JPS522565A - Optical clock device - Google Patents

Optical clock device

Info

Publication number
JPS522565A
JPS522565A JP50077952A JP7795275A JPS522565A JP S522565 A JPS522565 A JP S522565A JP 50077952 A JP50077952 A JP 50077952A JP 7795275 A JP7795275 A JP 7795275A JP S522565 A JPS522565 A JP S522565A
Authority
JP
Japan
Prior art keywords
optical clock
clock device
rotary disc
disc type
type indication
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
JP50077952A
Other languages
Japanese (ja)
Inventor
Shizuo Yamamoto
Ryoichi Takahashi
Koji Hamada
Rintaro Nishina
Kazuhiro Saito
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.)
Tamura Electric Works Ltd
Original Assignee
Tamura Electric Works 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 Tamura Electric Works Ltd filed Critical Tamura Electric Works Ltd
Priority to JP50077952A priority Critical patent/JPS522565A/en
Publication of JPS522565A publication Critical patent/JPS522565A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C17/00—Indicating the time optically by electric means
    • G04C17/005—Indicating the time optically by electric means by discs

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)

Abstract

PURPOSE:By such means as rotary disc type indication of second reading etc., the digital optical clock with a simpler mechanism and better operability is obtained.
JP50077952A 1975-06-24 1975-06-24 Optical clock device Pending JPS522565A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50077952A JPS522565A (en) 1975-06-24 1975-06-24 Optical clock device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50077952A JPS522565A (en) 1975-06-24 1975-06-24 Optical clock device

Publications (1)

Publication Number Publication Date
JPS522565A true JPS522565A (en) 1977-01-10

Family

ID=13648339

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50077952A Pending JPS522565A (en) 1975-06-24 1975-06-24 Optical clock device

Country Status (1)

Country Link
JP (1) JPS522565A (en)

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