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electricity (35) 35
electric communication technique (25) 25
pictorial communication, e.g. television (25) 25
blasting (15) 15
heating (15) 15
lighting (15) 15
mechanical engineering (15) 15
weapons (15) 15
basic electronic circuitry (12) 12
performing operations (12) 12
transporting (12) 12
engine plants in general (11) 11
machines or engines in general (11) 11
steam engines (11) 11
information storage (8) 8
information storage based on relative movement between recordcarrier and transducer (8) 8
physics (8) 8
vehicles in general (8) 8
arrangements or adaptations of heating, cooling, ventilating,or other air-treating devices specially for passenger or goodsspaces of vehicles (7) 7
cyclically operating valves for machines or engines (7) 7
automatic control, starting, synchronisation, or stabilisationof generators of electronic oscillations or pulses (4) 4
general tagging of cross-sectional technologies spanning over several sections of the ipc (4) 4
general tagging of new technological developments (4) 4
physical or chemical processes or apparatus in general (4) 4
separation (4) 4
technical subjects covered by former uspc cross-reference art collections [xracs] and digests (4) 4
technologies or applications for mitigation or adaptation againstclimate change (4) 4
amplifiers (3) 3
basic electric elements (3) 3
climate change mitigation technologies related totransportation (3) 3
gas-flow silencers or exhaust apparatus for internalcombustion engines (3) 3
gas-flow silencers or exhaust apparatus for machines orengines in general (3) 3
pulse technique (3) 3
air-conditioning, air-humidification, ventilation, use of aircurrents for screening (2) 2
bearings (2) 2
buddhism (2) 2
crankcase ventilating (2) 2
electric equipment or propulsion of electrically-propelledvehicles (2) 2
electric solid state devices not otherwise provided for (2) 2
electrodynamic brake systems for vehicles, in general (2) 2
elements or crankshaft mechanisms (2) 2
engineering elements and units (2) 2
flexible shafts (2) 2
folklore (2) 2
general measures for producing and maintaining effectivefunctioning of machines or installations (2) 2
human necessities (2) 2
impedance networks, e.g. resonant circuits (2) 2
lubricating internal combustion engines (2) 2
lubricating of machines or engines in general (2) 2
magnetic suspension or levitation for vehicles (2) 2
ranges (2) 2
resonators (2) 2
rotary bodies other than gearing elements (2) 2
semiconductor devices (2) 2
shafts (2) 2
thermal insulation in general (2) 2
ventilating (2) 2
absorption (1) 1
adult (1) 1
aged (1) 1
alkali (1) 1
analysis (1) 1
angiotensin (1) 1
antihypertensive agents - therapeutic use (1) 1
arrangement or mounting of plural diverse prime-movers invehicles (1) 1
arrangement or mounting of propulsion units or oftransmissions in vehicles (1) 1
arrangements in connection with cooling, air intake, gasexhaust or fuel supply of propulsion units, in vehicles (1) 1
auxiliary drives for vehicles (1) 1
beds (1) 1
blood pressure (1) 1
body details or kinds of railway vehicles (1) 1
cardiovascular-disease (1) 1
centers (1) 1
cerebral infarction (1) 1
cerebral infarction - complications (1) 1
chairs (1) 1
childrens picture books (1) 1
chronic kidney disease (1) 1
clinical epidemiology (1) 1
clinical nephrology (1) 1
coffee mills (1) 1
cold rooms (1) 1
combined heating and refrigeration systems (1) 1
combustion engines (1) 1
combustion engines in general (1) 1
conjoint control of vehicle sub-units of different type ordifferent function (1) 1
control of amplification (1) 1
control systems specially adapted for hybrid vehicles (1) 1
conversion or distribution of electric power (1) 1
cooling of internal-combustion engines (1) 1
cooling of machines or engines in general (1) 1
cooling or freezing apparatus not covered by any othersubclass (1) 1
criticism and interpretation (1) 1
cross-sectional studies (1) 1
crystals (1) 1
datsueba (1) 1
dependence (1) 1
devices using stimulated emission (1) 1
diagnosis (1) 1
domestic articles or appliances (1) 1
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07/2003, 7
PROBLEM TO BE SOLVED: To prevent an AC current from flowing though a power source line and a grounding line (ground) in an emitter follower circuit, in which a... 
AMPLIFIERS | ELECTRICITY | BASIC ELECTRONIC CIRCUITRY
Patent
02/1998, 6
PROBLEM TO BE SOLVED: To discriminate the system of a received color signal with high accuracy in a VTR of the PAL or SECAM system. SOLUTION: An output of an... 
ELECTRIC COMMUNICATION TECHNIQUE | PICTORIAL COMMUNICATION, e.g. TELEVISION | ELECTRICITY
Patent
02/2004, 7
PROBLEM TO BE SOLVED: To solve a question that output impedance of a conventional high speed switch circuit is high, size of a transistor must be large for... 
AMPLIFIERS | ELECTRICITY | BASIC ELECTRONIC CIRCUITRY | PULSE TECHNIQUE
Patent
03/2002, 7
PROBLEM TO BE SOLVED: To provide a wobble signal detecting circuit capable of coping with the CAV reproduction of an optical disk without inputting a control... 
