FR541205A - Device for adjusting the coupling coefficient in sound equipment - Google Patents

Device for adjusting the coupling coefficient in sound equipment

Info

Publication number
FR541205A
FR541205A FR541205DA FR541205A FR 541205 A FR541205 A FR 541205A FR 541205D A FR541205D A FR 541205DA FR 541205 A FR541205 A FR 541205A
Authority
FR
France
Prior art keywords
adjusting
coupling coefficient
sound equipment
sound
coefficient
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Signal GmbH
Original Assignee
Signal GmbH
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 Signal GmbH filed Critical Signal GmbH
Application granted granted Critical
Publication of FR541205A publication Critical patent/FR541205A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/72—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using ultrasonic, sonic or infrasonic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR541205D 1918-08-16 1920-07-10 Device for adjusting the coupling coefficient in sound equipment Expired FR541205A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE541205X 1918-08-16

Publications (1)

Publication Number Publication Date
FR541205A true FR541205A (en) 1922-07-25

Family

ID=6559196

Family Applications (1)

Application Number Title Priority Date Filing Date
FR541205D Expired FR541205A (en) 1918-08-16 1920-07-10 Device for adjusting the coupling coefficient in sound equipment

Country Status (1)

Country Link
FR (1) FR541205A (en)

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