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US 10,042,238 B1Granted
Projector
AssigneeGemmy Industries Corporation
InventorsCheng-Chun Zhang, Lio Yenwei Chang
Life of this patent
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Abstract
A projector has a body, a rotating device, a projection device, and a supporting device. The body has a lower housing, an upper housing, and an operation chamber. The rotating device is mounted in the operation chamber, is located in the upper housing, and has a driving device, a rotating axle, a power supply circuit board, and a film base. The projection device is mounted in the operation chamber of the body and has a light unit, a Fresnel lens, a film holder, and a lens assembly. The supporting device is mounted on a bottom of the lower housing.
Claims8
A projector comprising:
- a body comprising
- a lower housing having a lower front opening defined in a front end of the lower housing;
- a film cover mounted on the lower housing;
- an upper housing combined with the lower housing and having an upper front opening defined in a front end of the upper housing to define a front opening incorporated with the lower front opening in the lower housing;
- and
- an operation chamber defined in the lower housing and the upper housing;
- a rotating device mounted in the operation chamber, located in the upper housing, and having
- a driving device mounted in the upper housing;
- a rotating axle connected rotatably with the driving device;
- a power supply circuit board mounted in the upper housing and connected electrically with the driving device;
- and
- a film base being transparent, connected with the rotating axle, and having a holding space defined in the film base;
- a projection device mounted in the operation chamber of the body and having
- a light unit mounted in the upper housing and held in the holding space of the film base;
- a Fresnel lens mounted in the lower housing, extending into the holding space in the film base, and located in front of the light unit;
- a film holder mounted detachably in the lower housing and located above the film cover;
- and
- a lens assembly mounted in the lower housing and extending out from the front opening;
- and
- a supporting device mounted on a bottom of the lower housing.
17 more elements
Dependencies are inferred from the claim text.