JPS50137754A - - Google Patents

Info

Publication number
JPS50137754A
JPS50137754A JP49043908A JP4390874A JPS50137754A JP S50137754 A JPS50137754 A JP S50137754A JP 49043908 A JP49043908 A JP 49043908A JP 4390874 A JP4390874 A JP 4390874A JP S50137754 A JPS50137754 A JP S50137754A
Authority
JP
Japan
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.)
Granted
Application number
JP49043908A
Other languages
Japanese (ja)
Other versions
JPS5521283B2 (en
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 filed Critical
Priority to JP4390874A priority Critical patent/JPS5521283B2/ja
Publication of JPS50137754A publication Critical patent/JPS50137754A/ja
Priority to US05/746,830 priority patent/US4113353A/en
Publication of JPS5521283B2 publication Critical patent/JPS5521283B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Image Input (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Optical Integrated Circuits (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP4390874A 1974-04-20 1974-04-20 Expired JPS5521283B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP4390874A JPS5521283B2 (en) 1974-04-20 1974-04-20
US05/746,830 US4113353A (en) 1974-04-20 1976-12-02 Information processing optical device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4390874A JPS5521283B2 (en) 1974-04-20 1974-04-20

Publications (2)

Publication Number Publication Date
JPS50137754A true JPS50137754A (en) 1975-11-01
JPS5521283B2 JPS5521283B2 (en) 1980-06-09

Family

ID=12676802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4390874A Expired JPS5521283B2 (en) 1974-04-20 1974-04-20

Country Status (1)

Country Link
JP (1) JPS5521283B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5549091A (en) * 1978-10-04 1980-04-08 Hitachi Ltd Information coding circuit
JPS5581309A (en) * 1978-12-15 1980-06-19 Matsushita Electric Ind Co Ltd Input device
JPS55146579A (en) * 1979-04-28 1980-11-14 Sumitomo Electric Ind Ltd Tablet for character and graphic form input unit
JPS59127142A (en) * 1983-01-11 1984-07-21 Nec Corp Optical touch sensor
JPS6450901A (en) * 1987-08-21 1989-02-27 Taisei Corp Detecting method of photosensing position utilizing optical fiber and device therefor
JP2006349827A (en) * 2005-06-14 2006-12-28 Nippon Telegr & Teleph Corp <Ntt> Variable optical multiplexer/demultiplexer
GB2459702A (en) * 2008-05-01 2009-11-04 Peter Richard Nelson Waveguide structure for use in a position sensor and position measurement system.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256767A (en) * 1963-02-04 1966-06-21 Optics Technology Inc Fibre optics code apparatus
US3609759A (en) * 1969-12-31 1971-09-28 Emerson Electric Co Photoelectric keyboard encoder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256767A (en) * 1963-02-04 1966-06-21 Optics Technology Inc Fibre optics code apparatus
US3609759A (en) * 1969-12-31 1971-09-28 Emerson Electric Co Photoelectric keyboard encoder

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5549091A (en) * 1978-10-04 1980-04-08 Hitachi Ltd Information coding circuit
JPS6150414B2 (en) * 1978-10-04 1986-11-04 Hitachi Seisakusho Kk
JPS5581309A (en) * 1978-12-15 1980-06-19 Matsushita Electric Ind Co Ltd Input device
JPS55146579A (en) * 1979-04-28 1980-11-14 Sumitomo Electric Ind Ltd Tablet for character and graphic form input unit
JPS6230450B2 (en) * 1979-04-28 1987-07-02 Sumitomo Electric Industries
JPS59127142A (en) * 1983-01-11 1984-07-21 Nec Corp Optical touch sensor
JPS6450901A (en) * 1987-08-21 1989-02-27 Taisei Corp Detecting method of photosensing position utilizing optical fiber and device therefor
JP2006349827A (en) * 2005-06-14 2006-12-28 Nippon Telegr & Teleph Corp <Ntt> Variable optical multiplexer/demultiplexer
GB2459702A (en) * 2008-05-01 2009-11-04 Peter Richard Nelson Waveguide structure for use in a position sensor and position measurement system.
GB2459702B (en) * 2008-05-01 2012-07-11 Peter Richard Nelson Waveguide structure for use in a position sensor, a position sensor and position measurement system

Also Published As

Publication number Publication date
JPS5521283B2 (en) 1980-06-09

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