KR940000548Y1 - 나선형 필터 - Google Patents

나선형 필터 Download PDF

Info

Publication number
KR940000548Y1
KR940000548Y1 KR2019870017914U KR870017914U KR940000548Y1 KR 940000548 Y1 KR940000548 Y1 KR 940000548Y1 KR 2019870017914 U KR2019870017914 U KR 2019870017914U KR 870017914 U KR870017914 U KR 870017914U KR 940000548 Y1 KR940000548 Y1 KR 940000548Y1
Authority
KR
South Korea
Prior art keywords
bobbin
dielectric
case
spiral
filter
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
KR2019870017914U
Other languages
English (en)
Korean (ko)
Other versions
KR880008715U (ko
Inventor
사다아끼 시미즈
Original Assignee
도오꾜오 가부시끼가이샤
도이다 마꼬또
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 도오꾜오 가부시끼가이샤, 도이다 마꼬또 filed Critical 도오꾜오 가부시끼가이샤
Publication of KR880008715U publication Critical patent/KR880008715U/ko
Application granted granted Critical
Publication of KR940000548Y1 publication Critical patent/KR940000548Y1/ko
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/20Frequency-selective devices, e.g. filters
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00Resonators of the waveguide type

Landscapes

  • Control Of Motors That Do Not Use Commutators (AREA)
KR2019870017914U 1986-10-22 1987-10-21 나선형 필터 Expired - Lifetime KR940000548Y1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1986161852U JPH0227602Y2 (enrdf_load_stackoverflow) 1986-10-22 1986-10-22
JP??161852 1986-10-22

Publications (2)

Publication Number Publication Date
KR880008715U KR880008715U (ko) 1988-06-30
KR940000548Y1 true KR940000548Y1 (ko) 1994-01-29

Family

ID=15743171

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870017914U Expired - Lifetime KR940000548Y1 (ko) 1986-10-22 1987-10-21 나선형 필터

Country Status (2)

Country Link
JP (1) JPH0227602Y2 (enrdf_load_stackoverflow)
KR (1) KR940000548Y1 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6368202U (enrdf_load_stackoverflow) 1988-05-09
KR880008715U (ko) 1988-06-30
JPH0227602Y2 (enrdf_load_stackoverflow) 1990-07-25

Similar Documents

Publication Publication Date Title
US5777534A (en) Inductor ring for providing tuning and coupling in a microwave dielectric resonator filter
FI88979B (fi) Hoegfrekvensbandpassfilter
US5675301A (en) Dielectric filter having resonators aligned to effect zeros of the frequency response
US5157363A (en) Helical resonator filter with adjustable couplings
JPH06216604A (ja) 螺旋状共振器フィルタ
US6191755B1 (en) Two-resonance helical antenna capable of suppressing fluctuation in electrical characteristic without restriction in size of a helical coil
US6396366B1 (en) Coaxial cavity resonator
JPH01130603A (ja) 誘電体共振器
US3247475A (en) Helical resonator with variable capacitor having fixed plate which also functions as inductance
KR940000548Y1 (ko) 나선형 필터
US5418509A (en) High frequency comb-like filter
US3581249A (en) Miniature helical resonators
US3368177A (en) Wound inductor coil form
US4374370A (en) Helical resonator filter
US2916723A (en) Low voltage outlet bushing
US4365221A (en) Helical resonator filter with dielectric apertures
US4205286A (en) Temperature stabilized helical resonator
JP2720210B2 (ja) ヘリカルフィルタ
EP1110271A2 (en) Coaxial cavity resonator
US20060255888A1 (en) Radio-frequency filter
US3555467A (en) Helical coil resonator having movable dielectric tuning element for varying capacitance
US3593245A (en) Double-tuned intermediate-frequency transformer
US4305113A (en) Adjustable low loss capacitor with slotted rotor
SU866619A1 (ru) Спиральный резонатор
EP0369757A2 (en) Helical filter

Legal Events

Date Code Title Description
UA0108 Application for utility model registration

Comment text: Application for Utility Model Registration

Patent event code: UA01011R08D

Patent event date: 19871021

UG1501 Laying open of application
A201 Request for examination
UA0201 Request for examination

Patent event date: 19900524

Patent event code: UA02012R01D

Comment text: Request for Examination of Application

Patent event date: 19871021

Patent event code: UA02011R01I

Comment text: Application for Utility Model Registration

E902 Notification of reason for refusal
UE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event code: UE09021S01D

Patent event date: 19930503

AMND Amendment
E601 Decision to refuse application
UE0601 Decision on rejection of utility model registration

Comment text: Decision to Refuse Application

Patent event code: UE06011S01D

Patent event date: 19930820

J2X1 Appeal (before the patent court)

Free format text: APPEAL AGAINST DECISION TO DECLINE REFUSAL

UJ2001 Appeal

Decision date: 19940414

Appeal identifier: 1993201001843

Request date: 19930920

Appeal kind category: Appeal against decision to decline refusal

UB0901 Examination by re-examination before a trial

Patent event code: UB09011R01I

Patent event date: 19930920

Comment text: Request for Trial against Decision on Refusal

Patent event code: UB09011R02I

Patent event date: 19930803

Comment text: Amendment to Description, etc.

UG1604 Publication of application

Patent event code: UG16041S01I

Comment text: Decision on Publication of Application

Patent event date: 19940105

B701 Decision to grant
UB0701 Decision of registration after re-examination before a trial

Patent event date: 19940414

Patent event code: UB07012S01D

Comment text: Decision to Grant Registration

Patent event date: 19931223

Patent event code: UB07011S01I

Comment text: Transfer of Trial File for Re-examination before a Trial

REGI Registration of establishment
UR0701 Registration of establishment

Patent event date: 19940425

Patent event code: UR07011E01D

Comment text: Registration of Establishment

UR1002 Payment of registration fee

Start annual number: 1

End annual number: 3

Payment date: 19940425

UR1001 Payment of annual fee

Payment date: 19961230

Start annual number: 4

End annual number: 4

UR1001 Payment of annual fee

Payment date: 19980121

Start annual number: 5

End annual number: 5

UR1001 Payment of annual fee

Payment date: 19990108

Start annual number: 6

End annual number: 6

UR1001 Payment of annual fee

Payment date: 19991026

Start annual number: 7

End annual number: 7

UR1001 Payment of annual fee

Payment date: 20001215

Start annual number: 8

End annual number: 9

FPAY Annual fee payment

Payment date: 20021223

Year of fee payment: 10

UR1001 Payment of annual fee

Payment date: 20021223

Start annual number: 10

End annual number: 10

EXPY Expiration of term
UC1801 Expiration of term