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| Apparatus for generating a data signal at an optimal phase |
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| Optical disc recording and/or reproducing apparatus having a buffer memory to accommodate track jumps |
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| Track compensation apparatus of magnetooptical disk apparatus |
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| System for classifying input/output events for processes servicing the events |
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| Videodisk player |
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Mouse operating pad
| Details |
Inventors: House, V. Dean;
Assignee: Data Pad Corp. (Provo, UT)
Primary Examiner: Curtis; Marshall M.
Assistant Examiner: Bowler II; Roland K.
Attorney, Agent or Firm: Workman, Nydegger, Jensen
A mouse operating pad to permit high resolution operation of a mouse at a work station. The pad includes a control surface which incorporates a uniform random texture permitting the tracking member to stably rest at any point on the control surface. The control surface is formed on a control layer which is supported on a resilient intermediate layer. The hardness of the intermediate layer and the control layer is chosen so that the control surface is isolated from any imperfections in the work surface. The pad is placed on a work surface and the mouse is operated on the control surface. Optionally when the control layer is formed of a transparent material, an information display surface can be provided on the side of the control layer opposite from the control surface that allows visual information to be permanently displayed, or in one embodiment of the invention, removably displayed. |
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DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following description of preferred embodiments, like structures will be referred to by like numerals throughout.
One embodiment of a mouse operating pad 100 according to the present invention is illustrated in FIGS.
2 and 3.
Mouse operating pad 100 includes a control layer 108 having a control surface 104 formed on one side thereof, and an intermediate or support layer 112 upholding control layer 108 and having a gripping surface 116 on the side opposite control layer 108.
In use, mouse pad 100 is placed on a work surface, such as the tabletop 12 shown in FIG.
1, with control surface 104 upward.
Gripping surface 116 of intermediate layer 112 is thus in contact with the work surface.
Lettering 124 shown in FIG.
4 is intended to represent one type of visual display which can be incorporated into a mouse pad according to the present invention.
Control surface 104 may be fabricated as an integral structure with intermediate layer 112 or may be formed on a separate control layer 108.
As will be explained shortly, it is preferable that control surface 104 be formed on control layer 108.
The material presently preferred for control layer 108 is a polyvinyl chloride, such as that produced by Goss Plastics Film Corp.
of Los Angeles, California under the trade name Goss 48.
4.
Scratch-resistant vinyl is the preferred material for control layer 108.
The Goss material is provided with a desirable uniform random texture on one surface, which will be discussed shortly, and is available in thickness ranging from 10 to 20 mils.
The 15 mil thick material is presently preferred.
Other materials which may be used for control layer 108 include textured polycarbonate materials available either from General Electric Company of Pittsfield, Mass.
under the trademark LEXAN.
RTM.
, or from any of Mobay Chemical Corporation, Plastics Division, of Pittsburgh, Pa.
, Rohm & Hass Co.
of Philadelphia, Pa.
, and Humko Shefield Chemical of Memphis, Tenn.
Still more materials that might be used as control layer 108 include polystyrene, polyester, or acetate films
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