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AT174865B - Alarm clock with a device for automatically changing the volume during the process - Google Patents

Alarm clock with a device for automatically changing the volume during the process

Info

Publication number
AT174865B
AT174865B AT174865DA AT174865B AT 174865 B AT174865 B AT 174865B AT 174865D A AT174865D A AT 174865DA AT 174865 B AT174865 B AT 174865B
Authority
AT
Austria
Prior art keywords
alarm clock
volume during
automatically changing
automatically
changing
Prior art date
Application number
Other languages
German (de)
Inventor
Helmut E H Dr Ing Junghans
Original Assignee
Helmut E H Dr Ing Junghans
Junghans Geb Ag
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 Helmut E H Dr Ing Junghans, Junghans Geb Ag filed Critical Helmut E H Dr Ing Junghans
Application granted granted Critical
Publication of AT174865B publication Critical patent/AT174865B/en

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
    • G04B23/10—Alarm clocks with presignal; with repeated signal; with changeable intensity of sound

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
AT174865D 1949-10-10 1949-12-22 Alarm clock with a device for automatically changing the volume during the process AT174865B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEJ25D DE942977C (en) 1949-10-10 1949-10-10 Alarm clock with low-volume control

Publications (1)

Publication Number Publication Date
AT174865B true AT174865B (en) 1953-05-11

Family

ID=33143419

Family Applications (1)

Application Number Title Priority Date Filing Date
AT174865D AT174865B (en) 1949-10-10 1949-12-22 Alarm clock with a device for automatically changing the volume during the process

Country Status (5)

Country Link
AT (1) AT174865B (en)
CH (1) CH287286A (en)
DE (1) DE942977C (en)
FR (1) FR1029587A (en)
GB (1) GB698810A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2777278A (en) * 1952-07-11 1957-01-15 Helmut Junghans Variable signal alarm clock
DE1123984B (en) * 1955-09-14 1962-02-15 Junghans Geb Ag Alarm clock movement with only one mainspring for movement and alarm clock
DE1156354B (en) * 1956-12-19 1963-10-24 Paul Frans Christiaan Sierhuis Alarm clock with automatic disengagement of the storage device
DE1058941B (en) * 1957-01-05 1959-06-04 Diehl G M B H Wall clock, especially kitchen clock
DE1256497B (en) * 1957-09-06 1967-12-14 Eta A G Ebauchesfabrik Slipping clutch, especially for watches
DE1060747B (en) * 1958-01-09 1959-07-02 Hermann Hechinger Clock with self-regulating electro-acoustic display
DE1185997B (en) * 1959-05-29 1965-01-21 Bernhard Conrad Alarm clock
JPS5917791B2 (en) * 1977-10-31 1984-04-23 稔 神谷 dial tone adjustment clock

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE218183C (en) *
DE363697C (en) * 1922-11-13 Christian Reithmann Jun Muffled alarm clock in paragraphs
AT43778B (en) * 1909-05-25 1910-08-25 Anton Vosmek Automatic alarm lock.
US1691081A (en) * 1922-07-28 1928-11-13 Raymond C Pierce Alarm of variable intensity
DE491850C (en) * 1927-10-30 1930-02-25 Josef Reile Dr Alarm clock with variable tone strength
US2147318A (en) * 1936-11-21 1939-02-14 Waterbury Clock Company Alarm clock
CH248538A (en) * 1946-03-01 1947-05-15 Jehle Gottfried Alarm clock.

Also Published As

Publication number Publication date
GB698810A (en) 1953-10-21
CH287286A (en) 1952-11-30
FR1029587A (en) 1953-06-03
DE942977C (en) 1956-05-09

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