JPS5536748A - Voltage comparing circuit - Google Patents

Voltage comparing circuit

Info

Publication number
JPS5536748A
JPS5536748A JP10973678A JP10973678A JPS5536748A JP S5536748 A JPS5536748 A JP S5536748A JP 10973678 A JP10973678 A JP 10973678A JP 10973678 A JP10973678 A JP 10973678A JP S5536748 A JPS5536748 A JP S5536748A
Authority
JP
Japan
Prior art keywords
resistor
bus line
side bus
comparing circuit
voltage comparing
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
JP10973678A
Other languages
Japanese (ja)
Inventor
Mitsuo Sawairi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10973678A priority Critical patent/JPS5536748A/en
Publication of JPS5536748A publication Critical patent/JPS5536748A/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Current Or Voltage (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To reduce cost and enhance reliability by providing a control-power source by the use of an input power supply and by comparing and sensing voltages with a single power source.
CONSTITUTION: A resistor 20 is connected between an input terminal 9 and a resistor 8, and a resistor 21 is connected between the midpoint of the resistor 8 and 20 and a negative-side bus line 2. An anode A of a diode 22 is connected between the power-supply terminal 9 and the resistor 20. A resistor 23 is connected between a cathode K and a positive-side bus line 1A, and a capacitor 24 is connected between the cathode K and the negative-side bus line 2.
COPYRIGHT: (C)1980,JPO&Japio
JP10973678A 1978-09-08 1978-09-08 Voltage comparing circuit Pending JPS5536748A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10973678A JPS5536748A (en) 1978-09-08 1978-09-08 Voltage comparing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10973678A JPS5536748A (en) 1978-09-08 1978-09-08 Voltage comparing circuit

Publications (1)

Publication Number Publication Date
JPS5536748A true JPS5536748A (en) 1980-03-14

Family

ID=14517936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10973678A Pending JPS5536748A (en) 1978-09-08 1978-09-08 Voltage comparing circuit

Country Status (1)

Country Link
JP (1) JPS5536748A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4684782A (en) * 1984-09-19 1987-08-04 Mitsubishi Denki Kabushiki Kaisha Control system for a charged particle beam apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5311538B2 (en) * 1975-07-31 1978-04-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5311538B2 (en) * 1975-07-31 1978-04-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4684782A (en) * 1984-09-19 1987-08-04 Mitsubishi Denki Kabushiki Kaisha Control system for a charged particle beam apparatus

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