FR837348A - Corrector for listening device with use of operating times - Google Patents

Corrector for listening device with use of operating times

Info

Publication number
FR837348A
FR837348A FR837348DA FR837348A FR 837348 A FR837348 A FR 837348A FR 837348D A FR837348D A FR 837348DA FR 837348 A FR837348 A FR 837348A
Authority
FR
France
Prior art keywords
corrector
listening device
operating times
operating
listening
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.)
TEPAS KOMANDITNI SPOLECNOST HA
Original Assignee
TEPAS KOMANDITNI SPOLECNOST HA
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 TEPAS KOMANDITNI SPOLECNOST HA filed Critical TEPAS KOMANDITNI SPOLECNOST HA
Application granted granted Critical
Publication of FR837348A publication Critical patent/FR837348A/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)
  • Toys (AREA)
FR837348D 1937-03-25 1938-03-21 Corrector for listening device with use of operating times Expired FR837348A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS837348X 1937-03-25

Publications (1)

Publication Number Publication Date
FR837348A true FR837348A (en) 1939-02-08

Family

ID=5455967

Family Applications (1)

Application Number Title Priority Date Filing Date
FR837348D Expired FR837348A (en) 1937-03-25 1938-03-21 Corrector for listening device with use of operating times

Country Status (2)

Country Link
BE (1) BE427136A (en)
FR (1) FR837348A (en)

Also Published As

Publication number Publication date
BE427136A (en)

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