JPS5380917A - Multi-keying prevention circuit - Google Patents

Multi-keying prevention circuit

Info

Publication number
JPS5380917A
JPS5380917A JP15623776A JP15623776A JPS5380917A JP S5380917 A JPS5380917 A JP S5380917A JP 15623776 A JP15623776 A JP 15623776A JP 15623776 A JP15623776 A JP 15623776A JP S5380917 A JPS5380917 A JP S5380917A
Authority
JP
Japan
Prior art keywords
prevention circuit
keying
giving
priority
keying prevention
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
JP15623776A
Other languages
Japanese (ja)
Inventor
Tatsu Sakamoto
Shoji Shindo
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 JP15623776A priority Critical patent/JPS5380917A/en
Publication of JPS5380917A publication Critical patent/JPS5380917A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To change the overlapping output signals caused by double keying into a single signal and thus to enhance the reliability of the quipment by giving the priority to the key output line by the first preference means and also giving the priority to the time signal through the second preference means respectively.
COPYRIGHT: (C)1978,JPO&Japio
JP15623776A 1976-12-27 1976-12-27 Multi-keying prevention circuit Pending JPS5380917A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15623776A JPS5380917A (en) 1976-12-27 1976-12-27 Multi-keying prevention circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15623776A JPS5380917A (en) 1976-12-27 1976-12-27 Multi-keying prevention circuit

Publications (1)

Publication Number Publication Date
JPS5380917A true JPS5380917A (en) 1978-07-17

Family

ID=15623359

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15623776A Pending JPS5380917A (en) 1976-12-27 1976-12-27 Multi-keying prevention circuit

Country Status (1)

Country Link
JP (1) JPS5380917A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5663630A (en) * 1979-10-26 1981-05-30 Casio Comput Co Ltd Key input system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5663630A (en) * 1979-10-26 1981-05-30 Casio Comput Co Ltd Key input system
JPS6353568B2 (en) * 1979-10-26 1988-10-24 Casio Computer Co Ltd

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