43results about "Slide projectors" patented technology

A vehicular exterior rearview mirror assembly includes a mirror head accommodating a mirror reflective element and an illumination module, which includes a light source, a first mask, and a second mask. When the light source is powered, emitted light that passes through the first mask is a first color and emitted light that passes through the second mask is a second color. With the mirror assembly mounted at a vehicle, and when the light source is powered to emit light, light emitted by the light source passes through the first mask to project a first projected image onto a ground region and passes through the second mask to project a second projected image onto the ground region. The first projected image includes a first logo portion having the first color, and the second projected image includes a second logo portion having the second color.

The present invention discloses a story projector, used for projecting patterns on a film onto a light-shadow projection surface for display. The story projector includes: a body and a film disc that carries the film, where the body is provided with an insertion slot and a projection aperture, and the film disc is movably inserted into the insertion slot; and the film disc includes a housing and a rotating disc that is rotatably installed within the housing, with the film positioned on the rotating disc and disposed corresponding to the projection aperture. The body includes an optical assembly and a drive assembly located within the body, where the optical assembly emits light towards the projection aperture, and the film is located between the optical assembly and the projection aperture. The technical solutions of the present invention effectively improves the practicality of the story projector.

The invention relates to a method for producing an optical device (1) comprising at least one light source (16), at least one light guide (10) having an entry surface (11) facing the light source (16), and having an exit surface (12) formed at an end of the light guide (10) lying opposite the entry surface (11), in order to allow light entering into the light guide (10) to exit same, and a projection optics (20) which is designed to project the light exiting the exit surface (12) onto a projection plane (26) provided at a distance from and at an angle of inclination (γ) relative to a main direction of emission (Z) of the optical device (1). The method comprises the following steps: specifying a target distribution of the illuminance in the image (15) projected into the projection plane (26) by the projection optics (20); determining a non-homogenous distribution of the illuminance (Ev) of the light across the exit surface (12) from the distribution to be specified of the illuminance in the image (15) projected into the projection plane (26); determining a three-dimensional shape of the at least one light guide (10) with which the non-homogenous distribution of the illuminance (Ev) of the light across the exit surface (12) is generated when light is emitted by the at least one light source (16); and producing the light guide (10) with the three-dimensional shape and assembling the components of the optical device (1).

The invention relates to a method for producing an optical device (1) comprising at least one light source (16), at least one light guide (10) having an entry surface (11) facing the light source (16), and having an exit surface (12) formed at an end of the light guide (10) lying opposite the entry surface (11), in order to allow light entering into the light guide (10) to exit same, and a projection optics (20) which is designed to project the light exiting the exit surface (12) onto a projection plane (26) provided at a distance from and at an angle of inclination (γ) relative to a main direction of emission (Z) of the optical device (1). The method comprises the following steps: specifying a target distribution of the illuminance in the image (15) projected into the projection plane (26) by the projection optics (20); determining a non-homogenous distribution of the illuminance (Ev) of the light across the exit surface (12) from the distribution to be specified of the illuminance in the image (15) projected into the projection plane (26); determining a three-dimensional shape of the at least one light guide (10) with which the non-homogenous distribution of the illuminance (Ev) of the light across the exit surface (12) is generated when light is emitted by the at least one light source (16); and producing the light guide (10) with the three-dimensional shape and assembling the components of the optical device (1).

A light projector including a light source coupled to a base and a lens assembly. A sheath can be overmolded over the base and can form a locator sleeve. An aperture can be overmolded over the light source. The locator sleeve can fix the spatial relationship between the light source and the lens assembly. The lens assembly can include a spacer to fix the spatial relationship between two or more lenses in the lens assembly. A thermal management system can be coupled to the sheath to help reduce the temperature of the light projector.

