GB2176913B - Movement of electronic watch of analog display type - Google Patents

Movement of electronic watch of analog display type

Info

Publication number
GB2176913B
GB2176913B GB08612200A GB8612200A GB2176913B GB 2176913 B GB2176913 B GB 2176913B GB 08612200 A GB08612200 A GB 08612200A GB 8612200 A GB8612200 A GB 8612200A GB 2176913 B GB2176913 B GB 2176913B
Authority
GB
United Kingdom
Prior art keywords
movement
display type
electronic watch
analog display
analog
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
GB08612200A
Other versions
GB2176913A (en
GB8612200D0 (en
Inventor
Masayoshi Tanazawa
Masaru Shoji
Wataru Yamada
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
Priority claimed from JP60094371A external-priority patent/JPS61254129A/en
Priority claimed from JP1985094371U external-priority patent/JPS623085U/ja
Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Publication of GB8612200D0 publication Critical patent/GB8612200D0/en
Publication of GB2176913A publication Critical patent/GB2176913A/en
Application granted granted Critical
Publication of GB2176913B publication Critical patent/GB2176913B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/008—Mounting, assembling of components
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B13/00—Gearwork
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • G04B13/027—Wheels; Pinions; Spindles; Pivots planar toothing: shape and design
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B29/00—Frameworks
    • G04B29/02—Plates; Bridges; Cocks
    • G04B29/027—Materials and manufacturing
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C13/00—Driving mechanisms for clocks by master-clocks
    • G04C13/08—Slave-clocks actuated intermittently
    • G04C13/10—Slave-clocks actuated intermittently by electromechanical step advancing mechanisms
    • G04C13/11—Slave-clocks actuated intermittently by electromechanical step advancing mechanisms with rotating armature

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Metallurgy (AREA)
  • Electromechanical Clocks (AREA)
GB08612200A 1985-05-01 1986-05-20 Movement of electronic watch of analog display type Expired GB2176913B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP60094371A JPS61254129A (en) 1985-05-01 1985-05-01 Preparation of culture medium in mushroom artificial culture
JP1985094371U JPS623085U (en) 1985-06-24 1985-06-24

Publications (3)

Publication Number Publication Date
GB8612200D0 GB8612200D0 (en) 1986-06-25
GB2176913A GB2176913A (en) 1987-01-07
GB2176913B true GB2176913B (en) 1988-08-10

Family

ID=26435641

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08612200A Expired GB2176913B (en) 1985-05-01 1986-05-20 Movement of electronic watch of analog display type

Country Status (1)

Country Link
GB (1) GB2176913B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4853909A (en) * 1987-04-09 1989-08-01 Casio Computer Co., Ltd. Time correction mechanism for an analog timepiece using plastic gears for transmitting the rotation of the manual operation member to the hands
US4888507A (en) * 1988-10-27 1989-12-19 Timex Corporation Stepping motor rotor assembly for an electronic timepiece
RU2078366C1 (en) * 1992-05-25 1997-04-27 Акционерное общество "1-й Московский часовой завод" Electronic clock-work

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2006093B (en) * 1977-10-14 1982-03-24 Citizen Watch Co Ltd Plastic parts for timepieces
JPS56140279A (en) * 1980-04-01 1981-11-02 Citizen Watch Co Ltd Construction of hand type electronic wristwatch
GB2085621B (en) * 1980-10-21 1984-07-25 Suwa Seikosha Kk Timepiece
US4443112A (en) * 1982-09-29 1984-04-17 Timex Corporation Planetary gear for date mechanism in a wristwatch

Also Published As

Publication number Publication date
GB2176913A (en) 1987-01-07
GB8612200D0 (en) 1986-06-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020520