Patents
Patents for H03K 5 - Manipulating pulses not covered by one of the other main groups in this subclass (25,714)
10/1991
10/01/1991US5053651 Deglitched digital mixer circuit
10/01/1991US5053649 Method and apparatus for high speed phase detection
10/01/1991US5053645 Threshold logic circuit
10/01/1991US5053639 Symmetrical clock generator and method
10/01/1991CA1290045C Broadband signal switching equipment
10/01/1991CA1290044C Broadband signal switching equipment
09/1991
09/25/1991EP0448048A2 A signal detecting circuit for detecting a signal specified in a designated frequency
09/25/1991EP0447729A2 Level detector hardened against noise
09/24/1991US5052032 Clock formation circuit
09/24/1991US5051630 Accurate delay generator having a compensation feature for power supply voltage and semiconductor process variations
09/24/1991US5051629 Signal delay and reproduction device and method
09/24/1991US5051626 Buffer circuit for logic level conversion
09/24/1991US5051616 Zero crossing detector arrangements
09/24/1991CA1289632C Clock-signal regenerator comprising a crystal oscillator incorporated in a phase-locked loop
09/22/1991WO1991015060A1 High speed logic and memory family using ring segment buffer
09/22/1991CA2078778A1 High speed logic and memory family using ring segment buffer
09/18/1991EP0446891A2 Laser beam controller
09/18/1991EP0446527A2 Method and circuit for controlling the frequency of an electronic inverter
09/17/1991US5049767 Shared inverter outputs delay system
09/17/1991CA1289205C Symmetric integrated amplifier with controlled dc offset voltage
09/17/1991CA1289193C Programmable level shifting interface device
09/13/1991CA2036145A1 Method and circuit for controlling the frequency of an electronic inverter
09/11/1991EP0445574A2 Digital clock buffer circuit providing controllable delay
09/11/1991EP0445359A1 Transcutaneous electrical nerve stimulation apparatus
09/11/1991EP0445170A1 Process for recovering a coded signal sequence
09/10/1991US5048065 Method and circuit for controlling the frequency of an electronic inverter
09/10/1991US5047659 Non-overlapping two-phase clock generator utilizing floating inverters
09/10/1991US5047657 Integrated circuit comprising a signal level converter
09/10/1991CA1288830C Apparatus and method for capacitor coupled complementary buffering
09/10/1991CA1288828C Clock pulse generator for microcomputer
09/06/1991CA2037593A1 Digital clock buffer circuit providing controllable delay
09/05/1991WO1991013363A2 Signal conditioning circuit
09/05/1991DE4006694A1 Digital ON and OFF delay for rectangular signals - feeds signal to cycled forward and backward counter via anti-valence gate
09/05/1991DE4002367A1 Recovering coded signal sequence from film - digitising signals and eliminating DC component using regulating loop
09/04/1991EP0444683A2 Semiconductor circuit device with input threshold value correction circuit
09/04/1991EP0444363A2 Current-pulse integrating
08/1991
08/28/1991CN1013724B Clock signal generation system
08/27/1991US5043660 Signal processing circuit for movement tracking encoder including positive and negative feedback means to reduce distortion
08/27/1991US5043653 Noise filter for zero crossing detector
08/27/1991US5043606 Apparatus and method for programmably controlling the polarity of an I/O signal of a magnetic disk drive
08/27/1991US5043601 Wide-band amplifier useful for squarewave signals
08/27/1991US5043599 CMOS differential comparator with offset voltage
08/22/1991DE4102885A1 Impulsformungssystem fuer festplattenlaufwerke Pulse shaping system for fixed disk drives
08/21/1991EP0442829A1 Clock frequency doubler
08/21/1991EP0442688A2 Switching circuit
08/21/1991EP0442668A2 High speed low skew clock circuit
08/21/1991EP0442619A2 Circuit
08/21/1991EP0442618A1 CMOS clamp circuits
