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IL83441A0 - Perpetual calendars for the blind - Google Patents

Perpetual calendars for the blind

Info

Publication number
IL83441A0
IL83441A0 IL83441A IL8344187A IL83441A0 IL 83441 A0 IL83441 A0 IL 83441A0 IL 83441 A IL83441 A IL 83441A IL 8344187 A IL8344187 A IL 8344187A IL 83441 A0 IL83441 A0 IL 83441A0
Authority
IL
Israel
Prior art keywords
blind
perpetual calendars
perpetual
calendars
Prior art date
Application number
IL83441A
Original Assignee
Hoyeck Ralph Haber
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoyeck Ralph Haber filed Critical Hoyeck Ralph Haber
Publication of IL83441A0 publication Critical patent/IL83441A0/en

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
    • G09F7/02—Signs, plates, panels or boards using readily-detachable elements bearing or forming symbols
    • G09F7/14—Constructional features of the symbol bearing or forming elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/20—Curve rulers or templets
    • B43L13/201—Stencils for drawing figures, objects
    • B43L13/208—Stencils for drawing figures, objects letters, numbers, symbols
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09D—RAILWAY OR LIKE TIME OR FARE TABLES; PERPETUAL CALENDARS
    • G09D3/00—Perpetual calendars
    • G09D3/04—Perpetual calendars wherein members bearing the indicia are movably mounted in the calendar
    • G09D3/10—Perpetual calendars wherein members bearing the indicia are movably mounted in the calendar with members in band form
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Insulated Conductors (AREA)
  • Saccharide Compounds (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
IL83441A 1986-10-23 1987-08-05 Perpetual calendars for the blind IL83441A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000521183A CA1233447A (en) 1986-10-23 1986-10-23 Perpetual blind calendar (pbc)

Publications (1)

Publication Number Publication Date
IL83441A0 true IL83441A0 (en) 1988-01-31

Family

ID=4134198

Family Applications (1)

Application Number Title Priority Date Filing Date
IL83441A IL83441A0 (en) 1986-10-23 1987-08-05 Perpetual calendars for the blind

Country Status (6)

Country Link
EP (1) EP0264549A3 (en)
JP (1) JPS63186287A (en)
CN (1) CN87105284A (en)
BR (1) BR8705250A (en)
CA (1) CA1233447A (en)
IL (1) IL83441A0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU625046B3 (en) * 1991-10-31 1992-04-29 John Lawrence Slocomb Variable period diary
CN101817272B (en) * 2010-04-14 2013-08-07 北京联合大学 Wall calendar special for visually-impaired people
CN103225376A (en) * 2012-01-29 2013-07-31 苏兴敏 Indoor wall surface capable of relieving visual fatigue
CN103251210A (en) * 2012-02-20 2013-08-21 苏兴敏 Eyestrain-relief desk top for office work, study and writing
CN115331540B (en) * 2022-10-13 2022-12-27 山东华昱压力容器股份有限公司 Heat exchanger with double-mark structure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2786291A (en) * 1957-03-26 alley
FR1244258A (en) * 1960-01-06 1960-10-21 Perpetual monthly and annual calendars
CS209670B1 (en) * 1978-11-20 1981-12-31 Karel Kolar Universal device for evaluation of calender data
FR2467452A1 (en) * 1979-06-26 1981-04-17 Guyot Martin Perpetual julian or gregorian calendar - has years classified in seven groups recorded in double-entry tables
FR2494468A1 (en) * 1980-11-20 1982-05-21 Garcia Jean Luc Circular type perpetual calendar - uses four discs, one printed on both sides and two annular ones carrying days and dates

Also Published As

Publication number Publication date
CA1233447A (en) 1988-03-01
JPS63186287A (en) 1988-08-01
EP0264549A2 (en) 1988-04-27
BR8705250A (en) 1988-05-24
EP0264549A3 (en) 1989-07-19
CN87105284A (en) 1988-05-04

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