GB1330329A - Repeater devices - Google Patents

Repeater devices

Info

Publication number
GB1330329A
GB1330329A GB6171270A GB6171270A GB1330329A GB 1330329 A GB1330329 A GB 1330329A GB 6171270 A GB6171270 A GB 6171270A GB 6171270 A GB6171270 A GB 6171270A GB 1330329 A GB1330329 A GB 1330329A
Authority
GB
United Kingdom
Prior art keywords
quadrature signals
cos
sin
amplitude
fed
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
GB6171270A
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.)
Unisys Corp
Original Assignee
Sperry Rand 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 Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of GB1330329A publication Critical patent/GB1330329A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/04—Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/04—Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle
    • G01R33/045—Measuring direction or magnitude of magnetic fields or magnetic flux using the flux-gate principle in single-, or multi-aperture elements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/22—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating trigonometric functions; for conversion of co-ordinates; for computations involving vector quantities

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Algebra (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplifiers (AREA)
GB6171270A 1970-01-02 1970-12-30 Repeater devices Expired GB1330329A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5570A 1970-01-02 1970-01-02

Publications (1)

Publication Number Publication Date
GB1330329A true GB1330329A (en) 1973-09-19

Family

ID=21689703

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6171270A Expired GB1330329A (en) 1970-01-02 1970-12-30 Repeater devices

Country Status (6)

Country Link
US (1) US3705980A (enExample)
JP (1) JPS5023990B1 (enExample)
CA (1) CA950589A (enExample)
DE (1) DE2064391C3 (enExample)
FR (1) FR2105750A5 (enExample)
GB (1) GB1330329A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111307142A (zh) * 2020-02-13 2020-06-19 湖南工学院 一种指南针及机器人路径记录方法

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1446081A (en) * 1973-09-22 1976-08-11 Ferranti Ltd Electronic multipliers
US4030204A (en) * 1974-03-18 1977-06-21 Edwards Robert A Remote indicating solid state magnetic sensor
CA1059311A (en) * 1974-12-02 1979-07-31 James R. Erspamer Flux valve heading repeater compensation systems
US3939572A (en) * 1974-12-02 1976-02-24 Sperry Rand Corporation Latitude compensator for flux valve heading repeater system
US3942257A (en) * 1974-12-02 1976-03-09 Sperry Rand Corporation Index error correction for flux valve heading repeater system
US3938257A (en) * 1974-12-02 1976-02-17 Sperry Rand Corporation Two-cycle compensator for flux valve heading repeater system
US3974367A (en) * 1975-11-04 1976-08-10 Arthur Mayer Solid-state resolver apparatus
US4017726A (en) * 1975-11-05 1977-04-12 Sperry Rand Corporation Four quadrant rate taker and synchronizer
US4084121A (en) * 1977-01-03 1978-04-11 General Electric Company Solid state repeater for three wire synchro with selectable phase and frequency adjustment
DE2816614C2 (de) * 1978-04-17 1980-02-21 Siemens Ag, 1000 Berlin Und 8000 Muenchen Koordinatenwandler zur Umwandlung von polaren Vektorgrößen in kartesische Vektorgrößen
US4418480A (en) * 1982-04-09 1983-12-06 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Magnetic heading reference
DE3843108C1 (enExample) * 1988-12-21 1990-02-15 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
DE59009482D1 (de) * 1990-12-03 1995-09-07 Siemens Ag Verfahren zum Detektieren einer Amplituden- und Offset-Abweichung zweier etwa 90 elektrisch versetzter siusförmiger Signale sowie Schaltung zur Durchführung dieses Verfahrens und Verwendung dieses Verfahrens für einen Regler.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB638971A (en) * 1940-11-20 1950-06-21 Sperry Gyroscope Co Inc Improvements in or relating to flux valve magnetic compasses
US3678593A (en) * 1968-12-26 1972-07-25 Sperry Rand Corp Compass system and components therefor having automatic field cancellation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111307142A (zh) * 2020-02-13 2020-06-19 湖南工学院 一种指南针及机器人路径记录方法
CN111307142B (zh) * 2020-02-13 2022-01-28 湖南工学院 一种指南针及机器人路径记录方法

Also Published As

Publication number Publication date
JPS5023990B1 (enExample) 1975-08-12
US3705980A (en) 1972-12-12
DE2064391A1 (de) 1971-07-15
FR2105750A5 (enExample) 1972-04-28
CA950589A (en) 1974-07-02
DE2064391B2 (de) 1980-04-10
DE2064391C3 (de) 1981-04-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee