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US 6,980,322 B1Granted
Image forming apparatus in which light emitted by an exposing light source is conducted by an optical waveguide
AssigneeMinolta Co., Ltd.
InventorsTakatoshi Hamada, Yoshikazu Watanabe, Masao Naito
Life of this patent
Estimating the term…
Abstract
An image forming apparatus includes a light source for emitting light constituting an optical signal, an optical waveguide for conducting the light emitted by the light source and an engine portion for receiving the light conducted by the optical waveguide. The engine portion includes a modulator for modulating the received light and a target on which an image corresponding to the optical signal is formed by being exposed by the modulated light.
Claims19
An image forming apparatus, comprising:
- a light source for emitting light constituting an optical signal;
- an optical waveguide for conducting the light emitted by said light source;
- and
- an engine portion for receiving the light conducted by said optical waveguide,
- wherein said engine portion comprises a modulator for modulating the received light and a target on which an image corresponding to the optical signal is formed by being exposed by the modulated light.
2 more elements
A printer, comprising:
- a control portion for generating light constituting an optical signal corresponding to image information;
- an optical fiber for conducting the light generated by said control portion;
- and
- an engine portion comprising a receiving portion for receiving the light conducted by said optical fiber, an adjusting portion for adjusting the intensity of the received light, and an image forming portion for forming an image corresponding to the optical signal according to the intensity adjusted light.
1 more element
A printer, comprising:
- a control portion for generating light constituting an optical signal corresponding to image information;
- an optical fiber for conducting the light generated by said control portion;
- and
- an engine portion comprising a receiving portion for receiving the light conducted by said optical fiber, a converter for converting the wavelength of the received light, and an image forming portion for forming an image corresponding to the optical signal according to the wavelength adjusted light.
1 more element
An image forming apparatus, comprising:
- an image writing control portion which receives image information and converts the image information into an image forming data;
- a laser driver for generating a controlling signal based on the image forming data;
- a laser for oscillating a laser beam constituting an optical signal corresponding to the image forming data based on the controlling signal;
- an optical fiber which conducts the light oscillated by said laser and outputs the light;
- a polygonal mirror which has a polyhedron configuration and reflects the light conducted by said optical fiber;
- a photosensitive member for forming a latent image by being exposed by the light reflected by said rotating polygonal mirror;
- an optical output sensor for monitoring the intensity of the light reflected by said polygonal mirror;
- and
- an optical output regulator for regulating the intensity of the light output from said optical fiber based on the intensity monitored by said optical output sensor.
6 more elements
An image forming apparatus, comprising:
- an image writing control portion which receives image information and converts the image information into image forming data;
- a laser driver for generating a controlling signal based on the image forming data;
- a laser for oscillating a laser beam constituting an optical signal corresponding to the image forming data based on the controlling signal;
- an optical fiber which conducts the light oscillated by said laser and outputs the light;
- a photosensitive member for forming a latent image by being exposed by the light conducted by said optical fiber;
- and
- a wavelength converter for converting the wavelength of the light output from said optical fiber.
4 more elements
An image forming apparatus, comprising:
- a light source for emitting light constituting an optical signal;
- an image holder on which an image corresponding to the optical signal is formed;
- an optical waveguide for conducting the emitted light on said image holder;
- and
- a modulator for modulating the light conducted by said optical waveguide,
- wherein the emitted light is modulated while constituting the optical signal.
3 more elements
Dependencies are inferred from the claim text.