CH268993A - AC alarm clock. - Google Patents

AC alarm clock.

Info

Publication number
CH268993A
CH268993A CH268993DA CH268993A CH 268993 A CH268993 A CH 268993A CH 268993D A CH268993D A CH 268993DA CH 268993 A CH268993 A CH 268993A
Authority
CH
Switzerland
Prior art keywords
alarm clock
alarm
clock
Prior art date
Application number
Other languages
German (de)
Inventor
Ag Albiswerk Zuerich
Original Assignee
Siemens Ag Albis
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 Siemens Ag Albis filed Critical Siemens Ag Albis
Publication of CH268993A publication Critical patent/CH268993A/en

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
    • G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
    • G10K1/062—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated
    • G10K1/063—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube electrically operated the sounding member being a bell
    • G10K1/064—Operating or striking mechanisms therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electromagnets (AREA)
CH268993D 1947-06-14 1947-06-14 AC alarm clock. CH268993A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2502273X 1947-06-14

Publications (1)

Publication Number Publication Date
CH268993A true CH268993A (en) 1950-06-15

Family

ID=4569689

Family Applications (1)

Application Number Title Priority Date Filing Date
CH268993D CH268993A (en) 1947-06-14 1947-06-14 AC alarm clock.

Country Status (6)

Country Link
US (1) US2502273A (en)
BE (1) BE483203A (en)
CH (1) CH268993A (en)
DE (1) DE836202C (en)
FR (1) FR971292A (en)
NL (1) NL71904C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756372A (en) * 1953-01-28 1956-07-24 Teletype Corp Telegraph selector magnet device
US2863951A (en) * 1954-12-24 1958-12-09 Int Standard Electric Corp Combined telephone ringing and induction coil arrangement
BE558459A (en) * 1956-06-19
GB2081486B (en) * 1980-07-30 1983-11-02 Philips Electronic Associated Telephone bell assembly
US7528312B1 (en) * 2007-02-21 2009-05-05 Digiovanni Stephen Drum for striking upwardly and method therefor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US409675A (en) * 1889-08-27 Stephen dudley field
US1386690A (en) * 1921-08-09 Gttstavtts c
US980613A (en) * 1909-07-31 1911-01-03 Dean Electric Co Telephone system.
US1162069A (en) * 1915-05-10 1915-11-30 Western Electric Co Telephone system.
US1484396A (en) * 1920-12-22 1924-02-19 Western Electric Co Telephone system
US1872257A (en) * 1930-12-05 1932-08-16 James D Durkee Radio alarm system
US1896196A (en) * 1931-02-05 1933-02-07 American Telephone & Telegraph Telephone substation apparatus
DE654405C (en) * 1933-04-11 1937-12-22 Rupert Evan Howard Carpenter Polarized electromagnetic device with oscillating armature
CH174218A (en) * 1933-04-11 1934-12-31 Siemens Ag Polarized relay.
US2268612A (en) * 1937-10-11 1942-01-06 Askania Werke Ag Follow-up device

Also Published As

Publication number Publication date
US2502273A (en) 1950-03-28
BE483203A (en)
NL71904C (en)
FR971292A (en) 1951-01-15
DE836202C (en) 1952-04-10

Similar Documents

Publication Publication Date Title
CH268993A (en) AC alarm clock.
CH269815A (en) Stylograph.
CH260024A (en) Counter.
CH260129A (en) Wristwatch.
FR940506A (en) Bracelet
FR57697E (en) Counter
FR948880A (en) Alarm clock
AT163592B (en) Standing alarm clock
FR948428A (en) Counter
FR945770A (en) Viscograph
AT163250B (en) Malschloss
FR953313A (en) Wristwatch-tactile alarm clock
FI24443A (en) Tablet case
ES16432Y (en) Case.
ES15947Y (en) Wallet-pencil case.
FI21878A (en) Anordning vid Kolgas - resp. vedgasgeneratorer
FI21943A (en) Anordning vid Kolgas - resp. vedgasgeneratorer
ES14421Y (en) Monoaxis keychain.
ES16014Y (en) Special stickers.
ES15512Y (en) Bidet-toilet.
DK70922C (en) Bonemaskine.
DK69106C (en) Konche.
DK69221C (en) Shagpibe.
DK69262C (en) Planteplov.
ES16154Y (en) Overbag.