GB2071964B - Hadamard transformer using charge transfer devices - Google Patents

Hadamard transformer using charge transfer devices

Info

Publication number
GB2071964B
GB2071964B GB8105512A GB8105512A GB2071964B GB 2071964 B GB2071964 B GB 2071964B GB 8105512 A GB8105512 A GB 8105512A GB 8105512 A GB8105512 A GB 8105512A GB 2071964 B GB2071964 B GB 2071964B
Authority
GB
United Kingdom
Prior art keywords
charge transfer
transfer devices
hadamard transformer
hadamard
transformer
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
GB8105512A
Other languages
English (en)
Other versions
GB2071964A (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.)
DESPOIS C
Rebourg J C
Original Assignee
DESPOIS C
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 DESPOIS C, Rebourg J C filed Critical DESPOIS C
Publication of GB2071964A publication Critical patent/GB2071964A/en
Application granted granted Critical
Publication of GB2071964B publication Critical patent/GB2071964B/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
    • G06G7/1907—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 using charge transfer devices

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Solid State Image Pick-Up Elements (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
GB8105512A 1980-03-11 1981-02-20 Hadamard transformer using charge transfer devices Expired GB2071964B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8005406A FR2478408A1 (fr) 1980-03-11 1980-03-11 Transformateur de hadamard utilisant des dispositifs a transfert de charges

Publications (2)

Publication Number Publication Date
GB2071964A GB2071964A (en) 1981-09-23
GB2071964B true GB2071964B (en) 1984-06-13

Family

ID=9239532

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8105512A Expired GB2071964B (en) 1980-03-11 1981-02-20 Hadamard transformer using charge transfer devices

Country Status (4)

Country Link
US (1) US4389673A (enExample)
CA (1) CA1182920A (enExample)
FR (1) FR2478408A1 (enExample)
GB (1) GB2071964B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57146345A (en) * 1981-03-04 1982-09-09 Toshiba Corp 3n-th degree orthogonal transformation and inverse transformation system
FR2510844A2 (fr) * 1981-08-03 1983-02-04 France Etat Transformateur de hadamard utilisant des dispositifs a transfert de charges
US4615619A (en) * 1984-03-19 1986-10-07 D.O.M. Associates, Inc. Stationary, electrically alterable, optical masking device and spectroscopic apparatus employing same
US4750834A (en) * 1986-01-07 1988-06-14 D.O.M. Associates, Inc. Interferometer including stationary, electrically alterable optical masking device
US4856897A (en) * 1987-08-14 1989-08-15 D.O.M. Associates, Inc. Raman spectrometer having Hadamard electrooptical mask and diode detector
CN1104004A (zh) * 1993-05-24 1995-06-21 莫托罗拉公司 处理和在有源寻址显示器上显示图象数据的方法和设备
JPH08510844A (ja) * 1993-05-24 1996-11-12 モトローラ・インコーポレイテッド 圧縮データを格納してからアクティブにアドレス指定されたディスプレイに表示する方法および装置
US5828066A (en) * 1996-07-02 1998-10-27 Messerschmidt; Robert G. Multisource infrared spectrometer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792355A (en) * 1970-12-11 1974-02-12 Hitachi Ltd Orthogonal transformation circuit using hadamard matrices
US4055756A (en) * 1975-02-03 1977-10-25 Societe Anonyme De Telecommunications Image coder-decoder using a matrix transform with weighted contribution of several points of the image to the formation of one point of the transform
US3976826A (en) * 1975-05-07 1976-08-24 Western Electric Company, Inc. Method and apparatus for generating line-by-line picture signal from transformed subpicture information
US4011441A (en) * 1975-12-22 1977-03-08 General Electric Company Solid state imaging apparatus
DE2625973C3 (de) * 1976-06-10 1981-12-24 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und Anordnung zur redundanzvermindernden Transformation von Bildern
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
US4192004A (en) * 1977-09-08 1980-03-04 Buerger Walter R Topological transformation system
FR2406911A1 (fr) * 1977-10-24 1979-05-18 Rebourg Jean Claude Transformateurs de hadamard a ondes elastiques de surface
US4293920A (en) * 1979-09-04 1981-10-06 Merola Pasquale A Two-dimensional transform processor

Also Published As

Publication number Publication date
US4389673A (en) 1983-06-21
GB2071964A (en) 1981-09-23
FR2478408A1 (fr) 1981-09-18
FR2478408B1 (enExample) 1982-04-30
CA1182920A (en) 1985-02-19

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Legal Events

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

Effective date: 19940220