JPH0172737U - - Google Patents
Info
- Publication number
- JPH0172737U JPH0172737U JP1987168186U JP16818687U JPH0172737U JP H0172737 U JPH0172737 U JP H0172737U JP 1987168186 U JP1987168186 U JP 1987168186U JP 16818687 U JP16818687 U JP 16818687U JP H0172737 U JPH0172737 U JP H0172737U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- frequency
- oscillation
- commercial frequency
- outputs
- 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
- 230000010355 oscillation Effects 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Description
第１図および第２図はこの考案のパルス発生装
置の１実施例を示し、第１図はブロツク図、第２
図ａ〜ｃは各種信号波形図、第３図は従来例のブ
ロツク図である。
３……ＰＬＬ回路部、８……切換部、１１……
制御回路。
1 and 2 show one embodiment of the pulse generator of this invention, FIG. 1 is a block diagram, and FIG.
Figures a to c are various signal waveform diagrams, and Figure 3 is a block diagram of a conventional example. 3...PLL circuit section, 8...Switching section, 11...
control circuit.
Claims (1)
り商用周波数のＮ倍（Ｎは正の整数）の周波数の
パルスを発生するパルス発生装置において、 商用周波数と同一周波数の発振信号を出力する
発振部と、 前記商用周波数信号の入力の有無を検知し無の
ときに無検知信号を出力する検知部と、 前記無検知信号の入力により前記ＰＬＬ回路部
への入力を前記商用周波数信号から前記発振信号
に切り換える切換部と を備えたパルス発生装置。[Scope of Claim for Utility Model Registration] In a pulse generator that receives a commercial frequency signal and generates a pulse with a frequency N times the commercial frequency (N is a positive integer) using a PLL circuit section, oscillation at the same frequency as the commercial frequency. an oscillation unit that outputs a signal; a detection unit that detects the presence or absence of the input of the commercial frequency signal and outputs a non-detection signal when there is no input; A pulse generator comprising a switching section that switches from a frequency signal to the oscillation signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168186U JPH0172737U (en) | 1987-10-31 | 1987-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987168186U JPH0172737U (en) | 1987-10-31 | 1987-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0172737U true JPH0172737U (en) | 1989-05-16 |
Family
ID=31457143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987168186U Pending JPH0172737U (en) | 1987-10-31 | 1987-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0172737U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017026105A1 (en) * | 2015-08-07 | 2017-02-16 | Ｎｅｃプラットフォームズ株式会社 | Ac input/dc output power supply and method for controlling same |
-
1987
- 1987-10-31 JP JP1987168186U patent/JPH0172737U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017026105A1 (en) * | 2015-08-07 | 2017-02-16 | Ｎｅｃプラットフォームズ株式会社 | Ac input/dc output power supply and method for controlling same |
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