08/21/1991EP0442001A1 Comparator circuit
08/21/1991EP0441957A1 Adjustable clock generator circuit
08/21/1991CN1053977A Modulation method of control signal
08/20/1991US5042066 Dialer circuit
08/20/1991US5041744 Chopper type comparator
08/20/1991US5041738 CMOS clock generator having an adjustable overlap voltage
08/14/1991EP0441684A1 Phase lock circuit and resulting frequency multiplier
08/14/1991EP0441200A2 Sense amplifier and method for sensing the outputs of static random access memory cells
08/14/1991EP0440894A2 Trigger circuit with self-adjusting reference value
08/14/1991EP0440835A1 Differential current circuit breaker with transducer with device for balancing pulse signals
08/13/1991US5039950 Multiple clock synthesizer
08/13/1991US5039893 Signal delay device
08/08/1991WO1991011858A1 Cmos level shifter circuit
08/07/1991WO1991012666A1 Phase-locked circuit and frequency multiplier obtained
08/07/1991EP0440357A2 Self-calibrating clock synchronisation system
08/07/1991CN2082486U Flip-flip of voltage zero passage with lower power and that may be integrated
08/06/1991US5038055 Peak level detecting device and method
07/1991
07/31/1991EP0439310A2 Semiconductor device for preventing malfunction caused by a noise
07/31/1991EP0439203A2 Variable delay circuit
07/31/1991EP0439178A1 Pulse phase difference encoding circuit
07/31/1991EP0179153B1 A programmable logic array device using eprom technology
07/31/1991CN1053522A Sync tip clamp circuitry
07/30/1991US5036528 Self-calibrating clock synchronization system
07/30/1991US5036232 Push-pull output stage of integrated circuit providing enhanced high-low voltage level signal transition with ground bounce control
07/30/1991US5036230 CMOS clock-phase synthesizer
07/30/1991US5036223 Inverter circuit and chopper type comparator circuit using the same
07/30/1991US5036221 Circuit for eliminating metastable events associated with a data signal asynchronous to a clock signal
07/30/1991US5036216 Video dot clock generator
07/25/1991DE4001555A1 Digital oscillator generating frequency controlled signal - forms transmission signal in accumulator, delayed by period dependent on accumulator content
07/24/1991EP0437945A1 Clamp circuitry
07/24/1991EP0437605A1 Bi-cmos clock driver with reduced crossover current
07/24/1991EP0437425A1 Process and device for monitoring failures of timing signals
07/24/1991CN1013331B Voltage level conversion circuit
07/20/1991CA2031082A1 Sync tip clamp circuitry
07/18/1991DE4000893A1 Multichannel appts. for electro-simulation - provides several current circuits for patient with electrodes applying pulse signals
07/18/1991DE3943306C1 Sense amplifier for complex logic gates - has drain-source path of FET connected to potential source and base of bipolar transistor
07/17/1991EP0437410A1 Device for doubling/halving the rate of a serial bitstream
07/17/1991EP0436771A1 Unbalanced transmitter and receiver for bipolar signals
07/16/1991US5033067 Variable shift register
07/16/1991US5033066 Event tagging time delay
07/16/1991US5032744 High speed comparator with offset cancellation
07/16/1991US5032743 Skew clamp
07/16/1991US5032740 Voltage level conversion of a clock signal
07/16/1991CA1286365C High speed hybrid digital driver
07/11/1991WO1991010176A1 Device for preventing erroneous operation when the clock is interrupted in a controller
07/10/1991EP0436000A1 Multiple clock synthesizer
07/10/1991EP0181379B1 Pulse detector for missing or extra pulses
07/09/1991US5030895 Field emitter array comparator
07/09/1991US5030856 Receiver and level converter circuit with dual feedback
07/09/1991US5030853 High speed logic and memory family using ring segment buffer
07/09/1991US5030850 Off-set stabilizer for comparator output
07/03/1991EP0435148A1 A low-hysteresis regenerative comparator