Device for controlling a rotation of a lens in a digital camera

Details Device for controlling a rotation of a lens in a digital camera Device for controlling a rotation of a lens in a digital camera

1998-01-02

2001-07-24

Ho, Tuan (Department: 2612)

Television

Camera, system and detail

Optics

C348S375000, C348S207110

Reexamination Certificate

active

06266090

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a digital camera and in particular to a device for controlling a rotation of a lens in a digital camera for providing a broad angle of photographing.
BACKGROUND OF THE INVENTION
Conventionally, digital cameras include a lens and a housing and the lens is fixed on the housing and is not rotatable. Therefore, when a digital camera is used to take a picture, the digital camera can only photograph a scenery which is right in the front of the digital camera. However, if the digital camera is used to photograph a scenery in other directions, the digital camera must be rotated so that the desired photographing scenery is right in the front of the digital camera.
Thus, it is desirable to have a device for controlling a rotation of a lens in a digital camera to solve the above problems.
SUMMARY OF THE INVENTION
The principal object of the present invention is to provide a device for controlling a rotation of a lens in a digital camera, by which the lens can be rotated horizontally, while the digital camera is not rotated, to a desired direction so as to take a picture.
In accordance with the present invention, there is provided a device for controlling a rotation of a lens in a digital camera, comprising a lens connected to and exposed out of the housing of a digital camera and a motor disposed within the housing. The lens is provided with a shaft which extends through the housing to have an end of the shaft extending into the interior of the housing which is disposed with a follower gear. The motor is formed with a drive spindle and the drive spindle is disposed with a driving gear. A set of reduction gears are disposed between the follower gear on the shaft of the lens and the driving gear on the drive spindle of the motor. By means of the rotation of the motor, the lens can be rotated horizontally, while the digital camera is not rotated, to a desired direction in order to take a picture.


REFERENCES:
patent: 5557329 (1996-09-01), Lim
patent: 5767905 (1998-06-01), Archambo
patent: 6027257 (2000-02-01), Richards et al.
patent: 6124892 (2000-09-01), Nakamo
patent: 63-287176 (1988-11-01), None
patent: 2-153685 (1990-06-01), None

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