JPS5712391A - Time correction system of analog timepiece - Google Patents

Time correction system of analog timepiece

Info

Publication number
JPS5712391A
JPS5712391A JP8624680A JP8624680A JPS5712391A JP S5712391 A JPS5712391 A JP S5712391A JP 8624680 A JP8624680 A JP 8624680A JP 8624680 A JP8624680 A JP 8624680A JP S5712391 A JPS5712391 A JP S5712391A
Authority
JP
Japan
Prior art keywords
display
forenoon
afternoon
counter
hour
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.)
Pending
Application number
JP8624680A
Other languages
Japanese (ja)
Inventor
Yoshibumi Yamao
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
Priority to JP8624680A priority Critical patent/JPS5712391A/en
Publication of JPS5712391A publication Critical patent/JPS5712391A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G9/00—Visual time or date indication means
    • G04G9/02—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques
    • G04G9/06—Visual time or date indication means by selecting desired characters out of a number of characters or by selecting indicating elements the position of which represent the time, e.g. by using multiplexing techniques using light valves, e.g. liquid crystals

Abstract

PURPOSE:To display the forenoon and afternoon clearly without providing a dedicated display electrode, by displaying the forenoon and afternoon during time correction through using a ring optical display part other than a time display. CONSTITUTION:The count contents of a minute counter 14 and a hour counter 15 are varied by using a switch S2, a monostable multivibrator 20, a quinary counter 21, a decoder 19, etc., to make time corrections which correspond to minute and hour display on annular minute and hour optical display parts 35b and 35c. During the time corrections, if a high-level output is applied from a prescribed terminal of the counter 21 via an OR circuit 22, an AND gate 23 is opened. Consequently, an AM or PM code counted by an AM/PM counting circuit 16 is applied to a second decoder 31 via the gate 23. Then, the forenoon or afternoon is displayed by an optical display at a prescribed part of an annular second display part 35a. Thus, the forenoon or afternoon indicated clearly upon occasion during time corrections without providing any dedicated electrode, corresponding pins, etc.
JP8624680A 1980-06-25 1980-06-25 Time correction system of analog timepiece Pending JPS5712391A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8624680A JPS5712391A (en) 1980-06-25 1980-06-25 Time correction system of analog timepiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8624680A JPS5712391A (en) 1980-06-25 1980-06-25 Time correction system of analog timepiece

Publications (1)

Publication Number Publication Date
JPS5712391A true JPS5712391A (en) 1982-01-22

Family

ID=13881450

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8624680A Pending JPS5712391A (en) 1980-06-25 1980-06-25 Time correction system of analog timepiece

Country Status (1)

Country Link
JP (1) JPS5712391A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60109794A (en) * 1983-11-15 1985-06-15 Matsushita Electric Works Ltd Drive circuit of stepping motor
JPS6149694A (en) * 1984-08-13 1986-03-11 Pioneer Electronic Corp Drive device for dc motor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60109794A (en) * 1983-11-15 1985-06-15 Matsushita Electric Works Ltd Drive circuit of stepping motor
JPH0341032B2 (en) * 1983-11-15 1991-06-20
JPS6149694A (en) * 1984-08-13 1986-03-11 Pioneer Electronic Corp Drive device for dc motor

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