FR2457040B1 - - Google Patents

Info

Publication number
FR2457040B1
FR2457040B1 FR7912747A FR7912747A FR2457040B1 FR 2457040 B1 FR2457040 B1 FR 2457040B1 FR 7912747 A FR7912747 A FR 7912747A FR 7912747 A FR7912747 A FR 7912747A FR 2457040 B1 FR2457040 B1 FR 2457040B1
Authority
FR
France
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
FR7912747A
Other languages
French (fr)
Other versions
FR2457040A1 (fr
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.)
Gouvernement de la Republique Francaise
Original Assignee
Gouvernement de la Republique Francaise
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 Gouvernement de la Republique Francaise filed Critical Gouvernement de la Republique Francaise
Priority to FR7912747A priority Critical patent/FR2457040A1/fr
Priority to GB8014063A priority patent/GB2055267B/en
Priority to US06/147,137 priority patent/US4357677A/en
Priority to CA000352069A priority patent/CA1151296A/en
Publication of FR2457040A1 publication Critical patent/FR2457040A1/fr
Application granted granted Critical
Publication of FR2457040B1 publication Critical patent/FR2457040B1/fr
Granted 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)
FR7912747A 1979-05-18 1979-05-18 Transformateur de hadamard utilisant des dispositifs a transfert de charges Granted FR2457040A1 (fr)

Priority Applications (4)

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
GB8014063A GB2055267B (en) 1979-05-18 1980-04-29 Hadamard converters employing charge transfer devices
US06/147,137 US4357677A (en) 1979-05-18 1980-05-06 Hadamard converters employing charge transfer devices
CA000352069A CA1151296A (en) 1979-05-18 1980-05-15 Hadamard converters employing charge transfer devices

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
FR2457040A1 FR2457040A1 (fr) 1980-12-12
FR2457040B1 true FR2457040B1 (OSRAM) 1983-03-11

Family

ID=9225651

Family Applications (1)

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

Country Status (4)

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

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 (OSRAM) * 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
GB2055267B (en) 1983-04-13
CA1151296A (en) 1983-08-02
GB2055267A (en) 1981-02-25
US4357677A (en) 1982-11-02
FR2457040A1 (fr) 1980-12-12

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
ST Notification of lapse