Sawtooth or ramp waveform generator

Industry

CPC
Y10S388/915

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Parent Industries

YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10USPC classification Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10S388/00Electricity: motor control systems

Current Industry

Y10S388/915Sawtooth or ramp waveform generator

Industries

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for controlling rotational speed of motor
- Patent number 6,810,202
- Issue date Oct 26, 2004
- Prolific Technology, Inc.
- Chia-Chang Hsu
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Fan motor driving circuit
- Patent number 6,703,803
- Issue date Mar 9, 2004
- Japan Servo Co. Ltd.
- Shoji Ohiwa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Speed control circuit of a direct current motor
- Patent number 6,353,705
- Issue date Mar 5, 2002
- Makita Corporation
- John Capps
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Steering control system for vehicle
- Patent number 6,072,293
- Issue date Jun 6, 2000
- Honda Giken Kogyo Kabushiki Kaisha
- Yasuo Shimizu
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Recovery of the propagation delay in a PWM circuit
- Patent number 5,852,632
- Issue date Dec 22, 1998
- Consorzio Per La Ricerca Sulla Microelectronica Nel Mezzorgiorno
- Salvatore V. Capici
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Blower system for vehicle air-conditioners
- Patent number 5,554,913
- Issue date Sep 10, 1996
- Zexel Corporation
- Hiroshi Ohsawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Device for speed stabilization of a motor employing phase comparison
- Patent number 5,375,186
- Issue date Dec 20, 1994
- Linotype-Hell AG
- Gerd Schuettpelz
- G01 - MEASURING TESTING
Information Patent Grant
Direct current power control circuit for use in conjunction with re...
- Patent number 5,267,344
- Issue date Nov 30, 1993
- DAX Industries, Inc.
- James C. Nelson
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Constant current driving system for a stepper motor in rotating disk
- Patent number 5,260,634
- Issue date Nov 9, 1993
- TEAC Corporation
- Hiroshi Tsuyuguchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for DC motor speed control
- Patent number 5,261,025
- Issue date Nov 9, 1993
- Curtis Instruments, Inc.
- Stephen F. Post
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Direct current power control circuit
- Patent number 5,179,621
- Issue date Jan 12, 1993
- DAX Industries, Inc.
- James C. Nelson
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Error signal detection circuit in a servo control device
- Patent number 5,046,123
- Issue date Sep 3, 1991
- Yamaha Corporation
- Mamoru Horino
- G11 - INFORMATION STORAGE
Information Patent Grant
Battery powered motor speed control apparatus
- Patent number 5,040,235
- Issue date Aug 13, 1991
- Mitsubishi Denki Kabushiki Kaisha
- Hideto Miyazaki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Direct current power control circuit
- Patent number 5,029,229
- Issue date Jul 2, 1991
- DAX Industries, Inc.
- James C. Nelson
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Motor control circuit
- Patent number 4,990,002
- Issue date Feb 5, 1991
- Ametek, Inc.
- Alan P. French
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Control circuit for a permanent magnet or constant excitation direc...
- Patent number 4,965,848
- Issue date Oct 23, 1990
- Whirlpool International B.V.
- Enrico Vasconi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor rotation speed controlling apparatus
- Patent number 4,949,393
- Issue date Aug 14, 1990
- Omron Tateisi Electronics Co.
- Koji Ohmori
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Circuit arrangement for the timed control of semiconductor switches
- Patent number 4,901,366
- Issue date Feb 13, 1990
- VDO Adolf Schindling AG
- Michael Rottger
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Motor speed control apparatus
- Patent number 4,871,952
- Issue date Oct 3, 1989
- Jidosha Kiki Co., Ltd.
- Kouichi Ishizaka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Speed control apparatus for motor
- Patent number 4,845,412
- Issue date Jul 4, 1989
- Alps Electric Co., Ltd.
- Akira Ichihara
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Phase locked motor control system for multiple disk drive units
- Patent number 4,843,288
- Issue date Jun 27, 1989
- Rigidyne Corporation
- Le Roy A. Volz
- G11 - INFORMATION STORAGE
Information Patent Grant
D. C. power controller
- Patent number 4,841,165
- Issue date Jun 20, 1989
- Heinmiller; Wesley H.
- Gary L. Bowles
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Current limiting control circuit for d.c. motors
- Patent number 4,839,570
- Issue date Jun 13, 1989
- KB Electronics Inc.
- Abraham Saganovsky
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Two speed motor controller
- Patent number 4,831,313
- Issue date May 16, 1989
- Lennox Industries, Inc.
- Robert C. Beilfuss
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Continuous flow type homogenizer
- Patent number 4,828,395
- Issue date May 9, 1989
- Yamato Scientific Company, Limited
- Tatsuhiko Saito
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Digital servo system for motor driven apparatus
- Patent number 4,827,201
- Issue date May 2, 1989
- Kabushiki Kaisha Toshiba
- Kenji Ito
- G11 - INFORMATION STORAGE
Information Patent Grant
Pulse-width modulation drive circuit
- Patent number 4,823,056
- Issue date Apr 18, 1989
- Pioneer Electronic Corporation
- Yoshihiko Watanabe
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Variable speed motor control method and apparatus
- Patent number 4,816,723
- Issue date Mar 28, 1989
- Sony Corporation
- Michael B. Shields
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Charge balancing current sampler for a digital motor control
- Patent number 4,804,895
- Issue date Feb 14, 1989
- Allen-Bradley Company, Inc.
- John D. Miskin
- G01 - MEASURING TESTING
Information Patent Grant
Motor rotation servo control apparatus
- Patent number 4,804,894
- Issue date Feb 14, 1989
- Sony Corporation
- Yukihiko Machida
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Apparatus for controlling rotational speed of motor
- Publication number 20040052510
- Publication date Mar 18, 2004
- Chia-Chang Hsu
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
Fan motor driving circuit
- Publication number 20030155886
- Publication date Aug 21, 2003
- Japan Servo Co., Ltd.
- Shoji Ohiwa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Sawtooth or ramp waveform generator

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Apparatus for controlling rotational speed of motor

Fan motor driving circuit

Speed control circuit of a direct current motor

Steering control system for vehicle

Recovery of the propagation delay in a PWM circuit

Blower system for vehicle air-conditioners

Device for speed stabilization of a motor employing phase comparison

Direct current power control circuit for use in conjunction with re...

Constant current driving system for a stepper motor in rotating disk

Method and apparatus for DC motor speed control

Direct current power control circuit

Error signal detection circuit in a servo control device

Battery powered motor speed control apparatus

Direct current power control circuit

Motor control circuit

Control circuit for a permanent magnet or constant excitation direc...

Motor rotation speed controlling apparatus

Circuit arrangement for the timed control of semiconductor switches

Motor speed control apparatus

Speed control apparatus for motor

Phase locked motor control system for multiple disk drive units

D. C. power controller

Current limiting control circuit for d.c. motors

Two speed motor controller

Continuous flow type homogenizer

Digital servo system for motor driven apparatus

Pulse-width modulation drive circuit

Variable speed motor control method and apparatus

Charge balancing current sampler for a digital motor control

Motor rotation servo control apparatus

Patents Applicationslast 30 patents

Apparatus for controlling rotational speed of motor

Fan motor driving circuit