US4546239A
(en )
1985-10-08
Non-continuous sensing apparatus for a temperature control
US4086466A
(en )
1978-04-25
Automatic heater controller
US3497794A
(en )
1970-02-24
Internal reference voltage source equipped switching regulator
US3131318A
(en )
1964-04-28
Time controlled power circuit
US3287623A
(en )
1966-11-22
Voltage regulator
US3733498A
(en )
1973-05-15
Dual-voltage feedback comparator for simultaneously monitoring a positive and negative voltage
JPS55121145A
(en )
1980-09-18
Humidity control circuit
US4168476A
(en )
1979-09-18
AC voltage regulator
US3502904A
(en )
1970-03-24
Pulse-frequency to dc converter
SU416837A1
(cs )
1974-02-25
GB1454650A
(en )
1976-11-03
Current transmitter circuitry to provide an output varying as the square root of a measured variable condition
US4336512A
(en )
1982-06-22
Pulse width generator having a variable mark-to-space ratio
US3304496A
(en )
1967-02-14
Phase angle indicating means
US3742379A
(en )
1973-06-26
Voltage to frequency converter
US3512013A
(en )
1970-05-12
Frequency sensing circuit
US3384763A
(en )
1968-05-21
Power control circuit utilizing low resistance control
GB835834A
(en )
1960-05-25
Improvements in or relating to electrical generator regulating systems, especially for mechanically propelled vehicles
US4005283A
(en )
1977-01-25
Squaring circuit apparatus
GB1093538A
(en )
1967-12-06
Improvements in or relating to switched frequency oscillators
US4305008A
(en )
1981-12-08
Rectifiers
SU661737A1
(ru )
1979-05-05
Генератор управл емой частоты
SU383027A1
(ru )
1973-05-25
Транзисторный регулятор постоянного напряжения
SU531255A1
(ru )
1976-10-05
Генератор импульсов
SU744927A1
(ru )
1980-06-30
Формирователь импульсов
SU478434A1
(ru )
1975-07-25
Устройство сравнени