CH207145A - Tuning arrangement for very short waves. - Google Patents

Tuning arrangement for very short waves.

Info

Publication number
CH207145A
CH207145A CH207145DA CH207145A CH 207145 A CH207145 A CH 207145A CH 207145D A CH207145D A CH 207145DA CH 207145 A CH207145 A CH 207145A
Authority
CH
Switzerland
Prior art keywords
short waves
tuning arrangement
tuning
arrangement
waves
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellschaft C Lorenz
Original Assignee
Lorenz C Ag
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 Lorenz C Ag filed Critical Lorenz C Ag
Publication of CH207145A publication Critical patent/CH207145A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1205—Particular type of activated sludge processes
    • C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type
    • H01F21/005—Inductances without magnetic core
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/02—Lecher resonators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Power Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
CH207145D 1937-10-19 1938-10-03 Tuning arrangement for very short waves. CH207145A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE207145X 1937-10-19

Publications (1)

Publication Number Publication Date
CH207145A true CH207145A (en) 1939-09-30

Family

ID=5793549

Family Applications (1)

Application Number Title Priority Date Filing Date
CH207145D CH207145A (en) 1937-10-19 1938-10-03 Tuning arrangement for very short waves.

Country Status (5)

Country Link
US (1) US2248782A (en)
BE (1) BE430631A (en)
CH (1) CH207145A (en)
FR (1) FR844609A (en)
NL (1) NL54039C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2442615A (en) * 1940-04-25 1948-06-01 Electrical & Musical Ind Ltd High-frequency tuner

Also Published As

Publication number Publication date
NL54039C (en)
US2248782A (en) 1941-07-08
FR844609A (en) 1939-07-28
BE430631A (en)

Similar Documents

Publication Publication Date Title
CH214060A (en) Oscillation circuit for short electromagnetic waves.
CH207143A (en) Radio receiver.
CH261238A (en) Broadband amplifier for ultra-short waves.
FR839635A (en) Radio-electric systems
CH202356A (en) Discharge tube for very high frequencies.
CH226472A (en) Bullet for smooth runs.
CH202825A (en) Cannetière.
CH207145A (en) Tuning arrangement for very short waves.
CH229754A (en) Tunable oscillation circuit for ultra-short waves.
CH194900A (en) Telephone receiver.
CH205224A (en) Antenna arrangement for radio beacons.
CH205040A (en) High frequency cables.
CH219026A (en) Reinforcement arrangement for ultrashort waves.
CH207811A (en) Scale arrangement for radio receivers.
CH206314A (en) Carrier wave telephony system.
CH232060A (en) Amplifier circuit for ultra-short waves.
CH236498A (en) Ultrashort wave amplifier.
CH194601A (en) Receiving system for high frequency signals.
CH208096A (en) High frequency telephone system.
CH222627A (en) Double line for decimeter waves.
CH234471A (en) Circuit with a push-pull oscillation circuit for very short waves.
CH207285A (en) Radio receiver.
CH208100A (en) Radio receiver.
FR845121A (en) Oscillator refinements
CH201426A (en) Wave filter.