JPS5749882A - Electronic clock with alarm - Google Patents

Electronic clock with alarm

Info

Publication number
JPS5749882A
JPS5749882A JP12649380A JP12649380A JPS5749882A JP S5749882 A JPS5749882 A JP S5749882A JP 12649380 A JP12649380 A JP 12649380A JP 12649380 A JP12649380 A JP 12649380A JP S5749882 A JPS5749882 A JP S5749882A
Authority
JP
Japan
Prior art keywords
warning
alarm
sound
warning sound
gate
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.)
Pending
Application number
JP12649380A
Other languages
Japanese (ja)
Inventor
Norihiko Nakamura
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.)
Rhythm Watch Co Ltd
Original Assignee
Rhythm Watch Co Ltd
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 Rhythm Watch Co Ltd filed Critical Rhythm Watch Co Ltd
Priority to JP12649380A priority Critical patent/JPS5749882A/en
Publication of JPS5749882A publication Critical patent/JPS5749882A/en
Pending legal-status Critical Current

Links

Classifications

    • 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)

Abstract

PURPOSE:To reliably notify that a set time arrives, by a method wherein a snooze function is added to a warning sound, and an alarm sound different from the warning sound is generated at a set time. CONSTITUTION:When a time approaches an alarm set time, a first contact 116 and a second contact 118 are closed, and an output Q of a flip flop (FF) 126 is set into H. As a result, an AND gate 128 opens, a modulation frequency signal 136 from a frequency divider 102 is applied to a warning sound 130 whereby a warning sound is produced (130). With a switch 138 then closed by an operator, an output Q of an FF144 is set into H, and the AND gate 128 closes to suspend sounding a warning. A snooze counter 150 starts to count a signal 160 from a frequency divider 102, and after a given time has elapsed, the output Q of the FF144 is set into L to produce a warning sound again. When an alarm set time arrives, a second contact 118 opens, the AND gate 128 closes to suspend sounding a warning and to produce a bell sound 134 instead of the warning.
JP12649380A 1980-09-10 1980-09-10 Electronic clock with alarm Pending JPS5749882A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12649380A JPS5749882A (en) 1980-09-10 1980-09-10 Electronic clock with alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12649380A JPS5749882A (en) 1980-09-10 1980-09-10 Electronic clock with alarm

Publications (1)

Publication Number Publication Date
JPS5749882A true JPS5749882A (en) 1982-03-24

Family

ID=14936565

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12649380A Pending JPS5749882A (en) 1980-09-10 1980-09-10 Electronic clock with alarm

Country Status (1)

Country Link
JP (1) JPS5749882A (en)

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