JPS59114486A - 音量可変回路 - Google Patents

音量可変回路

Info

Publication number
JPS59114486A
JPS59114486A JP57224686A JP22468682A JPS59114486A JP S59114486 A JPS59114486 A JP S59114486A JP 57224686 A JP57224686 A JP 57224686A JP 22468682 A JP22468682 A JP 22468682A JP S59114486 A JPS59114486 A JP S59114486A
Authority
JP
Japan
Prior art keywords
circuit
duty ratio
signal
frequency signal
variable
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.)
Granted
Application number
JP57224686A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6224754B2 (enExample
Inventor
Shunichi Makuta
幕田　俊一
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 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 JP57224686A priority Critical patent/JPS59114486A/ja
Publication of JPS59114486A publication Critical patent/JPS59114486A/ja
Publication of JPS6224754B2 publication Critical patent/JPS6224754B2/ja
Granted 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)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)
  • Electrophonic Musical Instruments (AREA)
JP57224686A 1982-12-21 1982-12-21 音量可変回路 Granted JPS59114486A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57224686A JPS59114486A (ja) 1982-12-21 1982-12-21 音量可変回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57224686A JPS59114486A (ja) 1982-12-21 1982-12-21 音量可変回路

Publications (2)

Publication Number Publication Date
JPS59114486A true JPS59114486A (ja) 1984-07-02
JPS6224754B2 JPS6224754B2 (enExample) 1987-05-29

Family

ID=16817633

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57224686A Granted JPS59114486A (ja) 1982-12-21 1982-12-21 音量可変回路

Country Status (1)

Country Link
JP (1) JPS59114486A (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5619481A (en) * 1979-07-26 1981-02-24 Seikosha Co Ltd Timepiece unit
JPS5719798A (en) * 1980-07-10 1982-02-02 Seikosha Kk Acoustic signal generating circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5619481A (en) * 1979-07-26 1981-02-24 Seikosha Co Ltd Timepiece unit
JPS5719798A (en) * 1980-07-10 1982-02-02 Seikosha Kk Acoustic signal generating circuit

Also Published As

Publication number Publication date
JPS6224754B2 (enExample) 1987-05-29

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