HK2781A - An alarm clock for providing a wake-up alarm signal - Google Patents

An alarm clock for providing a wake-up alarm signal

Info

Publication number
HK2781A
HK2781A HK27/81A HK2781A HK2781A HK 2781 A HK2781 A HK 2781A HK 27/81 A HK27/81 A HK 27/81A HK 2781 A HK2781 A HK 2781A HK 2781 A HK2781 A HK 2781A
Authority
HK
Hong Kong
Prior art keywords
alarm
wake
providing
clock
alarm signal
Prior art date
Application number
HK27/81A
Original Assignee
Elgin Nat Ind 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23598468&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK2781(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Elgin Nat Ind Inc filed Critical Elgin Nat Ind Inc
Publication of HK2781A publication Critical patent/HK2781A/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
    • G04C21/28—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to put into action electro-acoustic means, e.g. awakening by music

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
HK27/81A 1973-10-09 1981-01-22 An alarm clock for providing a wake-up alarm signal HK2781A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00404172A US3835640A (en) 1973-10-09 1973-10-09 Talking alarm clock

Publications (1)

Publication Number Publication Date
HK2781A true HK2781A (en) 1981-01-30

Family

ID=23598468

Family Applications (1)

Application Number Title Priority Date Filing Date
HK27/81A HK2781A (en) 1973-10-09 1981-01-22 An alarm clock for providing a wake-up alarm signal

Country Status (3)

Country Link
US (1) US3835640A (en)
GB (1) GB1469250A (en)
HK (1) HK2781A (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4060973A (en) * 1976-04-02 1977-12-06 Dom Martino Automatic variable-sound alarm clock
US4373822A (en) * 1979-06-28 1983-02-15 Tkac Frank S Clock with selective visual alarm indicators
US4430005A (en) 1980-07-28 1984-02-07 Sharp Kabushiki Kaisha Speech synthesizer timepiece with alarm function
US4449829A (en) * 1980-07-30 1984-05-22 Sharp Kabushiki Kaisha Speech synthesizer timepiece
US4498787A (en) * 1984-07-31 1985-02-12 Jung Sun Lin Reminder
US4730284A (en) * 1986-12-08 1988-03-08 Adams Michael E Alarm clock
US4799890A (en) * 1987-11-23 1989-01-24 Barbara J. Thompson Electronic learning device for teaching how to tell time
US5511046A (en) * 1993-05-20 1996-04-23 Vanderpal; Geoffrey A. Recordable timepiece
AU7007396A (en) * 1995-08-10 1997-03-05 Edwin M. Knowles China Company, The Plate with audio apparatus
US6009048A (en) * 1997-11-24 1999-12-28 Raesz; Carole H. Novelty radio-alarm clock
US6657923B2 (en) * 2000-06-01 2003-12-02 Benjamin L. Laughlin Slot machine alarm clock apparatus and method
US6798879B1 (en) * 2000-10-06 2004-09-28 Thomas C. Beham Remote telephone call notification system
US6427370B1 (en) * 2001-09-14 2002-08-06 Nathan Smith Picture frame with sound and motion producing means
US20040017733A1 (en) * 2002-07-24 2004-01-29 Sullivan Brian E. Custom designed virtual time piece
US6962494B1 (en) 2002-09-13 2005-11-08 Robyn Olson Teaching aid
US7187625B2 (en) * 2005-07-27 2007-03-06 Riggi Scott S Shofar timekeeping apparatus and method
US7336565B2 (en) * 2006-06-12 2008-02-26 Neil Rohrbacker Talking alarm clock
US8064295B2 (en) * 2006-10-12 2011-11-22 Palmer Robin B Motivational alarm
US9164490B1 (en) 2014-08-28 2015-10-20 William A. Fraser Chronograph assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1382370A (en) * 1920-05-05 1921-06-21 Lindholm Oscar Phonograph attachment
US2493138A (en) * 1947-11-08 1950-01-03 Barbara H Hathaway Time teaching device
DE922940C (en) * 1951-10-16 1955-01-27 Peter Widloecher Dr Clock with a new acoustic effect
US3135084A (en) * 1963-04-29 1964-06-02 Oren A Kidder Talking clock
US3581410A (en) * 1969-02-25 1971-06-01 Mattel Inc Talking clock

Also Published As

Publication number Publication date
GB1469250A (en) 1977-04-06
US3835640A (en) 1974-09-17

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