CH49002A - Clock with intercom to announce the time - Google Patents

Clock with intercom to announce the time

Info

Publication number
CH49002A
CH49002A CH49002A CH49002DA CH49002A CH 49002 A CH49002 A CH 49002A CH 49002 A CH49002 A CH 49002A CH 49002D A CH49002D A CH 49002DA CH 49002 A CH49002 A CH 49002A
Authority
CH
Switzerland
Prior art keywords
intercom
announce
clock
time
Prior art date
Application number
CH49002A
Other languages
German (de)
Inventor
Franz Seelau
Original Assignee
Franz Seelau
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 Franz Seelau filed Critical Franz Seelau
Publication of CH49002A publication Critical patent/CH49002A/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
    • G04B21/00—Indicating the time by acoustic means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
CH49002A 1909-06-23 1909-06-23 Clock with intercom to announce the time CH49002A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH49002T 1909-06-23

Publications (1)

Publication Number Publication Date
CH49002A true CH49002A (en) 1911-01-02

Family

ID=4284483

Family Applications (1)

Application Number Title Priority Date Filing Date
CH49002A CH49002A (en) 1909-06-23 1909-06-23 Clock with intercom to announce the time

Country Status (1)

Country Link
CH (1) CH49002A (en)

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