JPS556903A - Charge coupled pre-filter - Google Patents

Charge coupled pre-filter

Info

Publication number
JPS556903A
JPS556903A JP7854278A JP7854278A JPS556903A JP S556903 A JPS556903 A JP S556903A JP 7854278 A JP7854278 A JP 7854278A JP 7854278 A JP7854278 A JP 7854278A JP S556903 A JPS556903 A JP S556903A
Authority
JP
Japan
Prior art keywords
transmission line
filter
charge coupled
charge
width
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.)
Pending
Application number
JP7854278A
Other languages
Japanese (ja)
Inventor
Masaharu Imai
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.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry 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
Application filed by Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP7854278A priority Critical patent/JPS556903A/en
Publication of JPS556903A publication Critical patent/JPS556903A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H15/00—Transversal filters
    • H03H15/02—Transversal filters using analogue shift registers

Landscapes

  • Solid State Image Pick-Up Elements (AREA)
  • Filters That Use Time-Delay Elements (AREA)

Abstract

PURPOSE:To obtain a charge coupled pre-filter which is capable of reducing the higher harmonic distortion. CONSTITUTION:The length L of storage cells 14A-17A of each transmission line is varied (increased) and also the width L of each transmission line is changed (decreased) to be set to L11, L22, L33, L44 and W11, W22, W33, W44 respectively. And the selection is given between original L and WK(K=1, 2, 3, 4) so that the following relations may be obtained: L11.W11=L.W1, L22.W22=L.W2, L33.W33=L.W3 and L44.W44=L.W4 respectively. In this case, if the widths W11-W44 are set under the relation of W11=W22=W33=W44 and this value is set to, for example, 1/8W, the higher harmonic distortion can be reduced down to 1/2 the conventional value. Thus, the width of each charge transmission line is decresed with the length increased for the storage cell under the fixed electrode on each charge transmission line in order to obtain the desired area for the storage cell.
JP7854278A 1978-06-30 1978-06-30 Charge coupled pre-filter Pending JPS556903A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7854278A JPS556903A (en) 1978-06-30 1978-06-30 Charge coupled pre-filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7854278A JPS556903A (en) 1978-06-30 1978-06-30 Charge coupled pre-filter

Publications (1)

Publication Number Publication Date
JPS556903A true JPS556903A (en) 1980-01-18

Family

ID=13664792

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7854278A Pending JPS556903A (en) 1978-06-30 1978-06-30 Charge coupled pre-filter

Country Status (1)

Country Link
JP (1) JPS556903A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61117572A (en) * 1984-11-13 1986-06-04 Canon Inc Electrophotographic device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61117572A (en) * 1984-11-13 1986-06-04 Canon Inc Electrophotographic device
JPH0574823B2 (en) * 1984-11-13 1993-10-19 Canon Kk

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