CH530137A - Elektronischer Wecker für Fernsprechapparate - Google Patents

Elektronischer Wecker für Fernsprechapparate

Info

Publication number
CH530137A
CH530137A CH1724571A CH1724571A CH530137A CH 530137 A CH530137 A CH 530137A CH 1724571 A CH1724571 A CH 1724571A CH 1724571 A CH1724571 A CH 1724571A CH 530137 A CH530137 A CH 530137A
Authority
CH
Switzerland
Prior art keywords
alarm clock
telephone sets
electronic alarm
electronic
telephone
Prior art date
Application number
CH1724571A
Other languages
English (en)
Inventor
Sander Claus
Schramm Karl
Binder Erwin
Original Assignee
Krone Gmbh
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 Krone Gmbh filed Critical Krone Gmbh
Publication of CH530137A publication Critical patent/CH530137A/de

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
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Devices For Supply Of Signal Current (AREA)
CH1724571A 1970-12-23 1971-11-25 Elektronischer Wecker für Fernsprechapparate CH530137A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702063624 DE2063624C3 (de) 1970-12-23 1970-12-23 Elektronischer Wecker für Fernsprechapparate

Publications (1)

Publication Number Publication Date
CH530137A true CH530137A (de) 1972-10-31

Family

ID=5792066

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1724571A CH530137A (de) 1970-12-23 1971-11-25 Elektronischer Wecker für Fernsprechapparate

Country Status (6)

Country Link
AT (1) AT322010B (de)
BE (1) BE776673A (de)
CH (1) CH530137A (de)
DE (1) DE2063624C3 (de)
FR (1) FR2119434A5 (de)
NL (1) NL7116899A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1126635B (it) * 1979-12-20 1986-05-21 Fiamm Componenti Accessori Spa Avvisatore acustico per autoveicoli
US4309574A (en) * 1980-04-15 1982-01-05 Gte Automatic Electric Labs Inc. Electronic tone ringer

Also Published As

Publication number Publication date
NL7116899A (de) 1972-06-27
AT322010B (de) 1975-04-25
BE776673A (fr) 1972-04-04
FR2119434A5 (de) 1972-08-04
DE2063624C3 (de) 1974-01-24
DE2063624A1 (de) 1972-08-03
DE2063624B2 (de) 1973-06-28

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Legal Events

Date Code Title Description
PL Patent ceased