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GB1499617A - Electronic timepiece - Google Patents

Electronic timepiece

Info

Publication number
GB1499617A
GB1499617A GB3953576A GB3953576A GB1499617A GB 1499617 A GB1499617 A GB 1499617A GB 3953576 A GB3953576 A GB 3953576A GB 3953576 A GB3953576 A GB 3953576A GB 1499617 A GB1499617 A GB 1499617A
Authority
GB
United Kingdom
Prior art keywords
vibrator
electronic timepiece
board
electronic
sept
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
GB3953576A
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 GB1499617A publication Critical patent/GB1499617A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
    • G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
    • G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
    • G04F5/063—Constructional details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

1499617 Electronic timepieces DAINI SEIKOSHA KK 23 Sept 1976 [8 Oct 1975] 39535/76 Heading G3T [Also in Division H1] A vibrator 8, e.g. of quartz crystal, is mounted parallel to and superposed with an integrated circuit 18 to which the vibrator is electrically connected and which is mounted on a circuit board 6 of an electronic timepiece. As shown the I.C. is mounted in an aperture 17 in the board. The vibrator is in a casing 11, 12 which is attached to the board by its connection pins 9, 10.
GB3953576A 1975-10-08 1976-09-23 Electronic timepiece Expired GB1499617A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50121569A JPS5245975A (en) 1975-10-08 1975-10-08 Electronic watch

Publications (1)

Publication Number Publication Date
GB1499617A true GB1499617A (en) 1978-02-01

Family

ID=14814467

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3953576A Expired GB1499617A (en) 1975-10-08 1976-09-23 Electronic timepiece

Country Status (3)

Country Link
JP (1) JPS5245975A (en)
DE (1) DE2645133A1 (en)
GB (1) GB1499617A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2918952C2 (en) * 1979-05-10 1982-10-28 Siemens AG, 1000 Berlin und 8000 München Electrical assembly

Also Published As

Publication number Publication date
DE2645133A1 (en) 1977-04-21
JPS5245975A (en) 1977-04-12

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Legal Events

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

Effective date: 19930923