JPS5596490A - Time announcing apparatus - Google Patents
Time announcing apparatusInfo
- Publication number
- JPS5596490A JPS5596490A JP411879A JP411879A JPS5596490A JP S5596490 A JPS5596490 A JP S5596490A JP 411879 A JP411879 A JP 411879A JP 411879 A JP411879 A JP 411879A JP S5596490 A JPS5596490 A JP S5596490A
- Authority
- JP
- Japan
- Prior art keywords
- cpu4
- block
- sounds
- rom6
- output port
- 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
Links
Landscapes
- Electrophonic Musical Instruments (AREA)
- Electric Clocks (AREA)
Abstract
PURPOSE: To generate a time announcing sound resembling musical instrument sounds, natural sounds or the like with a simple circuitry employing the central processing unit while emitting difference sounds simply by changing the contents memorized leaving the circuitry unchanged.
CONSTITUTION: In the ROM6, stored are a main program 8, a musical note data memory block 10, a waveform data memory A block 12 and B block 14. The CPU4 acts according to the command or data programmed in the ROM6. The time announcing signal from the watch section 20 is inputted into the CPU4 through an input/output port 18 and the CPU4 is connected to a D-A converter 26 by the input/ output port 18. The envelope A circuit 22 and B circuit 24 are selected by the signal from the CPU4. Either one thereof works to generate a sound accompanying a reverberation effect through a speaker 30.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP411879A JPS5596490A (en) | 1979-01-17 | 1979-01-17 | Time announcing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP411879A JPS5596490A (en) | 1979-01-17 | 1979-01-17 | Time announcing apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5596490A true JPS5596490A (en) | 1980-07-22 |
Family
ID=11575863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP411879A Pending JPS5596490A (en) | 1979-01-17 | 1979-01-17 | Time announcing apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5596490A (en) |
-
1979
- 1979-01-17 JP JP411879A patent/JPS5596490A/en active Pending
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