BE388757A - - Google Patents

Info

Publication number
BE388757A
BE388757A BE388757DA BE388757A BE 388757 A BE388757 A BE 388757A BE 388757D A BE388757D A BE 388757DA BE 388757 A BE388757 A BE 388757A
Authority
BE
Belgium
Application number
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.)
Publication of BE388757A publication Critical patent/BE388757A/xx

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/24Frequency- independent attenuators
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/005Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Adjustable Resistors (AREA)
  • Amplifiers (AREA)
BE388757D 1931-06-22 BE388757A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR41242T 1931-06-22

Publications (1)

Publication Number Publication Date
BE388757A true BE388757A (en:Method)

Family

ID=8677423

Family Applications (2)

Application Number Title Priority Date Filing Date
BE388757D BE388757A (en:Method) 1931-06-22
BE380796D BE380796A (en:Method) 1931-06-22

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE380796D BE380796A (en:Method) 1931-06-22

Country Status (4)

Country Link
US (1) US1912719A (en:Method)
BE (2) BE380796A (en:Method)
FR (2) FR714252A (en:Method)
GB (1) GB390486A (en:Method)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125677A (en) * 1953-07-20 1964-03-17 Certificate of correction
US3453529A (en) * 1967-02-17 1969-07-01 Weston Instruments Inc Attenuators having constant output resistance
US3478259A (en) * 1967-07-06 1969-11-11 Frank R Bradley Voltage divider with constant source impedance stages
US4021614A (en) * 1974-12-30 1977-05-03 Teledyne, Inc. Woofer equalizer
JPH01305612A (ja) * 1988-06-02 1989-12-08 Toshiba Corp 減衰器

Also Published As

Publication number Publication date
BE380796A (en:Method)
US1912719A (en) 1933-06-06
FR714252A (fr) 1931-11-10
FR41242E (fr) 1932-12-02
GB390486A (en) 1933-04-06

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