JPS63131429U - - Google Patents
Info
- Publication number
- JPS63131429U JPS63131429U JP1987022085U JP2208587U JPS63131429U JP S63131429 U JPS63131429 U JP S63131429U JP 1987022085 U JP1987022085 U JP 1987022085U JP 2208587 U JP2208587 U JP 2208587U JP S63131429 U JPS63131429 U JP S63131429U
- Authority
- JP
- Japan
- Prior art keywords
- reset signal
- circuit
- waveform shaping
- rectangular
- reset
- 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
- 238000007493 shaping process Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 244000145845 chattering Species 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Manipulation Of Pulses (AREA)
- Mobile Radio Communication Systems (AREA)
Description
第１図は本考案の無線選択呼出装置の一実施例
を示すブロツク図、第２図は第１図の装置におけ
るリセツト信号の波形例を示した図、第３図は従
来の無線選択呼出装置の要部を示したブロツク図
、第４図は第３図に示したリセツト回路の要部詳
細回路図、第５図は第１図及び第３図に示したリ
セツト信号の波形例を示した図、第６図は第３図
に示したゲートアレー回路の詳細回路図、第７図
は第３図における波形整形後のリセツト信号の波
形例を示した図である。
１…リセツト回路、２…ゲートアレー回路、３
…マイクロコンピユータユニツト、４…電源装置
、６…コンデンサ。
FIG. 1 is a block diagram showing an embodiment of the wireless selective calling device of the present invention, FIG. 2 is a diagram showing an example of the waveform of a reset signal in the device of FIG. 1, and FIG. 3 is a conventional wireless selective calling device. Figure 4 is a detailed circuit diagram of the main parts of the reset circuit shown in Figure 3, and Figure 5 shows an example of the waveform of the reset signal shown in Figures 1 and 3. 6 is a detailed circuit diagram of the gate array circuit shown in FIG. 3, and FIG. 7 is a diagram showing an example of the waveform of the reset signal after waveform shaping in FIG. 3. 1...Reset circuit, 2...Gate array circuit, 3
...Microcomputer unit, 4...Power supply device, 6...Capacitor.
Claims (1)
出力するリセツト回路と、前記リセツト信号の所
定値を閾値とした矩形状のリセツト信号を一定期
間発生する波形整形回路と、前記矩形状のリセツ
ト信号によりリセツトされる制御回路とを備えた
無線選択呼出装置において、前記波形整形回路の
出力側に前記矩形状のリセツト信号のチヤタリン
グ部を吸収するコンデンサを設けたことを特徴と
する無線選択呼出装置。 a reset circuit that outputs a reset signal that increases when the device is powered on; a waveform shaping circuit that generates a rectangular reset signal for a certain period of time with a predetermined value of the reset signal as a threshold; 1. A wireless selective calling device comprising a control circuit comprising: a capacitor for absorbing a chattering portion of the rectangular reset signal on the output side of the waveform shaping circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987022085U JPS63131429U (en) | 1987-02-19 | 1987-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987022085U JPS63131429U (en) | 1987-02-19 | 1987-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63131429U true JPS63131429U (en) | 1988-08-29 |
Family
ID=30819132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987022085U Pending JPS63131429U (en) | 1987-02-19 | 1987-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63131429U (en) |
-
1987
- 1987-02-19 JP JP1987022085U patent/JPS63131429U/ja active Pending