FR2342519B3 - - Google Patents

Info

Publication number
FR2342519B3
FR2342519B3 FR7705609A FR7705609A FR2342519B3 FR 2342519 B3 FR2342519 B3 FR 2342519B3 FR 7705609 A FR7705609 A FR 7705609A FR 7705609 A FR7705609 A FR 7705609A FR 2342519 B3 FR2342519 B3 FR 2342519B3
Authority
FR
France
Prior art keywords
audio
frequency oscillator
frequency
brings
derived
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7705609A
Other languages
English (en)
Other versions
FR2342519A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Micronas GmbH
ITT Inc
Original Assignee
Deutsche ITT Industries GmbH
ITT Industries Inc
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 Deutsche ITT Industries GmbH, ITT Industries Inc filed Critical Deutsche ITT Industries GmbH
Publication of FR2342519A1 publication Critical patent/FR2342519A1/fr
Application granted granted Critical
Publication of FR2342519B3 publication Critical patent/FR2342519B3/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
    • G04C21/36—Signal repeating devices
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G13/00—Producing acoustic time signals
    • G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
    • G04G13/021—Details
    • G04G13/023—Adjusting the duration or amplitude of signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
FR7705609A 1976-02-27 1977-02-25 Circuit integre monolithique pour reveille-matin fonctionnant sur pile Granted FR2342519A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762608025 DE2608025C2 (de) 1976-02-27 1976-02-27 Monolithisch integrierte Schaltung für batteriebetriebene Weckeruhren

Publications (2)

Publication Number Publication Date
FR2342519A1 FR2342519A1 (fr) 1977-09-23
FR2342519B3 true FR2342519B3 (fr) 1980-01-04

Family

ID=5971044

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7705609A Granted FR2342519A1 (fr) 1976-02-27 1977-02-25 Circuit integre monolithique pour reveille-matin fonctionnant sur pile

Country Status (6)

Country Link
JP (1) JPS52104969A (fr)
CH (1) CH614344GA3 (fr)
DE (1) DE2608025C2 (fr)
FR (1) FR2342519A1 (fr)
GB (1) GB1539712A (fr)
IT (1) IT1076118B (fr)

Also Published As

Publication number Publication date
CH614344GA3 (en) 1979-11-30
FR2342519A1 (fr) 1977-09-23
CH614344B (de)
DE2608025C2 (de) 1978-01-26
JPS52104969A (en) 1977-09-02
IT1076118B (it) 1985-04-24
GB1539712A (en) 1979-01-31
DE2608025B1 (de) 1977-06-02

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Legal Events

Date Code Title Description
ST Notification of lapse