JPH02132323U - - Google Patents

Description

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

第１図はこの考案の実施例を示すブロツク図、
第２図は従来例のブロツク図である。 １……光学ユニツト、２……エンジンボード、
３……発光制御回路、４……同期検知センサ、５
……Ｄ／Ａ変換器、７，８……比較器、９……可
変抵抗器、１０……ゲートアレイ。 Figure 1 is a block diagram showing an embodiment of this invention.
FIG. 2 is a block diagram of a conventional example. 1...Optical unit, 2...Engine board,
3...Light emission control circuit, 4...Synchronization detection sensor, 5
...D/A converter, 7, 8...Comparator, 9...Variable resistor, 10...Gate array.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 記録媒体に対して記録を行なう光ビームの発生
状況を制御する発光制御回路と、前記光ビームに
よる記録開始のタイミングを定める同期信号の検
知を行なう同期検知センサと、前記発光制御回路
とアナログ信号による各種信号の授受を行ないか
つ前記同期検知センサからの光信号を入力とする
周辺回路と、前記周辺回路とデイジタル信号によ
る各種信号の授受を行なうゲートアレイとを備え
る記録装置において、発光制御回路と同期検知セ
ンサと周辺回路とを光学ユニツトに収容し、エン
ジンボードをゲートアレイに収容したことを特徴
とする記録装置。 a light emission control circuit that controls the generation status of a light beam for recording on a recording medium; a synchronization detection sensor that detects a synchronization signal that determines the timing of starting recording by the light beam; In a recording device that includes a peripheral circuit that transmits and receives various signals and inputs an optical signal from the synchronization detection sensor, and a gate array that transmits and receives various signals with the peripheral circuit and digital signals, synchronization with a light emission control circuit is provided. A recording device characterized in that a detection sensor and a peripheral circuit are housed in an optical unit, and an engine board is housed in a gate array.