JPS55109968A
(en )
1980-08-23
Frequency decision circuit
US3787755A
(en )
1974-01-22
Rectifier
SU415816A1
(https= )
1974-02-15
US3219926A
(en )
1965-11-23
Tachometer responsive to ignition pulses utilizing a zener diode-inductor filter
US2397540A
(en )
1946-04-02
Ratio circuit
US2977536A
(en )
1961-03-28
Measuring apparatus for counting rate ratios
GB919421A
(en )
1963-02-27
Improved rate indicating device
US3108194A
(en )
1963-10-22
Quantizer
US3921062A
(en )
1975-11-18
Circuit for measuring and storing peak values of ignition voltage in an internal combustion engine
US2562913A
(en )
1951-08-07
Low-frequency pulse rate indicator
GB1008416A
(en )
1965-10-27
Peak amplitude sensing circuit
US3602817A
(en )
1971-08-31
Electrical tachometer
US3078371A
(en )
1963-02-19
Pulse density measuring device
US3588698A
(en )
1971-06-28
Electronic tachometer
US3369178A
(en )
1968-02-13
Automotive tachometer energized by the ignition primary circuit
GB1537500A
(en )
1978-12-29
Method and apparatus for measuring the state of charge of a battery
US2566827A
(en )
1951-09-04
Pulse lengthening circuit
GB861582A
(en )
1961-02-22
Improvements in compressed scale measuring instrument circuits
US3268810A
(en )
1966-08-23
Electronic tachometer utilizing tuned signal transducer
GB999476A
(en )
1965-07-28
Improvements in or relating to electric frequency measuring devices
SU575469A1
(ru )
1977-10-05
Устройство дл бесконтактного контрол диаметра провода
RU2027271C1
(ru )
1995-01-20
Устройство для измерения и контроля сопротивления изоляции электрической цепи
JPS5769237A
(en )
1982-04-27
Temperature and humidity sensing device
US3393361A
(en )
1968-07-16
Apparatus for measuring the width of transient pulses
GB997079A
(en )
1965-06-30
Electric circuits for time-interval measurement