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)

Applications Claiming Priority (1)

Publications (2)

Family

ID=5915256

Family Applications (1)

Country Status (16)

Families Citing this family (2)

• 1974
  • 1974-05-10 DE DE2422843A patent/DE2422843C3/de not_active Expired
• 1975
  • 1975-05-02 GB GB18364/75A patent/GB1510150A/en not_active Expired
  • 1975-05-05 IT IT22980/75A patent/IT1037829B/it active
  • 1975-05-06 AT AT347175A patent/AT349064B/de not_active IP Right Cessation
  • 1975-05-06 CH CH581075A patent/CH576726A5/xx not_active IP Right Cessation
  • 1975-05-06 AR AR258657A patent/AR203915A1/es active
  • 1975-05-07 LU LU72421A patent/LU72421A1/xx unknown
  • 1975-05-07 SE SE7505316A patent/SE400434B/xx unknown
  • 1975-05-07 JP JP5536775A patent/JPS5535009B2/ja not_active Expired
  • 1975-05-07 IE IE1025/75A patent/IE41291B1/xx unknown
  • 1975-05-09 BR BR3662/75A patent/BR7502878A/pt unknown
  • 1975-05-09 BE BE156195A patent/BE828889A/xx unknown
  • 1975-05-09 FR FR7514522A patent/FR2270687B1/fr not_active Expired
  • 1975-05-09 DK DK205675A patent/DK205675A/da unknown
  • 1975-05-12 NL NL7505565A patent/NL7505565A/xx unknown
  • 1975-09-12 IN IN1755/CAL/1975A patent/IN142563B/en unknown
• 1976
  • 1976-04-28 AT AT310076A patent/AT347175B/de not_active IP Right Cessation

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