Photography – Camera combined with or convertible to diverse art device – With light beam projector for delineating field of view
Reexamination Certificate
1998-11-18
2001-01-23
Perkey, W. B. (Department: 2851)
Photography
Camera combined with or convertible to diverse art device
With light beam projector for delineating field of view
Reexamination Certificate
active
06178297
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to a camera having laser view framing function, and more particularly to a camera in which the user need not put his/her eyes closely to the camera to observe the range of the view to be taken when taking pictures.
2. Description of the Prior Art
With the advance of technologies, various kinds of electronic multi-function cameras have been developed. Digital cameras can be connected to computers and printers to print out the pictures taken. There is no need to go to a photo lab to have the films processed, developed and printed.
However, the user still needs to look through the viewfinder closely when taking a picture (in the case of a digital camera, the user has to look at the liquid crystal display) so that he/she can frame the object he/she wants to take a picture of, determine the range of the view and focus. The user also has to adjust the angle of the camera and depth of the field, etc.
With such a view-finding structure, as the user has to look attentively at the small viewfinder or the liquid crystal display, it is eye straining and time-consuming. It will not be very inconvenient to take a view if it is substantially at the eye level. But if the view to be taken is far above or below the eye level, and in order to achieve a best effect, the user cannot tilt the camera upwardly or downwardly and has to shoot the picture with the camera in a normal upright position, he/she may need to bend or stand on a chair to try catch the view, which is very troublesome.
SUMMARY OF THE INVENTION
According to the first aspect of the present invention, a camera with laser view framing function is provided with a laser generator near the lens. The laser generator has a laser beam hole provided with a shade having a frame profile through hole so that the laser beam emitted by the laser generator has the profile of a frame that frames the area of which a user is taking a picture. Hence, the user need not put his/her eyes closely to the camera to observe the range of the view to be taken. He/she may simply look at the area framed by the laser beam to know the range of the view.
According to the second aspect of the present invention, the laser beam frame generated by the laser generator is enlarged and projected around the object to be taken. Therefore, the view is very clear. If the object is far below or above the user's eye level, the user can simply hold the camera up or down at a suitable position while kneeling or squatting, without the need to bend or stand on other objects. He/she can easily judge the range of the view by looking at the framed area.
According to the third aspect of the present invention, the shade at the front end of the laser generator can diffuse the laser beam to a safety limit value that will not harm the human body. Even if the laser beam is projected on a person of whom a picture is to be taken, it will not harm the person. Use of the present invention is therefore safe.
The foregoing objects and summary provide only a brief introduction to the present invention. To fully appreciate these and other objects of the present invention as well as the invention itself, all of which will become apparent to those skilled in the art, the following detailed description of the invention and the claims should be read in conjunction with the accompanying drawings. Throughout the specification and drawings identical reference numerals refer to identical or similar parts.
REFERENCES:
patent: 5059019 (1991-10-01), McCullough
patent: 5694632 (1997-12-01), Capper
patent: 5752115 (1998-05-01), McIntyre et al.
A & J
Opcom Inc.
Perkey W. B.
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