JPS52129327A - Input tablet - Google Patents

Input tablet

Info

Publication number
JPS52129327A
JPS52129327A JP4544876A JP4544876A JPS52129327A JP S52129327 A JPS52129327 A JP S52129327A JP 4544876 A JP4544876 A JP 4544876A JP 4544876 A JP4544876 A JP 4544876A JP S52129327 A JPS52129327 A JP S52129327A
Authority
JP
Japan
Prior art keywords
input tablet
light
emittors
radiate
ways
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
JP4544876A
Other languages
Japanese (ja)
Inventor
Chishio Ooyama
Eiichi Kumagai
Takaaki Yokoi
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 JP4544876A priority Critical patent/JPS52129327A/en
Publication of JPS52129327A publication Critical patent/JPS52129327A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To realize a input tablet using light pen with high dependability and low cost, by providing plural light emittors which radiate the parallel light in two ways X and Y within flat plate bulk.
COPYRIGHT: (C)1977,JPO&Japio
JP4544876A 1976-04-23 1976-04-23 Input tablet Pending JPS52129327A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4544876A JPS52129327A (en) 1976-04-23 1976-04-23 Input tablet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4544876A JPS52129327A (en) 1976-04-23 1976-04-23 Input tablet

Publications (1)

Publication Number Publication Date
JPS52129327A true JPS52129327A (en) 1977-10-29

Family

ID=12719611

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4544876A Pending JPS52129327A (en) 1976-04-23 1976-04-23 Input tablet

Country Status (1)

Country Link
JP (1) JPS52129327A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5539955A (en) * 1978-09-14 1980-03-21 Nippon Telegr & Teleph Corp <Ntt> Coordinate input device
JPS60118923A (en) * 1983-12-01 1985-06-26 Usac Electronics Ind Co Ltd Position information inputting device
JPH01155538U (en) * 1988-04-15 1989-10-25
JP2008158616A (en) * 2006-12-21 2008-07-10 Mitsubishi Electric Corp Position detection apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5539955A (en) * 1978-09-14 1980-03-21 Nippon Telegr & Teleph Corp <Ntt> Coordinate input device
JPS5636451B2 (en) * 1978-09-14 1981-08-24
JPS60118923A (en) * 1983-12-01 1985-06-26 Usac Electronics Ind Co Ltd Position information inputting device
JPH0142410B2 (en) * 1983-12-01 1989-09-12 Pfu Ltd
JPH01155538U (en) * 1988-04-15 1989-10-25
JPH0530195Y2 (en) * 1988-04-15 1993-08-02
JP2008158616A (en) * 2006-12-21 2008-07-10 Mitsubishi Electric Corp Position detection apparatus

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