EP0196869A1 - Kalendervorrichtung und deren Arbeitsweise - Google Patents

Kalendervorrichtung und deren Arbeitsweise Download PDF

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Publication number
EP0196869A1
EP0196869A1 EP86302232A EP86302232A EP0196869A1 EP 0196869 A1 EP0196869 A1 EP 0196869A1 EP 86302232 A EP86302232 A EP 86302232A EP 86302232 A EP86302232 A EP 86302232A EP 0196869 A1 EP0196869 A1 EP 0196869A1
Authority
EP
European Patent Office
Prior art keywords
scale
members
year
day
scale members
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP86302232A
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English (en)
French (fr)
Other versions
EP0196869B1 (de
Inventor
Ali Ahmad
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Salimul Hassan Alvi
Original Assignee
Salimul Hassan Alvi
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 Salimul Hassan Alvi filed Critical Salimul Hassan Alvi
Priority to AT86302232T priority Critical patent/ATE54214T1/de
Publication of EP0196869A1 publication Critical patent/EP0196869A1/de
Application granted granted Critical
Publication of EP0196869B1 publication Critical patent/EP0196869B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • G09D3/06—Perpetual calendars wherein members bearing the indicia are movably mounted in the calendar with rotatable members
    • G09D3/08—Perpetual calendars wherein members bearing the indicia are movably mounted in the calendar with rotatable members of disc form

Definitions

  • This invention relates to calendar apparatus and a method of calculating dates .
  • calculating dates as used in this specification it is intended to refer to the identification of the name of the day of the week ( Sunday , Monday , Tuesday , etc. ) corresponding to a given day or series of days in a chosen month or year .
  • calendar apparatus adapted for use in accordance with the present universal calendar known as the Gregorian calendar introduced in October 1582 AD .
  • calendar apparatus 10 comprises a main body 12 having arcuate cut-outs 14 and 16 , and a further arcuate slot 18 for a purpose to be described.
  • a disc 20 shown in Fig. 3 is mounted below main body 12 so as to be visible and actuatable through cut-outs 14 , 16 and 18 .
  • Disc 20 has apertures 22 for actuation purposes and is mounted for rotation about an axis 24 by means of a pivot pin or the like (not shown ) extending through main body 12 .
  • Main body 12 and disc 20 constitute scale members mounted so as to be position-adjustable relative to each other and having printed thereon data defining dates , namely years , months , day names , and day numbers .
  • This data is printed in the form of scales whereby the day names can be set with respect to the day numbers for chosen dates within a range of several centuries.
  • the arrangement of scales on the scale members 12 , 20 is as follows.
  • year scales 28 comprising a century scale 30 , a primary duodecade scale 32 , a secondary duodecade scale 34 and a reference scale 36 .
  • Century scale 30 is printed in arcuate form on disc 20 so as to be visible through slot 16 and comprises the numerals 0 , 1 , 2 and 3 suitably positioned and spaced by means of crosses .
  • Primary duodecade scale 32 is printed on main body 12 in the form of a generally linear row of numbers , namely 0 , 20 , 40 , 60 , and 80 . These are suitably spaced by dashes and refer to the duodecades or periods of 20 years within any given century under calculation.
  • Secondary duodecade scale 34 is printed on main body 12 alongside primary duodecade scale 32 .
  • Scale 34 includes the numbers from 0 to 19 within any chosen duodecade. These numbers being suitably positioned for the purpose of the method employed in the apparatus .
  • Reference scale 36 is printed on disc 20 in arcuate form and alongside scale 30 so as to be visible through arcuate slot 16 .
  • Scale 36 comprises reference symbols in the form of letters of the alphabet arranged alongside the century-defining integers of scale 30 .
  • a scale 38 of months In addition to the year scales 28 , there are provided a scale 38 of months , a scale 40 of day names , and a scale 42 of day numbers.
  • Months scale 38 is printed on main body 12 at the left hand end thereof .
  • the months are arranged in three linear columns and suitably spaced for the purpose of the method . It will be noted that the months of January and February appear twice , once in normal display , and once with accentuation of the boxes in which they appear. These latter occurrences of the months of January and February correspond to leap years for use in the method employed in the apparatus , as described below.
  • Day name scale 40 is printed in arcuate form on one side of disc 20 so as to be visible through arcuate slot 14 in main body 12 , as shown in Figs. 1 and 2.
  • Day number scale 42 is printed on main body 12 at the right hand end thereof to co-operate with the day name scale by means of the printed lines linking the two.
  • the apparatus is employed as follows. All that is required is to set movable disc 20 to a first or reference position , and then to move it onwards to a final or date position.
  • Figs. 1 and 2 show the use of the apparatus in calculating the name of the day of the week corresponding to a well known date in the past.
  • Sunday June 25th. 1916 was the Sunday preceding the start of the combined British and French offensive known as the Battle of the Somme on the following Saturday , July 1st. 1916.
  • the calculation of the name of the day of the week corresponding to 25th. June 1916 is shown in Figs. 1 and 2.
  • the first step in this process is to set disc 20 to its first or reference position by setting the century scale 30 .
  • To set the century scale one first performs a simple calculation to identify the relevant century on scale 30. To do this , one takes the two digits of the century ( 19 in this case ) and divides them by the number 4 , leaving the remainder 3 in this case. The number 3 ( corresponding to this remainder ) on century scale 30 thus designates the relevant century ( for the date 1916 ) and is then used for setting the first position of disc 20.
  • This first position of disc 20 is obtained by setting numeral 3 in century scale 30 against the primary duodecade scale 32 .
  • duodecade scale 32 The position on duodecade scale 32 against which numeral 3 should be set is determined by the duodecade concerned.
  • the relevant numeral in century scale 30 (which is " 3 " for the twentieth century ) is set against the numeral in duodecade scale 32 corresponding to the start of the duodecade concerned .
  • the numeral 3 in scale 30 has been set against the figure 0 in scale 32 , because the duodecade containing the year 1916 ( from 1900 to 1920 ) starts at 0. This is the first or reference position of disc 20.
  • disc 20 is moved onwards to its final or date position. This is done by setting a reference symbol corresponding to the year in question on scale 36 of disc 20 ( and identified by means of the disc's first position , as described above ) against the month in question on month scale 38 on main body 12.
  • the remainder obtained by subtracting the duodecade start number ( in this case 1900 ) from the full number of the year concerned ( in this case 1916 ) is obtained , and in this case is 16 .
  • the position of the numeral 16 in the secondary duodecade scale 34 is then used to identify a reference symbol opposite it in reference scale 36 .
  • the reference symbol concerned is the letter " E " . This symbol corresponds to the year 1916 and now merely needs to be set against the relevant month , namely June , to produce the final or date position of disc 20 .
  • disc 20 is rotated ( by means of apertures 22 using slot 18 and a pointed instrument such as a pencil ), until reference symbol E is opposite the relevant month ( June in this case ) .
  • This position is shown in Fig. 1 .
  • the above process can be employed for calculating any other required date within the range of the calendar.
  • month scale 38 the actual position of the months could be changed in the lateral direction.
  • the duplicated months January and February as highlighted in this scale are employed in leap years , that is when the year number is divisible by four .
  • the method of calculation underlying the embodiment described above may be suitable to be programmed into a digital calculator and it is intended that a claim to calculating apparatus so programmed may be included in this application in due course.

