermined line of sight of the wearer; and electrical circuitry means cooperable with said light receiving means for voltage controlling said lens means, said circuitry means including means for providing a reference level corresponding to substantially the light intensity coming from the control panel of the aircraft and said circuitry means actuating said lens means to said second state responsive to a light intensity monitored by said light receiving means greater than said light intensity corresponded by said reference level, said lens means remaining in said first state with monitored light intensities below or equal to said light intensity corresponded by said reference level.

Claim 18

A flight training hood for limiting the vision of a pilot to the instrument control panel of his aircraft, comprising: hood means; bistable, voltage controlled, liquid crystal lens means suitably secured to said hood means in a transverse relationship with respect to the line of sight of a wearer thereof, said lens means having a first state of transparency permitting the wearer to visually communicate therethrough, and operable to a second state of opacity for affecting visual communication, said lens means further including: a light emitting diode positioned to the wearer's side of said lens means for reflection thereon providing opaqueness when said lens is in said second state; and a light shield positioned to obstruct direct light from said light emitting diode passing to the eyes of the wearer; directional light receiving means operatively associated with the movement of said hood means, for monitoring directional light coming from a predetermined area of space with respect to said hood means, said predetermined area of space lying substantially along a predetermined line of sight of the wearer; and electrical circuitry means cooperable with said light receiving means for voltage controlling said lens means, said circuitry means including means for providing a reference level corresponding to substantially the light intensity coming from the control panel of the aircraft and said circuitry means actuating said lens means to said second state responsive to a light intensity monitored by said light receiving means greater than said light intensity corresponded by said reference level, said lens means remaining in said first state with monitored light intensities below or equal to said light intensity corresponded by said reference level.