The invention relates to a lighting device, preferably for a stage, and a method for operating the lighting device. The lighting device is provided with a light source assembly (10) configured to generate visible light radiation of different colors; an optical device (19) configured to process at least a portion of the light radiation emitted by the light source (18) so as to form a light beam extending substantially along an optical axis (O); at least one beam processing element (21) located downstream of the optical device (19) and configured to selectively intercept the light beam; the beam processing element (21) comprising at least one portion (24; 25) movable between several positions; and a control device (13) configured to control the light source assembly (10) based on the position of a movable portion (24; 25) of the beam processing element (21) or based on a parameter associated with the position of the movable portion (24; 25) of the beam processing element (21).

A mouse apparatus with a projection function, which includes a mouse circuit and a light-emitting module. The light-emitting module is electrically connected to the mouse circuit. The light-emitting module includes a light-emitting diode, a projection film, a light source lens module, a free-form surface reflector, and a projection lens module. The light source lens module is arranged between the light-emitting diode and the projection film. The projection lens module is arranged between the projection film and the free-form surface reflector. As a result, the mouse apparatus may have a projection function and may indicate a state and the like.

An improved microlens array projection device is provided for generating light patterns that improve the accuracy of active triangulation-based peripheral recognition systems. The present invention relates to a microlens array projection device (1) for generating a light pattern (6) from light emitted by the light source (2), comprising at least one light source (2), a field lens array (3), a projection lens array (4) and a pattern template arranged between the field lens array (3) and the projection lens array (4) in a light path (5) emerging from the light source (2). The microlens array projection device according to the present invention is characterized in that the pattern template is formed from a microslide array (7) comprising at least two microslides (8), at least one microslide (8) being movable by at least one actuator (9) in a plane (E) perpendicular to an optical axis (OA) between the field lens array (3) and the projection lens array (4).

The present invention discloses a story projector, used for projecting patterns on a film onto a light-shadow projection surface for display. The story projector includes: a body and a film disc that carries the film, where the body is provided with an insertion slot and a projection aperture, and the film disc is movably inserted into the insertion slot; and the film disc includes a housing and a rotating disc that is rotatably installed within the housing, with the film positioned on the rotating disc and disposed corresponding to the projection aperture. The body includes an optical assembly and a drive assembly located within the body, where the optical assembly emits light towards the projection aperture, and the film is located between the optical assembly and the projection aperture. The technical solutions of the present invention effectively improves the practicality of the story projector.

The present invention provides a film disc for a story projector, configured to be inserted into a story projector main body to achieve synchronous playback of images and audio. The film disc includes a housing, a rotating disc, and an audio module. The housing is provided with a projection hole and a driving hole. The rotating disc is rotatably installed in the housing and is provided with a film sheet corresponding to the projection hole, and one side of the rotating disc is provided with a transmission member configured to mesh with a driving assembly of the story projector main body. The audio module includes an audio board and a storage unit, the storage unit stores audio data corresponding to an image on the film sheet, and the audio board is installed on the housing for data interaction with the main body.

Disclosed is a novel laser projector lamp with multiple projection effects, which includes a housing body, a surface lid and a support. The support is arranged at a bottom of the housing body and used for supporting the housing body. The surface lid is arranged on one side of the housing body. The housing body includes a first projection module and a second projection module respectively forming a first light path and a second light path which do not interfere with each other and are perpendicular to each other. The surface lid is provided with a first projection area and a second projection area, a star point pattern formed by the first projection module is projected by the first projection area, and a water wave or cloud pattern formed by the second projection module is projected by the second projection area.

The invention relates to a micro-lens array projection device (1) having at least one light source (2), a field lens array (3), a projection lens array (4) and a pattern template arranged in a light beam path (5) coming from the light source (2) between the field lens array (3) and projection lens array (4) in order to generate a light pattern (6) from the light emitted from the light source (2). The micro-lens array projection device according to the invention is characterised in that the pattern template is formed from a micro-slide array (7) which comprises at least two micro-slides (8), wherein at least one micro-slide (8) can be moved by means of at least one actuator (9) in a plane (E) perpendicular to an optical axis (OA) between the field lens array (3) and the projection lens array (4).

