JPS53147449A - Branching unit of elastic surface wave - Google Patents

Branching unit of elastic surface wave

Info

Publication number
JPS53147449A
JPS53147449A JP6179777A JP6179777A JPS53147449A JP S53147449 A JPS53147449 A JP S53147449A JP 6179777 A JP6179777 A JP 6179777A JP 6179777 A JP6179777 A JP 6179777A JP S53147449 A JPS53147449 A JP S53147449A
Authority
JP
Japan
Prior art keywords
surface wave
elastic surface
branching unit
unit
branching
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.)
Granted
Application number
JP6179777A
Other languages
Japanese (ja)
Other versions
JPS5831124B2 (en
Inventor
Koji Takaragawa
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP6179777A priority Critical patent/JPS5831124B2/en
Publication of JPS53147449A publication Critical patent/JPS53147449A/en
Publication of JPS5831124B2 publication Critical patent/JPS5831124B2/en
Expired 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
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6433—Coupled resonator filters
    • H03H9/6486—Coupled resonator filters having crossing or intersecting acoustic tracks, e.g. intersection in a perpendicular or diagonal orientation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02637—Details concerning reflective or coupling arrays
    • H03H9/02645—Waffle-iron or dot arrays
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72—Networks using surface acoustic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

Abstract

PURPOSE:To make small the unit in size, by branching elastic surface wave obtained from a transmission transducer to a plural number of receiving transducers.
JP6179777A 1977-05-27 1977-05-27 Surface acoustic wave splitter Expired JPS5831124B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6179777A JPS5831124B2 (en) 1977-05-27 1977-05-27 Surface acoustic wave splitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6179777A JPS5831124B2 (en) 1977-05-27 1977-05-27 Surface acoustic wave splitter

Publications (2)

Publication Number Publication Date
JPS53147449A true JPS53147449A (en) 1978-12-22
JPS5831124B2 JPS5831124B2 (en) 1983-07-04

Family

ID=13181443

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6179777A Expired JPS5831124B2 (en) 1977-05-27 1977-05-27 Surface acoustic wave splitter

Country Status (1)

Country Link
JP (1) JPS5831124B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6324708A (en) * 1986-07-16 1988-02-02 Japan Radio Co Ltd Surface acoustic wave filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6324708A (en) * 1986-07-16 1988-02-02 Japan Radio Co Ltd Surface acoustic wave filter

Also Published As

Publication number Publication date
JPS5831124B2 (en) 1983-07-04

Similar Documents

Publication Publication Date Title
JPS5398861A (en) Underwater information collecting system
JPS5448492A (en) Elastic surface wave transducer
JPS5412693A (en) Elastic surface wave oscillator
JPS5366760A (en) Transmission and reception of sound waves
GB2031584B (en) Devices for emitting acoustic waves in a liquid medium by implosion
JPS53147449A (en) Branching unit of elastic surface wave
AU518464B2 (en) Acoustic surface wave transducer
JPS5392153A (en) Underwater information collecting system
JPS52141543A (en) Manufacture of surface elastic wave unit
JPS5458071A (en) Pressure meter utilizing sound wave
JPS5536158B2 (en)
JPS52130265A (en) Elastic surface wave delay line
JPS52127261A (en) Mark discrimination system
JPS5410644A (en) Elastic surface wave filter
JPS51120153A (en) Elastic surface wave filter
JPS5432957A (en) Solid signal transducer
SU647892A1 (en) Acoustic surface wave transducer
JPS52116154A (en) Elastic surface wave element
JPS5362444A (en) Elastic surface wave unit
JPS543417A (en) Division multiple system for frequency deviation keying frequency
JPS52120820A (en) Electroacoustic transducer
JPS5242011A (en) Signal duplex transmission system
JPS5247761A (en) Device for receiving an underwater wave motion
JPS5410645A (en) Elastic surface wave filter
JPS5439152A (en) Signal transmitting device