FR857969A - Indicator device for permanent indication echosensor - Google Patents

Indicator device for permanent indication echosensor

Info

Publication number
FR857969A
FR857969A FR857969DA FR857969A FR 857969 A FR857969 A FR 857969A FR 857969D A FR857969D A FR 857969DA FR 857969 A FR857969 A FR 857969A
Authority
FR
France
Prior art keywords
echosensor
indicator device
permanent indication
permanent
indication
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.)
ELECTROACUSTIC KG
Original Assignee
ELECTROACUSTIC KG
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 ELECTROACUSTIC KG filed Critical ELECTROACUSTIC KG
Application granted granted Critical
Publication of FR857969A publication Critical patent/FR857969A/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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/56—Display arrangements
    • G01S7/58—Display arrangements for providing variable ranges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR857969D 1938-10-08 1939-07-19 Indicator device for permanent indication echosensor Expired FR857969A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE857969X 1938-10-08

Publications (1)

Publication Number Publication Date
FR857969A true FR857969A (en) 1940-11-13

Family

ID=6789712

Family Applications (1)

Application Number Title Priority Date Filing Date
FR857969D Expired FR857969A (en) 1938-10-08 1939-07-19 Indicator device for permanent indication echosensor

Country Status (1)

Country Link
FR (1) FR857969A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102589068A (en) * 2012-03-03 2012-07-18 万建红 Gravity circulation air conditioner terminal device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102589068A (en) * 2012-03-03 2012-07-18 万建红 Gravity circulation air conditioner terminal device

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