DE3268926D1 - Leap year compensation system - Google Patents

Leap year compensation system

Info

Publication number
DE3268926D1
DE3268926D1 DE8282103270T DE3268926T DE3268926D1 DE 3268926 D1 DE3268926 D1 DE 3268926D1 DE 8282103270 T DE8282103270 T DE 8282103270T DE 3268926 T DE3268926 T DE 3268926T DE 3268926 D1 DE3268926 D1 DE 3268926D1
Authority
DE
Germany
Prior art keywords
compensation system
leap year
year compensation
leap
year
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.)
Expired
Application number
DE8282103270T
Other languages
English (en)
Inventor
Kowji Tanikawa
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.)
Olympus Corp
Original Assignee
Olympus Optical 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
Priority claimed from JP56060782A external-priority patent/JPS57175279A/ja
Priority claimed from JP56060781A external-priority patent/JPS57175278A/ja
Application filed by Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Application granted granted Critical
Publication of DE3268926D1 publication Critical patent/DE3268926D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G99/00—Subject matter not provided for in other groups of this subclass
    • G04G99/006—Electronic time-pieces using a microcomputer, e.g. for multi-function clocks
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/08—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques
    • G04G9/12—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals
    • G04G9/124—Visual time or date indication means by building-up characters using a combination of indicating elements, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals provided with date indication

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electric Clocks (AREA)
DE8282103270T 1981-04-22 1982-04-19 Leap year compensation system Expired DE3268926D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56060782A JPS57175279A (en) 1981-04-22 1981-04-22 Leap year correcting circuit of digital timepiece
JP56060781A JPS57175278A (en) 1981-04-22 1981-04-22 Leap year correcting circuit of digital timepiece

Publications (1)

Publication Number Publication Date
DE3268926D1 true DE3268926D1 (en) 1986-03-20

Family

ID=26401839

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282103270T Expired DE3268926D1 (en) 1981-04-22 1982-04-19 Leap year compensation system

Country Status (3)

Country Link
US (1) US4447160A (de)
EP (1) EP0063771B1 (de)
DE (1) DE3268926D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040047243A1 (en) * 2001-11-09 2004-03-11 Karageorge John Anthony Perpetual solar and seasonal calendar system
KR100542361B1 (ko) * 2003-02-12 2006-01-10 삼성전자주식회사 피피피오이 네트워크 시스템 및 이 시스템의 접속 방법

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3333410A (en) * 1965-04-02 1967-08-01 Instr For Industry Inc Electronic clock-calendar
US3961472A (en) * 1971-05-03 1976-06-08 Ragen Semiconductor, Inc. Solid state electronic timepiece
GB1368866A (en) * 1971-10-05 1974-10-02 Seiko Instr & Electronics Electronic timepiece
US3866406A (en) * 1973-02-01 1975-02-18 Time Computer Solid state electronic wristwatch
JPS5127967A (de) * 1974-09-03 1976-03-09 Suwa Seikosha Kk
JPH0310916B2 (de) * 1974-10-31 1991-02-14 Citizen Watch Co Ltd
US4133170A (en) * 1975-04-30 1979-01-09 Casio Computer Co., Ltd. Global timepiece
JPS5270876A (en) * 1975-12-10 1977-06-13 Seiko Epson Corp Timepiece with calendar
JPS53110559A (en) * 1977-03-08 1978-09-27 Citizen Watch Co Ltd Electronic watch
JPS6037437B2 (ja) * 1977-03-30 1985-08-26 カシオ計算機株式会社 カレンダ表示装置
JPS5454077A (en) * 1977-10-06 1979-04-27 Seiko Instr & Electronics Ltd Calendar collecting device for analog electronic watch
US4228644A (en) * 1977-11-16 1980-10-21 Citizen Watch Co., Ltd. Display device for calendar timepieces
US4253169A (en) * 1978-02-07 1981-02-24 Salah Ibrahim M Electronic calculation watch with digital display
US4274146A (en) * 1978-06-12 1981-06-16 Casio Computer Co., Ltd. Calendar data display device for an electronic device
CH616807B (fr) * 1978-07-10 Berney Sa Jean Claude Piece d'horlogerie electronique comportant un disque d'affichage du quantieme et un affichage analogique de l'heure.
EP0008234A1 (de) * 1978-08-11 1980-02-20 Mackay, Simon Brooke, The Baron Tanlaw Elektronische Kalenderanordnung
JPS5539081A (en) * 1978-09-14 1980-03-18 Casio Comput Co Ltd Calendar display system
JPS5547472A (en) * 1978-09-30 1980-04-03 Citizen Watch Co Ltd Watch with calendar
JPS5575675A (en) * 1978-12-04 1980-06-07 Seikosha Co Ltd Calender mechanism
US4361874A (en) * 1979-09-20 1982-11-30 Casio Computer Co., Ltd. Schedule table printing apparatus
GB2077465B (en) * 1980-06-06 1984-07-04 Casio Computer Co Ltd Compact electronic device having calendar function

Also Published As

Publication number Publication date
US4447160A (en) 1984-05-08
EP0063771A1 (de) 1982-11-03
EP0063771B1 (de) 1986-02-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee