Industry
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CPC
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G09F11/00
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Sub Industries
G09F11/02the display elements being secured to rotating members
G09F11/025the members being rotated simultaneously, each face of the member carrying a part of the sign
G09F11/04the elements being secured to rotating discs
G09F11/06the elements being stiff plates or cards
G09F11/08the elements being flexible sheets
G09F11/10Electrical control therefor
G09F11/12the display elements being carried by endless belts, chains, or the like
G09F11/14the elements being in the form of stiff flaps, boards, cards, or the like
G09F11/15the elements being flexible sheets
G09F11/16Electric control therefor
G09F11/18the display elements being carried by belts, chains, or the like other than endless
G09F11/20the elements being in the form of stiff flaps, boards, cards or the like
G09F11/21the elements being flexible sheets
G09F11/22Electric control therefor
G09F11/23the advertising or display material forming part of rotating members
G09F11/232Disc card or folded disc shaped card information display devices
G09F11/235Electric control therefor
G09F11/24the advertising or display material forming part of a moving band
G09F11/26of an endless band
G09F11/28Electric control therefor
G09F11/29of a band other than endless
G09F11/295Electric control therefor
G09F11/30the display elements being fed one by one from storage place to a display position
G09F11/32the feeding means comprising belts or chains
G09F11/325the display elements being stored in the form of rolls fixed in between transporting belts or chains
G09F11/34the feeding means comprising electromagnets