Easy viewing device with shielding

• US 4,930,884 A
• Filed: 03/03/1989
• Issued: 06/05/1990
• Est. Priority Date: 04/12/1988
• Status: Expired due to Fees

• Current Assignee: Designs By Royo, Inc.
• Original Assignee: Designs By ROYO
• Inventors: Tichenor, Clyde L., Royo, Paris E., Fleming, Alex W.
• Primary Examiner(s): Arnold, Bruce Y.
• Assistant Examiner(s): Ryan, Jay
• Application Number:
  US07/320,238
• Time in Patent Office: 459 Days
• Field of Search: 350/618, 350/619, 350/623, 350/624, 350/631, 350/632, 350/639, 350/641, 378/158
• US Class Current: 359/863
• CPC Class Codes: G02B 17/023 for extending or folding an optical path, e.g. delay lines
• CPC Class Codes: G02B 27/04 having collapsible parts

Abstract

A computer monitor viewing device is provided which locates a monitor image at a comfortable viewing location and which is desirably suitable for use by most computer users and, in particular, by bifocal users. The device includes a first mirror positioned to reflect an image from a computer monitor screen and a second mirror which is positioned to reflect the image reflected by the first mirror toward the eyes of a viewer. Supports are also provided for positioning the first and second mirrors. Desirably, where the device is used in connection with a keyboard, the second mirror is positioned closer to the keyboard than the computer monitor screen, thereby allowing users, including bifocal wearers, to comfortably view the screen and the keyboard simultaneously. The device may also incorporate means to shield the user from radiation from the computer monitor.

Claims

1. A device for viewing a computer monitor screen comprising:

a first mirror positioned to reflect an image from a computer monitor screen;

means for supporting and positioning the first mirror;

a second mirror positioned to reflect the image reflected by the first mirror toward the eyes of a viewer, wherein either the first or the second mirror is a partial mirror; and

means for supporting and positioning the second mirror.

2. The viewing device of claim 1 wherein both the first and second mirrors are partial mirrors.

3. The viewing device of claim 1 wherein the first and second mirrors are positioned so that the total optical path length from the center of the face of the computer monitor screen to the center of the first mirror, from the center of the first mirror to the center of the second mirror, and from the center of the second mirror to the eyes of a viewer seated at a first position is about 9 to 15 inches longer than the optical path length from the face of the computer monitor screen to the eyes of the same viewer seated in the first position.

4. The device according to claim 1 wherein the viewing device is configured so that, when the device is in place for viewing the computer monitor screen, the distance from the center of the computer monitor screen to the center of the first mirror is from about 3 to about 5 inches, and the distance from the center of the first mirror to the center of the second mirror is from about 7 to about 11 inches.

5. The viewing device of claim 1 wherein at least one of the first and second mirrors is a front surface mirror.

6. The viewing device of claim 1 wherein both the first and second mirrors are partial front surface mirrors.

7. The viewing device of claim 1 mounted in place on a computer for viewing the computer monitor screen, and wherein the computer incorporates a movable keyboard, the support for positioning the second mirror being configured to enable the second mirror to be positioned adjacent the computer keyboard so that the image in the second mirror and the keyboard can be viewed simultaneously without moving the head.

8. The viewing device of claim 1 wherein the second mirror is positioned below the first mirror.

9. The viewing device of claim 1 further comprising a radiation shield to substantially block from the viewer the radiation emitted from the monitor.

10. The viewing device of claim 9 wherein the radiation shield is located between the back of the first mirror and the viewer.

11. The viewing device of claim 1 wherein the means for supporting and positioning the second mirror includes a support having a pivot thereon, the second mirror being mounted on the pivot for rotational movement about the pivot.

12. The viewing device of claim 1 wherein the means for supporting and positioning the first mirror and the means for supporting and positioning the second mirror are incorporated into a single mounting structure.

13. The viewing device of claim 12 wherein the single mounting structure is attached to a base member configured to support a computer monitor.

14. The viewing device of claim 13 wherein the base member comprises a thin, rigid member insertable between a computer and a computer monitor.

15. The viewing device of claim 12 wherein the single mounting structure includes a portion configured to support a computer monitor and to provide a storage space beneath the mounting structure.

16. The viewing device of claim 12 additionally comprising a pivot clamp assembly comprising a hinge attached to one side of the single mounting structure and means for mounting the hinge and mounting structure onto the side of the computer monitor.

17. The viewing device of claim 16 wherein the pivot clamp assembly hinge rotates about a hinge pin, and means are provided to adjust the force required to provide such rotation.