Landscapes

  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Basic Packing Technique (AREA)
  • Confectionery (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Labeling Devices (AREA)
  • Calculators And Similar Devices (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • External Artificial Organs (AREA)
  • Switches With Compound Operations (AREA)
  • Electromechanical Clocks (AREA)
EP86302232A 1985-03-28 1986-03-26 Kalendervorrichtung und deren Arbeitsweise Expired - Lifetime EP0196869B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86302232T ATE54214T1 (de) 1985-03-28 1986-03-26 Kalendervorrichtung und deren arbeitsweise.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8508099A GB2173021B (en) 1985-03-28 1985-03-28 Calendar apparatus and method
GB8508099 1985-03-28

Publications (2)

Publication Number Publication Date
EP0196869A1 true EP0196869A1 (de) 1986-10-08
EP0196869B1 EP0196869B1 (de) 1990-06-27

Family

ID=10576812

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86302232A Expired - Lifetime EP0196869B1 (de) 1985-03-28 1986-03-26 Kalendervorrichtung und deren Arbeitsweise

Country Status (5)

Country Link
EP (1) EP0196869B1 (de)
JP (1) JPS61251891A (de)
AT (1) ATE54214T1 (de)
DE (1) DE3672314D1 (de)
GB (1) GB2173021B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU646790B3 (en) * 1993-11-12 1994-03-03 No. 1 Little Collins St. Pty. Ltd. Indicating device
US5678862A (en) * 1993-11-12 1997-10-21 No. 1 Little Collins St. Pty., Ltd. Indicating device
SG87124A1 (en) * 2000-07-12 2002-03-19 Vishnu Nayak Dayanand Daya - calendar

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2194332A5 (de) * 1972-07-27 1974-02-22 Schramm Pierre
US3805430A (en) * 1972-04-07 1974-04-23 C Smader Perpetual calendar

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB698886A (de) *
GB368046A (de) *
GB339571A (de) *
GB249722A (en) * 1925-07-14 1926-04-01 William Henry Draughon Improvement in calendars
GB1222556A (en) * 1968-03-23 1971-02-17 Albert Alexander Dickson Improvements in or relating to calendars
US3694943A (en) * 1969-01-13 1972-10-03 Domenico De Filippo Plurimillenary automatic universal calendar having time division reproducing scales of a slidable type

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805430A (en) * 1972-04-07 1974-04-23 C Smader Perpetual calendar
FR2194332A5 (de) * 1972-07-27 1974-02-22 Schramm Pierre

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU646790B3 (en) * 1993-11-12 1994-03-03 No. 1 Little Collins St. Pty. Ltd. Indicating device
US5678862A (en) * 1993-11-12 1997-10-21 No. 1 Little Collins St. Pty., Ltd. Indicating device
SG87124A1 (en) * 2000-07-12 2002-03-19 Vishnu Nayak Dayanand Daya - calendar

Also Published As

Publication number Publication date
JPS61251891A (ja) 1986-11-08
GB2173021B (en) 1989-06-28
DE3672314D1 (de) 1990-08-02
GB8508099D0 (en) 1985-05-01
GB2173021A (en) 1986-10-01
EP0196869B1 (de) 1990-06-27
ATE54214T1 (de) 1990-07-15

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