INFORMATION STORAGE | PHYSICS | INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
Patent
03/1994, 5
PURPOSE:To obtain a reproduced chrominance signal that is multiplied with a low band converted chrominance signal A and passed through a BPF for improvement... 
ELECTRIC COMMUNICATION TECHNIQUE | PICTORIAL COMMUNICATION, e.g. TELEVISION | ELECTRICITY | BASIC ELECTRONIC CIRCUITRY | AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
Patent
Journal of the Physical Society of Japan, ISSN 0031-9015, 1987, Volume 56, Issue 10, pp. 3715 - 3725
Absorption, luminescence and excitation spectra of LiI crystals have been observed in a wide temperature range. Being extremely hygroscopic, LiI crystals were... 
ALKALI | PHYSICS, MULTIDISCIPLINARY | ENERGY-BANDS | STABILITY | IODIDE | OPTICAL-PROPERTIES | CRYSTALS | ABSORPTION | SPECTRA | CENTERS | DEPENDENCE
Journal Article
01/1988
PURPOSE:To simplify the change in frequency characteristic of a filter having low noises with to a chroma signal by adding an addition circuit which adds the... 
ELECTRIC COMMUNICATION TECHNIQUE | PICTORIAL COMMUNICATION, e.g. TELEVISION | ELECTRICITY
Patent
03/1986
PURPOSE:To attain the two-way directivity of a signal by connecting an input side and a output side respectively to anodes of diodes and connecting cathodes of... 
ELECTRICITY | BASIC ELECTRONIC CIRCUITRY | PULSE TECHNIQUE
Patent
05/2004, 7
PROBLEM TO BE SOLVED: To switch laser power at a high speed during transfer from a reproduction mode to a writing mode in an optical disk driving device which... 
INFORMATION STORAGE | BASIC ELECTRIC ELEMENTS | DEVICES USING STIMULATED EMISSION | PHYSICS | ELECTRICITY | INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
Patent
04/2005, 7
PROBLEM TO BE SOLVED: To downsize and simplify a cooling system for a hybrid vehicle, while securing enough and sufficient cooling capacity. SOLUTION: The... 
MECHANICAL ENGINEERING | COOLING OF MACHINES OR ENGINES IN GENERAL | WEAPONS | CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION | ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES | LIGHTING | GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC | TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE | CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION | AUXILIARY DRIVES FOR VEHICLES | ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES | STEAM ENGINES | MACHINES OR ENGINES IN GENERAL | TRANSPORTING | VEHICLES IN GENERAL | BLASTING | ENGINE PLANTS IN GENERAL | ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL | HEATING | GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS | ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT | TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS | ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES | CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES | COOLING OF INTERNAL-COMBUSTION ENGINES | ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES | INSTRUMENTATION OR DASHBOARDS FOR VEHICLES | MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES | PERFORMING OPERATIONS
Patent
06/2007
In an optical disk device, an output terminal is connected to an optical pickup, and a preceding sub-beam returning light signal which is electrical signal... 
INFORMATION STORAGE | PHYSICS | INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
Patent
02/1990
PURPOSE:To improve the frequency characteristic of gain and a phase considerably in a reproduced chrominance signal by using the reproduced chrominance signal... 
ELECTRIC COMMUNICATION TECHNIQUE | PICTORIAL COMMUNICATION, e.g. TELEVISION | ELECTRICITY
Patent
01/1990
PURPOSE:To simplify circuit by multiplying a signal switched reversely in the rotary direction with a color signal so as to obtain a low frequency conversion... 
ELECTRIC COMMUNICATION TECHNIQUE | PICTORIAL COMMUNICATION, e.g. TELEVISION | ELECTRICITY
Patent
11/1989
PURPOSE:To eliminate need for an expensive band pass filter by adding outputs of a 1st multiplier multiplying a low frequency chroma signal and a carrier... 
ELECTRIC COMMUNICATION TECHNIQUE | PICTORIAL COMMUNICATION, e.g. TELEVISION | ELECTRICITY
Patent
11/1989
PURPOSE:To form a synchronizing signal in a luminance signal and a synchronizing pulse signal with a small time difference by synthesizing the synchronizing... 
ELECTRIC COMMUNICATION TECHNIQUE | PICTORIAL COMMUNICATION, e.g. TELEVISION | ELECTRICITY
Patent
11/1989
PURPOSE:To improve PLL loop(phase locked loop) characteristic in a color signal processing and to widen the band of a reproduced color signal by adding output... 
ELECTRIC COMMUNICATION TECHNIQUE | PICTORIAL COMMUNICATION, e.g. TELEVISION | ELECTRICITY
Patent
04/2006
In an optical disk device, an output terminal is connected to an optical pickup, and a preceding sub-beam returning light signal which is electrical signal... 
INFORMATION STORAGE | PHYSICS | INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
Patent
03/2006
PROBLEM TO BE SOLVED: To suppress the disturbance of tracking control even when a defective part such as a failure at an optical disk manufacturing stage is... 
INFORMATION STORAGE | PHYSICS | INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
Patent
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