JPS6152855U - - Google Patents

Description

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

第１図は受信機における従来のチエツク端子回
路を示すブロツク図、第２図〜第４図は本考案の
実施例のチエツク端子回路を示すブロツク図であ
る。 １…受信機、２…局部発振回路、３…ミキサ回
路、４…局部発振信号ライン、５…周波数カウン
タ、６…スイツチング素子、７…スイツチ。 FIG. 1 is a block diagram showing a conventional check terminal circuit in a receiver, and FIGS. 2 to 4 are block diagrams showing check terminal circuits according to embodiments of the present invention. DESCRIPTION OF SYMBOLS 1...Receiver, 2...Local oscillation circuit, 3...Mixer circuit, 4...Local oscillation signal line, 5...Frequency counter, 6...Switching element, 7...Switch.

Claims (1)

【実用新案登録請求の範囲】 (1) 回路内の被測定部から外部に導出したチエ
ツク端子を備えた電子機器において、この電子機
器の内部に設けられて前記被測定部と前記チエツ
ク端子との間の接続を切断しうるスイツチ手段と
、前記電子機器の外部から前記スイツチ手段を作
動するための作動手段とを備えていることを特徴
とするチエツク端子を備えた電子機器。 (2) スイツチ手段がリレーよりなる実用新案登
録請求の範囲第１項記載のチエツク端子を備えた
電子機器。 (3) スイツチ手段がダイオードよりなる実用新
案登録請求の範囲第１項記載のチエツク端子を備
えた電子機器。[Claims for Utility Model Registration] (1) In an electronic device equipped with a check terminal led out from a part to be measured in a circuit, a check terminal provided inside the electronic device to connect the part to be measured and the check terminal. 1. An electronic device equipped with a check terminal, characterized in that the electronic device is equipped with a switch means for disconnecting the connection between the two terminals, and an actuating means for activating the switch means from the outside of the electronic device. (2) An electronic device equipped with a check terminal according to claim 1, wherein the switching means is a relay. (3) An electronic device equipped with a check terminal according to claim 1 of the utility model registration claim, in which the switch means is a diode.