Classifications

• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
  • G05B19/00—Programme-control systems
  • G05B19/02—Programme-control systems electric
  • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
  • G05B19/12—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using record carriers
  • G05B19/16—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using record carriers using magnetic record carriers
• • 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
  • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
  • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
  • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
  • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
  • G11B5/127—Structure or manufacture of heads, e.g. inductive
  • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
  • G11B5/37—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using galvano-magnetic devices, e.g. Hall-effect devices using Hall or Hall-related effect, e.g. planar-Hall effect or pseudo-Hall effect

Applications Claiming Priority (2)

Publications (1)

Family

ID=25998002

Family Applications (1)

Country Status (5)

Families Citing this family (16)

Family Cites Families (6)

• 1965
  • 1965-10-22 US US501178A patent/US3474430A/en not_active Expired - Lifetime
• 1966
  • 1966-01-07 NL NL6600212A patent/NL6600212A/xx unknown
  • 1966-02-25 GB GB8528/66A patent/GB1117872A/en not_active Expired
• 1967
  • 1967-08-31 US US664691A patent/US3474460A/en not_active Expired - Lifetime
• 1968
  • 1968-06-25 GB GB1233802D patent/GB1233802A/en not_active Expired
  • 1968-08-29 DE DE1791015A patent/DE1791015C3/de not_active Expired
  • 1968-08-30 FR FR1578620D patent/FR1578620A/fr not_active Expired

Also Published As

Similar Documents