JPS5236933A - Pen input device - Google Patents

Pen input device

Info

Publication number
JPS5236933A
JPS5236933A JP50113212A JP11321275A JPS5236933A JP S5236933 A JPS5236933 A JP S5236933A JP 50113212 A JP50113212 A JP 50113212A JP 11321275 A JP11321275 A JP 11321275A JP S5236933 A JPS5236933 A JP S5236933A
Authority
JP
Japan
Prior art keywords
pen input
pen
input
stopping
accomplished
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
JP50113212A
Other languages
Japanese (ja)
Inventor
Wataru Sakagami
Hiroaki Miura
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP50113212A priority Critical patent/JPS5236933A/en
Publication of JPS5236933A publication Critical patent/JPS5236933A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: In a pen input device, to prevent erroneous operations by preventing unwanted light from entering the pen by starting a scanning by pressing down the pen and by stopping when a detection is accomplished.
COPYRIGHT: (C)1977,JPO&Japio
JP50113212A 1975-09-19 1975-09-19 Pen input device Pending JPS5236933A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50113212A JPS5236933A (en) 1975-09-19 1975-09-19 Pen input device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50113212A JPS5236933A (en) 1975-09-19 1975-09-19 Pen input device

Publications (1)

Publication Number Publication Date
JPS5236933A true JPS5236933A (en) 1977-03-22

Family

ID=14606395

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50113212A Pending JPS5236933A (en) 1975-09-19 1975-09-19 Pen input device

Country Status (1)

Country Link
JP (1) JPS5236933A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525116A (en) * 1978-08-11 1980-02-22 Hitachi Ltd Character input device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4941026A (en) * 1972-08-26 1974-04-17
JPS4952929A (en) * 1972-06-29 1974-05-23

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4952929A (en) * 1972-06-29 1974-05-23
JPS4941026A (en) * 1972-08-26 1974-04-17

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525116A (en) * 1978-08-11 1980-02-22 Hitachi Ltd Character input device

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