FI812661L - Ljusdistributionssystem foer optiska omkodare - Google Patents

Ljusdistributionssystem foer optiska omkodare

Info

Publication number
FI812661L
FI812661L FI812661A FI812661A FI812661L FI 812661 L FI812661 L FI 812661L FI 812661 A FI812661 A FI 812661A FI 812661 A FI812661 A FI 812661A FI 812661 L FI812661 L FI 812661L
Authority
FI
Finland
Prior art keywords
optiska
omkodare
ljusdistributionssystem
foer
optiska omkodare
Prior art date
Application number
FI812661A
Other languages
English (en)
Inventor
Tom Henningsen
Forrest Eugene Coyle
Roger Dale Moates
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of FI812661L publication Critical patent/FI812661L/fi

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • H03M1/245—Constructional details of parts relevant to the encoding mechanism, e.g. pattern carriers, pattern sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
    • H03M1/16—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps
    • H03M1/161—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps in pattern-reading type converters, e.g. with gearings
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
    • H03M1/282—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding of the pattern-shifting type, e.g. pseudo-random chain code

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
FI812661A 1980-08-28 1981-08-27 Ljusdistributionssystem foer optiska omkodare FI812661L (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/182,300 US4342908A (en) 1980-08-28 1980-08-28 Light distribution system for optical encoders

Publications (1)

Publication Number Publication Date
FI812661L true FI812661L (fi) 1982-03-01

Family

ID=22667871

Family Applications (1)

Application Number Title Priority Date Filing Date
FI812661A FI812661L (fi) 1980-08-28 1981-08-27 Ljusdistributionssystem foer optiska omkodare

Country Status (10)

Country Link
US (1) US4342908A (fi)
EP (1) EP0047110A3 (fi)
JP (1) JPS5856920B2 (fi)
KR (1) KR850000267B1 (fi)
AU (1) AU7436581A (fi)
BR (1) BR8105466A (fi)
CA (1) CA1143846A (fi)
FI (1) FI812661L (fi)
MX (1) MX151550A (fi)
ZA (1) ZA815705B (fi)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4381448A (en) * 1981-08-31 1983-04-26 The United States Of America As Represented By The Secretary Of The Army Wide angle intensity pickoff
US4500779A (en) * 1982-03-01 1985-02-19 Westinghouse Electric Corp. Meter encoding register having improved zeroing mechanism
US4511798A (en) * 1983-02-23 1985-04-16 Westinghouse Electric Corp. Meter encoding register with tapered aperture in baffle insert
US4707679A (en) * 1984-10-22 1987-11-17 Westinghouse Electric Corp. Magnetic tamper detector
GB2174858B (en) * 1985-04-24 1989-10-11 British Aerospace Optical control systems
JP2763138B2 (ja) * 1989-06-23 1998-06-11 株式会社東芝 携帯形情報機器
DE19654651A1 (de) * 1996-12-28 1998-07-02 Teves Gmbh Alfred Beleuchtetes Rändelrad
CA2268554A1 (en) * 1998-06-08 1999-12-08 Lucent Technologies Inc. Article comprising co-injection molded component having integral light guide
US6598998B2 (en) * 2001-05-04 2003-07-29 Lumileds Lighting, U.S., Llc Side emitting light emitting device
US6607286B2 (en) * 2001-05-04 2003-08-19 Lumileds Lighting, U.S., Llc Lens and lens cap with sawtooth portion for light emitting diode
JP2003173712A (ja) * 2001-12-05 2003-06-20 Toyoda Gosei Co Ltd 発光装置及びディスプレイ
US6560038B1 (en) * 2001-12-10 2003-05-06 Teledyne Lighting And Display Products, Inc. Light extraction from LEDs with light pipes
US6896381B2 (en) * 2002-10-11 2005-05-24 Light Prescriptions Innovators, Llc Compact folded-optics illumination lens
US7042655B2 (en) * 2002-12-02 2006-05-09 Light Prescriptions Innovators, Llc Apparatus and method for use in fulfilling illumination prescription
US6924943B2 (en) * 2002-12-02 2005-08-02 Light Prescriptions Innovators, Llc Asymmetric TIR lenses producing off-axis beams
US7377671B2 (en) * 2003-02-04 2008-05-27 Light Prescriptions Innovators, Llc Etendue-squeezing illumination optics
US7329029B2 (en) * 2003-05-13 2008-02-12 Light Prescriptions Innovators, Llc Optical device for LED-based lamp
US8075147B2 (en) * 2003-05-13 2011-12-13 Light Prescriptions Innovators, Llc Optical device for LED-based lamp
US7021797B2 (en) * 2003-05-13 2006-04-04 Light Prescriptions Innovators, Llc Optical device for repositioning and redistributing an LED's light
EP1664851B1 (en) * 2003-07-28 2014-11-12 Light Prescriptions Innovators, LLC. Three-dimensional simultaneous multiple-surface method and free-form illumination-optics designed therefrom
US7006306B2 (en) * 2003-07-29 2006-02-28 Light Prescriptions Innovators, Llc Circumferentially emitting luminaires and lens-elements formed by transverse-axis profile-sweeps
US7746520B2 (en) * 2004-11-23 2010-06-29 Xerox Corporation Document illuminator
US7593143B2 (en) * 2005-03-31 2009-09-22 Xerox Corporation Compound curved concentrator based illuminator
US7715063B2 (en) * 2005-03-31 2010-05-11 Xerox Corporation CVT integrated illuminator
EP1920285A4 (en) * 2005-07-28 2010-11-03 Light Prescriptions Innovators LENS OPTICAL FREE-FORM ELEMENTS AND THEIR APPLICATION TO CAPACITORS AND HEADLIGHTS
JP2009503793A (ja) 2005-07-28 2009-01-29 ライト プレスクリプションズ イノベーターズ エルエルシー バックライトおよびフロントライト用のエテンデュ保存型照明光学部品
US8631787B2 (en) * 2005-07-28 2014-01-21 Light Prescriptions Innovators, Llc Multi-junction solar cells with a homogenizer system and coupled non-imaging light concentrator
WO2008008994A2 (en) * 2006-07-14 2008-01-17 Light Prescriptions Innovators, Llc Brightness-enhancing film
WO2008022064A2 (en) * 2006-08-10 2008-02-21 Light Prescriptions Innovators, Llc Led light recycling device
WO2008022065A2 (en) * 2006-08-11 2008-02-21 Light Prescriptions Innovators, Llc Led luminance-enhancement and color-mixing by rotationally multiplexed beam-combining
US20090225529A1 (en) * 2008-02-21 2009-09-10 Light Prescriptions Innovators, Llc Spherically emitting remote phosphor
LU91495B1 (fr) * 2008-11-10 2010-05-11 Tmt Tapping Measuring Technology Sarl Dispositif de réparation d'un matériau en fusion
DE102009025399A1 (de) * 2009-06-16 2011-01-13 Karl, Gerhard, Dipl.-Phys. Leuchtkörper mit Reflektoren zur gleichmäßigen Flächenausleuchtung
KR101808185B1 (ko) * 2010-12-27 2018-01-19 삼성전자 주식회사 도광판, 이를 포함하는 백라이트유닛, 디스플레이장치 및 도광판 제조방법
KR102332243B1 (ko) 2015-01-27 2021-11-29 삼성전자주식회사 반사형 확산렌즈 및 이를 포함하는 디스플레이 장치

