GB1540990A - Static friction free altimeter - Google Patents

Static friction free altimeter

Info

Publication number
GB1540990A
GB1540990A GB52055/77A GB5205577A GB1540990A GB 1540990 A GB1540990 A GB 1540990A GB 52055/77 A GB52055/77 A GB 52055/77A GB 5205577 A GB5205577 A GB 5205577A GB 1540990 A GB1540990 A GB 1540990A
Authority
GB
United Kingdom
Prior art keywords
altimeter
static friction
friction free
free
static
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
GB52055/77A
Other languages
English (en)
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.)
Bendix Corp
Original Assignee
Bendix Corp
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 Bendix Corp filed Critical Bendix Corp
Publication of GB1540990A publication Critical patent/GB1540990A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
    • G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
    • G01L7/10—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the capsule type
    • G01L7/12—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges of the capsule type with exhausted chamber; Aneroid barometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
    • G01C5/06—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels by using barometric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Electromechanical Clocks (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB52055/77A 1976-12-29 1977-12-14 Static friction free altimeter Expired GB1540990A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/755,277 US4052902A (en) 1976-12-29 1976-12-29 Static friction free altimeter

Publications (1)

Publication Number Publication Date
GB1540990A true GB1540990A (en) 1979-02-21

Family

ID=25038471

Family Applications (1)

Application Number Title Priority Date Filing Date
GB52055/77A Expired GB1540990A (en) 1976-12-29 1977-12-14 Static friction free altimeter

Country Status (5)

Country Link
US (1) US4052902A (enExample)
CA (1) CA1076830A (enExample)
DE (1) DE2758732A1 (enExample)
FR (1) FR2376398A1 (enExample)
GB (1) GB1540990A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0413142A3 (en) * 1989-08-18 1991-10-02 Sarcem Automation Altimeter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3387257A (en) * 1967-01-25 1968-06-04 Branson Instr Pulse circuit for pulse echo ultrasonic testing
GB1243270A (en) * 1969-12-22 1971-08-18 John Francis De Mayo Electromagnetically operated tapping device
US3831451A (en) * 1973-01-26 1974-08-27 Int Dynamics Corp Means for avoiding static friction

Also Published As

Publication number Publication date
US4052902A (en) 1977-10-11
DE2758732A1 (de) 1978-07-13
FR2376398B1 (enExample) 1980-08-22
FR2376398A1 (fr) 1978-07-28
CA1076830A (en) 1980-05-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee