JPS5741035A - Timer - Google Patents

Timer

Info

Publication number
JPS5741035A
JPS5741035A JP11670180A JP11670180A JPS5741035A JP S5741035 A JPS5741035 A JP S5741035A JP 11670180 A JP11670180 A JP 11670180A JP 11670180 A JP11670180 A JP 11670180A JP S5741035 A JPS5741035 A JP S5741035A
Authority
JP
Japan
Prior art keywords
turned
time
switch
transistor
becomes
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
JP11670180A
Other languages
Japanese (ja)
Inventor
Yasutake Manda
Mitsuhisa Yonekawa
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.)
Tokyo Sanyo Electric Co Ltd
Toshiba TEC Corp
Original Assignee
Tokyo Sanyo Electric Co Ltd
Tokyo Electric 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 Tokyo Sanyo Electric Co Ltd, Tokyo Electric Co Ltd filed Critical Tokyo Sanyo Electric Co Ltd
Priority to JP11670180A priority Critical patent/JPS5741035A/en
Publication of JPS5741035A publication Critical patent/JPS5741035A/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
    • H03K17/28—Modifications for introducing a time delay before switching

Landscapes

  • Electronic Switches (AREA)

Abstract

PURPOSE:To elevate use convenience of a timer, by constituting it so that a time can be set by only pushing a desired time setting button, also the time setting button executes a function of an electric power source switch, too, and the electric power source is turned off after a prescribed time even if it is forgotten to push an off- switch after time-up. CONSTITUTION:For instance, in case when a set time has been set to one minute, a changeover switch 4 is changed over to minute use, and when a time setting button 2 of ''1'' is pushed, the cathode of diodes D1, D2 becomes an H level, a thyristor 17 is triggered and conducts. On the other hand, a memory 22 stores that the button 2 has been pushed, an output Q8 of a binary counter 9 becomes an H level after 0.9375 second, an output is generated from a diode D17, and a transistor 25 is turned on. Keeping pace with it, a transistor 26 is turned on and off in accordance with an oscillation period of an oscillator 8, and a buzzer 24 is operated. In this way, even if it is forgotten to push an off-switch 3, an output Q14 becomes an H level after 60min, a transistor 27 is turned off, and the thyristor 17 is also turned off.
JP11670180A 1980-08-25 1980-08-25 Timer Pending JPS5741035A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11670180A JPS5741035A (en) 1980-08-25 1980-08-25 Timer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11670180A JPS5741035A (en) 1980-08-25 1980-08-25 Timer

Publications (1)

Publication Number Publication Date
JPS5741035A true JPS5741035A (en) 1982-03-06

Family

ID=14693690

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11670180A Pending JPS5741035A (en) 1980-08-25 1980-08-25 Timer

Country Status (1)

Country Link
JP (1) JPS5741035A (en)

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