JPS5363950A - Mechanical filter - Google Patents

Mechanical filter

Info

Publication number
JPS5363950A
JPS5363950A JP14002776A JP14002776A JPS5363950A JP S5363950 A JPS5363950 A JP S5363950A JP 14002776 A JP14002776 A JP 14002776A JP 14002776 A JP14002776 A JP 14002776A JP S5363950 A JPS5363950 A JP S5363950A
Authority
JP
Japan
Prior art keywords
mechanical filter
resonators
couplers
coupler
combines
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
JP14002776A
Other languages
Japanese (ja)
Inventor
Yoshio Nakauchi
Takeshi Yano
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP14002776A priority Critical patent/JPS5363950A/en
Publication of JPS5363950A publication Critical patent/JPS5363950A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/48—Coupling means therefor
    • H03H9/50—Mechanical coupling means

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Abstract

PURPOSE:To achieve more than three units of attenuation pole on an optional frequency of the pass band, by giving a bridge coupling to two couplers without no mutual crossing nor overlapping into the coupler which combines the resonators at the both ends.
JP14002776A 1976-11-19 1976-11-19 Mechanical filter Pending JPS5363950A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14002776A JPS5363950A (en) 1976-11-19 1976-11-19 Mechanical filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14002776A JPS5363950A (en) 1976-11-19 1976-11-19 Mechanical filter

Publications (1)

Publication Number Publication Date
JPS5363950A true JPS5363950A (en) 1978-06-07

Family

ID=15259238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14002776A Pending JPS5363950A (en) 1976-11-19 1976-11-19 Mechanical filter

Country Status (1)

Country Link
JP (1) JPS5363950A (en)

Similar Documents

Publication Publication Date Title
JPS5390741A (en) Band pass filter
BE851552A (en) COUPLER COUPLING IMPROVEMENTS
JPS5372549A (en) Microwave polarized type band pass filter
JPS5314549A (en) Spiral traveling wave tube
JPS5227244A (en) Microwave polarized bandpass filter
JPS5420638A (en) Polarized filter
JPS5363950A (en) Mechanical filter
JPS5252514A (en) 2-frequency mixer circuit
JPS5643801A (en) Band-pass filter
JPS5418260A (en) Microwave band pass filter
JPS54104359A (en) Photo coupling circuit
GB1041375A (en) Mechanical frequency filter
JPS53147448A (en) Directional coupler
JPS5393754A (en) Band-pass filter using dielectric resonator
JPS56165439A (en) Optical two-way repeater
JPS54109355A (en) Mechanical filter
JPS52100955A (en) Microwave band-pass filter
JPS51127653A (en) Directional coupler
JPS562702A (en) Mode coupling unit
JPS5258306A (en) Transformer for dual transmission
FR2304217A1 (en) Mechanical resonant filter system - uses mechanical coupling element which is in single piece for entire filter
GB820324A (en) Improvements in and relating to waveguides
JPS55115712A (en) Elastic surface wave filter
JPS5324252A (en) Frequency band amplifier circuit
JPS5538743A (en) Polarized mechanical filter