A doorbell system may project an illumination on a surface. The doorbell may include a housing, a button, a camera, a microphone, a speaker, a motion detector, and a light source. In some embodiments, the doorbell includes at least one lens coupled to a bottom surface of the housing adjacent the light source. The at least one lens may be configured to allow light from the light source to pass through the at least one lens such that when the electronic doorbell is attached to a building the light source projects an illumination onto a ground surface in front of the doorbell.

The invention relates to a logo light module, an exterior rear view assembly and a motor vehicle. The present disclosure relates to a logo light module (1) for an exterior rear view assembly (400) of a motor vehicle (500), comprising a projection optical lens stack (3) arranged within a stack holding portion (112) of a housing (10) enclosed by a printed circuit board (12), where the projection optical lens stack (3) comprises a logo sheet or image substrate (18) between at least one first lens (16) and at least one second lens (20), wherein the at least one first lens (16) is arranged between the printed circuit board (12) and the logo sheet or image substrate (18), and the at least one second lens (20) is arranged between the logo sheet or image substrate (18) and the light exit portion (110) of the housing (10). In addition, the disclosure also relates to an exterior rear view assembly having such a logo light module and to a motor vehicle having such an exterior rear view assembly.

The present disclosure relates to a logo lamp module for an external rear view assembly of a motor vehicle comprising a projection optics lens stack arranged within a stack holding portion of a housing closed by a printed circuit board, wherein the projection optics lens stack comprises a logo sheet or image substrate between at least one first lens and at least one second lens, with the at least one first lens being arranged between the printed circuit board and the logo sheet or image substrate, and the at least one second lens being arranged between the logo sheet or image substrate and a light exiting portion of the housing. The logo lamp module further comprises a flow path which is provided by a hole through the printed circuit board and a funnel added to the at least one first lens such that a resin or adhesive applied on the outer surface of the printed circuit board contacts the surface of the logo sheet or image substrate facing the at least one first lens to seal the connection of the printed circuit board and the housing as well as to fix the logo sheet or image substrate within the housing. In addition, the present disclosure relates an external rear view assembly with such a logo lamp module and a motor vehicle with such an external rear view assembly.

1. A projection device (100) for generating dynamic projections, comprising: a unit (101) of a plurality of spatially separated light sources (103-1, ..., 103-n); a collimation optical system (105) for generating parallel beam paths coming from the light sources (103-1, 103-n); and a microlens array unit (107) arranged in the beam path of the collimation optical system (105), in which the focal length of a lens (109-1) on the illumination side (111-1) within the material is greater than the spacing of the lens (109-1) relative to a slide plane (113).

A meta projector includes an edge emitting device configured to emit light through a side surface thereof, a meta-structure layer spaced apart from the upper surface of the edge emitting device that includes a plurality of nanostructures having a sub-wavelength shape dimension smaller than a wavelength of the light emitted from the edge emitting device, and a path changing member configured to change a path of the light emitted from the edge emitting device so as to direct the path toward the meta-structure layer. The meta projector may thus be configured to emit a light pattern of structured light, based on directing the light emitted from the edge emitting device through the meta-structure layer, while having a relatively compact device size.

A road surface rendering device (10) comprises a plurality of light sources (12) that can be turned on individually, a mask (18) including a plurality of transmission windows (20) respectively illuminated by corresponding light sources (12) among the plurality of light sources (12), partitions (22) that partition a space between the plurality of light sources (12) and the mask (18) into a plurality of divisions each including the light source (12) and the transmission window (20) that correspond to each other, and a common projection lens (16) that projects light transmitted from the plurality of light sources (12) through the respectively corresponding transmission windows (20) onto a road surface.