18. The viewing device of claim 17 wherein the pivot clamp assembly incorporates means to move the mounting structure along the height of the computer monitor screen.

19. The viewing device of claim 1 wherein the first mirror is positioned at approximately a 45°

angle with a vertical axis.

20. The viewing device of claim 12 wherein the single mounting structure comprises a pair of sides which substantially shield the screen of the monitor when viewed from the sides of the screen.

21. The viewing device of claim 20 wherein the first mirror is larger than the second mirror.

22. The viewing device of claim 1 wherein the first and second mirrors are transparent front surface mirrors comprising a layer of black paint applied onto their back surfaces.

23. The viewing device of claim 1 wherein the second mirror has a concave or a convex reflective surface.

24. A device for viewing a computer monitor screen comprising:

a first front surface partial mirror positioned to reflect an image from a computer monitor screen;

means for supporting and positioning the first mirror;

a second front surface partial mirror positioned to reflect the image reflected by the first mirror toward the eyes of a viewer;

means for supporting and positioning the second mirror; and

a radiation shield located adjacent the back surface of the first mirror between the computer monitor screen and the viewer.

25. The viewing device of claim 24 wherein the means for supporting and positioning the first mirror and the means for supporting positioning the second mirror are incorporated into a single mounting structure.

26. The viewing device of claim 25 wherein the mounting structure includes means for adjusting the height of the first mirror relative to the height of the second mirror.

27. The viewing device of claim 25 wherein the first mirror is mounted in a housing and the first mirror-positioning means comprises a pair of channels on opposite sides of the mounting structure in which the mirror housing is slidably mounted, a resilient material being provided in at least one of the channels to frictionally engage the adjacent edge of the mirror housing to hold the housing in place.

28. The viewing device of claim 24 wherein the first mirror housing is mounted in the channels so as to position the mirror at about a 45°

angle from vertical.

29. The viewing device of claim 24 wherein the second mirror is smaller than the first mirror, the means for supporting and positioning the second mirror includes a support having a pivot thereon, and the second mirror is mounted on the pivot for rotational movement about the pivot.

30. A device for viewing a screen of a computer monitor comprising:

a first mirror positioned to reflect an image from a computer monitor screen;

a second mirror positioned to reflect the image reflected by the first mirror toward the eyes of a viewer;

a mounting unit for positioning and supporting the first and second mirrors; and

a joining member for securing the mounting unit to the top and sides of a monitor, the joining member being detachable from the mounting unit and being secured between the monitor and mounting unit by means of hook and loop fasteners.

31. A device for viewing a screen of a computer monitor comprising:

a first mirror positioned to reflect an image from a computer monitor screen;

a second mirror positioned to reflect the image reflected by the first mirror toward the eyes of a viewer;

a mounting unit for positioning and supporting the first and second mirrors;

a hood for shielding a computer monitor screen from view from the top and the sides;

hook and loop fasteners to secure the hood to the mounting unit; and

hook and loop fasteners to secure the hood to the computer monitor.

32. A device for viewing a computer monitor screen comprising:

a first mirror positioned to reflect an image from a computer monitor screen;

a support for positioning the first mirror;

a lens for modifying the image reflected by the first mirror;

a second mirror shaped and positioned to reflect the image modified by the lens toward the eyes of a viewer; and

a support for positioning the second mirror.

33. The viewing device of claim 32 wherein the position of the second mirror is adjustable to accommodate viewer position and height.

34. The viewing device of claim 33 further comprising a friction brake for resisting the movement of the second mirror.

35. A device for viewing a screen of a computer monitor comprising:

a first mirror positioned to reflect an image from a computer monitor screen;

a second mirror positioned to reflect the image reflected by the first mirror toward the eyes of a viewer; and

a mounting unit for positioning and supporting the first and the second mirrors, the mounting unit including a projection which is securable to the top of a computer monitor by means of a hook and loop fastener secured to the projection which mates with a hook and loop fastener secured to the top of the computer monitor to thereby hang the mounting unit from the monitor.

36. A device for viewing a computer monitor screen comprising:

a first mirror positioned to reflect an image from a computer monitor screen;

means for supporting and positioning the first mirror;

a second mirror positioned to reflect the image reflected by the first mirror toward the eyes of a viewer, wherein either the first or the second mirror is a front surface mirror; and

means for supporting and positioning the second mirror; and

at least one of the mirrors is a partial mirror.

37. The viewing device of claim 36 wherein both the first and second mirrors are front surface mirrors.