[go: up one dir, main page]

GB2240891B - Surface acoustic wave convolver - Google Patents

Surface acoustic wave convolver

Info

Publication number
GB2240891B
GB2240891B GB9103035A GB9103035A GB2240891B GB 2240891 B GB2240891 B GB 2240891B GB 9103035 A GB9103035 A GB 9103035A GB 9103035 A GB9103035 A GB 9103035A GB 2240891 B GB2240891 B GB 2240891B
Authority
GB
United Kingdom
Prior art keywords
acoustic wave
surface acoustic
wave convolver
convolver
wave
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 - Lifetime
Application number
GB9103035A
Other versions
GB9103035D0 (en
GB2240891A (en
Inventor
Takeshi Okamoto
Syuichi Mitsutsuka
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.)
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion Co 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
Priority claimed from JP62088548A external-priority patent/JPS63254809A/en
Priority claimed from JP62088549A external-priority patent/JPS63254810A/en
Application filed by Clarion Co Ltd filed Critical Clarion Co Ltd
Priority to GB9103035A priority Critical patent/GB2240891B/en
Publication of GB9103035D0 publication Critical patent/GB9103035D0/en
Publication of GB2240891A publication Critical patent/GB2240891A/en
Application granted granted Critical
Publication of GB2240891B publication Critical patent/GB2240891B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G06G7/195—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 electro- acoustic elements
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/36—Devices for manipulating acoustic surface waves

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Acoustics & Sound (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
GB9103035A 1987-04-10 1991-02-13 Surface acoustic wave convolver Expired - Lifetime GB2240891B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9103035A GB2240891B (en) 1987-04-10 1991-02-13 Surface acoustic wave convolver

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62088548A JPS63254809A (en) 1987-04-10 1987-04-10 surface acoustic wave convolver
JP62088549A JPS63254810A (en) 1987-04-10 1987-04-10 surface acoustic wave convolver
GB9103035A GB2240891B (en) 1987-04-10 1991-02-13 Surface acoustic wave convolver

Publications (3)

Publication Number Publication Date
GB9103035D0 GB9103035D0 (en) 1991-03-27
GB2240891A GB2240891A (en) 1991-08-14
GB2240891B true GB2240891B (en) 1991-11-20

Family

ID=27265505

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9103035A Expired - Lifetime GB2240891B (en) 1987-04-10 1991-02-13 Surface acoustic wave convolver

Country Status (1)

Country Link
GB (1) GB2240891B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794939A (en) * 1973-04-02 1974-02-26 Hughes Aircraft Co Nonlinear surface wave convolution filter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794939A (en) * 1973-04-02 1974-02-26 Hughes Aircraft Co Nonlinear surface wave convolution filter

Also Published As

Publication number Publication date
GB9103035D0 (en) 1991-03-27
GB2240891A (en) 1991-08-14

Similar Documents

Publication Publication Date Title
GB2166616B (en) Surface acoustic wave device
GB2182514B (en) Surface acoustic wave device
EP0353073A3 (en) Acoustic surface wave devices
GB2168212B (en) Surface acoustic wave transducer
EP0337703A3 (en) Surface acoustic wave filter
EP0166880A3 (en) Surface acoustic wave device
GB2206257B (en) Surface acoustic wave device
GB2196502B (en) Surface acoustic wave convolver
GB8621935D0 (en) Surface acoustic wave device
EP0196770A3 (en) Surface acoustic wave filter
GB2186456B (en) Surface acoustic wave device
GB8316726D0 (en) Surface acoustic wave
EP0313025A3 (en) Surface acoustic wave device
GB8420698D0 (en) Surface acoustic wave devices
GB2234407B (en) Surface acoustic wave convolver
GB8811346D0 (en) Surface acoustic wave device
GB2241822B (en) Surface acoustic wave device
GB2179221B (en) Surface acoustic wave device
GB2245444B (en) Surface acoustic wave convolver
GB2192107B (en) Surface acoustic wave filters
GB2167257B (en) Surface acoustic wave device
GB8413867D0 (en) Surface acoustic wave device
GB2240891B (en) Surface acoustic wave convolver
EP0278765A3 (en) Surface acoustic wave filter
GB2160048B (en) Surface acoustic wave filters

Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19930318

PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960408