JPS5648A - Counter memory circuit - Google Patents

Counter memory circuit

Info

Publication number
JPS5648A
JPS5648A JP7448979A JP7448979A JPS5648A JP S5648 A JPS5648 A JP S5648A JP 7448979 A JP7448979 A JP 7448979A JP 7448979 A JP7448979 A JP 7448979A JP S5648 A JPS5648 A JP S5648A
Authority
JP
Japan
Prior art keywords
signal
automatic stop
switch
logic
error
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
JP7448979A
Other languages
Japanese (ja)
Inventor
Makoto Kondo
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP7448979A priority Critical patent/JPS5648A/en
Publication of JPS5648A publication Critical patent/JPS5648A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prevent the production of automatic stop operation in error, by producing the automatic stop signal with the logical product between the differentiation pulse signal at ON and OFF change of the memory switch and the signal when the operation switch is ON.
CONSTITUTION: When the operation switch 22 is ON with the memory switch 10 ON, that is, with the counter display in 999, the second signal (b) differentiating the first signal (a) is at logic L. Accordingly, even if the switch 22 is ON at time (t) and the third signal (c) is at logic H, the fourth signal (d) can not be at logic H and FF24 is not set, then the control signal (e) remains L and no automatic stop is made. That is, even if the operation switch 22 is ON while the counter display is at 999, no automatic stop in error can be made. Thus, the production of automatic stop operation in error can be prevented.
COPYRIGHT: (C)1981,JPO&Japio
JP7448979A 1979-06-13 1979-06-13 Counter memory circuit Pending JPS5648A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7448979A JPS5648A (en) 1979-06-13 1979-06-13 Counter memory circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7448979A JPS5648A (en) 1979-06-13 1979-06-13 Counter memory circuit

Publications (1)

Publication Number Publication Date
JPS5648A true JPS5648A (en) 1981-01-06

Family

ID=13548748

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7448979A Pending JPS5648A (en) 1979-06-13 1979-06-13 Counter memory circuit

Country Status (1)

Country Link
JP (1) JPS5648A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4563900A (en) * 1983-04-27 1986-01-14 Hitachi, Ltd. Acoustic microscope
JPS6121898U (en) * 1984-07-13 1986-02-08 松下電工株式会社 Blower
JP2020153801A (en) * 2019-03-20 2020-09-24 株式会社シスミック Direct current detection device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4563900A (en) * 1983-04-27 1986-01-14 Hitachi, Ltd. Acoustic microscope
JPS6121898U (en) * 1984-07-13 1986-02-08 松下電工株式会社 Blower
JP2020153801A (en) * 2019-03-20 2020-09-24 株式会社シスミック Direct current detection device

Similar Documents

Publication Publication Date Title
JPS5718129A (en) Pulse swallow frequency divider
JPS5530780A (en) Digital input unit
JPS5648A (en) Counter memory circuit
JPS5587201A (en) Double system controller
JPS5343184A (en) Sequence controller
JPS5745649A (en) Asynchronizing signal synchronizer
JPS51123185A (en) Parent-child clock
JPS5473008A (en) Tape controller
JPS5576434A (en) Cursor control unit
JPS5374500A (en) Control circuit of automatic vending machine
JPS5467465A (en) Alarm electronic watch
JPS5338235A (en) Microprogram control unit
JPS53131723A (en) Alarm display system
JPS54132104A (en) Communication control unit
JPS5453956A (en) Timing logic circuit
JPS5253464A (en) Electronic watch with alarm
JPS5439531A (en) Input and output port circuit
JPS6484475A (en) Duty ratio discriminating device
JPS56137401A (en) Process controller
JPS5233456A (en) Chattering rejection circuit
JPS51127798A (en) Vending machine control system
JPS5671111A (en) Control operation monitor system
JPS5218370A (en) Electronic clock
JPS54109885A (en) Frequency monitoring circuit
JPS5595103A (en) Automatic controller