Picture pick-up and display system with electronic and printed p

Details Picture pick-up and display system with electronic and printed p Picture pick-up and display system with electronic and printed p

1987-12-01

1989-01-31

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 10, 358 76, H04N 702

Patent

active

048020079

ABSTRACT:
A system having a picture pick-up device (CAM) such as a camera, a picture signal storage device (Dsc) in the form of a disc, for example, and in a picture signal source (VPC) a playing device (VP) suitable for this disc, coupled to an electronic picture display device (Vmon) or still picture printer (Prt), respectively. During the adjusting operation a reference test pattern signal coming from a generator (Tst) is applied to the picture display device (Vmon) or printer (Prt), respectively, through a picture signal processing circuit (Proc). Subsequently, the pick-up device (CAM) picks up the picture displayed or the picture printed, respectively, and the picture signal obtained thus is stored in a storage device (Dsc). Then, this picture signal and the reference picture signal are compared in a signal comparing circuit (Comp). Adjusting data corresponding with the differences between these signals are stored in a memory (Mem) coupled to the circuit (Proc). Thus, with the electronic and printed picture display a video channel (V) as well as a printing channel (P) are adjusted. The two channels (V and P) are coupled by setting means (Adj. Proc), so that on account of the picture quality observed on the picture display device (Vmon) a changed picture quality of the printed picture of the (Prt) device is available.

REFERENCES:
patent: 4213147 (1980-07-01), von Buenau
patent: 4415927 (1983-11-01), Penney
patent: 4682246 (1987-07-01), Efron et al.

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