ATA310076A - Unkrautvertilgungsmittel - Google Patents

Unkrautvertilgungsmittel

Info

Publication number
ATA310076A
ATA310076A AT763100A AT310076A ATA310076A AT A310076 A ATA310076 A AT A310076A AT 763100 A AT763100 A AT 763100A AT 310076 A AT310076 A AT 310076A AT A310076 A ATA310076 A AT A310076A
Authority
AT
Austria
Prior art keywords
weed
cleaner
weed cleaner
Prior art date
Application number
AT763100A
Other languages
English (en)
Other versions
AT347175B (de
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of ATA310076A publication Critical patent/ATA310076A/de
Application granted granted Critical
Publication of AT347175B publication Critical patent/AT347175B/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/24—Frequency- independent attenuators
    • H03H7/25—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable
    • H03H7/253—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable the element being a diode
    • H03H7/255—Frequency- independent attenuators comprising an element controlled by an electric or magnetic variable the element being a diode the element being a PIN diode
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/88—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms six-membered rings with three ring hetero atoms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/22—Attenuating devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
    • H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
    • H03G1/0058—PIN-diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/24—Frequency- independent attenuators

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Dentistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Agronomy & Crop Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Attenuators (AREA)
  • Non-Reversible Transmitting Devices (AREA)
  • Control Of Amplification And Gain Control (AREA)
AT310076A 1974-05-10 1976-04-28 Unkrautvertilgungsmittel AT347175B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2422843A DE2422843C3 (de) 1974-05-10 1974-05-10 Regelbares Dampfungsglied für insbesondere kurze elektromagnetische Wellen

Publications (2)

Publication Number Publication Date
ATA310076A true ATA310076A (de) 1978-04-15
AT347175B AT347175B (de) 1978-08-15

Family

ID=5915256

Family Applications (2)

Application Number Title Priority Date Filing Date
AT347175A AT349064B (de) 1974-05-10 1975-05-06 Regelbares daempfungsglied fuer insbesondere kurze elektromagnetische wellen
AT310076A AT347175B (de) 1974-05-10 1976-04-28 Unkrautvertilgungsmittel

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT347175A AT349064B (de) 1974-05-10 1975-05-06 Regelbares daempfungsglied fuer insbesondere kurze elektromagnetische wellen

Country Status (16)

Country Link
JP (1) JPS5535009B2 (de)
AR (1) AR203915A1 (de)
AT (2) AT349064B (de)
BE (1) BE828889A (de)
BR (1) BR7502878A (de)
CH (1) CH576726A5 (de)
DE (1) DE2422843C3 (de)
DK (1) DK205675A (de)
FR (1) FR2270687B1 (de)
GB (1) GB1510150A (de)
IE (1) IE41291B1 (de)
IN (1) IN142563B (de)
IT (1) IT1037829B (de)
LU (1) LU72421A1 (de)
NL (1) NL7505565A (de)
SE (1) SE400434B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3842425C1 (en) * 1988-12-16 1989-11-23 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De Method and device for the temperature compensation of an attenuator
DE4115599C2 (de) * 1991-05-14 1994-03-24 Ant Nachrichtentech Dämpfungsglied

Also Published As

Publication number Publication date
IN142563B (de) 1977-07-30
BE828889A (fr) 1975-11-10
NL7505565A (nl) 1975-11-12
DE2422843A1 (de) 1975-11-13
IE41291B1 (en) 1979-12-05
AT349064B (de) 1979-03-26
SE7505316L (sv) 1975-11-11
GB1510150A (en) 1978-05-10
FR2270687B1 (de) 1978-02-03
AU8100175A (en) 1976-11-11
JPS5535009B2 (de) 1980-09-11
AR203915A1 (es) 1975-10-31
AT347175B (de) 1978-08-15
DE2422843B2 (de) 1978-02-09
JPS50156346A (de) 1975-12-17
DE2422843C3 (de) 1978-09-21
SE400434B (sv) 1978-03-20
CH576726A5 (de) 1976-06-15
FR2270687A1 (de) 1975-12-05
IE41291L (en) 1975-11-10
BR7502878A (pt) 1976-03-16
ATA347175A (de) 1978-08-15
DK205675A (da) 1975-11-11
LU72421A1 (de) 1975-08-26
IT1037829B (it) 1979-11-20

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee