Printer with dual color density regulation

Details Printer with dual color density regulation Printer with dual color density regulation

1991-10-29

1993-02-23

Fuller, Benjamin R.

Recorders

Thermal recording

358298, G01D 1510

Patent

active

051894408

ABSTRACT:
A printer for printing variable density, multiple color prints in response to commands for controlling parameters, such as color density of a printed image, and image data sent from a host computer includes a CPU responsive to commands from the host computer; a first variable density regulating circuit storing color density correction data, receiving image data from the host computer, and connected to and controlled by the CPU for totally regulating the color density of a color image to be printed and outputting totally regulated image data; a second variable density regulating circuit connected to the first variable density regulating circuit and to the CPU and storing a plurality of predetermined density regulating data for finely regulating the color density of the color image to be printed in response to the totally regulated image data received from the first variable density regulating circuit and one of the predetermined density regulating data selected by an operator through the CPU and outputting finely regulated image data; and a printing device connected to the second variable density regulating circuit for receiving the finely regulated image data from the second variable density regulating circuit and printing the color image in response.

REFERENCES:
patent: 4340911 (1982-07-01), Kato et al.
patent: 4795281 (1989-01-01), Ulinski, Sr. et al.
patent: 4827279 (1989-05-01), Lubinsky et al.
patent: 4939581 (1990-07-01), Shalit

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