IT1074716B - Perfezionamento negli orologi elettronici ad allarme - Google Patents

Perfezionamento negli orologi elettronici ad allarme

Info

Publication number
IT1074716B
IT1074716B IT51693/76A IT5169376A IT1074716B IT 1074716 B IT1074716 B IT 1074716B IT 51693/76 A IT51693/76 A IT 51693/76A IT 5169376 A IT5169376 A IT 5169376A IT 1074716 B IT1074716 B IT 1074716B
Authority
IT
Italy
Prior art keywords
improvement
electronic alarm
alarm clocks
clocks
electronic
Prior art date
Application number
IT51693/76A
Other languages
English (en)
Original Assignee
Seiko Instr & Electronics
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 Instr & Electronics filed Critical Seiko Instr & Electronics
Application granted granted Critical
Publication of IT1074716B publication Critical patent/IT1074716B/it

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G13/00—Producing acoustic time signals
    • G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
IT51693/76A 1975-10-14 1976-10-12 Perfezionamento negli orologi elettronici ad allarme IT1074716B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50123397A JPS5247767A (en) 1975-10-14 1975-10-14 Digital alarm watch

Publications (1)

Publication Number Publication Date
IT1074716B true IT1074716B (it) 1985-04-20

Family

ID=14859541

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51693/76A IT1074716B (it) 1975-10-14 1976-10-12 Perfezionamento negli orologi elettronici ad allarme

Country Status (9)

Country Link
US (1) US4172360A (it)
JP (1) JPS5247767A (it)
BR (1) BR7606836A (it)
CA (1) CA1079531A (it)
DE (1) DE2646196A1 (it)
FR (1) FR2328242A1 (it)
GB (1) GB1540148A (it)
HK (1) HK34880A (it)
IT (1) IT1074716B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS547377A (en) * 1977-06-17 1979-01-20 Seiko Instr & Electronics Ltd Digital electronic watch
JPS5558488A (en) * 1978-10-26 1980-05-01 Seikosha Co Ltd Electronic watch
US4577561A (en) * 1982-04-19 1986-03-25 Bei Electronics, Inc. Digital time fuze method and apparatus
GB2304939A (en) * 1995-09-29 1997-03-26 Keith David Hunter Count down clock
GB9604284D0 (en) * 1996-02-29 1996-05-01 Lazerbuilt Ltd Clocks

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1367247A (en) * 1971-02-18 1974-09-18 Suwa Seikosha Kk Electronic timepieces
US3795099A (en) * 1971-02-18 1974-03-05 Y Tsuruishi Electronic timepiece having a chronograph mechanism
GB1391995A (en) * 1971-04-27 1975-04-23 Seikosha Kk Electric timepieces
JPS5536957B1 (it) * 1971-07-30 1980-09-25
JPS4847861A (it) * 1971-10-19 1973-07-06
FR2169082B1 (it) * 1972-01-22 1977-02-04 Suwa Seikosha Kk
US3813533A (en) * 1972-06-02 1974-05-28 Garrett Comtronics Corp Clock calculator
JPS5617633B2 (it) * 1972-12-27 1981-04-23
US3940919A (en) * 1973-10-03 1976-03-02 Citizen Watch Co., Ltd. Electronic wristwatch with electronic sound emitter device
US3980868A (en) * 1975-04-04 1976-09-14 Thompson Francis T Digital yacht racing timing system

Also Published As

Publication number Publication date
DE2646196A1 (de) 1977-04-28
HK34880A (en) 1980-07-01
JPS5247767A (en) 1977-04-15
FR2328242A1 (fr) 1977-05-13
CA1079531A (en) 1980-06-17
BR7606836A (pt) 1977-08-30
US4172360A (en) 1979-10-30
GB1540148A (en) 1979-02-07

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