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each output circuit comprising more than one controlled bipolar transistor
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CPC
H03K17/662
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Parent Industries
H
ELECTRICITY
H03
Electronic circuits
H03K
PULSE TECHNIQUE
H03K17/00
Electronic switching or gating
Current Industry
H03K17/662
each output circuit comprising more than one controlled bipolar transistor
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Patents Grants
last 30 patents
Information
Patent Grant
Method for detection of the presence of a load and drive circuit
Patent number
7,812,590
Issue date
Oct 12, 2010
Infineon Technologies AG
Martin Kaltenegger
G01 - MEASURING TESTING
Information
Patent Grant
Driving circuit for an emitter-switching configuration of transistors
Patent number
7,649,401
Issue date
Jan 19, 2010
STMicroelectronics S.r.l.
Rosario Scollo
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Low power output driver
Patent number
7,098,700
Issue date
Aug 29, 2006
TelASIC Communications, Inc.
Nanci Martinez
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Controlled current undershoot circuit
Patent number
6,400,190
Issue date
Jun 4, 2002
Texas Instruments Incorporated
David K. Lacombe
G11 - INFORMATION STORAGE
Information
Patent Grant
Method of driving power circuit and circuit therefor
Patent number
6,380,771
Issue date
Apr 30, 2002
Rohm Co., Ltd.
Eiji Nakagawa
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Enhanced voltage drive circuit for HDD write driver
Patent number
6,373,298
Issue date
Apr 16, 2002
Texas Instruments Incorporated
Patrick Teterud
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Recording apparatus provided with a write driver circuit
Patent number
6,324,028
Issue date
Nov 27, 2001
U.S. Philips Corporation
Joao N. V. L. Ramalho
G11 - INFORMATION STORAGE
Information
Patent Grant
Programmable damping for write circuits
Patent number
6,246,269
Issue date
Jun 12, 2001
Agere Systems Guardian Corp.
John A. Schuler
G11 - INFORMATION STORAGE
Information
Patent Grant
Write current driving circuit
Patent number
6,201,421
Issue date
Mar 13, 2001
Mitsubishi Denki Kabushiki Kaisha
Toru Takeuchi
G11 - INFORMATION STORAGE
Information
Patent Grant
Write driver circuit having enhanced switching control circuitry
Patent number
6,184,727
Issue date
Feb 6, 2001
Lucent Technologies Inc.
John J. Price
G11 - INFORMATION STORAGE
Information
Patent Grant
Breakdown voltage compensation circuit for write driver transistors
Patent number
6,133,768
Issue date
Oct 17, 2000
Lucent Technologies Inc.
John J. Price
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Low power class AB unity gain buffer circuit
Patent number
6,124,740
Issue date
Sep 26, 2000
Ericsson Inc.
Nikolaus Klemmer
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Power amplifier and nuclear spin tomography apparatus employing same
Patent number
6,111,458
Issue date
Aug 29, 2000
Siemens Aktiengesellschaft
Karl-Heinz Ideler
G01 - MEASURING TESTING
Information
Patent Grant
Output high voltage clamped circuit for low voltage differential sw...
Patent number
6,005,438
Issue date
Dec 21, 1999
National Semiconductor Corporation
Peter Shing
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Write driver with buffer circuits between pull-up resistors and upp...
Patent number
5,894,237
Issue date
Apr 13, 1999
VTC Inc.
Craig M. Brannon
G11 - INFORMATION STORAGE
Information
Patent Grant
Push-and-pull driver circuit for driving an H-bridge coupled to a t...
Patent number
5,781,046
Issue date
Jul 14, 1998
VTC, Inc.
Tuan V. Ngo
G11 - INFORMATION STORAGE
Information
Patent Grant
Common-gate pre-driver for disc drive write circuit
Patent number
5,757,215
Issue date
May 26, 1998
VTC Inc.
Robert John Schuelke
G11 - INFORMATION STORAGE
Information
Patent Grant
Predriver for fast current switching through a two-terminal inducti...
Patent number
5,751,171
Issue date
May 12, 1998
VTC Inc.
Tuan V. Ngo
G11 - INFORMATION STORAGE
Information
Patent Grant
Differential high speed inductive driver with a bidirectional curre...
Patent number
5,696,460
Issue date
Dec 9, 1997
SGS-Thomson Microelectronics, Inc.
Scott Warren Cameron
G11 - INFORMATION STORAGE
Information
Patent Grant
Direct current actuator control system using pulse-width modulation...
Patent number
5,666,035
Issue date
Sep 9, 1997
Commissariat a l'Energie Atomique
Alain Basire
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Write driver circuit
Patent number
5,638,012
Issue date
Jun 10, 1997
Hitachi, Ltd.
Takashi Hashimoto
G11 - INFORMATION STORAGE
Information
Patent Grant
Differential high speed inductive driver with a bidirectional curre...
Patent number
5,546,030
Issue date
Aug 13, 1996
SGS-Thomson Microelectronics, Inc.
Scott W. Cameron
G11 - INFORMATION STORAGE
Information
Patent Grant
Low distortion memory write current head drive
Patent number
5,539,342
Issue date
Jul 23, 1996
International Business Machines Corporation
John E. Gersbach
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording system for compensating leakage flux
Patent number
5,502,693
Issue date
Mar 26, 1996
Nippon Steel Corporation
Ricardo M. Okamoto
G11 - INFORMATION STORAGE
Information
Patent Grant
High speed driving circuit for magnetic head effective against flyb...
Patent number
5,379,208
Issue date
Jan 3, 1995
NEC Corporation
Eiji Shinozaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Self switching head damping
Patent number
5,363,249
Issue date
Nov 8, 1994
Silicon Systems, Inc.
Michael Fitzmorris
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head driving circuit with delay elements between the switc...
Patent number
5,333,081
Issue date
Jul 26, 1994
NEC Corporation
Kazuo Mitsui
G11 - INFORMATION STORAGE
Information
Patent Grant
Bipolar H write driver
Patent number
5,291,069
Issue date
Mar 1, 1994
International Business Machines Corporation
Gary F. Gooding
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Magneto-optical recording circuitry for reversing a magnetic field
Patent number
5,278,818
Issue date
Jan 11, 1994
Deutsche Thomson-Brandt GmbH
Friedhelm Zucker
G11 - INFORMATION STORAGE
Information
Patent Grant
Circuit arrangement for reversing a magnetic field
Patent number
5,220,467
Issue date
Jun 15, 1993
Deutsche Thomson-Brandt GmbH
Friedhelm Zucker
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Method for detection of the presence of a load and drive circuit
Publication number
20090072809
Publication date
Mar 19, 2009
INFINEON TECHNOLOGIES AG
Martin Kaltenegger
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DRIVING CIRCUIT FOR AN EMITTER-SWITCHING CONFIGURATION OF TRANSISTORS
Publication number
20080180158
Publication date
Jul 31, 2008
STMicroelectronics S.r.l.
Rosario Scollo
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Low power output driver
Publication number
20050127955
Publication date
Jun 16, 2005
Nanci Martinez
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Impedance-matched write driver circuit and system using same
Publication number
20040120065
Publication date
Jun 24, 2004
Hiroshi Takeuchi
H03 - BASIC ELECTRONIC CIRCUITRY