GB2171271B - Method and apparatus for the generation of waveforms - Google Patents

Method and apparatus for the generation of waveforms

Info

Publication number
GB2171271B
GB2171271B GB08603521A GB8603521A GB2171271B GB 2171271 B GB2171271 B GB 2171271B GB 08603521 A GB08603521 A GB 08603521A GB 8603521 A GB8603521 A GB 8603521A GB 2171271 B GB2171271 B GB 2171271B
Authority
GB
United Kingdom
Prior art keywords
waveforms
generation
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
GB08603521A
Other versions
GB8603521D0 (en
GB2171271A (en
Inventor
Peter Atkinson
David Clinton Wong
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.)
Aeroquip Vickers Ltd
Original Assignee
Vickers Systems Ltd
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 Vickers Systems Ltd filed Critical Vickers Systems Ltd
Publication of GB8603521D0 publication Critical patent/GB8603521D0/en
Publication of GB2171271A publication Critical patent/GB2171271A/en
Application granted granted Critical
Publication of GB2171271B publication Critical patent/GB2171271B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2101/00—Indexing scheme relating to the type of digital function generated
    • G06F2101/04—Trigonometric functions

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Inverter Devices (AREA)
GB08603521A 1985-02-19 1986-02-13 Method and apparatus for the generation of waveforms Expired GB2171271B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858504161A GB8504161D0 (en) 1985-02-19 1985-02-19 Speed control of induction motors

Publications (3)

Publication Number Publication Date
GB8603521D0 GB8603521D0 (en) 1986-03-19
GB2171271A GB2171271A (en) 1986-08-20
GB2171271B true GB2171271B (en) 1988-09-01

Family

ID=10574674

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858504161A Pending GB8504161D0 (en) 1985-02-19 1985-02-19 Speed control of induction motors
GB08603521A Expired GB2171271B (en) 1985-02-19 1986-02-13 Method and apparatus for the generation of waveforms

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858504161A Pending GB8504161D0 (en) 1985-02-19 1985-02-19 Speed control of induction motors

Country Status (1)

Country Link
GB (2) GB8504161D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2687384B2 (en) * 1988-01-14 1997-12-08 ソニー株式会社 Timing pulse generation circuit
US5481230A (en) * 1994-11-14 1996-01-02 Tektronix, Inc. Phase modulator having individually placed edges

Also Published As

Publication number Publication date
GB8603521D0 (en) 1986-03-19
GB2171271A (en) 1986-08-20
GB8504161D0 (en) 1985-03-20

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee