Patents
Sitemap › H03 - Basic electronic circuitry › H03K - Pulse technique
More topics under "H03K - Pulse technique" (158,151)
H03K 11 - Transforming types of modulation, e.g. position-modulated pulses into duration-modulated pulses (135)
H03K 12 - Producing pulses by distorting or combining sinusoidal waveforms (122)
H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158)
H03K 19 - Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits (41,996)
H03K 21 - Details of pulse counters or frequency dividers (1,950)
H03K 23 - Pulse counters comprising counting chains; Frequency dividers comprising counting chains (2,815)
H03K 25 - Pulse counters with step-by-step integration and static storage; Analogous frequency dividers (130)
H03K 27 - Pulse counters in which pulses are continuously circulated in a closed loop; Analogous frequency dividers (43)
H03K 29 - Pulse counters comprising multi-stable elements, e.g. for ternary scale, for decimal scale; Analogous frequency dividers (18)
H03K 3 - Circuits for generating electric pulses; Monostable, bistable or multistable circuits (23,299)
H03K 4 - Generating pulses having essentially a finite slope or stepped portions (2,412)
H03K 5 - Manipulating pulses not covered by one of the other main groups in this subclass (25,714)
H03K 6 - Manipulating pulses having a finite slope and not covered by one of the other main groups of this subclass (385)
H03K 7 - Modulating pulses with a continuously-variable modulating signal (4,039)
H03K 9 - Demodulating pulses which have been modulated with a continuously-variable signal (1,929)
H03K 99 - Subject matter not provided for in other groups of this subclass (6)
Patents for H03K - Pulse technique (182)
11/2004
11/18/2004US20040228175 Configurable cableCARD
10/2004
10/28/2004WO2004093317A2 System and method for determining voltage levels
10/28/2004US20040216007 System and method for compensating for error in a sigma delta circuit
10/14/2004WO2004088843A2 System and method for compensating for error in a sigma delta circuit
10/07/2004WO2004051850A3 A time-of-flight mass spectrometer with improved data acquisition system
09/2004
09/16/2004US20040181760 Systems and methods for operating an electromagnetic actuator
06/2004
06/17/2004WO2004051850A2 A time-of-flight mass spectrometer with improved data acquisition system
03/2004
03/02/2004US6699172 Generator of electromagnetic waves for medical use
11/2003
11/20/2003US20030214580 Self propelled device having a magnetohydrodynamic propulsion system
07/2003
07/02/2003EP1261392B1 Generator of electromagnetic waves for medical use
05/2003
05/21/2003CN1419461A Generator of electromagnetic waves for medical use
04/2003
04/22/2003US6552584 Output stage for high-speed comparator circuits
01/2003
01/30/2003US20030023129 Generator of electromagnetic waves for medical use
12/2002
12/24/2002US6498817 Circuit for processing data signals
12/04/2002EP1261392A1 Generator of electromagnetic waves for medical use
10/2002
10/16/2002CN1375128A Method and apapratus for generating pulses from analog waveforms
09/2002
09/04/2002EP1236276A1 Method and apparatus for generating pulses from analog waveforms
01/2002
01/24/2002US20020008251 Output stage for high-speed comparator circuits
11/2001
11/08/2001US20010039538 Logical fuzzy union and intersection operation calculation circuit
09/2001
09/07/2001WO2001064284A1 Generator of electromagnetic waves for medical use
07/2001
07/10/2001US6259390 Method and apparatus for generating pulses from analog waveforms
05/2001
05/03/2001WO2001031784A1 Method and apparatus for generating pulses from analog waveforms
05/03/2001CA2387399A1 Method and apparatus for generating pulses from analog waveforms
04/2001
04/11/2001EP1090459A2 Method for software driven generation of multiple simultaneous high speed pulse width modulated signals
03/2001
03/07/2001CN1062998C Communications channel testing arrangement
01/2001
01/17/2001EP1068668A2 Circuit for processing data signals
11/2000
11/23/2000WO2000019608A3 Circuit for processing data signals
04/2000
04/06/2000WO2000019608A2 Circuit for processing data signals
03/2000
03/16/2000WO2000001067A3 Method for software driven generation of multiple simultaneous high speed pulse width modulated signals
