Electronic displays

Details Electronic displays Electronic displays

G - Physics

09

G

375/53

G09G 3/00 (2006.01)

Patent

CA 1229687

SPECIFICATION BE IT KNOWN, that we, JOHN LEWIS GLASPER, Eastlea, Homend Crescent, Ledbury, Herefordshire, England; IAN ALEXANDER SHANKS, 56 The Bury, Pavenham, Bedford t England, having made an invention entitled ELECTRONIC DISPLAYS, the following disclosure contains a correct and full description of the invention and of the best mode known to the inventors of taking advantage of the same: ABSTRACT OF THE DISCLOSURE A polar co-ordinate display of full 360° arc comprised of electrode bearing substrates each side of an electrically responsive medium. One set of electrodes is configured as a number of concentric spirals, allowing connection at the display periphery. The other set of electrodes may be radial or counter spiral. The display may be addressed using a set of isogonal signals - for example pseudo-random binary sequence coded signals.

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