Projector (1) for a vehicle, the projector (1) comprising: - at least one light source (3) designed to emit light, - an arrangement of several lenses (9, 9a, 9b, 9c), wherein - each lens (9a, 9b, 9c) is assigned to a transmitted light image (7a, 7b, 7c) from the multitude of transmitted light images (7, 7a, 7b, 7c) and - the lenses (9, 9a, 9b, 9c) are configured to project the light shining through the corresponding transmitted light images (7a, 7b, 7c) as partial images (11a, 11b, 11c) onto a projection surface (12) such that the individual partial images (11, 11a, 11b, 11c) are projected side by side onto the projection surface (12) and all partial images (11, 11a, 11b, 11c) together produce a complete image (10), characterized in that the projector comprises at least one light guide (4) to direct the light emitted by the at least one light source (3) onto a plurality of transmitted light images (7, 7a, 7b, 7c) and the light guide (4) has an arrangement of output coupling elements (5, 5a, 5b, 5c), and the arrangement of The coupling elements (5, 5a, 5b, 5c) are designed to couple the light out of the optical fiber (4) and in the direction of the transmitted light images (7, 7a, 7b, 7c) in such a way as to couple the light out of the optical fiber (4) and in the direction of the transmitted light images (7, 7a, 7b, 7c),that maximum homogeneity of the overall photographic image (10) is achieved,

Disclosed is a lamp includes a light source that outputs light, and a mask that forms a beam pattern on a road surface as the light output from the light source reaches the mask, any portion of the reaching light is input thereto and then is output therefrom, and the mask includes a long distance area that forms a long distance pattern in the beam pattern on the road surface as long distance light in the light output from the light source reaches the long distance area, and at least a portion of the reaching long distance light is input thereto and then is output therefrom, and a short distance area that forms a short distance pattern in the beam pattern, which is located at a distance that is closer to the mask than the long distance pattern, on the road surface as short distance light in the light output from the light source reaches the short distance area, and any portion of the reaching short distance light is input thereto and then is output therefrom.

A dia for an automotive dia projection system has a transparent substrate with an opaque coating in portions thereof, thereby forming a binary pattern for projection. The pattern features a dither noise microstructure, such that an associated image is projectable giving the perception of a greyscale image to the human viewer.

The utility model discloses a projection device, the projection device comprises at least two projection lamps and a base, the base comprises at least two connecting parts, the at least two connecting parts extend in different directions, and one connecting part is at least provided with one projection lamp. The mounting efficiency and the space utilization rate are improved.

The present disclosure relates to a logo lamp module for an external rear view assembly of a motor vehicle comprising a projection optics lens stack arranged within a stack holding portion of a housing closed by a printed circuit board, wherein the projection optics lens stack comprises a logo sheet or image substrate between at least one first lens and at least one second lens, with the at least one first lens being arranged between the printed circuit board and the logo sheet or image substrate, and the at least one second lens being arranged between the logo sheet or image substrate and a light exiting portion of the housing. The logo lamp module further comprises a flow path which is provided by a hole through the printed circuit board and a funnel added to the at least one first lens such that a resin or adhesive applied on the outer surface of the printed circuit board contacts the surface of the logo sheet or image substrate facing the at least one first lens to seal the connection of the printed circuit board and the housing as well as to fix the logo sheet or image substrate within the housing. In addition, the present disclosure relates an external rear view assembly with such a logo lamp module and a motor vehicle with such an external rear view assembly.

To provide a paddle lamp device for image display capable of making a displayed image sharper while functioning as a paddle lamp to improve resolving power.SOLUTION: A paddle lamp device for image display includes a housing, illumination system lenses which are built in the housing and arrayed one after another in one direction, an image film, and a plurality of image formation system lens, at least one of the plurality of image formation system lenses using a COP (Cycloolefin polymer) raw material. According to the present invention, while the paddle lamp device functions as a paddle lamp, a displayed image can be made sharper and resolving power can be improved.SELECTED DRAWING: Figure 2

The invention relates to a projection device (100) for generating dynamic projections, comprising an arrangement (101) of a plurality of spatially separate light sources (103-1, 103-n); a collimation optical unit (105) for generating a parallel beam path from the light sources (103-1, 103-n); and a microlens array arrangement (107) in the beam path of the collimation lens (105), wherein the focal length of the lenses (109-1) on the illumination side (111-1) in the material is greater than the distance between the lenses (109-1) and a transparency plane (113).

