JPS5385472A - Call meter driving system - Google Patents

Call meter driving system

Info

Publication number
JPS5385472A
JPS5385472A JP15773376A JP15773376A JPS5385472A JP S5385472 A JPS5385472 A JP S5385472A JP 15773376 A JP15773376 A JP 15773376A JP 15773376 A JP15773376 A JP 15773376A JP S5385472 A JPS5385472 A JP S5385472A
Authority
JP
Japan
Prior art keywords
driving system
meter driving
call meter
matrix
call
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
JP15773376A
Other languages
Japanese (ja)
Inventor
Satoshi Inoue
Hiroaki Takami
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP15773376A priority Critical patent/JPS5385472A/en
Publication of JPS5385472A publication Critical patent/JPS5385472A/en
Pending legal-status Critical Current

Links

Landscapes

  • Arrangements For Transmission Of Measured Signals (AREA)
  • Meter Arrangements (AREA)

Abstract

PURPOSE: To enable metering to be done without depending on the ground signal of a C line by dividing and coding the input information from external circuits by every element of a matrix and driving the call meters constituted in matrix from.
COPYRIGHT: (C)1978,JPO&Japio
JP15773376A 1976-12-31 1976-12-31 Call meter driving system Pending JPS5385472A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15773376A JPS5385472A (en) 1976-12-31 1976-12-31 Call meter driving system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15773376A JPS5385472A (en) 1976-12-31 1976-12-31 Call meter driving system

Publications (1)

Publication Number Publication Date
JPS5385472A true JPS5385472A (en) 1978-07-27

Family

ID=15656161

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15773376A Pending JPS5385472A (en) 1976-12-31 1976-12-31 Call meter driving system

Country Status (1)

Country Link
JP (1) JPS5385472A (en)

Similar Documents

Publication Publication Date Title
JPS5385472A (en) Call meter driving system
JPS5383599A (en) Display circuit
JPS51120136A (en) Display system
JPS52143733A (en) Electronic cash register providing tax calculating functions
JPS52141671A (en) Digital display electronic watch with stop watch
JPS5351928A (en) Optical character reading method and its unit
JPS5229123A (en) Data input device
JPS52119142A (en) Distribution terminal system
JPS52153644A (en) Electronic cash register providing tax calculating functions
JPS53131875A (en) Time measuring system
JPS5412699A (en) Bar graph level meter
JPS5348544A (en) Remote reading apparatus
JPS53135520A (en) Driving circuit of electro-optical display unit
JPS5362498A (en) Digital display device
JPS5330827A (en) Numerical display system
JPS531545A (en) Solid electrooptical device
JPS52108735A (en) Display device
JPS535651A (en) Masurement device
JPS52133722A (en) Character display unit
JPS5351941A (en) Electronic cash register
JPS522134A (en) Arithmetic system
JPS5292569A (en) Full electronic type measuring device
JPS5363944A (en) Diagnosis circuit for digital logic circuit
JPS5296580A (en) Comparing detector
JPS5265463A (en) Digital meter