Innovations in fuel efficient cars

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Here you will find links to patents, patent applications, and non-patent literature for innovations in fuel-efficient cars and other vehicles. Subjects include engine technologies, hybrid engines, fuel systems, exhaust systems, electric motors, braking systems, and more.
Showing 24701-24800 of 45947 results
<< < Page: 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 > >>
No Document Title Date Score
24701
US 2004/0109242 A1
patent application
Optical element, optical lens, optical head apparatus, optical information apparatus, computer, optical information medium player, car navigation system, optical information medium recorder, and optical information medium server
An optical lens includes a hologram, a refractive lens, and a phase level difference. The hologram has a sawtooth shape grating having a sawtooth shape in...
10-Jun-2004
25%
24702
US 2003/0026726 A1
patent application
Wear resistant aluminum alloy elongate body, manufacturing method thereof and piston for car air conditioner
The wear resistant aluminum alloy elongate body contains 7-13 mass % of Si, 0.001-0.3 mass % of iron, 2.0-5.0 mass % of Cu, 0.3-1.0 mass % of Mg, 0.001-0.3 mass...
06-Feb-2003
25%
24703
US 7161890 B2
patent document
Optical head device and optical information device using this and computer optical disk player car navigation system optical disk recorder and optical disk server using this optical information device
Providing an objective lens with a large numerical aperture (NA), the present invention records or plays conventional optical disks such as CDs and DVDs at high...
09-Jan-2007
25%
24704
US 5126914
patent document
Current inverter for an incandescent lamp in a car radio
A lamp power control circuit for electric equipment which has a power supply, supplies power to incandescent lamps fitted to operating parts of electric...
30-Jun-1992
25%
24705
US 7178638 B2
patent document
Car door apparatus of elevator
A car door apparatus of an elevator includes a pair of door panels, a door drive device, and a door-opening mechanism. The pair of door panels open and close a...
20-Feb-2007
25%
24706
US 2009/0138901 A1
patent application
Optical pickup, optical element, optical information device, computer, optical information medium player, car navigation system, optical information medium recorder and optical disk server
An optical pickup includes: a laser light source which outputs an divergent beam having an elliptical far-field pattern; a beam shaping element having at least...
28-May-2009
25%
24707
US 7705561 B2
patent document
Car power source apparatus
The voltage detection circuit 3 is provided with an isolation transformer 4 having its primary side connected to battery 2 connection nodes 10, a switching...
27-Apr-2010
25%
24708
US D568185 S1
patent document
Arrangement of information areas for display screen of car navigation system 06-May-2008
25%
24709
CN 101319490 B
patent document
混合动力清扫车 [Hybrid cleaning car]
本发明是一种混合动力清扫车,其设有垃圾聚拢装置、清扫回收装置和动力装置;清扫回收装置包括清扫主体和回收箱(6),清扫主体由滚筒(2)、升降挡板(...
06-Oct-2010
25%
24710
CN 101239365
patent application
汽车传动轴波纹管成形设备 [Car drive shaft corrugated tube forming equipment]
汽车传动轴波纹管成形设备,其特征在于主机架安装于床身台面中间, 左、右支板相对而立,各支板相对面上均安装有平行滑轨,主机纵向对称安...
13-Aug-2008
25%
24711
EP 1486947 A2
patent application
A noise reduction apparatus in a car-mounted sound reproduction system
A noise reduction apparatus is capable of suppressing deterioration of an aural sensing level due to noise existing in a sound field. The apparatus...
15-Dec-2004
25%
24712
US 2007/0251666 A1
patent application
Wear resistant aluminum alloy elongate body, manufacturing method thereof and piston for car air conditioner
The wear resistant aluminum alloy elongate body contains 7-13 mass % of Si, 0.001-0.3 mass % of iron, 2.0-5.0 mass % of Cu, 0.3-1.0 mass % of Mg, 0.001-0.3 mass...
01-Nov-2007
25%
24713
US 2007/0263517 A1
patent application
Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server
A complex objective lens composed of a hologram and an objective lens, capable of realizing stable and high-precision compatible reproducing/recording of a BD...
15-Nov-2007
25%
24714
US 7618502 B2
patent document
Wear resistant aluminum alloy elongate body, manufacturing method thereof and piston for car air conditioner
The wear resistant aluminum alloy elongate body contains 7-13 mass % of Si, 0.001-0.3 mass % of iron, 2.0-5.0 mass % of Cu, 0.3-1.0 mass % of Mg, 0.001-0.3 mass...
17-Nov-2009
25%
24715
US 6598018 B1
patent document
Method for natural dialog interface to car devices
A computer-implemented method and apparatus for processing a spoken request from a user to control an automobile device. A speech recognizer recognizes a user's...
22-Jul-2003
25%
24716
CN 101239365 B
patent document
汽车传动轴波纹管成形设备 [Car drive shaft corrugated tube forming equipment]
汽车传动轴波纹管成形设备,其特征在于主机架安装于床身台面中间,左、右支板相对而立,各支板相对面上均安装有平行滑轨,主机架纵向对称安装两合模油缸,...