Motor vehicle with one or more headlights, wherein a multi-aperture projection display (10) is provided in a given headlight (12), which includes a light source (1) for illuminating a plurality of object structures (3) and an array of projection lenses (4), wherein each projection lens (4) is assigned to an object structure (3), which is projected by the respective projection lens (4) into a projection plane (5) in the vicinity of the motor vehicle (11), wherein the multi-aperture projection display (10) is configured such that an overall image with a symbol set (SY) is generated by the projected object structures (3) when a projection surface (17) is arranged in the area of ​​the projection plane (5), characterized in that the motor vehicle (11) is equipped to carry out a calibration of the given headlight (12).in which, in the case of the arrangement of the projection surface (17) in the area of ​​the projection plane (5), an image (LB) of the symbol (SY) is captured by means of a camera (13) of the motor vehicle (11) and the actual position (IP) of the symbol (SY) in the captured image (LB) is determined, wherein the actual position (IP) is compared with a target position (SP) of the symbol (SY) and, if a deviation of the actual position (IP) from the target position (SP) of the symbol (SY) is detected, the position of the specified headlight (12) is adjusted depending on this deviation by means of an actuator (15) of the motor vehicle (11) such that in the adjusted position of the specified headlight (12) the actual position (IP) of the symbol (SY) corresponds to the target position (SP).

Light-emitting assembly (20), with at least one first laser light source (22) for generating a first laser beam (32) and at least one second laser light source (24) for generating a second laser beam (34), a translucent scattering body (28) which is arranged in the beam path of the first and second laser beams (32, 34) and at a predetermined distance greater than zero from the first and second laser light sources (22, 24) and which is designed to scatter light of the first laser beam (32) such that a wavelength of a first scattered light (38, 90) is equal to a wavelength of the light of the first laser beam (32), and to scatter light of the second laser beam (34) such that a wavelength of a second scattered light (38, 90) is equal to a wavelength of the light of the second laser beam (34), further comprising one or more dynamically adjustable mirrors (72, 74) which are arranged in a beam path of the first and in a beam path of the second laser beam (32, 34) in front of the scattering body (28) and are designed such that the laser beams (32, 34) can be directed onto the scattering body (28) and positions at which the laser beams strike the scattering body (28) can be changed.

The present disclosure presents infant soothing devices which provide timed, color, and intensity controlled light and sound projections to assist in sleep therapy. The devices may be part of a smart nursery which has a number of electronically connected devices which communicate with a central electronic application to gather information and provide operation instructions to the devices. The smart nursery may be connected to a larger network to provide feedback and controllability outside of the nursery.

A micro-lens array projection device has at least one light source, a field lens array, a projection lens array, and a pattern template arranged in a light beam path coming from the light source between the field lens array and the projection lens array for generating a light pattern from the light emitted by the light source. The pattern template is formed by a microslide array having at least two microslides. At least one microslide can be moved by at least one actuator in a plane located perpendicular to an optical axis between the field lens array and the projection lens array.

Disclosed is a novel plug-in film structure, including a rotary motor. A rotating shaft of the rotary motor is provided with rotary teeth. The novel plug-in film structure further includes a gear mechanism and a film mechanism. One end of the gear mechanism is meshed with the rotary teeth, and the film mechanism is magnetically connected to the other end of the gear mechanism. When the rotary motor rotates, a film sheet in the film mechanism magnetically connected to the gear mechanism rotates synchronously. The present disclosure has advantages of simple structure and convenient use. A rotary column with a magnetic block is provided, which can be quickly connected to a magnetic assembly. In addition, the magnetic connection structure enables a film assembly to rotate stably. Moreover, the entire magnetic assembly can be separated from a tray, so that film sheets with different images can be quickly replaced.