93results about "Picture changing apparatus" patented technology

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.

A double image projection lamp has a housing, a first and a second projecting assembly in the housing, a driver, a light shielding element, and a driven component. The second projecting assembly has a shell body pivotally connected to the housing, connected to the driver, and having a sliding groove between a projecting end of the shell body and a light emitting unit of the second projecting assembly. The light shielding element is disposed in the sliding groove. When the driver drives the shell body to pivot, the driven component is driven by the shell body and drives the light shielding element to move along the sliding groove so as to allow light emitted from the light emitting unit to be shielded by the shielding element or travel to the projecting end, which provides fade-in and fade-out visual effects when two projected images move relatively.

The utility model belongs to the technical field of projection lamps, and particularly discloses a dynamic projection lamp with a non-transparent lampshade, which comprises a non-transparent lampshade, a focusing component is inserted at the top of the lampshade, a fixed seat and a light-emitting part are arranged in the lampshade, the focusing component extends into the lampshade and is rotatably arranged at the top of the fixed seat, and the light-emitting part is mounted at the bottom of the fixed seat. An inserting disc is inserted into the side faces of the fixing base and the lampshade in a sliding mode, a projection rotating disc is rotatably supported on the inserting disc, a projection channel allowing light to penetrate through is formed in the fixing base, the projection channel and the projection rotating disc are both coaxially arranged with the focusing assembly, and a light outlet in the top of the focusing assembly is exposed out of the lampshade. The lampshade is designed to be non-transparent, external light is effectively shielded, internal equipment is protected, the focusing assembly and the fixing base are combined, focusing and adjusting of the light are achieved, the projection effect is improved, continuous rotation and dynamic projection of slides are achieved through rotation of the projection rotating disc, operation is easy and convenient, and the effect is stable.

The wide-angle starry sky projection lamp comprises a main body, a light source, a film tray and a projection lens, and the film tray is separably inserted into a space formed between the light source and the projection lens; a light gathering device is arranged between the light source and the film tray and is suitable for gathering light rays emitted by the light source in an area where the film is located; in the projection lens, in the projection direction of a film, an imaging lens configured as a single convex aspheric lens with positive focal power; the collimating lens is configured to be a biconvex aspheric lens with positive focal power; the wide-angle lens is configured to be a single concave aspherical lens with negative focal power; light with a preset film pattern is projected on a specified interface after passing through the imaging lens, the collimating lens and the wide-angle lens so as to form a starry sky projection effect, the projection lens in the projection lamp realizes effective control and optimization of the light by reasonably configuring the focal power and the shape of each lens, and the definition and the brightness of a projection picture are high.

Title: System for taking peripheral images of a subject System (100) for taking peripheral images of a subject in combination with a mirror incorporating a screen for alternative vision between the image reflected by the mirror and the image images displayed on the screen integrated in the mirror, system characterized in that it comprises: - a location (1) for the subject (S), driven in rotation, - a lighting assembly (2) distributed around the location (1), - a mirror (3) incorporating a display screen (31), - image capture equipment (4) facing the subject (S), - a background (5) facing the image capture equipment (4) beyond the location (1) of the subject, - a management unit (6) comprising a control unit (62) and an image processing unit (61), for receiving the commands and,- provide processed images suitable for display and control signals for shooting and lighting as well as displaying the processed images and training the subject's location. Figure 1,

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.

Title: Luminous device for projecting an image onto the ground around a vehicle Method for manufacturing a luminous device (2), the luminous device comprising:- a light source (3) capable of producing a light beam (F), - a mask (4) comprising a support (7) on which are formed a first pattern (8) and at least one second pattern (9) different from the first pattern, the mask support being movable between a first position and at least one second position, and- a drive means (14), in particular an electric motor, connected to the mask support by a mechanical connection means so as to move the mask support between its first position and its second position, the manufacturing method comprising a step of in situ formation of a pattern on the mask support. Figure to be published with the abstract: Figure 1

A double image projection lamp has a housing, a first and a second projecting assembly in the housing, a driver, a light shielding element, and a driven component. The second projecting assembly has a shell body pivotally connected to the housing, connected to the driver, and having a sliding groove between a projecting end of the shell body and a light emitting unit of the second projecting assembly. The light shielding element is disposed in the sliding groove. When the driver drives the shell body to pivot, the driven component is driven by the shell body and drives the light shielding element to move along the sliding groove so as to allow light emitted from the light emitting unit to be shielded by the shielding element or travel to the projecting end, which provides fade-in and fade-out visual effects when two projected images move relatively.

