JPS58131423U - Frame period detection device - Google Patents
Frame period detection deviceInfo
- Publication number
- JPS58131423U JPS58131423U JP2940382U JP2940382U JPS58131423U JP S58131423 U JPS58131423 U JP S58131423U JP 2940382 U JP2940382 U JP 2940382U JP 2940382 U JP2940382 U JP 2940382U JP S58131423 U JPS58131423 U JP S58131423U
- Authority
- JP
- Japan
- Prior art keywords
- frame period
- detection device
- period detection
- output
- voltage
- 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
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Rotational Drive Of Disk (AREA)
- Manipulation Of Pulses (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案のＰＣＭ信号のフレーム周期検出装置の
構成を示すブロック図、第２図は同、波形説明図である
。
１は微分回路、３はワンショットマルチバイブレーク、
４はＦ／Ｖコンバータ、５は電圧比較回路である。FIG. 1 is a block diagram showing the configuration of a PCM signal frame period detection device according to the present invention, and FIG. 2 is a waveform explanatory diagram of the same. 1 is a differential circuit, 3 is a one-shot multi-by-break,
4 is an F/V converter, and 5 is a voltage comparison circuit.
Claims (1)
出装置。 （イ）ＰＣＭ信号を微分する微分回路１゜（ロ） 当該
微分回路１から出力される微分信号をトリガ信号として
一定幅のパルス信号を出力するワンショットマルチバイ
ブレーク３゜ （ハ）当該ワンショットマルチバイブレータ−３から出
力されるパルス信号を当該パルス信号の数に比例した電
圧に変換するＦ／Ｖコンバータ４゜に）当該Ｆ／Ｖコン
バータ４の出力電圧と基準電圧を比較してフレーム周期
に対応した比較出力を出力する電圧比較回路５゜[Scope of Claim for Utility Model Registration] A frame period detection device comprising the following constituent elements (a) to (a) to (b) below. (a) Differentiating circuit 1° that differentiates the PCM signal (b) One-shot multi-by-break 3° that outputs a pulse signal of a constant width using the differential signal output from the differentiating circuit 1 as a trigger signal (c) The one-shot multi To the F/V converter 4° which converts the pulse signal output from the vibrator 3 into a voltage proportional to the number of pulse signals, the output voltage of the F/V converter 4 is compared with a reference voltage to correspond to the frame period. Voltage comparator circuit 5゜ outputs a comparison output
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2940382U JPS58131423U (en) | 1982-03-01 | 1982-03-01 | Frame period detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2940382U JPS58131423U (en) | 1982-03-01 | 1982-03-01 | Frame period detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58131423U true JPS58131423U (en) | 1983-09-05 |
| JPH0416283Y2 JPH0416283Y2 (en) | 1992-04-13 |
Family
ID=30041193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2940382U Granted JPS58131423U (en) | 1982-03-01 | 1982-03-01 | Frame period detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58131423U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58111110A (en) * | 1981-12-23 | 1983-07-02 | Pioneer Electronic Corp | Synchronous signal detecting circuit |
-
1982
- 1982-03-01 JP JP2940382U patent/JPS58131423U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58111110A (en) * | 1981-12-23 | 1983-07-02 | Pioneer Electronic Corp | Synchronous signal detecting circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0416283Y2 (en) | 1992-04-13 |
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