CH538729A - Elektrisches zeithaltendes Gerät, insbesondere elektrische Weckeruhr - Google Patents

Elektrisches zeithaltendes Gerät, insbesondere elektrische Weckeruhr

Info

Publication number
CH538729A
CH538729A CH1558769A CH1558769A CH538729A CH 538729 A CH538729 A CH 538729A CH 1558769 A CH1558769 A CH 1558769A CH 1558769 A CH1558769 A CH 1558769A CH 538729 A CH538729 A CH 538729A
Authority
CH
Switzerland
Prior art keywords
electric
time keeping
keeping device
alarm clocks
particular electric
Prior art date
Application number
CH1558769A
Other languages
English (en)
Inventor
Gunter Werner
Scheer Erich
Original Assignee
Kieninger & Obergfell
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 Kieninger & Obergfell filed Critical Kieninger & Obergfell
Publication of CH538729A publication Critical patent/CH538729A/de

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
    • G04B9/00—Supervision of the state of winding, e.g. indicating the amount of winding
    • G04B9/02—Devices controlled by such state, e.g. device affording protection means against overwinding
    • G04B9/025—Acoustical or electrical indicating means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C15/00—Clocks driven by synchronous motors
    • G04C15/0009—Clocks driven by synchronous motors without power-reserve
    • G04C15/0027—Clocks driven by synchronous motors without power-reserve provided with automatic-starting device
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/02—Constructional details

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Alarm Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Electric Clocks (AREA)
CH1558769A 1968-10-19 1969-10-17 Elektrisches zeithaltendes Gerät, insbesondere elektrische Weckeruhr CH538729A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681804027 DE1804027A1 (de) 1968-10-19 1968-10-19 Elektrisches zeithaltendes Geraet,z.B.Uhr oder Wecker

Publications (1)

Publication Number Publication Date
CH538729A true CH538729A (de) 1973-02-15

Family

ID=5710938

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1558769D CH1558769A4 (de) 1968-10-19 1969-10-17
CH1558769A CH538729A (de) 1968-10-19 1969-10-17 Elektrisches zeithaltendes Gerät, insbesondere elektrische Weckeruhr

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1558769D CH1558769A4 (de) 1968-10-19 1969-10-17

Country Status (4)

Country Link
CH (2) CH1558769A4 (de)
DE (1) DE1804027A1 (de)
FR (1) FR2021096A7 (de)
GB (1) GB1286666A (de)

Also Published As

Publication number Publication date
CH1558769A4 (de) 1973-02-15
DE1804027A1 (de) 1970-05-14
GB1286666A (en) 1972-08-23
FR2021096A7 (de) 1970-07-17

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