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 utility model discloses a square circulating image changing structure in the field of projection sheets, which comprises a slide glass plate, a plurality of rows of via holes are arranged on the slide glass plate at equal intervals, film projection cards are arranged on the slide glass plate and positioned in the via holes, an image carrying plate used for bearing and mounting the slide glass plate is arranged on the periphery of the slide glass plate, and the image carrying plate is arranged on the slide glass plate. A plurality of fixing columns are fixedly connected to the upper portion of the image carrying plate, and a long-strip-shaped sliding groove is formed in the position, located on one side of the fixing columns, of the image carrying plate. According to the utility model, the tooth-shaped wheel can be driven to rotate by rotating the rotating shaft, and the tooth-shaped wheel is meshed with the fixed column, so that the image carrying plate can be driven to move under the guidance of the dovetail guide groove on the image changing sliding plate, and the image changing operation is realized; round rotation is changed into movement according to a fixed track, and images can be arranged in a square or other-shaped track, so that higher material utilization rate is realized.

The utility model discloses a projection lamp which comprises a lamp body and a lamp cover. The projection device comprises a first shell, a light-emitting assembly arranged in the first shell and a film tray used for installing a film, the first shell is provided with an insertion hole used for installing the film tray, and the film tray is inserted into the insertion hole so that the film can be located in the irradiation direction of the light-emitting assembly; and a base, the projection device is installed on the base, the base is provided with a storage groove, and the storage groove is used for storing the film tray. According to the technical scheme, the film tray can be conveniently stored through the containing groove, the use convenience and practicability of the projection lamp are improved, and the projection lamp is suitable for various projection application scenes.

The present invention discloses a projection device, including a lighting device; an imaging device, detachably connected to the lighting device; and an adsorbent and an adsorbed body, respectively arranged at one end of the imaging device and the lighting device; the adsorbent can adsorb the adsorbed body, the adsorbent is a magnet, and the adsorbed body is a magnet or a ferromagnetic metal part. The present invention divides the projection device into an imaging device and a lighting device, and the two devices are fixed by adsorption between magnets or magnets and ferromagnetic metal parts, which effectively improves the operating efficiency when replacing projection films and correcting imaging patterns, and is convenient and quick to disassemble and assemble, simple to operate, and has high efficiency in replacing projection films, thereby improving user experience.

The invention discloses an improved film slide projector, and particularly relates to the technical field of image playing equipment, the improved film slide projector is characterized in that a magnetic attraction type remote controller fixing groove is formed in the side edge of a projector body, and a remote controller is fixed in an anti-falling mode through a magnetic attraction body; the playing bin, the sliding bin and the transmission bin are communicated in the machine body. A cartridge placement groove, a light adjusting bin and a light source bin are sequentially arranged in the playing bin, and a heat dissipation opening and a through hole are bidirectionally formed in the side rear of the light source bin. The bottom of the sliding bin is provided with a sliding rail block matched with the cartridge sliding groove. A cylindrical gear arranged in the transmission bin is meshed with a cartridge rack to drive the cartridge to move, a variable-speed double-gear is meshed with a rack of the push rod body, and the slides are accurately pushed into the cartridge containing groove through the push piece. The device has the advantages that the functions of magnetic attraction fixing, two-stage gear transmission and multidirectional heat dissipation are integrated, and the operation convenience, the projection positioning precision and the equipment reliability are synchronously improved.

The utility model relates to a projection sheet support and a projection device, the projection sheet support comprises a mounting piece, an image assembly and a limiting piece, the mounting piece comprises a main body part and a supporting part which are connected, the main body part is provided with a mounting through hole, the supporting part is arranged at one end of the mounting through hole, and the supporting part extends towards the axis of the mounting through hole relative to the main body part; a first light-transmitting hole is defined by the supporting part, and the first light-transmitting hole is communicated with the mounting through hole; the image assembly is embedded in the mounting through hole and abuts against the supporting part, and the image assembly is exposed through the first light hole; the limiting piece is arranged in the mounting through hole, and the limiting piece and the supporting part are located on the two opposite sides of the image assembly respectively; the limiting piece is provided with two free ends which are respectively propped against the inner wall of the main body part; the two free ends can be close to each other under the action of external force, so that the limiting piece is elastically deformed to release the clamping relation between the limiting piece and the main body part. According to the embodiment, the limiting piece and the mounting piece are simple in structure and convenient to disassemble or assemble, and the efficiency of replacing the image assembly is improved.

