JPS5396634A - Crt display unit - Google Patents

Crt display unit

Info

Publication number
JPS5396634A
JPS5396634A JP1099977A JP1099977A JPS5396634A JP S5396634 A JPS5396634 A JP S5396634A JP 1099977 A JP1099977 A JP 1099977A JP 1099977 A JP1099977 A JP 1099977A JP S5396634 A JPS5396634 A JP S5396634A
Authority
JP
Japan
Prior art keywords
display unit
crt display
light
noises
identify
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
JP1099977A
Other languages
Japanese (ja)
Inventor
Kenichi Takahashi
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 JP1099977A priority Critical patent/JPS5396634A/en
Publication of JPS5396634A publication Critical patent/JPS5396634A/en
Pending legal-status Critical Current

Links

Landscapes

  • Position Input By Displaying (AREA)

Abstract

PURPOSE: To prevent the influence of disturbing light and noises by causing a CRT display unit having a light pen as its input method to identify that the pieces of the same information continuously inputted are available data.
COPYRIGHT: (C)1978,JPO&Japio
JP1099977A 1977-02-02 1977-02-02 Crt display unit Pending JPS5396634A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1099977A JPS5396634A (en) 1977-02-02 1977-02-02 Crt display unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1099977A JPS5396634A (en) 1977-02-02 1977-02-02 Crt display unit

Publications (1)

Publication Number Publication Date
JPS5396634A true JPS5396634A (en) 1978-08-24

Family

ID=11765823

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1099977A Pending JPS5396634A (en) 1977-02-02 1977-02-02 Crt display unit

Country Status (1)

Country Link
JP (1) JPS5396634A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50158224A (en) * 1974-05-24 1975-12-22
JPS5267219A (en) * 1975-12-01 1977-06-03 Fujitsu Ltd Pen touch type control circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50158224A (en) * 1974-05-24 1975-12-22
JPS5267219A (en) * 1975-12-01 1977-06-03 Fujitsu Ltd Pen touch type control circuit

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