SE389246B - DRAINAGE LINE - Google Patents

DRAINAGE LINE

Info

Publication number
SE389246B
SE389246B SE7213643A SE1364372A SE389246B SE 389246 B SE389246 B SE 389246B SE 7213643 A SE7213643 A SE 7213643A SE 1364372 A SE1364372 A SE 1364372A SE 389246 B SE389246 B SE 389246B
Authority
SE
Sweden
Prior art keywords
drainage line
drainage
line
Prior art date
Application number
SE7213643A
Other languages
Swedish (sv)
Inventor
A Defebvre
G Leman
J-F Pouliquen
Original Assignee
France Etat
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 France Etat filed Critical France Etat
Publication of SE389246B publication Critical patent/SE389246B/en

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)
SE7213643A 1971-11-10 1972-10-23 DRAINAGE LINE SE389246B (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
SE389246B true SE389246B (en) 1976-10-25

Family

ID=26216712

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7213643A SE389246B (en) 1971-11-10 1972-10-23 DRAINAGE LINE

Country Status (7)

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

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 (en) * 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
NL7215205A (en) 1973-05-14
CA958086A (en) 1974-11-19
FR2170291A5 (en) 1973-09-14
FR2205253A6 (en) 1974-05-24
DE2254903A1 (en) 1973-05-17
GB1412264A (en) 1975-10-29
US3787786A (en) 1974-01-22

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