JPS5690291A - Timer - Google Patents

Timer

Info

Publication number
JPS5690291A
JPS5690291A JP16729879A JP16729879A JPS5690291A JP S5690291 A JPS5690291 A JP S5690291A JP 16729879 A JP16729879 A JP 16729879A JP 16729879 A JP16729879 A JP 16729879A JP S5690291 A JPS5690291 A JP S5690291A
Authority
JP
Japan
Prior art keywords
counter
sound volume
time
shifting
limiting
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
JP16729879A
Other languages
Japanese (ja)
Inventor
Akito Tanabe
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP16729879A priority Critical patent/JPS5690291A/en
Publication of JPS5690291A publication Critical patent/JPS5690291A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electric Clocks (AREA)
  • Electronic Switches (AREA)

Abstract

PURPOSE: To perform the time-limiting and adjustment of sound volume with a small-sized constitution by shifting and selecting a timer counter and a sound volume counter and making an indicating device, etc. operate correspondingly.
CONSTITUTION: When a shifting switch 1 is connected to the side of a contact point 1b, AND gates 2 and 3 are opened by a high-level output, while the counter 4 for a timer is set to be in the state of nonoperation and a shifting circuit 12 selects the sound volume counter 9. And, corresponding to the operation of switches 7 and 8, the counter conducts up or down counting, thereby sound volume controlling voltage corresponding to setting is generated, while the output of the counter 9 is decoded by a decoder 16 and the prescribed transistors Q1WQ7 of the indicating circuit 18 are made conductive, thus the sound volume is indicated by LEDD1WD7. Meanwhile, when the time-limiting mode is set through the intermediary of the switch 1, the counter 4 which is capable of being set initially is counted down by a pulse outputted by the counter 5 at every 10 minutes through the intermediary of the switches 7 and 8, the remaining time is indicated by LEDD1WD7. Since a part used for two purposes is much, the time-limiting and the adjustment of the sound volume can be performed selectively by a simple and small-sized constitution.
COPYRIGHT: (C)1981,JPO&Japio
JP16729879A 1979-12-22 1979-12-22 Timer Pending JPS5690291A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16729879A JPS5690291A (en) 1979-12-22 1979-12-22 Timer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16729879A JPS5690291A (en) 1979-12-22 1979-12-22 Timer

Publications (1)

Publication Number Publication Date
JPS5690291A true JPS5690291A (en) 1981-07-22

Family

ID=15847152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16729879A Pending JPS5690291A (en) 1979-12-22 1979-12-22 Timer

Country Status (1)

Country Link
JP (1) JPS5690291A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6095742U (en) * 1983-12-06 1985-06-29 ブラザー工業株式会社 timer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6095742U (en) * 1983-12-06 1985-06-29 ブラザー工業株式会社 timer

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