GB1388717A - Analogue-to-digital conversion apparatus - Google Patents

Analogue-to-digital conversion apparatus

Info

Publication number
GB1388717A
GB1388717A GB2083572A GB2083572A GB1388717A GB 1388717 A GB1388717 A GB 1388717A GB 2083572 A GB2083572 A GB 2083572A GB 2083572 A GB2083572 A GB 2083572A GB 1388717 A GB1388717 A GB 1388717A
Authority
GB
United Kingdom
Prior art keywords
degree
signals
pulses
heading
analogue
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.)
Expired
Application number
GB2083572A
Other languages
English (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.)
International Standard Electric Corp
Original Assignee
International Standard 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB1388717A publication Critical patent/GB1388717A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/02—Digital function generators
    • G06F1/025—Digital function generators for functions having two-valued amplitude, e.g. Walsh functions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/02—Rotary gyroscopes
    • G01C19/34—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes
    • G01C19/38—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by other than magnetic means, e.g. gyrocompasses using earth's rotation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2101/00—Indexing scheme relating to the type of digital function generated
    • G06F2101/04—Trigonometric functions
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Gyroscopes (AREA)
  • Analogue/Digital Conversion (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
GB2083572A 1971-05-07 1972-05-04 Analogue-to-digital conversion apparatus Expired GB1388717A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO1731/71A NO131221C (enExample) 1971-05-07 1971-05-07

Publications (1)

Publication Number Publication Date
GB1388717A true GB1388717A (en) 1975-03-26

Family

ID=19878396

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2083572A Expired GB1388717A (en) 1971-05-07 1972-05-04 Analogue-to-digital conversion apparatus

Country Status (7)

Country Link
US (1) US3787835A (enExample)
DE (1) DE2221908A1 (enExample)
ES (1) ES402463A1 (enExample)
FR (1) FR2137607B1 (enExample)
GB (1) GB1388717A (enExample)
NL (1) NL7206223A (enExample)
NO (1) NO131221C (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4067007A (en) * 1976-01-05 1978-01-03 Raytheon Company Adaptive compass drive system
US4097922A (en) * 1976-11-08 1978-06-27 The United States Of America As Represented By The Secretary Of The Navy Automatic real time navigation communicator
US4428053A (en) 1981-06-29 1984-01-24 Raytheon Company Adaptive compass and north stabilization drive system
US4929943A (en) * 1988-07-01 1990-05-29 Sperry Marine, Inc. Marine compass rate-of-turn indicator
CN108709547B (zh) * 2018-03-14 2023-06-27 中船航海科技有限责任公司 一种用于陀螺罗经的航向测量发送装置及其测量方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3028589A (en) * 1959-04-06 1962-04-03 Gen Dynamics Corp Motion digitizer
US3440644A (en) * 1965-04-21 1969-04-22 Gen Precision Systems Inc Synchro-to-digital converter
US3533097A (en) * 1965-04-26 1970-10-06 Whittaker Corp Digital automatic synchro converter
US3573801A (en) * 1968-01-18 1971-04-06 Bendix Corp Synchro to digital converter

Also Published As

Publication number Publication date
NL7206223A (enExample) 1972-11-09
DE2221908A1 (de) 1972-11-23
ES402463A1 (es) 1975-04-01
US3787835A (en) 1974-01-22
NO131221B (enExample) 1975-01-13
FR2137607B1 (enExample) 1978-03-03
NO131221C (enExample) 1975-04-30
FR2137607A1 (enExample) 1972-12-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees