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IT986377B - Apparecchio ottico per il comando a distanza - Google Patents

Apparecchio ottico per il comando a distanza

Info

Publication number
IT986377B
IT986377B IT68576/73A IT6857673A IT986377B IT 986377 B IT986377 B IT 986377B IT 68576/73 A IT68576/73 A IT 68576/73A IT 6857673 A IT6857673 A IT 6857673A IT 986377 B IT986377 B IT 986377B
Authority
IT
Italy
Prior art keywords
remote control
optical device
optical
remote
control
Prior art date
Application number
IT68576/73A
Other languages
English (en)
Original Assignee
Matsushita Electronics Corp
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 Matsushita Electronics Corp filed Critical Matsushita Electronics Corp
Application granted granted Critical
Publication of IT986377B publication Critical patent/IT986377B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J9/00—Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification
    • H03J9/06—Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification using electromagnetic waves other than radio waves, e.g. light

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optical Communication System (AREA)
  • Selective Calling Equipment (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Details Of Television Systems (AREA)
IT68576/73A 1972-05-30 1973-05-29 Apparecchio ottico per il comando a distanza IT986377B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47053985A JPS498684A (it) 1972-05-30 1972-05-30

Publications (1)

Publication Number Publication Date
IT986377B true IT986377B (it) 1975-01-30

Family

ID=12957903

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68576/73A IT986377B (it) 1972-05-30 1973-05-29 Apparecchio ottico per il comando a distanza

Country Status (7)

Country Link
US (1) US3937949A (it)
JP (1) JPS498684A (it)
CA (1) CA991705A (it)
DE (1) DE2327748A1 (it)
FR (1) FR2187158A5 (it)
GB (1) GB1419865A (it)
IT (1) IT986377B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5419408B2 (it) * 1971-09-25 1979-07-14
DE2444355A1 (de) * 1974-09-17 1976-04-08 Zeiss Carl Fa Drahtlose fernsteuerung von kameras
US4091273A (en) * 1976-12-17 1978-05-23 United Technologies Corporation Electro-optical switching system
DE2742899C3 (de) * 1977-09-23 1980-06-12 Siemens Ag, 1000 Berlin Und 8000 Muenchen Anordnung zur optischen Übertragung von Nachrichten
JPS584501B2 (ja) * 1978-02-07 1983-01-26 キヤノン株式会社 リモ−トコントロ−ル装置
US4192995A (en) * 1978-02-21 1980-03-11 Optical Coating Laboratory, Inc. Photometric testing apparatus using shaped diffuser and light beam having a spatially ill-defined energy distribution
US5063380A (en) * 1988-02-24 1991-11-05 Kabushiki Kaisha Asahi Denshi Kenkyujyo Discrete object searching apparatus for search of discrete files and the like
DE19746841A1 (de) * 1997-10-23 1999-04-29 Bosch Gmbh Robert Elektrisches Gerät
US7034999B1 (en) 1998-09-29 2006-04-25 Casler Christopher L Hemispheric lens for a remote-controlled retail electronic entertainment device
JP2002076440A (ja) * 2000-08-28 2002-03-15 Stanley Electric Co Ltd 発光装置及び光空間伝送装置
RU2010103272A (ru) * 2010-02-01 2011-08-10 Общество с ограниченной ответственностью Крейф (ООО Крейф) (RU) Способ повышения точности ввода информации с помощью дистанционного указателя

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2275602A (en) * 1938-10-03 1942-03-10 Alncin Inc Light diffusing lens
US2443918A (en) * 1944-06-19 1948-06-22 Rhone Poulenc Sa Light-diffusing cellulose acetate compositions
US2444442A (en) * 1946-06-29 1948-07-06 Lafayette M Hughes Photoelectric apparatus
US2818765A (en) * 1956-10-08 1958-01-07 Bausch & Lomb Method and means for achromatizing prisms
AT230650B (de) * 1961-03-23 1963-12-10 Gossen & Co Gmbh P Hochempfindlicher Belichtungsmesser
US3330951A (en) * 1965-05-17 1967-07-11 Corning Glass Works Diffusing lens for spotlights with axially oriented filaments
US3491237A (en) * 1967-08-09 1970-01-20 Stephen S Tillett Optical structures

Also Published As

Publication number Publication date
GB1419865A (en) 1975-12-31
DE2327748A1 (de) 1973-12-13
AU5633773A (en) 1974-12-05
CA991705A (en) 1976-06-22
US3937949A (en) 1976-02-10
JPS498684A (it) 1974-01-25
FR2187158A5 (it) 1974-01-11

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