Device for automatically steering towards a target point
DE3534826A1
Automatic maritime search and rescue radio direction finder
DE3021406A1
Automatic direction finder for sea alarm signals - consists of signal receiver, additional switchgear and directional aerial for direction finding and storage
DE2946068A1
Space wave error free radio direction finder - switches frame aerials in coaxial or coplanar configuration to give desired null points
DE2936077A1
Multichannel radio direction finder - uses adjustable scale passing through directional ellipse displayed on CRT obtained by deflection signals
DE2854352A1
Pulse generator with rotary tuner - uses tachometer, voltage to frequency converter and counter to convert setting into control signal for tunable oscillator
DE2757791A1
Direction finder after watson-watt principle - uses single channel receiver with cyclic input from crossed antenna systems
DE2735048A1
Electronically controlled door, safe and function lock release - uses electronically coded key with changing codings and stored variable binary code
DE2635180A1
Electronically controlled locking and unlocking of locks - uses key and lock which store identical binary code combinations to be compared and changed after each use of key
DE2600043A1
Direction finder without polarization error - uses elliptically polarized electromagnetic waves according to azimuth and/or elevation and has three aerials
DE2559286A1
Automatic tuner for resonant circuit - tunes in one step by comparing actual tuning with preset required tuning
DE2555905A1
Radio direction finding apparatus - is for automatic discrimination of low field strength signals in engaged radio bands and uses widely spaced aerials
DE2552532A1
Navigational radar and direction finding installation - cancels space wave errors using double frame on rotating beam and antiphase switching of receiving system voltages
DE2432905A1
Single channel direction finder - sequentially scans auxiliary antenna and crossed antenna system voltages
DE2428299A1
Detector for bugging senders - signals directly collected by microphone are correlated with demodulated LF signal from receiver
DE2404824A1
Weather radar with direction-finding facilities - has transmitter receiver and indicator unit for active and passive phases
DE2354668A1
Direction-finding aerial system without metallic interconnections - uses modulated monochromatic light through glass-fibre lines and localised power supplies
DE2354667A1
Direction-finding aerial system with switchable aerial groups - uses step-switching by stepping relays and electronic arrangements to reduce back-radiation of unused aerials
DE2346879A1
Multichannel direction finder - reception channels are designed for greatest possible dynamic range
DE2335904A1
Multichannel direction finder - separately displays bearings taken on transmitter frequencies lying very close to each other