The present invention discloses a laser irradiator, comprising a housing with an irradiation through hole, a laser irradiation head arranged in the housing and aligned with the irradiation through hole, and a main slide arranged between the irradiation through hole and the laser irradiation head, and further comprising: a mounting seat arranged in the housing and capable of moving relative to the laser irradiation head; a driving member arranged on the mounting seat and capable of driving the main slide to rotate; a toggle mechanism, which can drive the mounting seat to move and place the main slide in or away from the irradiation path of the laser irradiation head; and a reset member, which cooperates with the mounting seat and provides a restoring force for the mounting seat. The present invention can realize the change of the irradiation pattern, has good continuity, and has a simple structure and reduces costs.

A system and a method for calibration of optical measurement devices are described. In one embodiment, the optical measurement device comprises an imaging lens, and the calibration system includes a projection light source, a lens module, and a projection element. The light emitted from the projection light source passes through the projection element and is projected by the lens module, and then captured by the imaging lens of the optical measurement device. The exit pupil of the lens module in the calibration system is coincident with the entrance pupil of the imaging lens of the optical measurement device, providing a compact and highly efficient optical calibration mechanism.

The invention relates to an image projection device comprising: at least one LED that emits an illumination light beam, and at least one image change module comprising different images to be projected, said images being mounted on a disc coupled to a stepper motor. The device comprises an electrical control circuit configured to control the motor so as to rotate the disc in order to change the projected image, by controlling the motor with a step-change control frequency (f) which is greater than or equal to a given target frequency (fc) during a main phase (Pp), and then decreases gradually down to zero during a controlled deceleration phase (Pd).

The utility model discloses a disc card structure and a projector, the disc card structure comprises an upper cover disc and a lower cover disc, the upper cover disc and the lower cover disc are detachably and fixedly connected, a film is clamped in an accommodating space formed between the upper cover disc and the lower cover disc, and the end face of the upper cover disc is provided with transmission teeth used for transmission. According to the utility model, the rubber sheet is arranged on the outer end face of the upper cover disc, so that the teeth are prevented from being exposed at the periphery of the rubber sheet disc, the whole surface is smoother, risks possibly encountered by children during use are reduced, and the safety coefficient of products is improved.

An aircraft has a seat that has at least one of (1) a nonplanar back surface profile and a touch sensitive film display system carried by the seat and configured to conform to the nonplanar back surface profile and (2) a privacy screen selectively stowed within an interior of the seat. An aircraft has a pilot seat, a passenger seat disposed aft relative to the pilot seat, and a holographic display system configured to project a holographic image in a space between the pilot seat and the passenger seat.

The film box comprises a box body and a cover body, the box body is provided with a positioning groove, the bottom wall of the positioning groove is provided with a first opening, and the bottom wall of the positioning groove is used for bearing the edge of a light-transmitting film; the cover body is connected with the box body, a second opening and a positioning protrusion are arranged on the cover body, the positioning protrusion is located on the peripheral side of the second opening, and the positioning protrusion protrudes out of the inner wall of the cover body; the film box has a fixed state and a released state, in the fixed state, the cover body is attached to the box body, at least part of the positioning protrusion is located in the positioning groove and used for abutting against the light-transmitting film on the peripheral side of the first opening, the second opening is opposite to the first opening and communicates with the positioning groove, and the first opening and the second opening can avoid the light-transmitting film; and in the release state, the cover body is separated from the box body. According to the film box, the fixing effect of the light-transmitting film can be improved. The projector accommodates the film box, and the projection effect can be improved.

The invention relates to a light module (2) comprising a light source (6); a disc (8) having a plurality of slides (8.1) capable of being arranged, selectively, by rotation of the disc about an axis of rotation opposite the light source (6); an optical projection device (10) configured to project an image of the slide (8.1) opposite said light source (6); wherein the optical projection device (10) is fixedly arranged opposite the light source (6); and the disc (8) bears on an adjustable stop (18) by an elastic force along the axis of rotation.

The utility model discloses a story projector which comprises a left shell and a right shell, a left support and a right support are installed in an accommodating chamber formed by the left shell and the right shell, a film disc assembly is installed in an installation cavity communicated with the outside and formed between the left support and the right support, driven teeth are arranged on the end face of the film disc assembly, and the driven teeth are connected with the left support and the right support. The device further comprises a driving part, a gear shaft is installed at the power output end of the driving part in a transmission mode, driving teeth are arranged on the end face, close to the film disc assembly, of the gear shaft, and the gear shaft is in transmission connection with the driving teeth when the device is used. According to the utility model, the driven teeth are arranged on the end face of the film disc assembly, so that the peripheral circle of the film disc assembly is smoother, and a user is not easy to be injured when the film disc assembly is replaced, taken and placed; and the power from the driving piece is transmitted to the film disc assembly through the transmission matching of the driven teeth and the driving teeth, and the film disc assembly is driven to rotate, so that projection is realized.

