GB8610055D0 - Direction indicators - Google Patents

Direction indicators

Info

Publication number
GB8610055D0
GB8610055D0 GB868610055A GB8610055A GB8610055D0 GB 8610055 D0 GB8610055 D0 GB 8610055D0 GB 868610055 A GB868610055 A GB 868610055A GB 8610055 A GB8610055 A GB 8610055A GB 8610055 D0 GB8610055 D0 GB 8610055D0
Authority
GB
United Kingdom
Prior art keywords
direction indicators
indicators
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.)
Withdrawn
Application number
GB868610055A
Other versions
GB2189663A (en
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.)
SEAFARER NAVIGATION INTERNATIO
Original Assignee
SEAFARER NAVIGATION INTERNATIO
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 SEAFARER NAVIGATION INTERNATIO filed Critical SEAFARER NAVIGATION INTERNATIO
Priority to GB08610055A priority Critical patent/GB2189663A/en
Publication of GB8610055D0 publication Critical patent/GB8610055D0/en
Publication of GB2189663A publication Critical patent/GB2189663A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01D5/12—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 using electric or magnetic means
    • G01D5/244—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/249—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 using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using pulse code
    • G01D5/2492—Pulse stream
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00—Indicating or recording presence, absence, or direction, of movement
    • G01P13/02—Indicating direction only, e.g. by weather vane
    • 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
    • H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
    • H03M1/308—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental with additional pattern means for determining the absolute position, e.g. reference marks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
GB08610055A 1986-04-24 1986-04-24 Direction indicators Withdrawn GB2189663A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08610055A GB2189663A (en) 1986-04-24 1986-04-24 Direction indicators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08610055A GB2189663A (en) 1986-04-24 1986-04-24 Direction indicators

Publications (2)

Publication Number Publication Date
GB8610055D0 true GB8610055D0 (en) 1986-05-29
GB2189663A GB2189663A (en) 1987-10-28

Family

ID=10596770

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08610055A Withdrawn GB2189663A (en) 1986-04-24 1986-04-24 Direction indicators

Country Status (1)

Country Link
GB (1) GB2189663A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102507977A (en) * 2011-11-23 2012-06-20 中环天仪（天津）气象仪器有限公司 Wind direction sensor using asymmetrical Gray code disc

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8828167D0 (en) * 1988-12-02 1989-01-05 Tranter T J Rotary transducer
DK9600195U3 (en) * 1996-06-10 1996-07-12 Niels Joergen Therkildsen Anemometer / wind vane
JP4240774B2 (en) 2000-07-17 2009-03-18 株式会社東海理化電機製作所 Rotation angle detection device and rotation angle detection method
JP2002039798A (en) 2000-07-19 2002-02-06 Tokai Rika Co Ltd Rotational angle detecting device and method
FR2819309B1 (en) * 2001-01-11 2003-05-02 Degreane Ets OPTICAL ENCODER AND WEATHER WITH SUCH AN ENCODER
DE202004005296U1 (en) * 2004-03-31 2004-09-23 Stengler, Klaus Wind speed measuring device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL248545A (en) * 1959-02-19
GB947487A (en) * 1960-03-26 1964-01-22 United Aircraft Corp Analog to digital converter
GB1108914A (en) * 1964-06-09 1968-04-10 Moore Reed And Company Ltd Improvements in or relating to contact encoders
GB1194638A (en) * 1968-07-05 1970-06-10 Starkstrom Anlagenbau Veb K Distance Measuring System with Digital Scale Code
US4465928A (en) * 1981-08-17 1984-08-14 Itek Corporation Optically multiplexed encoder system
GB2123232A (en) * 1982-06-21 1984-01-25 Ian William Fletcher Compass
GB8423086D0 (en) * 1984-09-12 1984-10-17 March A A C Position sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102507977A (en) * 2011-11-23 2012-06-20 中环天仪（天津）气象仪器有限公司 Wind direction sensor using asymmetrical Gray code disc
CN102507977B (en) * 2011-11-23 2013-06-12 中环天仪（天津）气象仪器有限公司 Wind direction sensor using asymmetrical Gray code disc

Also Published As

Publication number Publication date
GB2189663A (en) 1987-10-28

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)