Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
1997-11-06
2001-07-31
Feild, Lynn D. (Department: 2835)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
C248S918000, C248S398000
Reexamination Certificate
active
06268997
ABSTRACT:
CLAIM OF PRIORITY
This application makes reference to, incorporates the same herein, and claims all benefits accruing under 35 U.S.C. §119 from an application entitled FLAT-PANEL DISPLAY APPARATUS earlier filed in the Korean Industrial Property Office on Nov. 6, 1996, and there duly assigned Serial No. 96-52394 by that Office.
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a flat-panel display apparatus and, more specifically, to a flat-panel display apparatus having a cable running from a stand unit to a display unit, wherein the space occupied by the cable is minimized and wherein cable twisting and interference with other components is prevented.
2. Discussion of Related Art
The basic structure of a general flat-panel display apparatus consists of a display unit, which is flat and thin, and a stand unit for supporting the display unit. In such a display, typically, a flat flexible cable (ribbon), supplying a display signal and electrical power, courses through the hinge located between the display unit and stand. Such a configuration assumes that the angle of the display screen is adjustable forward and backward only, that is, along a horizontal axis, and does not accommodate rotation (swivel) along a vertical axis.
Exemplars of the contemporary practice in the art include U.S. Pat. No. 4,310,136, issued to Mooney for a Backlash-free Swivel and Tilt Mounting, which describes an oversized support shaft journaled in dual ball bearings housed in a base. The base includes a plate with an aperture receiving a cylindrical section of a support shaft, rotatably secured therein with a set of bearings. The device does not include a central inner passage for a cable. U.S. Pat. No. 4,437,638, issued to Scheibenpflug for an Arrangement for Fastening a Monitor to a Text Station, describes a monitor mounted on a support column with a bracket having holes registered with holes in the support column, a shaft being received therethrough. The support column defines an inner race slidingly received in an outer race of extension arm, providing rotational freedom therebetween. The device does not include a central inner passage for a cable. U.S. Pat. No. 4,447,031, issued to Sounder, Jr. et al for a Spring Counterbalanced Support Arm System, describes a nose bracket mounted on a television set. The nose bracket includes flanges with registered holes. Screws received in the holes engage an anchor tube receiving a tension pin engaged with a swivel arm. The tension pin provides for relative rotation between the swivel arm and nose bracket. The device does not include a central inner passage for a cable. U.S. Pat. No. 5,335,142, issued to Anderson for a Portable Computer Display Tilt/swivel mechanism, describes a yoke
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with flanges having registered holes. A tilt base has complementary flanges with registered holes. The yoke and base holes receive a hollow tilt tube. The base mounts on a swivel disk received within a groove defined by a split mounting ring. The device does not include a hinge member having a central aperture configured to receive a vertical hinge shaft, fixed relative to a stand, providing a central inner passage for a cable. U.S. Pat. No. 4,762,378, issued to Kagami for a Display Apparatus, describes a base with oblique or offset upstanding flanges with registered holes. The chassis and neck frame of a monitor pivot relative to the base about a connecting bolt received in the holes. The device does not include a hinge member having a central aperture configured to receive a vertical hinge shaft, fixed relative to a stand, providing a central inner passage for a cable. U.S. Pat. No. 4,944,481, issued to Yurchenco et aL for a Balanced Monitor Stand, describes a base with an oblique tab having a first horizontal throughbore. A platform mounted on a monitor has a second throughbore in registry with the first throughbore. The tab and platform rotate in a vertical plane about a pin received in the throughbores. The device does not provide for rotation of the monitor. U.S. Pat. No. 5,108,062, issued to Detwiler for a Pivot Apparatus, describes a clam shell socket member rotatably secured to a housing member. A leg portion extends from one of the clam shell socket members to a base portion mounted in a base member. The device does not provide for rotation of the monitor. U.S. Pat. No. 5,588,625, issued to Beak for a Monitor Stand Assembly, describes an upper stand portion having a slot. A stand base portion has a coupler bar received in the slot. When the upper stand portion is rotated relative to the stand base portion, projections of the coupler bar prevent disassembly thereof. The device does not include a hinge member having a central aperture configured to receive a vertical hinge shaft, fixed relative to a stand, providing a central inner passage for a cable.
After careful study of the exemplars of contemporary practice in the art, I have found a need exists for a flat-panel display apparatus in which the cable carrying display signals and electrical power occupies minimal space and is not subject to twisting or interference with other components.
SUMMARY OF THE INVENTION
Accordingly, the present invention is directed to a flat-panel display apparatus that substantially obviates one or more of the limitations and disadvantages of the related art.
An objective of the present invention is to provide an improved flat-panel display apparatus having a display unit that may be rotated forward and backward and from side to side to optimize its viewing angle, and in which an undesired twisting of a cable for supplying display signals and electrical power to the display unit is prevented.
Another objective of the present invention is to provide a flat-panel display apparatus in which the cable is not exposed, enabling a product design improvement.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure as illustrated in the written description and claims hereof, as well as the appended drawings.
To achieve these and other advantages, and in accordance with the purpose of the present invention as embodied and broadly described, a flat-panel display apparatus is provided with a cable, supplying display signals and electrical power to a display unit, which passes through a hinge shaft in a hinge unit, which supports the display unit and rotatably connects the display unit to a stand unit. The hinge shaft is oriented vertically. The cable connects an interface circuit board to a main circuit board through an enclosed space formed in a lower part of the display unit.
It is to be understood that both the foregoing general description and the following detailed description are merely exemplary and are intended to provide further explanation of the invention as claimed.
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patent: 4437638 (1984-03-01), Scheibenpflug
patent: 4447031 (1984-05-01), Souder, Jr.
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patent: 4624434 (1986-11-01), Lake et al.
patent: 4691886 (1987-09-01), Wendling et al.
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patent: 5271594 (1993-12-01), Djelouah
patent: 5335142 (1994-08-01), Anderson
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patent: 5588625 (1996-12-01), Beak
patent: 5590021 (1996-12-01), Register
patent: 5632463 (1997-05-01), Sung et al.
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patent: 5715137 (1998-02-01), Choi
patent: 573292
Bushnell , Esq. Robert E.
Feild Lynn D.
Samsung Electronics Co,. Ltd.
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