FR1230270A - Perfectionnements aux enregistreurs - Google Patents

Perfectionnements aux enregistreurs

Info

Publication number
FR1230270A
FR1230270A FR800262A FR800262A FR1230270A FR 1230270 A FR1230270 A FR 1230270A FR 800262 A FR800262 A FR 800262A FR 800262 A FR800262 A FR 800262A FR 1230270 A FR1230270 A FR 1230270A
Authority
FR
France
Prior art keywords
recorders
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
FR800262A
Other languages
English (en)
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.)
Kelvin Hughes Ltd
Original Assignee
Kelvin Hughes Ltd
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 Kelvin Hughes Ltd filed Critical Kelvin Hughes Ltd
Application granted granted Critical
Publication of FR1230270A publication Critical patent/FR1230270A/fr
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)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Toys (AREA)
  • Electromechanical Clocks (AREA)
FR800262A 1958-07-16 1959-07-16 Perfectionnements aux enregistreurs Expired FR1230270A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2289158A GB852566A (en) 1958-07-16 1958-07-16 Improvements in and relating to recording apparatus

Publications (1)

Publication Number Publication Date
FR1230270A true FR1230270A (fr) 1960-09-14

Family

ID=10186721

Family Applications (1)

Application Number Title Priority Date Filing Date
FR800262A Expired FR1230270A (fr) 1958-07-16 1959-07-16 Perfectionnements aux enregistreurs

Country Status (5)

Country Link
DE (1) DE1172053B (de)
ES (1) ES250829A1 (de)
FR (1) FR1230270A (de)
GB (1) GB852566A (de)
NL (2) NL241282A (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH97672A (de) * 1921-06-20 1923-02-01 Landis & Gyr Ag Schreibvorrichtung an Verbrauchsmessern.
US2743985A (en) * 1950-09-25 1956-05-01 Thomas F Jones Remote measuring device

Also Published As

Publication number Publication date
ES250829A1 (es) 1960-03-01
DE1172053B (de) 1964-06-11
NL241282A (de)
NL127757C (de)
GB852566A (en) 1960-10-26

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