EP0400542A3 - Astronomical data indicating device - Google Patents

Astronomical data indicating device Download PDF

Info

Publication number
EP0400542A3
EP0400542A3 EP19900110089 EP90110089A EP0400542A3 EP 0400542 A3 EP0400542 A3 EP 0400542A3 EP 19900110089 EP19900110089 EP 19900110089 EP 90110089 A EP90110089 A EP 90110089A EP 0400542 A3 EP0400542 A3 EP 0400542A3
Authority
EP
European Patent Office
Prior art keywords
data
indicating device
data indicating
astronomical
present device
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
EP19900110089
Other languages
German (de)
French (fr)
Other versions
EP0400542B1 (en
EP0400542A2 (en
Inventor
Hiroshi C/O Pat. Dep. Dev. Div. Hamura Sato
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer Co Ltd
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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Publication of EP0400542A2 publication Critical patent/EP0400542A2/en
Publication of EP0400542A3 publication Critical patent/EP0400542A3/en
Application granted granted Critical
Publication of EP0400542B1 publication Critical patent/EP0400542B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Calculators And Similar Devices (AREA)
  • Digital Computer Display Output (AREA)

Abstract

An astronomical data indicating device is provided with a memory (D, H) for storing location data repre­ senting a location on the earth. In the present device, before calculation of astronomical data such as hour angle data of moon and moon phase data, in steps (S32, S33), a first hour angle data and moon phase data for Greenwich Mean Time are calculated regardless of the place where the present device is used, and then hour angle data and moon phase data at the place where the present device is used are calculated. Therefore, the calculation process is performed in a very simple manner.
EP19900110089 1989-05-29 1990-05-28 Astronomical data indicating device Expired - Lifetime EP0400542B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13509689A JP2688649B2 (en) 1989-05-29 1989-05-29 Time information display device
JP135096/89 1989-05-29

Publications (3)

Publication Number Publication Date
EP0400542A2 EP0400542A2 (en) 1990-12-05
EP0400542A3 true EP0400542A3 (en) 1992-01-22
EP0400542B1 EP0400542B1 (en) 1995-02-22

Family

ID=15143741

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900110089 Expired - Lifetime EP0400542B1 (en) 1989-05-29 1990-05-28 Astronomical data indicating device

Country Status (3)

Country Link
EP (1) EP0400542B1 (en)
JP (1) JP2688649B2 (en)
DE (1) DE69017082T2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE36662E (en) * 1992-07-10 2000-04-18 Galison; William A. Display of changing moon on watch face
JPH07119813B2 (en) * 1993-01-11 1995-12-20 渉 山本 Clock with data display function
GB2390185B (en) * 2002-06-28 2005-11-02 Integrated Display Technology Device for predicting the presence of creatures
DE102005032356A1 (en) * 2005-07-08 2007-01-11 Poniwerski, Mark, Dr. Time display apparatus especially a wristwatch with a display for sunrise and sunset

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0042360A2 (en) * 1980-06-10 1981-12-23 Spacetronic Société Anonyme Electronic watch, in particular wrist watch, with digital display and geographic-solar functions
FR2500181A1 (en) * 1981-02-13 1982-08-20 Staiger Feinmech TIME MEASURING APPARATUS
GB2183869A (en) * 1984-12-05 1987-06-10 Citizen Watch Co Ltd Apparatus for displaying astrological information

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0042360A2 (en) * 1980-06-10 1981-12-23 Spacetronic Société Anonyme Electronic watch, in particular wrist watch, with digital display and geographic-solar functions
FR2500181A1 (en) * 1981-02-13 1982-08-20 Staiger Feinmech TIME MEASURING APPARATUS
GB2183869A (en) * 1984-12-05 1987-06-10 Citizen Watch Co Ltd Apparatus for displaying astrological information

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 7 (P-419)(2064) 11 January 1986; & JP-A-60 164 290 (OOSAKI DENKI KOGYO K.K.) 27 August 1985 *

Also Published As

Publication number Publication date
EP0400542B1 (en) 1995-02-22
EP0400542A2 (en) 1990-12-05
JP2688649B2 (en) 1997-12-10
DE69017082T2 (en) 1995-06-14
JPH02311789A (en) 1990-12-27
DE69017082D1 (en) 1995-03-30

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