Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
2001-11-20
2003-12-23
Schuberg, Darren (Department: 2835)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
C361S689000, C439S028000, C248S917000
Reexamination Certificate
active
06667877
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates generally to portable computers such as laptop models and more particularly to a portable computer with a primary monitor screen and a secondary monitor screen with side-by-side viewing and storage of one screen behind the other.
2. Description of Related Art
The following art defines the present state of this field:
Leveridge et al., U.S. D395,041 describes a computer monitor assembly design.
Ambroe, U.S. D397,998 describes a closable display device design.
Moscovitch, U.S. RE36,978 describes a display system including a base, a pair of electronic displays, and an arm assembly that supports the displays from the base in vertical or horizontal registration. In one implementation, the arm assembly is a single telescopic member that rotates relative to the base and locks in vertical and horizontal orientations, the displays rotate relative to the member between corresponding extreme angular positions in which the operative angular orientation of the displays relative to horizontal is maintained, and the length of the member is adjusted to minimize separation of the displays. In another implementation, the arm assembly has separate arms rotating about vertically spaced axes and linked to minimize the separation of the displays automatically when vertically or horizontally registered. In a simple implementation, the arm assembly is a rigid arm that releasably attaches to the base only in vertical and horizontal orientations, the displays mounted releasably to the arm in pre-defined angular orientations that preserve their operative angular orientation, and one display can be connected to the arm at spaced apart position to adjust separation of the displays.
Matheny et al., U.S. Pat. No. 4,884,068 describes a multiple display system having a single light pen made to operate with a plurality of synchronized monitors in an array. A determination of which monitor in the array the light pen is being used with, is made to allow simultaneous usage of the light pen on any of the monitors in the array. Other positioning or pointing input devices can be arranged to work with the array of monitors.
Buisson et al., U.S. Pat. No. 4,988,995 describes a display device including several flat screens. Two sides of a case each form a flat screen display face controlled by the same control system. Under normal operation, the case is held in slides and only the screen disposed on one side is visible and in the emergency mode the case is pulled out of the slides and is pivoted so as to cause the other screen disposed on the other side to appear.
Kuno et al., U.S. Pat. No. 5,467,102 describes a portable display device capable of presenting a document in an easy to read format, in which a simultaneous display of different parts of the document in reasonable sizes can be made, by a simple operation of the device. The display device comprises a document memory for storing documents to be displayed, at least two display screens for displaying the documents stored in the document memory means, and a display control unit for controlling displays of the documents on the display screens to be in a linked mode in which the displays on the display screens are linked together and in a separate mode in which the displays on the display screens are independent from each other.
Register, U.S. Pat. No. 5,590,021 describes an apparatus and method for a secondary display system for a computer. A secondary display system of the present invention includes a flat panel display configured such that the display is conveniently located both during and between use thereof. The system comprises a liquid crystal display module (LCDM), a corresponding display controller connected to the LCDM via an appropriate interface, and a mounting device connected to the LCDM for mounting and positioning the LCDM in close proximity to the monitor of a computer. In a preferred embodiment, the mounting device comprises a rectangular plate, which is horizontally disposed between a chassis and a monitor of the computer, and the positioning means comprises a single axis hinge, which is connected to a front corner of the plate such that the hinge rotates on a vertical axis. One edge of the LCDM is attached to the hinge so that the LCDM may be rotated on a vertical axis. During use, the LCDM may be rotated such that its display screen is coplanar with the display screen of the monitor. Between uses, the LCDM may be rotated such that its display screen is substantially orthogonal to the display screen of the monitor.
Ouchi et al, U.S. Pat. No. 5,796,577 describes a notebook computer comprising a keyboard positioned on the upper surface of a computer body, an operating ball, function keys and the like. A cover member fixed to the computer body by a hinge so that it opens and closes against the computer body is supported in an open position substantially perpendicular to the body. A first display device is formed on the inner surface of the cover member, and a second display device is formed on the outer surface thereof. The operator and the client facing each other with the notebook computer positioned between them could share the same screen information by watching each of the two display devices in front of them.
Chee, U.S. Pat. No. 5,694,141 describes a computer system including a pair of display devices, such as cathode ray tubes (CRT's) or liquid crystal displays (LCD's) for providing a visible display to a user of the computer system. The computer system includes a video display controller (VDC) providing for simultaneous display of different images on the pair of display devices. The VDC includes a display data processing circuit (DDPC) which is variably configurable to provide decoding of data words from a first bit-word format as received from a display first-in-first-out (FIFO) memory to a second bit-word format as required by a particular one of the pair of display devices. The DDPC is variably configurable to allow the pair of display devices to each receive driving signals providing the simultaneous differing images, and which driving signals originate with the bit-words allocated to each particular one of the pair of display devices. Accordingly, the DDPC simultaneously decodes bit-words from the first bit-word format to a pair of second bit-word formats, which second bit-word formats need not be the same, but can differ depending on the type of display device receiving the corresponding driving signals.
Haneda et al., U.S. Pat. No. 5,90,848 describes an information processing apparatus having a main body and a lid body configured so that the lid body can be switched between a closed state, a stacked state, a double screen state and an inverted state. Each of the main body and the lid body has a display section for displaying information and an input section composed of a transparent tablet and provided on the display section. As a sensor or the like detects the lid body in one of the four states, a control section of the information processing apparatus controls the display section so that a screen on the display section is appropriate to the detected state of the lid body. The control section also controls the lighting section for lighting the display section appropriately to the detected state of the lid body. This realizes appropriate display in accordance with usages of the information processing apparatus and offers an easy-to-operate and easy-to-use information processing apparatus. Besides, the lighting section is turned on/off according to needs, and therefore it is possible to prevent heat generation and to restrain power consumption.
Batio, U.S. Pat. No. 5,949,643 describes a retrofitting, folding, portable keyboard for a notebook computer consisting of two, pivotally-hinged halves. The two halves are hinged so that may be assume a perfectly flat, horizontal position, or, alternatively, a laterally raised and sloping configuration that provides an enhanced, ergonometric configuration to the user. Each half has its own set of keys and spac
Duong Hung Van
Gene Scott-Patent Law & Venture Group
Schuberg Darren
Slide View Corp.
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