JPS5242331A - Punch card read circuit - Google Patents

Punch card read circuit

Info

Publication number
JPS5242331A
JPS5242331A JP50117654A JP11765475A JPS5242331A JP S5242331 A JPS5242331 A JP S5242331A JP 50117654 A JP50117654 A JP 50117654A JP 11765475 A JP11765475 A JP 11765475A JP S5242331 A JPS5242331 A JP S5242331A
Authority
JP
Japan
Prior art keywords
read circuit
card read
punch card
signal
read
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
JP50117654A
Other languages
Japanese (ja)
Inventor
Kuniaki Mukai
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 JP50117654A priority Critical patent/JPS5242331A/en
Publication of JPS5242331A publication Critical patent/JPS5242331A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To prevent the read-in mistake by making the pulse signal to the leading edge of each channel signal for micro printer high speed photo electric type card reader and by making the synchronizing signal for read-in from the signal.
COPYRIGHT: (C)1977,JPO&Japio
JP50117654A 1975-10-01 1975-10-01 Punch card read circuit Pending JPS5242331A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50117654A JPS5242331A (en) 1975-10-01 1975-10-01 Punch card read circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50117654A JPS5242331A (en) 1975-10-01 1975-10-01 Punch card read circuit

Publications (1)

Publication Number Publication Date
JPS5242331A true JPS5242331A (en) 1977-04-01

Family

ID=14717005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50117654A Pending JPS5242331A (en) 1975-10-01 1975-10-01 Punch card read circuit

Country Status (1)

Country Link
JP (1) JPS5242331A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52155015A (en) * 1976-05-13 1977-12-23 Ebco Ind Ltd Punch card reader

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52155015A (en) * 1976-05-13 1977-12-23 Ebco Ind Ltd Punch card reader
JPS5759583B2 (en) * 1976-05-13 1982-12-15 Ebco Ind Ltd

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