JPS59116862U - Capacitance/resistance measurement circuit - Google Patents

Capacitance/resistance measurement circuit

Info

Publication number
JPS59116862U
JPS59116862U JP1021883U JP1021883U JPS59116862U JP S59116862 U JPS59116862 U JP S59116862U JP 1021883 U JP1021883 U JP 1021883U JP 1021883 U JP1021883 U JP 1021883U JP S59116862 U JPS59116862 U JP S59116862U
Authority
JP
Japan
Prior art keywords
capacitor
capacitance
measurement circuit
resistance measurement
resistor
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
JP1021883U
Other languages
Japanese (ja)
Inventor
末廣　光民
Original Assignee
株式会社リコー
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 by 株式会社リコー filed Critical 株式会社リコー
Priority to JP1021883U priority Critical patent/JPS59116862U/en
Publication of JPS59116862U publication Critical patent/JPS59116862U/en
Pending legal-status Critical Current

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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

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

第１図は本考案の一実施例を示すブロック図、第２図は
第１図の各部の信号を示す波形図である。 １・・・パルス発生回路、２・・・比較回路、３・・・
計数回路、Ｃ・・・容量、Ｒ・・・抵抗、Ｔｒ・・・Ｐ
チャンネルＭＯＳトランジスタ、■ｒ・・・基準電圧。FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a waveform diagram showing signals at various parts in FIG. 1... Pulse generation circuit, 2... Comparison circuit, 3...
Counting circuit, C...capacitance, R...resistance, Tr...P
Channel MOS transistor, ■r...Reference voltage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] いずれか一方が固定であを抵抗と容量を、容量が抵抗を
介して電源により充電されるように接続したＣＲ回路と
、前記容量の電位を基準電位と比較する比較回路とを備
え、前記容量の電位が基準電位まで充電されるのに要す
る時間又はパルス数を測定することにより、前記容量の
容量値又は前記抵抗の抵抗値を求めることを特徴とする
測定回路。A CR circuit, one of which is fixed, connects a resistor and a capacitor such that the capacitor is charged by a power source via the resistor, and a comparison circuit that compares the potential of the capacitor with a reference potential. A measuring circuit characterized in that the capacitance value of the capacitor or the resistance value of the resistor is determined by measuring the time or number of pulses required for the potential of the capacitor to charge up to a reference potential.
JP1021883U 1983-01-26 1983-01-26 Capacitance/resistance measurement circuit Pending JPS59116862U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1021883U JPS59116862U (en) 1983-01-26 1983-01-26 Capacitance/resistance measurement circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1021883U JPS59116862U (en) 1983-01-26 1983-01-26 Capacitance/resistance measurement circuit

Publications (1)

Publication Number Publication Date
JPS59116862U true JPS59116862U (en) 1984-08-07

Family

ID=30141659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1021883U Pending JPS59116862U (en) 1983-01-26 1983-01-26 Capacitance/resistance measurement circuit

Country Status (1)

Country Link
JP (1) JPS59116862U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021516753A (en) * 2018-03-14 2021-07-08 京東方科技集團股▲ふん▼有限公司Ｂｏｅ Ｔｅｃｈｎｏｌｏｇｙ Ｇｒｏｕｐ Ｃｏ．，Ｌｔｄ． Accelerometers, capacitance detection circuits and methods, accelerometer circuits and methods, storage media, and electronics

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS512473A (en) * 1974-06-19 1976-01-10 Nippon Telegraph & Telephone

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS512473A (en) * 1974-06-19 1976-01-10 Nippon Telegraph & Telephone

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021516753A (en) * 2018-03-14 2021-07-08 京東方科技集團股▲ふん▼有限公司Ｂｏｅ Ｔｅｃｈｎｏｌｏｇｙ Ｇｒｏｕｐ Ｃｏ．，Ｌｔｄ． Accelerometers, capacitance detection circuits and methods, accelerometer circuits and methods, storage media, and electronics

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