Patents for H03K 4 - Generating pulses having essentially a finite slope or stepped portions (2,412) |
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06/21/2000 | DE19938054A1 Current comparison device; has load circuit to deliver reference current and driver device to generate voltage determined by control of input and reference currents |
06/15/2000 | WO2000035090A1 Multilevel current generator with digital control and system for testing the endurance of a component equipped with same |
06/13/2000 | CA2229071C Appliance ac power control apparatus |
06/06/2000 | US6072534 Device for the subdivision of the period of a signal into N quasi-equal parts |
05/10/2000 | CN1052367C Device for protecting vertical deflection integrated circuit for monitor |
04/13/2000 | DE19944911A1 Waveform generator for producing arbitrary waveforms used in testing semiconductor devices uses an input terminal coupled to a delay unit, a processor and a composition unit |
03/23/2000 | DE19841719A1 Schaltungsanordnung zur Flankensteilheitsformung Circuit arrangement for slope forming |
03/21/2000 | US6040724 Bus driver circuit having adjustable rise and fall times |
03/15/2000 | EP0986173A1 Circuit device to control the steepness of an edge |
02/29/2000 | CA2175941C Digital-to-analog converter (dac) and method that produce an approximately piecewise linear analog waveform |
01/26/2000 | CN1048835C Analog type step wave generator |
01/13/2000 | WO1999053609A3 Coupled sawtooth oscillator |
12/16/1999 | WO1999065144A1 Gate drive for insulated gate power semiconductors |
12/16/1999 | CA2335124A1 Gate drive for insulated gate power semiconductors |
11/30/1999 | US5995416 Method and circuit for the generation of programming and erasure voltage in a non-volatile memory |
11/30/1999 | US5995089 Device for protecting a vertical deflection integrated circuit for a monitor |
11/24/1999 | EP0959561A1 Slope generator |
11/17/1999 | CN1235409A Piezoelectric driving circuit |
11/09/1999 | US5982115 Circuit arrangement for producing a vertical frequency deflection current |
10/26/1999 | US5973522 Current injected ramp with reduced recovery time background of the invention |
10/21/1999 | WO1999053616A1 Monopulse generator |
10/21/1999 | WO1999053609A2 Coupled sawtooth oscillator |
10/14/1999 | WO1999052212A1 Method and device for controlling an insulated grid power transistor switching |
10/05/1999 | US5962994 Horizontal deflection output circuit for high-frequency horizontal scanning |
09/29/1999 | EP0944958A1 High voltage ramp generator |
09/14/1999 | US5952949 Timer with dynamic reset threshold |
09/07/1999 | US5949666 Staircase adaptive voltage generator circuit |
08/17/1999 | US5939909 Driver circuit having preslewing circuitry for improved slew rate control |
08/10/1999 | US5935236 Microcomputer capable of outputting pulses |
07/27/1999 | US5929671 Waveform generator |
07/27/1999 | US5929635 Digital oscillator and supply circuit for an eddy current probe |
07/13/1999 | US5923387 Picture display apparatus and method of generating a focusing voltage |
06/29/1999 | US5917313 DC-to-DC converter with soft-start error amplifier and associated method |
06/22/1999 | US5914621 Charge balanced ramp with improved signal linearity |
04/14/1999 | EP0908012A1 Relaxation oscillator of reduced complexity using cmos equivalent of a four-layer diode |
04/14/1999 | CN1213930A Horizontal scanning pulse signal control circuit using digital circuit |
04/06/1999 | US5892671 Control circuit for a switching transistor using a tapped coil with oppositely wound coil parts |
03/30/1999 | US5889720 Circuit for the production of a programming high voltage |
03/24/1999 | EP0903750A1 Method and circuit for generating programming and erasing voltage in nonvolatile memory |
02/16/1999 | US5872807 Spread spectrum clock generator and associated method |
02/16/1999 | US5872474 Waveform shaping circuit |
02/11/1999 | DE19803216A1 Microcomputer for output of pulses |
02/03/1999 | EP0843913A4 Appliance ac power control apparatus |
02/02/1999 | US5867524 Spread spectrum clock generator and associated method |
12/10/1998 | DE19733378A1 Saw tooth voltage generator |
12/02/1998 | EP0881770A1 Control circuit for the current switch edges of a power transistor |
11/17/1998 | US5838956 Clock generating circuit |
10/20/1998 | US5825223 Technique for controlling the slope of a periodic waveform |
