JPS534430A - Cord-less light pen for video display - Google Patents

Cord-less light pen for video display

Info

Publication number
JPS534430A
JPS534430A JP7782176A JP7782176A JPS534430A JP S534430 A JPS534430 A JP S534430A JP 7782176 A JP7782176 A JP 7782176A JP 7782176 A JP7782176 A JP 7782176A JP S534430 A JPS534430 A JP S534430A
Authority
JP
Japan
Prior art keywords
cord
light pen
video display
less light
pen
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
JP7782176A
Other languages
Japanese (ja)
Inventor
Hisao Kuma
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7782176A priority Critical patent/JPS534430A/en
Publication of JPS534430A publication Critical patent/JPS534430A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To realize the cordless light pen by using ultrasonic wave.
COPYRIGHT: (C)1978,JPO&Japio
JP7782176A 1976-07-02 1976-07-02 Cord-less light pen for video display Pending JPS534430A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7782176A JPS534430A (en) 1976-07-02 1976-07-02 Cord-less light pen for video display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7782176A JPS534430A (en) 1976-07-02 1976-07-02 Cord-less light pen for video display

Publications (1)

Publication Number Publication Date
JPS534430A true JPS534430A (en) 1978-01-17

Family

ID=13644690

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7782176A Pending JPS534430A (en) 1976-07-02 1976-07-02 Cord-less light pen for video display

Country Status (1)

Country Link
JP (1) JPS534430A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6059139U (en) * 1983-09-29 1985-04-24 株式会社島津製作所 Compressive strain measuring device for material testing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6059139U (en) * 1983-09-29 1985-04-24 株式会社島津製作所 Compressive strain measuring device for material testing machine
JPS6329232Y2 (en) * 1983-09-29 1988-08-05

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