Apparatus and method for digitized video system

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(11)

EP 0 385 706 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	31.07.1991 Bulletin 1991/31

(43)	Date of publication A2:
	05.09.1990 Bulletin 1990/36

(21)	Application number: 90302049.3

(22)	Date of filing: 27.02.1990

(51)	International Patent Classification (IPC)⁵: G09F 9/37, G02B 6/08

(84)	Designated Contracting States:
	DE FR GB IT NL

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Priority:

27.02.1989 US 315661
27.02.1989 US 315745
27.02.1989 US 315939

(71)	Applicant: TEXAS INSTRUMENTS INCORPORATED
	Dallas Texas 75265 (US)

(72)	Inventors:
	Thompson, E. Earle Dallas Texas 75248 (US) Demond, W. Thomas Richardson Texas 75081 (US)

(74)	Representative: Abbott, David John et al
	Abel & Imray Northumberland House 303-306 High Holborn London, WC1V 7LH London, WC1V 7LH (GB)

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References cited: :

(54)	Apparatus and method for digitized video system

(57) A digitized video system with an increased viewing angle having a light projector and a display screen. The light projector generating a plurality of narrow light beams to impinge on the display screen at a plurality of associated points. The display screen has a transducer generating surface acoustic waves which traverse the associated points. This results in reduced laser speckle.

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