JPS55956A - Electronic computer - Google Patents

Electronic computer

Info

Publication number
JPS55956A
JPS55956A JP7440178A JP7440178A JPS55956A JP S55956 A JPS55956 A JP S55956A JP 7440178 A JP7440178 A JP 7440178A JP 7440178 A JP7440178 A JP 7440178A JP S55956 A JPS55956 A JP S55956A
Authority
JP
Japan
Prior art keywords
register
memory
arithmetic
marks
command
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
JP7440178A
Other languages
Japanese (ja)
Inventor
Yukio Maehashi
Hiroshi Hikichi
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 JP7440178A priority Critical patent/JPS55956A/en
Publication of JPS55956A publication Critical patent/JPS55956A/en
Pending legal-status Critical Current

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  • Calculators And Similar Devices (AREA)

Abstract

PURPOSE: To discriminate marks definitely and also to miniaturize an unit by printing out marks, which indicates arithmetic results and processing operations, on more than two lines with an arithmetic command key.
CONSTITUTION: The electronic desk calculator consists of keyboard part 1, arithmetic part 2, information memory part 3 with memory total register 4 and memory item counter memory part 5, mark selection control part 6, print information register 7, character counter 8, hammer driver circuit 9, comparator 10, printing type drum 11, and drum driver circuit 12. Operating the key for memory subtotal MS, for example, sends the contents of memory part 4 to register 7 by the command of arithmetic part 2 and control part 6 sends information on mark M to the 1st line of assignment register 7. Once register 7 is set, the print command is sent to circuit 12 and drum 11 is driven to print out M. Next, the contents of memory part 5 are sent to register 7 and S is printed out through the same processing, thereby printing out processing operation marks on two lines.
COPYRIGHT: (C)1980,JPO&Japio
JP7440178A 1978-06-19 1978-06-19 Electronic computer Pending JPS55956A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7440178A JPS55956A (en) 1978-06-19 1978-06-19 Electronic computer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7440178A JPS55956A (en) 1978-06-19 1978-06-19 Electronic computer

Publications (1)

Publication Number Publication Date
JPS55956A true JPS55956A (en) 1980-01-07

Family

ID=13546124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7440178A Pending JPS55956A (en) 1978-06-19 1978-06-19 Electronic computer

Country Status (1)

Country Link
JP (1) JPS55956A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410768A (en) * 1980-07-23 1983-10-18 Nippon Gakki Seizo Kabushiki Kaisha Electro-acoustic transducer
JPS6157109A (en) * 1984-08-28 1986-03-24 Mitsubishi Electric Corp Device changing smoothly digital quantity

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410768A (en) * 1980-07-23 1983-10-18 Nippon Gakki Seizo Kabushiki Kaisha Electro-acoustic transducer
JPS6157109A (en) * 1984-08-28 1986-03-24 Mitsubishi Electric Corp Device changing smoothly digital quantity

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