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Application filed by Ou Eel Duenn Co Ltd, Shinichi UedafiledCriticalOu Eel Duenn Co Ltd
Priority to TW086109262ApriorityCriticalpatent/TW346614B/en
Application grantedgrantedCritical
Publication of TW346614BpublicationCriticalpatent/TW346614B/en
Devices For Indicating Variable Information By Combining Individual Elements
(AREA)
Abstract
An electric display apparatus comprising: a plurality of light permeable boards, the surface of at least one side of a board being formed with minute unevenness; and a light source through which a light is incident from at least one side of the light permeable boards with minute unevenness on the surface thereof, into the light permeable boards.
TW086109262A1997-07-011997-07-01An electric display apparatus
TW346614B
(en)
PROCESS AND APPLIANCE FOR READAPTATION OF A STANDARD TELEPHONE OPERATED WITH COINS USING A CARBON MICROPHONE WITH AN ELECTRONIC CONTROLLER ENERGIZED BY THE LINE