NL7215205A - - Google Patents

Info

Publication number
NL7215205A
NL7215205A NL7215205A NL7215205A NL7215205A NL 7215205 A NL7215205 A NL 7215205A NL 7215205 A NL7215205 A NL 7215205A NL 7215205 A NL7215205 A NL 7215205A NL 7215205 A NL7215205 A NL 7215205A
Authority
NL
Netherlands
Application number
NL7215205A
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 filed Critical
Publication of NL7215205A publication Critical patent/NL7215205A/xx

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
    • H03H9/30—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)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
NL7215205A 1971-11-10 1972-11-10 NL7215205A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7140292A FR2170291A5 (de) 1971-11-10 1971-11-10
FR7238716A FR2205253A6 (de) 1971-11-10 1972-10-31

Publications (1)

Publication Number Publication Date
NL7215205A true NL7215205A (de) 1973-05-14

Family

ID=26216712

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7215205A NL7215205A (de) 1971-11-10 1972-11-10

Country Status (7)

Country Link
US (1) US3787786A (de)
CA (1) CA958086A (de)
DE (1) DE2254903A1 (de)
FR (2) FR2170291A5 (de)
GB (1) GB1412264A (de)
NL (1) NL7215205A (de)
SE (1) SE389246B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037175A (en) * 1974-01-02 1977-07-19 University Of Illinois Foundation Variable delay device
FR2266395B1 (de) * 1974-03-26 1980-10-31 Thomson Csf
US9099982B2 (en) * 2012-01-25 2015-08-04 International Business Machines Corporation Method of manufacturing switching filters and design structures

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3103640A (en) * 1961-06-19 1963-09-10 Lab For Electronics Inc Variable ultrasonic delay line
US3360749A (en) * 1964-12-09 1967-12-26 Bell Telephone Labor Inc Elastic wave delay device
US3436688A (en) * 1966-05-24 1969-04-01 Lab For Electronics Inc Variable delay line with movable electrode
US3676721A (en) * 1970-08-28 1972-07-11 Iit Res Inst Composite surface-wave transducer

Also Published As

Publication number Publication date
FR2170291A5 (de) 1973-09-14
SE389246B (sv) 1976-10-25
FR2205253A6 (de) 1974-05-24
US3787786A (en) 1974-01-22
CA958086A (en) 1974-11-19
DE2254903A1 (de) 1973-05-17
GB1412264A (en) 1975-10-29

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Legal Events

Date Code Title Description
BV The patent application has lapsed