01/2000
01/06/2000WO2000001067A2 Method for software driven generation of multiple simultaneous high speed pulse width modulated signals
01/06/2000CA2336184A1 Method for software driven generation of multiple simultaneous high speed pulse width modulated signals
05/1999
05/11/1999US5903180 For receiving input signals
04/1999
04/15/1999WO1999005789A3 Voltage tolerant bus hold latch
02/1999
02/04/1999WO1999005789A2 Voltage tolerant bus hold latch
01/1999
01/19/1999CA2161057C Soft decision digital communication method and apparatus
09/1998
09/15/1998US5808327 AC controller
06/1998
06/16/1998US5768341 Communications channel testing arrangement
02/1998
02/18/1998EP0669054B1 Communications channel testing arrangement
01/1998
01/06/1998US5706313 Soft decision digital communication method and apparatus
10/1997
10/22/1997EP0801847A1 Null convention threshold gate
05/1997
05/14/1997EP0717887B1 A.c. controller
09/1996
09/11/1996CN1130832A Soft decision digital communication method and apparatus
07/1996
07/11/1996WO1996021277A1 Null convention threshold gate
07/11/1996CA2209602A1 Null convention threshold gate
06/1996
06/26/1996EP0717887A1 A.c. controller
05/1996
05/02/1996DE19540652A1 Digitales Kommunikationsverfahren aufgrund weicher Entscheidungen und Apparat A digital communication method due to soft decisions and apparatus
08/1995
08/30/1995EP0669054A1 Communications channel testing arrangement
03/1995
03/16/1995WO1995007571A1 A.c. controller
03/16/1995CA2171187A1 Ac power controller
09/1994
09/28/1994CN1092920A Communications channel testing arrangement
05/1994
05/26/1994WO1994011948A1 Communications channel testing arrangement
05/26/1994CA2148363A1 Communications channel testing arrangement
05/1993
05/19/1993EP0269716B1 LOOK AHEAD TERMINAL COUNTER and method for generating a terminal count output signal.
03/1993
03/03/1993EP0272288B1 Testable multi-mode counter network and method for operating its test.
11/1992
11/24/1992CA1310754C Optical character reader
01/1991
01/15/1991CA1279108C Look ahead terminal counter
01/15/1991CA1279107C Multi-mode counter network
12/1988
12/14/1988EP0294468A1 Digital receiver with dual references
08/1988
08/03/1988EP0135512B1 Improved method and means of determining coefficients for linear predictive coding
08/02/1988US4761801 Look ahead terminal counter
07/1988
07/14/1988WO1988005227A1 Digital receiver with dual references
07/13/1988CN87108294A Digital receiver with dual references
06/1988
06/29/1988EP0272288A1 Testable multi-mode counter network and method for operating its test.
05/1988
05/17/1988US4745630 Multi-mode counter network
05/17/1988US4745365 Digital receiver with dual references
01/1988
01/28/1988WO1987007968A3 Multi-mode counter network
12/1987
12/30/1987WO1987007992A1 Look ahead terminal counter
12/30/1987WO1987007968A2 Multi-mode counter network
12/30/1987CN87103247A Interface circuitry for communicating by means of messages
06/1985
06/10/1985EP0135512A4 Improved method and means of determining coefficients for linear predictive coding.
04/1985
04/03/1985EP0135512A1 Improved method and means of determining coefficients for linear predictive coding.
04/03/1985EP0054024B1 Subscriber line audio processing circuit apparatus
07/1984
07/19/1984WO1984002814A1 Improved method and means of determining coefficients for linear predictive coding
04/1984
04/03/1984CA1165029A1 Subscriber line audio processing circuit apparatus
05/1983
05/24/1983CA1147020A1 Apparatus and method for generating waveforms which are particularly suitable for a pwm-driven motor
01/1983
01/25/1983CA1140221A1 Self current limiting control circuitry for gated diode switches
12/1981
12/24/1981WO1981003728A1 Subscriber line audio processing circuit apparatus
09/1981
09/15/1981CA1109137A1 Acoustic encoding apparatus
08/1977
08/16/1977US4041616 Circuit design apparatus
01/1977
01/18/1977US4004242 Apparatus for supplying symmetrically limited bidirectional signal currents
12/1976
12/21/1976US3999086 Drive circuit for a controllable electronic switching element, for example, a power transistor
06/1976
06/29/1976US3967207 Amplifier with over-current protection
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