JPH01113440U - - Google Patents

Info

Publication number
JPH01113440U
JPH01113440U JP698388U JP698388U JPH01113440U JP H01113440 U JPH01113440 U JP H01113440U JP 698388 U JP698388 U JP 698388U JP 698388 U JP698388 U JP 698388U JP H01113440 U JPH01113440 U JP H01113440U
Authority
JP
Japan
Prior art keywords
parallel
scramble pattern
circuit
memory
converts
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
Application number
JP698388U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP698388U priority Critical patent/JPH01113440U/ja
Publication of JPH01113440U publication Critical patent/JPH01113440U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例におけるスクランブ
ル回路の構成を示す回路ブロツク図、第２図はデ
ータのフレーム構成の一例を示す図、第３図は従
来のスクランブル回路の構成を示す回路ブロツク
図である。 １１……パターンメモリ、１２……パターン指
定スイツチ、１３……排他的論理和回路、１４…
…フレームカウンタ、１５……並直列変換回路、
ＤＴ……並列の入力データ、ＳＰ……スクランブ
ルパターン、ＳＤＴ……スクランブル処理後のデ
ータ、ＡＤ……スクランブルパターンの指定アド
レス。 FIG. 1 is a circuit block diagram showing the configuration of a scrambling circuit in an embodiment of the present invention, FIG. 2 is a diagram showing an example of a data frame configuration, and FIG. 3 is a circuit block diagram showing the configuration of a conventional scrambling circuit. It is. 11...Pattern memory, 12...Pattern designation switch, 13...Exclusive OR circuit, 14...
...Frame counter, 15...Parallel-serial conversion circuit,
DT: Parallel input data, SP: Scramble pattern, SDT: Data after scramble processing, AD: Specified address of scramble pattern.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] スクランブルパターンを記憶したメモリと、こ
のメモリからスクランブルパターンを並列に読み
出しこのスクランブルパターンと並列入力された
データとを演算してランダム符号系列に変換する
演算回路と、この演算回路により得られたデータ
を並列から直列形式に変換して出力する並直列変
換回路とを具備したことを特徴とするスクランブ
ル回路。 A memory that stores a scramble pattern, an arithmetic circuit that reads the scramble pattern from this memory in parallel, calculates the scramble pattern and the data input in parallel, and converts it into a random code sequence, and the data obtained by the arithmetic circuit. A scrambling circuit characterized by comprising a parallel-to-serial conversion circuit that converts from parallel to serial format and outputs the result.
JP698388U 1988-01-22 1988-01-22 Pending JPH01113440U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP698388U JPH01113440U (en) 1988-01-22 1988-01-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP698388U JPH01113440U (en) 1988-01-22 1988-01-22

Publications (1)

Publication Number Publication Date
JPH01113440U true JPH01113440U (en) 1989-07-31

Family

ID=31211610

Family Applications (1)

Application Number Title Priority Date Filing Date
JP698388U Pending JPH01113440U (en) 1988-01-22 1988-01-22

Country Status (1)

Country Link
JP (1) JPH01113440U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0795179A (en) * 1993-03-15 1995-04-07 Byeong Gi Lee Parallel dispersed sample scrambling system
JP2015532030A (en) * 2012-07-31 2015-11-05 クワーン チー インテリジェント フォトニック テクノロジー リミテッド Visible light encryption method, decryption method, communication apparatus, and communication system
JP2016540403A (en) * 2013-09-30 2016-12-22 深▲セン▼光啓創新技術有限公司 Visible light signal transmission / reception processing method, transmission terminal / reception terminal, and system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0795179A (en) * 1993-03-15 1995-04-07 Byeong Gi Lee Parallel dispersed sample scrambling system
JP2015532030A (en) * 2012-07-31 2015-11-05 クワーン チー インテリジェント フォトニック テクノロジー リミテッド Visible light encryption method, decryption method, communication apparatus, and communication system
US10250384B2 (en) 2012-07-31 2019-04-02 Kuang-Chi Intelligent Photonic Technology Ltd. Visible light encryption method, decryption method, communication device and communication system
JP2016540403A (en) * 2013-09-30 2016-12-22 深▲セン▼光啓創新技術有限公司 Visible light signal transmission / reception processing method, transmission terminal / reception terminal, and system

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