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JPS5681485A - Electronic watch with melody generating function - Google Patents

Electronic watch with melody generating function

Info

Publication number
JPS5681485A
JPS5681485A JP15887179A JP15887179A JPS5681485A JP S5681485 A JPS5681485 A JP S5681485A JP 15887179 A JP15887179 A JP 15887179A JP 15887179 A JP15887179 A JP 15887179A JP S5681485 A JPS5681485 A JP S5681485A
Authority
JP
Japan
Prior art keywords
counter
sound
intermediary
alarm
sounds
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
JP15887179A
Other languages
Japanese (ja)
Other versions
JPS6247269B2 (en
Inventor
Naoki Takahashi
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer 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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to JP15887179A priority Critical patent/JPS5681485A/en
Publication of JPS5681485A publication Critical patent/JPS5681485A/en
Publication of JPS6247269B2 publication Critical patent/JPS6247269B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electric Clocks (AREA)

Abstract

PURPOSE: To enable the generation of a plurality of alarm sounds and the like which can be discriminated from each other through the intermediary of a memory element having a small memory capacity by generating melody sounds with different tempos by a tempo varying means.
CONSTITUTION: AND gates 34W36 of a sound length controlling circuit 27 forming the tempo varying means are opened by set outputs of FF17, 18, 20, etc. which are set by a coincidence output of a plurality of alarm setting times, etc. and of the current time and a clock pulse counted by a counter 38 is selected. By this, the counting speed of the counter 38 changes and the time required so that the counter 41 reaches the counting of a prescribed value corresponding to the average length of notes through the intermediary of a matrix decoder 40 also changes. Accordingly, the same melody sounds through the intermediary of the memory part of musical- sound codes which are read out and controlled in accordance with the coincidence of the counted value of the counter 41 and the sound length code of the musical- sound memory part change in accordance with alarm set times with different tempos. As the result, by a simple constitution using memory elements with small memory capacity alarm sounds in plural which can be discriminated from each other are generated.
COPYRIGHT: (C)1981,JPO&Japio
JP15887179A 1979-12-07 1979-12-07 Electronic watch with melody generating function Granted JPS5681485A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15887179A JPS5681485A (en) 1979-12-07 1979-12-07 Electronic watch with melody generating function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15887179A JPS5681485A (en) 1979-12-07 1979-12-07 Electronic watch with melody generating function

Publications (2)

Publication Number Publication Date
JPS5681485A true JPS5681485A (en) 1981-07-03
JPS6247269B2 JPS6247269B2 (en) 1987-10-07

Family

ID=15681217

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15887179A Granted JPS5681485A (en) 1979-12-07 1979-12-07 Electronic watch with melody generating function

Country Status (1)

Country Link
JP (1) JPS5681485A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4576484A (en) * 1984-07-05 1986-03-18 Grossmeyer Mark C Memory enhancing apparatus
US4579408A (en) * 1983-04-11 1986-04-01 Oki Densen Kabushiki Kaisha Electrical connector structure with release and locking mechanism

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53138372A (en) * 1977-05-09 1978-12-02 Seiko Epson Corp Electronic timer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53138372A (en) * 1977-05-09 1978-12-02 Seiko Epson Corp Electronic timer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4579408A (en) * 1983-04-11 1986-04-01 Oki Densen Kabushiki Kaisha Electrical connector structure with release and locking mechanism
US4576484A (en) * 1984-07-05 1986-03-18 Grossmeyer Mark C Memory enhancing apparatus

Also Published As

Publication number Publication date
JPS6247269B2 (en) 1987-10-07

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