GB2055267B - Hadamard converters employing charge transfer devices - Google Patents

Hadamard converters employing charge transfer devices

Info

Publication number
GB2055267B
GB2055267B GB8014063A GB8014063A GB2055267B GB 2055267 B GB2055267 B GB 2055267B GB 8014063 A GB8014063 A GB 8014063A GB 8014063 A GB8014063 A GB 8014063A GB 2055267 B GB2055267 B GB 2055267B
Authority
GB
United Kingdom
Prior art keywords
charge transfer
transfer devices
employing charge
converters employing
hadamard
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
GB8014063A
Other languages
English (en)
Other versions
GB2055267A (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.)
Rebourg J C
Original Assignee
Rebourg J C
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 Rebourg J C filed Critical Rebourg J C
Publication of GB2055267A publication Critical patent/GB2055267A/en
Application granted granted Critical
Publication of GB2055267B publication Critical patent/GB2055267B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G06G7/19—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
    • 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
    • G06G7/32—Arrangements for performing computing operations, e.g. operational amplifiers for solving of equations or inequations; for matrices

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Solid State Image Pick-Up Elements (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
GB8014063A 1979-05-18 1980-04-29 Hadamard converters employing charge transfer devices Expired GB2055267B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7912747A FR2457040A1 (fr) 1979-05-18 1979-05-18 Transformateur de hadamard utilisant des dispositifs a transfert de charges

Publications (2)

Publication Number Publication Date
GB2055267A GB2055267A (en) 1981-02-25
GB2055267B true GB2055267B (en) 1983-04-13

Family

ID=9225651

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8014063A Expired GB2055267B (en) 1979-05-18 1980-04-29 Hadamard converters employing charge transfer devices

Country Status (4)

Country Link
US (1) US4357677A (enExample)
CA (1) CA1151296A (enExample)
FR (1) FR2457040A1 (enExample)
GB (1) GB2055267B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2510844A2 (fr) * 1981-08-03 1983-02-04 France Etat Transformateur de hadamard utilisant des dispositifs a transfert de charges
US4621337A (en) * 1983-08-11 1986-11-04 Eastman Kodak Company Transformation circuit for implementing a collapsed Walsh-Hadamard transform
US6615163B1 (en) * 1999-12-13 2003-09-02 Dell Usa, L.P. System and method for developing testing configurations

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4107550A (en) * 1977-01-19 1978-08-15 International Business Machines Corporation Bucket brigade circuits
NL7306902A (enExample) * 1972-05-26 1973-11-28
US4100513A (en) * 1975-09-18 1978-07-11 Reticon Corporation Semiconductor filtering apparatus
US4011441A (en) * 1975-12-22 1977-03-08 General Electric Company Solid state imaging apparatus
US4099250A (en) * 1976-12-20 1978-07-04 Hughes Aircraft Company Haddamard electronic readout means
JPS5944664B2 (ja) * 1977-02-24 1984-10-31 富士通株式会社 半導体信号変換装置
US4092725A (en) * 1977-03-28 1978-05-30 Hughes Aircraft Company Electronic transform system
US4149128A (en) * 1977-06-30 1979-04-10 International Business Machines Corporation Charge transfer device transversal filter having electronically controllable weighting factors
FR2406911A1 (fr) * 1977-10-24 1979-05-18 Rebourg Jean Claude Transformateurs de hadamard a ondes elastiques de surface
US4161785A (en) * 1977-11-17 1979-07-17 General Electric Company Matrix multiplier

Also Published As

Publication number Publication date
CA1151296A (en) 1983-08-02
GB2055267A (en) 1981-02-25
US4357677A (en) 1982-11-02
FR2457040B1 (enExample) 1983-03-11
FR2457040A1 (fr) 1980-12-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee