Television – Video display – Projection device
Reexamination Certificate
1995-03-17
2001-07-31
Lee, Michael (Department: 2614)
Television
Video display
Projection device
C348S705000
Reexamination Certificate
active
06268891
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to a VCR-projector assembly (hereinafter called “VCR”), more particularly to a VCR-projector assembly that permits projection in a desired direction.
In general, a projector is a device that can display video signals received from a TV, a VCR, or an external imaging device on a screen.
Further, the projector, when processing video signals from a VCR or a TV, displays them on an LCD panel in the projector, and displays them on a screen.
However, as shown in
FIG. 1
, in order to project the video signals from a VCR or a TV on a screen, the projector and the VCR, or the projector and the TV on each occasion must be manually connected using an appropriate jack.
Typically, there is no separate device for changing direction of projection. Thus, the projector itself is moved manually.
As is also known, the zoom mechanism of the projector should be adjusted again to provide a clear picture after moving the projector. Again, this adjustment must be done manually.
SUMMARY OF THE INVENTION
An object of this invention is to solve the foregoing problems and, more specifically, to provide a VCR-projector assembly that facilitates projection of recorded signals reproduced in a VCR or broadcast signals from a tuner.
Another object of this invention is to provide a VCR-projector assembly that can change direction of projection easily using mirrors without moving the projector itself.
Another object of this invention is to provide a VCR-projector assembly that allows zooming by a VCR remote controller following the change of projection direction.
These and other objects and features of this invention can be achieved by a VCR-projector assembly having a key application part including various keys, a tuner for tuning broadcast signals received through an antenna, and an included VCR for recording the broadcast signals from the tuner and reproducing the recorded broadcast signals or other recorded signals. The assembly further includes projector means for processing and projecting the broadcast signals from the tuner, or the reproduced recorded broadcast signals or other recorded signals from the VCR, and a switch assembly connected to the tuner, to the included VCR, and to the projector. The assembly still further includes zoom processing responding to application of a projection zoom key of the key application part.
These and other objects and features of this invention can be achieved by a VCR-projector assembly having a key application part including various keys, a tuner for tuning broadcast signals received through an antenna, and an included VCR for recording the broadcast signals from the tuner and reproducing the recorded broadcast signals or other recorded signals. The assembly further includes a projector for processing and projecting the broadcast signals from the tuner, or the reproduced recorded broadcast signals or other recorded signals from the included VCR, a switch assembly connected to the tuner, to the included VCR, and to the projector for selecting projection function. The assembly further includes a zoom assembly for responding to application of a projection zoom key of the key application part, a VCR power source for supplying power to the included VCR, and a projector power source part for supplying power to the projector.
These and other objects and features of this invention further can be achieved by a VCR-projector assembly having a key application part including various keys, a tuner for tuning broadcast signals received through an antenna, an included VCR for recording the broadcast signals from the tuner and reproducing the recorded broadcast signals or other recorded signals, a projector for processing and projecting the broadcast signals from the tuner, or the reproduced recorded broadcast signals or other recorded signals from the included VCR, and a switch assembly connected to the tuner, to the included VCR, and to the projector for selecting a projection function. The assembly further includes a zoom assembly for responding to application of a projection zoom key of the key application part, a projection controller for controlling processing and projecting of the projector in response to a user's selection of projection direction, and a mirror part for reflecting images processed under the control of the projection controller onto a screen in a projection direction selected by a user.
Additional features and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The advantages of the invention will be realized and attained by means of the elements and combinations particularly pointed out in the appended claims.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate preferred embodiments of the apparatus and method according to the invention and, together with the description, serve to explain the principles of the invention.
REFERENCES:
patent: 4663674 (1987-05-01), Osawa
patent: 4942488 (1990-07-01), Osawa
patent: 5136397 (1992-08-01), Miyashita
patent: 5191450 (1993-03-01), Yajima et al.
patent: 5216552 (1993-06-01), Dunlap et al.
patent: 5282243 (1994-01-01), Murayama et al.
patent: 5303294 (1994-04-01), Kimoto et al.
patent: 5483285 (1996-01-01), Lim et al.
Lee Nam-Su
Lim Young-Taik
Sim Dae-Sul
Yeo Myung-Keun
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Lee Michael
LG Electronics Inc.
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