A system and a method for calibration of optical measurement devices are described. In one embodiment, the optical measurement device (CM) comprises an imaging lens (CL), and the calibration system (1) includes a projection light source (2), a lens module (4), and a projection element (3). The light emitted from the projection light source (2) passes through the projection element (3) and is projected by the lens module (4), and then captured by the imaging lens (CL) of the optical measurement device (CM). The exit pupil (ExP) of the lens module (4) in the calibration system (1) is coincident with the entrance pupil (EnP) of the imaging lens (CL) of the optical measurement device (CM), providing a compact and highly efficient optical calibration mechanism.

The present invention discloses a projection device (100), a lighting and / or signaling device and a vehicle. The projection device (100) comprises: a housing (110), having a light outlet part (112); a light source (120), disposed in the housing (110) and configured to emit light; a first lens (130), disposed in the housing (110) and used to form parallel beams from light emitted by the light source (120); a patterning device (140), disposed in the housing (110) and located downstream of the parallel beams emergent from the first lens (130), the patterning device (140) having at least one first light- transmitting area (141) and being configured to rotate around its centre so that the at least one first light-transmitting area (141) is rotated to a light path where the parallel beams pass through the light outlet part (112).

The invention belongs to the technical field of safety warning, and particularly relates to a projection lamp system capable of automatically switching patterns and a working method. The projection lamp system comprises an optical projection display module, a heat dissipation module, an intelligent detection module and a mechanical transmission control module; the optical projection display module comprises a highlight lamp sheet, a projection lamp sheet frame and a lens assembly, and a plurality of projection lamp sheets corresponding to different projection modes are arranged on the projection lamp sheet frame and are switched and fixed through a color changing mechanism; the heat dissipation module comprises a composite heat dissipation structure integrated around the highlight lamp sheet; the intelligent detection module is used for monitoring a target passing through the dynamic detection area in real time; the mechanical transmission control module is used for driving the color changing mechanism to switch the projection mode. According to the multifunctional projection lamp system, pedestrians and transverse passing vehicles can be sensed in real time, warning projection patterns and warnings are automatically switched, the pedestrians and the vehicles are reminded to pay attention to safety in a projection mode, and potential safety hazards of pedestrian path intersections in a production factory are effectively reduced.

This utility model discloses a projection lamp, comprising: a pull-out positioning component, on both sides of which are respectively provided an imaging lens module and an illumination lens module, and a light source is provided on the side of the illumination lens module away from the pull-out positioning component; a pull-out plate, which is plugged into the pull-out positioning component, and a gear disk is rotatably provided on the pull-out plate, with a projection disk provided on the gear disk; and a gear power device, wherein when the pull-out plate is inserted into the pull-out positioning component, the output wheel of the gear power device meshes with the gear disk, and the output wheel of the gear power device is located on the oblique side of the gear disk. This utility model can effectively ensure proper meshing and has a flexible layout, thus allowing for more choices in product design.

The utility model relates to the technical field of projection equipment, in particular to a film dynamic projection device, which comprises a light-emitting component, a light-emitting component, a light-emitting component, a light-emitting component, a light-emitting component, a light-emitting component, a light-emitting component, a light-emitting component and a light-emitting component, the film assembly comprises a film arranged right in front of the condensing lens group, a rotating gear connected with the film, and a driving group connected with the rotating gear and used for driving the rotating gear to rotate; the imaging lens module is arranged right in front of the film, and the imaging lens module is suitable for being matched with the rotating gear in a threaded and screwed mode. According to the utility model, the structure of the whole film dynamic projection device can be simplified, and the use performance of the film dynamic projection device can be optimized.

The landscape lamp with the adjustable projection effect comprises a projection disc, a projection lamp body and an adjusting assembly, a plurality of containing grooves are evenly formed in the side wall of the projection disc along the circumference, and projection pictures are contained in the containing grooves; the projection lamp is located on the side, close to the adjusting assembly, of the projection disc and corresponds to the containing groove. The output end of the adjusting assembly is fixedly connected with the projection disc, and the input end of the adjusting assembly is fixedly connected with the power output end of the driving assembly. The projection device has the advantages that a plurality of projection pictures are loaded on the projection disc, the adjustable function of the projection effect is achieved, fine control over switching of the projection pictures is achieved through the adjusting assembly, the stable switching effect is achieved, meanwhile, the projection pictures are combined with the projection lamp, reliability is higher, and the projection effect is better. Only the driving assembly is used for driving the projection disc, and the structure is simple and durable.