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.)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Standard Electrica SA
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
Priority claimed from GB31549/61Aexternal-prioritypatent/GB991366A/en
Application filed by Alcatel Espana SA, Standard Electrica SAfiledCriticalAlcatel Espana SA
Publication of ES279217A1publicationCriticalpatent/ES279217A1/en
A radionavigation receiving device that includes a first modulator for modulating the amplitude of a carrier wave by a reference wave, such that a first wave modulated in amplitude is produced substantially free of the frequency component; carrier, a second modulator for modulating the amplitude of a second carrier wave of the same frequency as the first carrier wave by an orientation signal wave in such a way that a second amplitude modulated wave is produced substantially free of the carrier frequency component , circuit means for applying the first and second waves modulated in amplitude to an orientation indicator that responds to the phase difference between the reference and orientation signal waves. (Machine-translation by Google Translate, not legally binding)
ES0279217A1961-09-011962-07-13Radio navigation receiver device (Machine-translation by Google Translate, not legally binding)
ExpiredES279217A1
(en)
Method for receiving high frequency signals particularly modulated in amplitude and phase. (Machine-translation by Google Translate, not legally binding)
Method to vary the relationship of carrier power to sideband power in ils navigation systems. (Machine-translation by Google Translate, not legally binding)
Transistorized amplifier for frequency of 10.7 megacicles and 456 kilocicles for amplitude and frequency modulation receivers with detection systems for radio receivers. (Machine-translation by Google Translate, not legally binding)
Improvements in radio transmission and receiving systems for transmitting two signals comprising correlated frequencies by combined amplitude and phase modulation