JPH036387U - - Google Patents
Info
- Publication number
- JPH036387U JPH036387U JP6687789U JP6687789U JPH036387U JP H036387 U JPH036387 U JP H036387U JP 6687789 U JP6687789 U JP 6687789U JP 6687789 U JP6687789 U JP 6687789U JP H036387 U JPH036387 U JP H036387U
- Authority
- JP
- Japan
- Prior art keywords
- data
- frame
- multiplexing mode
- determining
- bit
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Television Systems (AREA)
Description
第１図は本考案の一実施例に係わるデータ放送
のデータ多重モード判定回路の構成を示す回路図
、第２図は上記データ放送の音声領域の伝送フオ
ーマツト図である。
１，２，３及び８……データ多重モード判定用
制御符号の抽出手段を構成するシフトレジスタ、
ラツチ回路、カウンタ及びデコーダ、４ａ〜４ｅ
……抽出された各ビツトを計数する計数手段を構
成するカウンタ、６ａ〜６ｅ及び７……ビツト判
定手段を構成する比較回路及び判定値保持回路。
FIG. 1 is a circuit diagram showing the configuration of a data multiplexing mode determination circuit for data broadcasting according to an embodiment of the present invention, and FIG. 2 is a transmission format diagram of the audio area of the data broadcasting. 1, 2, 3 and 8...shift registers constituting means for extracting control codes for data multiplexing mode determination;
Latch circuits, counters and decoders, 4a-4e
. . . a counter constituting a counting means for counting each extracted bit, 6a to 6e and 7 . . . a comparison circuit and a judgment value holding circuit constituting a bit judgment means.
Claims (1)
を多重化して送出すると共に、この音声領域内に
おける非音声データの多重化個所を示す所定ビツ
ト数のデータ多重モード判定用制御符号を所定数
のフレームから成るマルチフレーム内の各フレー
ムの先頭に繰り返し送出するデータ放送の受信機
内に設置されるデータ多重モードの判定回路であ
つて、 前記マスタフレーム内の各フレームの先頭のデ
ータ多重モード判定用制御符号をビツトごとに抽
出する手段と、 これら抽出された各ビツトをこのマスタフレー
ム内の各フレームにわたつて計数する計数手段と
、 これら計数手段の計数値が所定値を越えたか否
かに応じて二値信号を出力するビツト判定手段と
を備えたことを特徴とするデータ放送のデータ多
重モード判定回路。[Claims for Utility Model Registration] Multiplexing and transmitting non-audio data into an empty part of the audio area of satellite broadcasting, and determining the data multiplexing mode of a predetermined number of bits indicating the multiplexing location of the non-audio data within this audio area. A data multiplexing mode determination circuit installed in a data broadcasting receiver that repeatedly transmits a control code at the beginning of each frame in a multiframe consisting of a predetermined number of frames, the circuit for determining a data multiplexing mode at the beginning of each frame in the master frame. means for extracting a control code for data multiplexing mode determination bit by bit; a counting means for counting each of the extracted bits over each frame in the master frame; 1. A data multiplexing mode determining circuit for data broadcasting, comprising: bit determining means for outputting a binary signal depending on whether or not the threshold is exceeded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6687789U JPH036387U (en) | 1989-06-07 | 1989-06-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6687789U JPH036387U (en) | 1989-06-07 | 1989-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH036387U true JPH036387U (en) | 1991-01-22 |
Family
ID=31599961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6687789U Pending JPH036387U (en) | 1989-06-07 | 1989-06-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH036387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63113251A (en) * | 1986-03-26 | 1988-05-18 | エ−ゲ−オ−・エレクトロ・ゲレテ・ブランク・ウ−・フイツシヤ− | Liquid heater |
-
1989
- 1989-06-07 JP JP6687789U patent/JPH036387U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63113251A (en) * | 1986-03-26 | 1988-05-18 | エ−ゲ−オ−・エレクトロ・ゲレテ・ブランク・ウ−・フイツシヤ− | Liquid heater |
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