GB913977A - Trigonometric store for converting digital entered angles into analog voltages - Google Patents

Trigonometric store for converting digital entered angles into analog voltages

Info

Publication number
GB913977A
GB913977A GB23197/61A GB2319761A GB913977A GB 913977 A GB913977 A GB 913977A GB 23197/61 A GB23197/61 A GB 23197/61A GB 2319761 A GB2319761 A GB 2319761A GB 913977 A GB913977 A GB 913977A
Authority
GB
United Kingdom
Prior art keywords
voltage
degrees
switch
winding
sin
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
GB23197/61A
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.)
Milacron Inc
Original Assignee
Cincinnati Milling Machine Co
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 Cincinnati Milling Machine Co filed Critical Cincinnati Milling Machine Co
Publication of GB913977A publication Critical patent/GB913977A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • G05D3/1472—Control of position or direction using feedback using an analogue comparing device with potentiometer
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/408—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by data handling or data format, e.g. reading, buffering or conversion of data
    • 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
    • H03M1/48—Servo-type converters
    • H03M1/485—Servo-type converters for position encoding, e.g. using resolvers or synchros

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Electrical Variables (AREA)
  • Ac-Ac Conversion (AREA)
GB23197/61A 1960-08-30 1961-06-27 Trigonometric store for converting digital entered angles into analog voltages Expired GB913977A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52992A US3177423A (en) 1960-08-30 1960-08-30 Trigonometric store

Publications (1)

Publication Number Publication Date
GB913977A true GB913977A (en) 1962-12-28

Family

ID=21981211

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23197/61A Expired GB913977A (en) 1960-08-30 1961-06-27 Trigonometric store for converting digital entered angles into analog voltages

Country Status (3)

Country Link
US (1) US3177423A (enExample)
GB (1) GB913977A (enExample)
NL (1) NL267022A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3493735A (en) * 1964-03-20 1970-02-03 North Atlantic Industries Computer circuits for processing trigonometric data
GB1359212A (en) * 1971-04-20 1974-07-10 Elliott Brothers London Ltd Waveform generator and phase shifter
US3898568A (en) * 1972-09-14 1975-08-05 Astrosyst Inc Signal synthesizer employing an autotransformer having a tapped coil
US3849774A (en) * 1972-09-14 1974-11-19 Astrosyst Inc Analog-to-digital converter employing an electromagnetic resolver
US11736047B2 (en) * 2019-09-25 2023-08-22 Allegro Microsystems, Llc BLDC motor controller/driver

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1667752A (en) * 1924-08-27 1928-05-01 Percy H Thomas Regulating means for systems of electrical distribution
CH203229A (de) * 1936-12-18 1939-02-28 Neue Telefon Gmbh Einrichtung zum Regeln einer Wechselspannung mit Grob- und Feinspannungsstufen.
US2200979A (en) * 1939-06-22 1940-05-14 Gen Electric Transformer tap-changing system
US2849668A (en) * 1955-10-14 1958-08-26 Inductosyn Corp Automatic machine control
NL227221A (enExample) * 1957-04-30

Also Published As

Publication number Publication date
US3177423A (en) 1965-04-06
NL267022A (enExample) 1900-01-01

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