CH302327A
(en )
1954-10-15
Method for the transmission of stereophonic signals.
CH263782A
(en )
1949-09-15
Device for automatic correction of the frequency of an oscillator.
CH262126A
(en )
1949-06-15
Arrangement for the transmission of phase-modulated or frequency-modulated vibrations.
CH265358A
(en )
1949-11-30
Circuit for keeping the mean frequency of a frequency-modulated high-frequency oscillator constant.
CH212301A
(en )
1940-11-15
Method for transmitting messages by means of frequency-modulated carrier waves.
CH245234A
(en )
1946-10-31
Circuit for stabilizing the carrier frequency of a frequency-modulated oscillator.
CH251650A
(en )
1947-11-15
Process for the polymerization of monoethylene compounds.
CH256137A
(en )
1948-07-31
Method for stabilizing the mean transmission frequency of a frequency-modulated transmitter.
CH266793A
(en )
1950-02-15
Method for increasing the frequency deviation of a frequency-modulated oscillation.
CH242962A
(en )
1946-06-15
Transmitter group for the transmission of oscillations modulated in frequency or phase.
CH231617A
(en )
1944-03-31
Device for the transmission of signals by means of a frequency-modulated carrier wave.
CH256364A
(en )
1948-08-15
Method for the transmission of tactile characters by means of frequency-modulated carrier waves
CH278793A
(en )
1951-10-31
Method for the transmission of signals.
CH243489A
(en )
1946-07-15
Method for the transmission of signals with the aid of frequency-modulated carrier waves.
CH237287A
(en )
1945-04-15
Method for the synchronization of a receiver of the picture telegraph.
CH247881A
(en )
1947-03-31
Circuit arrangement for frequency modulation of a carrier wave.
CH245235A
(en )
1946-10-31
Method for the transmission of signals by means of modulated high-frequency oscillations.
CH230996A
(en )
1944-02-15
Device for changing the natural frequency of a cavity resonator.
CH242277A
(en )
1946-04-30
Process for the preparation of a new pigment.
AT170210B
(en )
1952-01-25
Arrangement for the transmission of phase-modulated or frequency-modulated telecommunications signals
CH241789A
(en )
1946-03-31
Circuit for frequency modulating a carrier wave.
DK67009C
(en )
1948-06-14
Transmitter or Receiver for Decimeter Waves.
CH254133A
(en )
1948-04-15
Method for regulating the speed of a ship.
ES161633A1
(en )
1944-01-01
PROVISION OF MODULATING THE FREQUENCY OF A SELF-EXECUTED TRANSMITTER OF SHORT WAVES
DK63505C
(en )
1945-05-22
Receive coupling for frequency modulated oscillations.