10/20/1998 | US5825218 Driver circuit including slew rate control system with improved voltage ramp generator |
10/14/1998 | EP0870397A1 Over-current protection circuit in line deflection circuits |
09/29/1998 | US5815537 Wireless digital communication device, and a pulse shaping network |
09/29/1998 | US5814952 Device for correcting the ramp linearity of saw-tooth signals |
09/08/1998 | US5804999 Appliance AC power control apparatus |
09/02/1998 | EP0862270A1 Staircase adaptive voltage generator circuit |
09/01/1998 | US5801560 System for determining time between events using a voltage ramp generator |
08/11/1998 | US5793257 Oscillator having switching capacitors and phase-locked loop employing same |
08/05/1998 | CN2287353Y High voltage and high speed power pulse generator |
07/21/1998 | CA2073392C Parabolic signal generator |
06/30/1998 | US5774390 Digital ramp generator |
06/23/1998 | US5770930 Vertical deflecting circuit using a raised source voltage |
06/18/1998 | WO1998026505A1 High voltage ramp generator |
06/18/1998 | CA2274856A1 High voltage ramp generator |
06/10/1998 | EP0847141A1 Apparatus for dividing a signal period into N quasi-equal shares |
06/10/1998 | EP0846392A1 Generating a focusing voltage |
06/09/1998 | US5764002 Over-current protection circuit for use in television horizontal deflection circuits |
06/02/1998 | US5760623 Ramp voltage generator for differential switching amplifiers |
05/27/1998 | EP0843913A1 Appliance ac power control apparatus |
05/19/1998 | US5754015 Horizontal deflection circuit for multiscan type display devices |
04/21/1998 | US5742193 Driver circuit including preslewing circuit for improved slew rate control |
04/14/1998 | US5739711 Regulation circuit for bipolar voltage switching circuits having logic circuitry using a single error amplifier for regulation of both positive and negative voltages |
04/08/1998 | EP0834103A1 Digital oscillator and power supply circuit for an eddy current probe |
04/08/1998 | EP0574379B1 Coupled regenerative oscillator circuit |
03/04/1998 | CN1175113A Control circuit for cyclic exciting switching transistor |
03/03/1998 | US5723993 Pulse generating circuit for use in a semiconductor memory device |
02/17/1998 | US5719906 Signal generator and wireless mobile system including the same |
02/03/1998 | US5714897 Phase-shifted triangle wave generator |
01/28/1998 | EP0821520A2 Waveform generator |
01/14/1998 | CN1170303A Oscillator and phase-locked loop employing same |
01/08/1998 | WO1998000967A1 Over-current protection circuit in line deflection circuits |
01/07/1998 | CN1169800A Wireless digital communication device, and pulse shaping network |
12/31/1997 | WO1997050244A1 Generating a focusing voltage |
12/31/1997 | WO1997050175A1 Relaxation oscillator of reduced complexity using cmos equivalent of a four-layer diode |
12/31/1997 | CN1169063A Deflection circuit responsive to differential sawtooth signals |
12/30/1997 | US5703445 Video display apparatus |
12/24/1997 | CN1168594A Sawtooth generator with disturbance signal rejection for deflection apparatus |
12/10/1997 | EP0811987A1 Circuit to produce high programming voltage |
11/12/1997 | EP0806084A1 Circuit for switching the actuator outputs off in an asi system in the event of data communication failure |
11/12/1997 | CN1164790A Vertical deflecting circuit |
10/16/1997 | DE19614094A1 Vacuum cleaner with circuit generating ultrasonic oscillations |
10/01/1997 | EP0798855A2 A sawtooth generator with disturbance signal rejection for a deflection apparatus |
09/30/1997 | US5673164 Transistor protection circuit of a monitor |
09/24/1997 | CN1035976C Slow turn-on in deflection circuit |
09/16/1997 | US5668508 Oscillator circuit having oscillation frequency independent from the supply voltage value |
09/02/1997 | US5663728 Digital-to-analog converted (DAC) and method that set waveform rise and fall times to produce an analog waveform that approximates a piecewise linear waveform to reduce spectral distortion |
08/13/1997 | EP0789485A2 Vertical deflecting circuit |
08/13/1997 | CN2259720Y High-voltage energy-saving pulse generator |
08/05/1997 | US5654677 Relaxation oscillator of reduced complexity using CMOS equivalent of a four-layer diode |
07/30/1997 | EP0786866A1 Driving circuit for a periodically operated switch transistor |
07/24/1997 | DE19601569A1 Signal delay circuit arrangement |
07/23/1997 | EP0785703A1 Control device for a low pressure fluorescent lamp |