Coretronic Corporation

Fan-Chieh Chang

I-Ming Liu

Kuo-Wen Chen

Chien-Chang Huang

Chun-Chieh Wang

Wen-Chih Yang

Hao-Chang Tsao

Sheng-Yu Chiu

Chang-Ching Li

Yung-Ta Chen

Wen-Yi Su

Chen-Wen Yang

A projector and a projection method are provided. The projector includes a control device, a projection optical engine, a distance sensing device, and an image capturing device. The projection optical engine projects a first projection image to a projection surface according to first image data. The distance sensing device senses multiple distance parameters of a projection area. The image capturing device captures the first projection image to obtain a first captured image. The control device performs a keystone correction operation and a leveling correction operation on the first image data. The projection optical engine projects a second projection image to the projection surface according to the corrected first image data. The control device obtains a second captured image including the second projection image through the image capturing device, and analyzes the second captured image to project current projection image size information in the second projection image.

Projector and projection method

A projector includes an outer casing and a projection module. The outer casing has a front end surface, a projection opening, and at least one heat dissipation opening. The projection opening and the at least one heat dissipation opening are located at the front end surface. The projection module is disposed in the outer casing and includes a light source module configured to provide an illumination beam, a light valve configured to convert the illumination beam to an image beam, and a projection lens protruding from the front end surface and is configured to project the image beam out of the outer casing through the projection opening. The projection module is configured to rotate relative to the outer casing to change a projection direction of the image beam and may be embedded in a ceiling and present a better appearance, and the projection direction of the projector is less restricted.

Projector

A projector and a light source module including a light emitting diode element, a pin connector, and two power cords are provided. The light emitting diode element has a first electrode and a second electrode. The pin connector is disposed on the light emitting diode element and has two connection pins, wherein each connection pin has a first connection end and a second connection end, and the two first connection ends respectively contact the first electrode and the second electrode. The two power cords are respectively connected to the first electrode and the second electrode through the two connection pins, wherein each power cord includes a joint and a wire connected to each other, each joint and the corresponding second connection end are mutually plugged along a first axial direction, each wire extends out from the corresponding joint along a second axial direction perpendicular to the first axial direction.

Light source module and projector

An illumination system for a projection apparatus includes a light source module, an integrating rod and an optical detecting module. The light source module is capable of emitting an illuminating light beam. The integrating rod has a light entrance surface facing toward the light source module. The optical detecting module includes a light guiding device and an optical detecting device. The light guiding device has a first end surface and a second end surface. The first end surface is farther away from the light entrance surface of the integrating rod than the second end surface. The optical detecting device is disposed adjacent to the first end surface of the light guiding device and electrically connected to the light source module. The light source module is capable of adjusting intensity of the illuminating light beam according to randomly emitted light detected by the optical detecting device.

Illumination system

A projector suspension device includes a casing and a suspension mechanism. The casing defines a space for accommodating an optical projection engine, and the casing has a trough extending into an inside of the casing. The suspension mechanism includes a fixed rod and a movable rod, and the fixed rod is disposed inside and fixed to the casing. One end of the movable rod is connected to the fixed rod, and another end of the movable rod is fixed to a stationary object. The movable rod is slidably coupled to the fixed rod and slides relative to the fixed rod so as to be stored inside the trough or to stick out from the trough.

Projector suspension device

An elevating mechanism for a projection apparatus includes a bottom cover, a resetting element having a first elastic member, a sliding mount, a screw stud sleeve, a screw stud, and a second elastic member. The sliding mount is disposed on a first side of the bottom cover and leans against the resetting element, and the sliding mount has an opening, at least one slot and a thread structure. The screw stud sleeve has a plurality of engaging teeth engaging within the slot. The screw stud has a thread structure and the thread structure of the screw stud meshes with the thread structure of the sliding mount.

Elevating mechanism for projection apparatus

A zooming adjustment mechanism including a holder, a zoom ring, at least two rollers, a first resilient sheet, and a second resilient sheet is provided. The zoom ring is confined to the holder and coupled to a zoom bar. The rollers are respectively confined to a groove of the holder and in contact with a bottom surface of the zoom ring. The first resilient sheet is disposed on a first side of the holder, and each end of the first resilient sheet leans against a roller. The second resilient sheet is disposed on a second side of the holder, and each end of the second resilient sheet leans against a roller. A projection lens module including the zooming adjustment mechanism is also provided.

Zooming adjustment mechanism and projection lens module

A lamp module suitable for a projector has an insulating base, a lamp, electrode lines, electrode terminals, electrode strips, conductive lines, an electrical connector and conductive terminals. The lamp is mounted on the insulating base. Each of the electrode lines has an end connected to the lamp. The electrode terminals are respectively connected to the other ends of the electrode lines. Each of the electrode strips has a first end and a second end, wherein the electrode terminals and the first ends are fastened on the insulating base, and the electrode terminals respectively contact the first ends. The electrical connector is connected to one ends of the conductive lines. The conductive terminals are respectively connected to another ends of the conductive lines. The conductive terminals and the second ends herein are fastened on the insulating base, and the conductive terminals respectively contact the second ends.

Lamp module for projector

A lens cap device having a cap protecting device, an actuating device, and a lens cap. The cap protecting device has a protecting cap with a lens exposure hole. The actuating device has a push element and an actuating element. The push element is slidably disposed on the cap protecting device. One end of the actuating element is pivotally connected on the cap protecting device to form a pivot point. The actuating element and the push element are linked together. The lens cap is slidably mounted on the cap protecting device. The lens cap is pivotally connected with the other end of the actuating element. The lens cap is driven by the actuating element to cover or open the lens exposure hole.

Lens cap device

A multi-axis adjusting apparatus includes a base with an upper surface, and each side of a central line of the base has at least one slot; a sliding seat, which is set on the upper surface of the base, and each of two ends of an upper surface of the sliding seat has at least one screw hole, each position of two sides of the upper surface of the sliding seat corresponding to the slot has at least one sliding plate, which has a U-shaped slot; a plurality of fixing screws, which are inserted into the U-shaped slot and the slot; a carrier, which is mounted on the upper surface of the sliding seat, and each of two ends of the upper surface corresponding to the screw hole has at least one fillister with one penetrating hole; plural adjusting screws are going through the screw holes and connecting to the penetrating holes by way of a floating structure. It is therefore the function of simultaneous adjustment of the multi-axis can be approached to rapidly complete the adjustment and reduce cost.

Multi-axis adjusting apparatus for a light engine in a projection system

An adjusting apparatus for a light engine includes a base, a sliding seat, a carrier and at least one tilt-adjustig screw. The sliding seat includes at least a supporter, on which the sliding seat is instilled with an arc-shaped stand. The arc-shaped stand has a round surface and includes a slot installed on the round surface, and at least a fixing slot installed at a position adjacent to an end of the arc-shaped stand. The carrier includes a round surface corresponding to the round surface of the arc-shaped stand, a block passing through the slot and at least a fixing screw passing through the slot.

Displacement and tilt adjustable apparatus

The present invention comprises a carrier, an optical engine disposed on the carrier, and a hood member coupled to the carrier at the front end of the optical engine. The hood member has an inlet coupled to the optical engine and an outlet sealed with a screen. At least one mirror is placed in an optical path between the optical engine and the screen for reflecting a beam from the optical engine, and is disposed with an adjusting bolt at its backside for adjusting. The hood member wraps the optical path from the optical engine to the screen for keeping the optical engine outside and preventing the external dust, moisture, and temperature.

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Hsin-Chu, Taiwan

Fan-Chieh Chang