(19)
(11) EP 0 264 549 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
19.07.1989 Bulletin 1989/29

(43) Date of publication A2:
27.04.1988 Bulletin 1988/17

(21) Application number: 87110761.1

(22) Date of filing: 24.07.1987
(51) International Patent Classification (IPC)4: G09D 3/04
(84) Designated Contracting States:
DE ES FR GB GR IT NL SE

(30) Priority: 23.10.1986 CA 521183

(71) Applicant: Hoyeck, Ralph Haber
Westmount Quebec H3Z 1J5 (CA)

(72) Inventor:
  • Hoyeck, Ralph Haber
    Westmount Quebec H3Z 1J5 (CA)

(74) Representative: May, Hans Ulrich, Dr. 
Patentanwalt Dr.H.U.May, Thierschstrasse 27
D-80538 München
D-80538 München (DE)


(56) References cited: : 
   
       


    (54) Perpetual blind calendars


    (57) The present invention deals with perpetual wall, desk and pocket calendars and combined calendars using an assembly of weekdays unit and monthly unit or units set in parallel or concentric relation with each other, fastened in between guides on a baseboard, suspended on transparent films in a venetian blind pattern, strapped around transparent concentric drums, packed in a slide rule pattern or as concentric rings/discs rotating around a central pin, with solid or flexible cursors to identify the current day and its date and large displays of the current day and date by means of One Letter Alphabet (OLA) common variable symbols and coloured, luminous or physical display means that could be visually read at large distance and could be read by the blind through touching process.







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