DE2640817A1 - Elektrische uhr - Google Patents

Elektrische uhr

Info

Publication number
DE2640817A1
DE2640817A1 DE19762640817 DE2640817A DE2640817A1 DE 2640817 A1 DE2640817 A1 DE 2640817A1 DE 19762640817 DE19762640817 DE 19762640817 DE 2640817 A DE2640817 A DE 2640817A DE 2640817 A1 DE2640817 A1 DE 2640817A1
Authority
DE
Germany
Prior art keywords
electric clock
circuit block
shield
plate
manufacture
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.)
Withdrawn
Application number
DE19762640817
Other languages
German (de)
English (en)
Inventor
Masatoshi Hanaoka
Tadashi Sakuma
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Publication of DE2640817A1 publication Critical patent/DE2640817A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • G04B43/00—Protecting clockworks by shields or other means against external influences, e.g. magnetic fields

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
DE19762640817 1975-09-12 1976-09-10 Elektrische uhr Withdrawn DE2640817A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12569675U JPS5240174U (enrdf_load_stackoverflow) 1975-09-12 1975-09-12

Publications (1)

Publication Number Publication Date
DE2640817A1 true DE2640817A1 (de) 1977-03-17

Family

ID=14916434

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762640817 Withdrawn DE2640817A1 (de) 1975-09-12 1976-09-10 Elektrische uhr

Country Status (4)

Country Link
JP (1) JPS5240174U (enrdf_load_stackoverflow)
DE (1) DE2640817A1 (enrdf_load_stackoverflow)
GB (1) GB1495376A (enrdf_load_stackoverflow)
HK (1) HK15082A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317188A (en) * 1977-02-17 1982-02-23 Kabushiki Kaisha Suwa Seikosha Magnetic shielding plate for a step motor in an electronic wristwatch
CH682031GA3 (en) * 1990-12-11 1993-07-15 Labelling system for uniquely identifying watch movements - uses electronic data chip which stores identification data which may be read by radio transmitting circuit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317188A (en) * 1977-02-17 1982-02-23 Kabushiki Kaisha Suwa Seikosha Magnetic shielding plate for a step motor in an electronic wristwatch
CH682031GA3 (en) * 1990-12-11 1993-07-15 Labelling system for uniquely identifying watch movements - uses electronic data chip which stores identification data which may be read by radio transmitting circuit

Also Published As

Publication number Publication date
GB1495376A (en) 1977-12-14
JPS5240174U (enrdf_load_stackoverflow) 1977-03-22
HK15082A (en) 1982-04-02

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Legal Events

Date Code Title Description
8130 Withdrawal