JPS6331493U - - Google Patents
Info
- Publication number
- JPS6331493U JPS6331493U JP1986123428U JP12342886U JPS6331493U JP S6331493 U JPS6331493 U JP S6331493U JP 1986123428 U JP1986123428 U JP 1986123428U JP 12342886 U JP12342886 U JP 12342886U JP S6331493 U JPS6331493 U JP S6331493U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- microcomputer
- note element
- melody
- circuit
- 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
Links
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 2
- 230000002194 synthesizing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Digital Computer Display Output (AREA)
- Alarm Systems (AREA)
- Debugging And Monitoring (AREA)
Description
第１図は本考案の基本的な実施例の概略構成図
、第２図は本考案のやや具体的にした実施例の回
路構成図、第３図は第２図に示される回路系の要
部の波形説明図、である。
図中、１０はマイクロコンピユータを使用した
機器、１１は電源、１２はマイクロコンピユータ
、１３はメロデイ合成回路、１４は音響輻射部、
１５は周期監視回路、２０は警報音発振回路、で
ある。
Figure 1 is a schematic configuration diagram of a basic embodiment of the present invention, Figure 2 is a circuit diagram of a slightly more specific embodiment of the invention, and Figure 3 is a schematic diagram of the circuit system shown in Figure 2. FIG. In the figure, 10 is a device using a microcomputer, 11 is a power supply, 12 is a microcomputer, 13 is a melody synthesis circuit, 14 is an acoustic radiation section,
15 is a period monitoring circuit, and 20 is an alarm sound oscillation circuit.
Claims (1)
少なくとも二種以上の複数の音符要素信号を出力
し、メロデイ合成回路によりそれら複数の音符要
素信号を合成することにより、所定のメロデイ信
号を得るマイクロコンピユータを使用した機器に
おいて当該マイクロコンピユータの異常を検出す
る回路であつて； 上記メロデイ信号を合成するため上記マイクロ
コンピユータから出力される上記複数の音符要素
信号の中、少なくとも一つの音符要素信号を、上
記メロデイを必要としないときにも特定の周波数
ないしは特定の範囲内の周波数で常時または定期
的に出力させ、該常時または定期的に出力される
音符要素信号の周期を監視し、該周期が所定の周
期範囲を外れた場合に異常検出信号を出力するマ
イクロコンピユータの異常検出回路。[Claims for Utility Model Registration] By outputting at least two or more types of note element signals, each defined as a repeated pulse train signal, and synthesizing the plurality of note element signals by a melody synthesis circuit, a predetermined A circuit for detecting an abnormality in a microcomputer in a device using a microcomputer for obtaining a melody signal; A note element signal is always or periodically output at a specific frequency or a frequency within a specific range even when the melody is not required, and the period of the note element signal that is output constantly or periodically is monitored. , an abnormality detection circuit of a microcomputer that outputs an abnormality detection signal when the period falls outside a predetermined period range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986123428U JPH0449756Y2 (en) | 1986-08-13 | 1986-08-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986123428U JPH0449756Y2 (en) | 1986-08-13 | 1986-08-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6331493U true JPS6331493U (en) | 1988-03-01 |
| JPH0449756Y2 JPH0449756Y2 (en) | 1992-11-24 |
Family
ID=31014523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986123428U Expired JPH0449756Y2 (en) | 1986-08-13 | 1986-08-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0449756Y2 (en) |
-
1986
- 1986-08-13 JP JP1986123428U patent/JPH0449756Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0449756Y2 (en) | 1992-11-24 |