JPS53144634A - Punch check circuit - Google Patents

Punch check circuit

Info

Publication number
JPS53144634A
JPS53144634A JP5964477A JP5964477A JPS53144634A JP S53144634 A JPS53144634 A JP S53144634A JP 5964477 A JP5964477 A JP 5964477A JP 5964477 A JP5964477 A JP 5964477A JP S53144634 A JPS53144634 A JP S53144634A
Authority
JP
Japan
Prior art keywords
check circuit
punch
punch check
piezo
precision
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
JP5964477A
Other languages
Japanese (ja)
Inventor
Takehiko Saito
Yasumasa Takagi
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP5964477A priority Critical patent/JPS53144634A/en
Publication of JPS53144634A publication Critical patent/JPS53144634A/en
Pending legal-status Critical Current

Links

Landscapes

  • Dot-Matrix Printers And Others (AREA)

Abstract

PURPOSE: To realize a punch check circuit whose constitution is simple and precision is high and which is advantageous in terms of space and cost, by providing analog switch which operates a gate action to the output side of a piezo-electric pickup.
COPYRIGHT: (C)1978,JPO&Japio
JP5964477A 1977-05-23 1977-05-23 Punch check circuit Pending JPS53144634A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5964477A JPS53144634A (en) 1977-05-23 1977-05-23 Punch check circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5964477A JPS53144634A (en) 1977-05-23 1977-05-23 Punch check circuit

Publications (1)

Publication Number Publication Date
JPS53144634A true JPS53144634A (en) 1978-12-16

Family

ID=13119126

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5964477A Pending JPS53144634A (en) 1977-05-23 1977-05-23 Punch check circuit

Country Status (1)

Country Link
JP (1) JPS53144634A (en)

Similar Documents

Publication Publication Date Title
JPS5386108A (en) Impulse noise limiting circuit
JPS5434272A (en) Electronic wristwatch
JPS53144634A (en) Punch check circuit
JPS5421880A (en) Electronic alarm watch
JPS52134481A (en) Piezo-electric conversion device
JPS5441660A (en) Timer
JPS53128227A (en) Multiple switch
JPS535959A (en) Timer circuit
JPS5425660A (en) Peak value detection circuit
JPS53106558A (en) Voltage division circuit
JPS53120359A (en) Digital-to-analog converter circuit
JPS5299044A (en) Analogue memory circuit
JPS545339A (en) Digital input circuit
JPS545363A (en) Sound reproducing device
JPS5315051A (en) Chattering absorbing circuit of contacts
JPS53110443A (en) Operation unit
JPS5284942A (en) Non-linear distortion generator
JPS5427715A (en) Pickup unit
JPS5440540A (en) Isolator
JPS5391641A (en) Ncr code check circuit
JPS5429925A (en) Keyboard
JPS52149469A (en) I/o isolating type da converter
JPS5427731A (en) Pickup unit
JPS5386559A (en) Analog switch circuit
JPS53129770A (en) Reciprocation mechanism