FI812661L - Ljusdistributionssystem foer optiska omkodare - Google Patents
Ljusdistributionssystem foer optiska omkodareInfo
- 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
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)
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)
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 |
US6607286B2 (en) * | 2001-05-04 | 2003-08-19 | Lumileds Lighting, U.S., Llc | Lens and lens cap with sawtooth portion for light emitting diode |
US6598998B2 (en) * | 2001-05-04 | 2003-07-29 | Lumileds Lighting, U.S., Llc | Side emitting light emitting device |
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 |
US7460985B2 (en) * | 2003-07-28 | 2008-12-02 | Light Prescriptions Innovators, Llc | Three-dimensional simultaneous multiple-surface method and free-form illumination-optics designed therefrom |
EP2520953A1 (en) * | 2003-07-29 | 2012-11-07 | Light Engine Limited | 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 |
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 |
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 |
WO2007016363A2 (en) * | 2005-07-28 | 2007-02-08 | Light Prescriptions Innovators, Llc | Free-form lenticular optical elements and their application to condensers and headlamps |
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 |
WO2009105198A2 (en) * | 2008-02-21 | 2009-08-27 | 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)
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 |
-
1980
- 1980-08-28 US US06/182,300 patent/US4342908A/en not_active Expired - Lifetime
-
1981
- 1981-08-13 CA CA000383835A patent/CA1143846A/en not_active Expired
- 1981-08-18 ZA ZA815705A patent/ZA815705B/xx unknown
- 1981-08-20 AU AU74365/81A patent/AU7436581A/en not_active Abandoned
- 1981-08-21 EP EP81303818A patent/EP0047110A3/en not_active Withdrawn
- 1981-08-25 MX MX188871A patent/MX151550A/es unknown
- 1981-08-27 BR BR8105466A patent/BR8105466A/pt unknown
- 1981-08-27 FI FI812661A patent/FI812661L/fi not_active Application Discontinuation
- 1981-08-28 KR KR1019810003178A patent/KR850000267B1/ko active IP Right Grant
- 1981-08-28 JP JP56134381A patent/JPS5856920B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1143846A (en) | 1983-03-29 |
JPS5775399A (en) | 1982-05-11 |
KR850000267B1 (ko) | 1985-03-14 |
BR8105466A (pt) | 1982-05-11 |
EP0047110A3 (en) | 1982-12-29 |
JPS5856920B2 (ja) | 1983-12-17 |
MX151550A (es) | 1984-12-13 |
AU7436581A (en) | 1982-03-04 |
ZA815705B (en) | 1982-08-25 |
EP0047110A2 (en) | 1982-03-10 |
US4342908A (en) | 1982-08-03 |
KR830006715A (ko) | 1983-10-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |
Owner name: WESTINGHOUSE ELECTRIC CORPORATION |