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JPS5746530A - Switching circuit - Google Patents

Switching circuit

Info

Publication number
JPS5746530A
JPS5746530A JP12173880A JP12173880A JPS5746530A JP S5746530 A JPS5746530 A JP S5746530A JP 12173880 A JP12173880 A JP 12173880A JP 12173880 A JP12173880 A JP 12173880A JP S5746530 A JPS5746530 A JP S5746530A
Authority
JP
Japan
Prior art keywords
circuit
switch
nonlock
turning
turned
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
JP12173880A
Other languages
Japanese (ja)
Inventor
Yasuhiro Ida
Sadao Ono
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.)
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion Co 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 Clarion Co Ltd filed Critical Clarion Co Ltd
Priority to JP12173880A priority Critical patent/JPS5746530A/en
Publication of JPS5746530A publication Critical patent/JPS5746530A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/62—Switching arrangements with several input- output-terminals, e.g. multiplexers, distributors

Landscapes

  • Electronic Switches (AREA)

Abstract

PURPOSE:To obtain a switching circuit having a function equivalent to a lock switch, by combining a nonlock switch and an FF circuit. CONSTITUTION:A nonlock key switch S is connected to an FF circuit consisting of NAND circuits Q3 and Q4 through buffer amplifiers Q1 and Q2. Switching transistors Q5 and Q6 are connected to the output of the FF circuit. When the switch S is turned on, a negative pulse is flowed to the input of the circuit Q4, and the circuit Q4 becomes H-level, and transistors Q6 and Q5 are inverted to the turning-on state and the turning-off state respectively. When the switch S is turned on again, the output of the circuit Q3 becomes H-level, and the circuit is returned to the original state.
JP12173880A 1980-09-04 1980-09-04 Switching circuit Pending JPS5746530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12173880A JPS5746530A (en) 1980-09-04 1980-09-04 Switching circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12173880A JPS5746530A (en) 1980-09-04 1980-09-04 Switching circuit

Publications (1)

Publication Number Publication Date
JPS5746530A true JPS5746530A (en) 1982-03-17

Family

ID=14818650

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12173880A Pending JPS5746530A (en) 1980-09-04 1980-09-04 Switching circuit

Country Status (1)

Country Link
JP (1) JPS5746530A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6079848U (en) * 1983-11-07 1985-06-03 クラリオン株式会社 Multi-function switch in electronically tuned radio
JPS62161225A (en) * 1985-08-23 1987-07-17 Nec Corp Radiotelephony equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6079848U (en) * 1983-11-07 1985-06-03 クラリオン株式会社 Multi-function switch in electronically tuned radio
JPS62161225A (en) * 1985-08-23 1987-07-17 Nec Corp Radiotelephony equipment

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