CH920671A4 - Electronic-acoustic signaling device for clocks - Google Patents

Electronic-acoustic signaling device for clocks

Info

Publication number
CH920671A4
CH920671A4 CH920671D CH920671D CH920671A4 CH 920671 A4 CH920671 A4 CH 920671A4 CH 920671 D CH920671 D CH 920671D CH 920671 D CH920671 D CH 920671D CH 920671 A4 CH920671 A4 CH 920671A4
Authority
CH
Switzerland
Prior art keywords
clocks
electronic
signaling device
acoustic signaling
acoustic
Prior art date
Application number
CH920671D
Other languages
German (de)
Inventor
Reich Joachim
Original Assignee
Reich Joachim
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 Reich Joachim filed Critical Reich Joachim
Publication of CH920671A4 publication Critical patent/CH920671A4/en

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/02—Constructional details
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/04—Indicating the time of the day
    • G04C21/12—Indicating the time of the day by electro-acoustic means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
CH920671D 1971-06-23 1971-06-23 Electronic-acoustic signaling device for clocks CH920671A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH920671 1971-06-23

Publications (1)

Publication Number Publication Date
CH920671A4 true CH920671A4 (en) 1972-11-30

Family

ID=4349494

Family Applications (1)

Application Number Title Priority Date Filing Date
CH920671D CH920671A4 (en) 1971-06-23 1971-06-23 Electronic-acoustic signaling device for clocks

Country Status (3)

Country Link
CH (1) CH920671A4 (en)
DE (1) DE2230061B2 (en)
FR (1) FR2147945B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2401348A1 (en) 1973-01-09 1974-07-11 Star Mfg Co CONTACTLESS SUMMER

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974499A (en) * 1973-12-12 1976-08-10 Star Seimitsu Kabushiki Kaisha Contactless buzzer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2401348A1 (en) 1973-01-09 1974-07-11 Star Mfg Co CONTACTLESS SUMMER

Also Published As

Publication number Publication date
DE2230061A1 (en) 1973-01-11
DE2230061B2 (en) 1977-06-16
FR2147945A1 (en) 1973-03-11
FR2147945B1 (en) 1976-09-03

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