CH644984GA3 - - Google Patents

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Publication number
CH644984GA3
CH644984GA3 CH28181A CH28181A CH644984GA3 CH 644984G A3 CH644984G A3 CH 644984GA3 CH 28181 A CH28181 A CH 28181A CH 28181 A CH28181 A CH 28181A CH 644984G A3 CH644984G A3 CH 644984GA3
Authority
CH
Switzerland
Prior art keywords
gear wheel
detecting plate
alarm
time
shaft
Prior art date
Application number
CH28181A
Other languages
French (fr)
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 filed Critical
Publication of CH644984GA3 publication Critical patent/CH644984GA3/fr

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
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/021—Controls (winding up the alarm; adjusting and indicating the waking time)
    • 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
    • G04C21/20—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm
    • G04C21/205—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm by the hand(s) or handlike members closing the contact

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)

Abstract

The cam type time detecting mechanism of an alarm clock has a time gear wheel, an alarm gear wheel and a detecting plate, all mounted on a shaft. A hole is formed on either the alarm gear wheel or the detecting plate and a projection is formed on the other. The detecting plate is movable on the shaft in the axial direction of the shaft. The time gear wheel and the detecting plate have guiding parts respectively so that the time gear wheel, in its normal rotation, continuously pushes and turns the detecting plate. At least one of the time gear wheel, the alarm gear wheel and the detecting plate has a cam for lifting up the detecting plate if the time gear wheel and the alarm gear wheel turn either in normal and reverse directions.
CH28181A 1980-01-17 1981-01-16 CH644984GA3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP394380A JPS56101582A (en) 1980-01-17 1980-01-17 Time detection device for alarm clock

Publications (1)

Publication Number Publication Date
CH644984GA3 true CH644984GA3 (en) 1984-09-14

Family

ID=11571199

Family Applications (1)

Application Number Title Priority Date Filing Date
CH28181A CH644984GA3 (en) 1980-01-17 1981-01-16

Country Status (7)

Country Link
US (1) US4376994A (en)
JP (1) JPS56101582A (en)
CH (1) CH644984GA3 (en)
DE (1) DE3101348A1 (en)
FR (1) FR2478338A1 (en)
GB (1) GB2070812B (en)
HK (1) HK5390A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57195695U (en) * 1981-06-02 1982-12-11
US4460280A (en) * 1982-05-14 1984-07-17 Rhythm Watch Co., Ltd. Alarm setting device for timepieces
JPS59154687U (en) * 1983-03-31 1984-10-17 リズム時計工業株式会社 clock reference device
US5077707A (en) * 1990-12-07 1991-12-31 Davis Kuo Time setting device for an alarm clock
CN201477375U (en) * 2009-09-19 2010-05-19 许金锔 Improved structure of alarm clock movement

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE57582C (en) * A. WILLMANN & Co. in Freiburg, Schlesien Alarm clock with hands that can be rotated to the right and left
US2779150A (en) * 1955-06-16 1957-01-29 United States Time Corp Alarm clock
DE1895090U (en) * 1964-02-03 1964-06-18 Junghans Geb Ag ALARM CLOCK.
FR2194002B1 (en) * 1972-07-28 1974-12-27 Jaz Sa
JPS5276060A (en) * 1975-12-22 1977-06-25 Rhythm Watch Co Time setting device for clock
JPS52121363A (en) * 1976-04-06 1977-10-12 Seikosha Kk Time setting mechanism
JPS53138767A (en) * 1977-05-10 1978-12-04 Rhythm Watch Co Timepiece alarm setting mechanism
JPS5839437Y2 (en) * 1977-05-23 1983-09-05 セイコ−光機株式会社 Clock time detection switch

Also Published As

Publication number Publication date
HK5390A (en) 1990-02-02
FR2478338B1 (en) 1984-09-14
FR2478338A1 (en) 1981-09-18
JPS6252835B2 (en) 1987-11-06
DE3101348C2 (en) 1990-01-11
JPS56101582A (en) 1981-08-14
GB2070812B (en) 1984-08-30
DE3101348A1 (en) 1981-11-19
US4376994A (en) 1983-03-15
GB2070812A (en) 1981-09-09

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