JPS5299046A - Elastic surface wave pulse delay device - Google Patents

Elastic surface wave pulse delay device

Info

Publication number
JPS5299046A
JPS5299046A JP1614676A JP1614676A JPS5299046A JP S5299046 A JPS5299046 A JP S5299046A JP 1614676 A JP1614676 A JP 1614676A JP 1614676 A JP1614676 A JP 1614676A JP S5299046 A JPS5299046 A JP S5299046A
Authority
JP
Japan
Prior art keywords
surface wave
elastic surface
delay device
wave pulse
pulse delay
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
JP1614676A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5532281B2 (enExample
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.)
NTT Inc
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 JP1614676A priority Critical patent/JPS5299046A/ja
Publication of JPS5299046A publication Critical patent/JPS5299046A/ja
Publication of JPS5532281B2 publication Critical patent/JPS5532281B2/ja
Granted 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 elements; 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/125—Driving means, e.g. electrodes, coils
    • H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
    • H03H9/14517—Means for weighting
    • H03H9/1452—Means for weighting by finger overlap length, apodisation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/30—Time-delay networks
    • H03H9/42—Time-delay networks using surface acoustic waves
    • H03H9/423—Time-delay networks using surface acoustic waves with adjustable delay time

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Pulse Circuits (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP1614676A 1976-02-17 1976-02-17 Elastic surface wave pulse delay device Granted JPS5299046A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1614676A JPS5299046A (en) 1976-02-17 1976-02-17 Elastic surface wave pulse delay device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1614676A JPS5299046A (en) 1976-02-17 1976-02-17 Elastic surface wave pulse delay device

Publications (2)

Publication Number Publication Date
JPS5299046A true JPS5299046A (en) 1977-08-19
JPS5532281B2 JPS5532281B2 (enExample) 1980-08-23

Family

ID=11908348

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1614676A Granted JPS5299046A (en) 1976-02-17 1976-02-17 Elastic surface wave pulse delay device

Country Status (1)

Country Link
JP (1) JPS5299046A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS623511U (enExample) * 1985-06-20 1987-01-10
US4673402A (en) * 1985-05-15 1987-06-16 The Procter & Gamble Company Absorbent articles with dual-layered cores

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03288298A (ja) * 1990-04-04 1991-12-18 Gakuyou Toki Kogyo Kk 航路標識に好適な信号発生装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4673402A (en) * 1985-05-15 1987-06-16 The Procter & Gamble Company Absorbent articles with dual-layered cores
JPS623511U (enExample) * 1985-06-20 1987-01-10

Also Published As

Publication number Publication date
JPS5532281B2 (enExample) 1980-08-23

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