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244895A (en) * 1962-07-26 1966-04-05 Dynamics Res Corp Shaft encoders
US3689160A (en) * 1970-01-22 1972-09-05 Juozas Juozo Shimulenis Angle-reading device
US3846788A (en) * 1971-03-26 1974-11-05 Automated Technology Corp Polydecade decimal to digital encoder
US3731107A (en) * 1971-12-15 1973-05-01 United Aircraft Corp Optical shaft encoder
US3875406A (en) * 1973-04-06 1975-04-01 Gen Electric Optical system for automatic meter reader
US3846789A (en) * 1973-04-06 1974-11-05 Gen Electric Remote-reading register with error detecting capability
US4113353A (en) * 1974-04-20 1978-09-12 Akira Matsushita Information processing optical device
US4037219A (en) * 1975-12-30 1977-07-19 Westinghouse Electric Corporation Meter dial encoder for remote meter reading
US4114045A (en) * 1976-01-30 1978-09-12 Hitachi, Ltd. Optical card reader for setting frequency division ratio of programmable counter for use in synthesizer tuners
JPS52138947A (en) * 1976-05-17 1977-11-19 Copal Co Ltd Light diffuser
US4152589A (en) * 1977-09-28 1979-05-01 Silonics, Inc. Optical rotational encoder
US4137451A (en) * 1977-12-22 1979-01-30 Westinghouse Electric Corp. Detecting circuit for a photocell pattern sensing assembly
DE3066371D1 (en) * 1979-11-27 1984-03-08 Combined Optical Ind Ltd Laminar light guide and an instrument display means comprising such a light guide

Also Published As

Publication number Publication date
KR850000267B1 (ko) 1985-03-14
AU7436581A (en) 1982-03-04
BR8105466A (pt) 1982-05-11
US4342908A (en) 1982-08-03
KR830006715A (ko) 1983-10-06
CA1143846A (en) 1983-03-29
EP0047110A2 (en) 1982-03-10
EP0047110A3 (en) 1982-12-29
MX151550A (es) 1984-12-13
JPS5856920B2 (ja) 1983-12-17
JPS5775399A (en) 1982-05-11
ZA815705B (en) 1982-08-25

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: WESTINGHOUSE ELECTRIC CORPORATION