29-Sep-2010
25%
24717
US 4561410
patent document
Magneto ignition unit with control circuit potted together with the armature windings, for internal combustion engines
A cooling plate, the hybrid electronic circuit and a circuit board connection plate, are mounted flat at the bottom of a cup-shaped vessel with a reentrant tube...
31-Dec-1985
25%
24718
1802308
PRC translation
Elevator apparatus
A space-saved elevator apparatus enabling an increase in capacity by reducing the size of a hoist (9) and simplifying the overall structure thereof. The hoist...
12-Jul-2006
25%
24719
1723168
PRC translation
Elevator
An elevator apparatus wherein drive devices having drive sheaves are installed at the upper part of a hoistway. A return pulley is installed at the upper part...
18-Jan-2006
25%
24720
1765647
PRC translation
Wind energy collection sedan
The invention relates to a new energy saloon car, especially relating to a recycle wind power saloon car which can supply more clean energy with lower cost. The...
03-May-2006
25%
24721
CN 201151342 Y
patent document
带发动和发电一体化电机的多轴驱动混合动力汽车驱动系统 [Drive system of multi-axis driven mixed power automobile with integrated electric machinery of engine and generator]
本实用新型公开了一种带发动和发电一体化电机的多轴驱 动混合动力汽车驱动系统,它包括没有发电机和起动机的发动机...
19-Nov-2008
25%
24722
EP 1561917 A1
patent application
Dynamic exhaust system for advanced internal combustion engines
A dynamic exhaust system is capable of operating at high temperatures and provides a passive, temperature resistant valve for controlling reflection,...
10-Aug-2005
25%
24723
US 2005/0179207 A1
patent application
Compliant brush shroud assembly for gas turbine engine compressors
A brush shroud assembly for reducing the tip clearance between a rotating blade and an engine casing is disclosed. The assembly includes a plurality of bristle...
18-Aug-2005
25%
24724
US 4938814
patent document
High-performance propellant combinations for a rocket engine
Hybrid, high-performance propellant combinations for a rocket engine are described, characterized by being constituted by a combination of polyglycidyl axide...
03-Jul-1990
25%
24725
1273936
PRC translation
Elevator
The present invention provides an elevator. When a car and a hoisting machine are vertically projected on a horizontal plane, a reduction gear device and a...
22-Nov-2000
25%
24726
101035733
PRC translation
Elevator device
In an elevator device, first and second vertically movable bodies are suspended by a main rope and lifted and lowered in a hoistway by a drive device. The first...
12-Sep-2007
25%
24727
101356111
PRC translation
Elevator apparatus
The present invention provides an elevator. An elevator car is vertically movably placed in a hoistway. The car is suspended by a main rope body having a first...
28-Jan-2009
25%
24728
1468796
PRC translation
Elevator information reporting controller
To let passengers know the information and the state of the floor where a passenger intends to go by indicating the attribute corresponding to the floor when a...
21-Jan-2004
25%
24729
1295026
PRC translation
Elevator excessive speed protective equipment
An elevator overspeed protection apparatus includes a conductor which is set along the car driving direction in the elevator passage; a first magnetic path...
16-May-2001
25%
24730
1389387
PRC translation
Elevator shock-damping device
The invention provides a vibration-proofing device of an elevator having long-life, high reliability and favorable control performance by preventing collision...
08-Jan-2003
25%
24731
EP 2281730 A1
patent application
In-train information delivery service system, in-train information delivery method, and information display unit for passenger-carrying car
The purpose of the present invention is to provide an on-train information service system and a passenger train-use information displaying device, with which...
09-Feb-2011
25%
24732
101939797 A
PRC translation
Composite electric wire
Provided is a composite electric wire, which is intended to realize a light weight and improve a mechanical strength at the same time and which is enabled to...
05-Jan-2011
25%
24733
JP 63-173759 A
patent application
Electric power steering device
PURPOSE:To secure fail-safe by suppressing the heavy feeling in the steering wheel operation due to the trouble of an electric motor, by prohibiting the...
18-Jul-1988
25%
24734
EP 2224456 A1
patent application
Composite electric wire
Provided is a composite electric wire, which is intended to realize a light weight and improve a mechanical strength at the same time and which is enabled to...
01-Sep-2010
25%
24735
EP 1712395 A2
patent application
Device for temporary increase of the acceleration of a thermal engine and method of operation of said device
A vehicle with parallel hybrid electrical traction able to temporarily increase performance, with a reversible electric motor (ME) mechanically connected to the...
18-Oct-2006
25%
24736
US 5454222
patent document
Small gas turbine engine having enhanced fuel economy
A gas turbine engine ducted to have the air pass sequentially through a single stage axial-flow compressor, a single-stage hybrid axial-radial centrifugal...
03-Oct-1995
25%
24737
US 4700805
patent document
Muffler for exhaust gas from internal combustion engine
A muffler for exhaust gases of an internal combustion engine. The muffler is a hybrid consisting of gas expansion chambers defined by partitions in a muffler...
20-Oct-1987
25%
24738
CN 101483320
patent application
通用型红外控制电器控制箱 [General infrared controlled electric appliance control box]
一种以红外遥控为重要控制工作方式的通用型电器控制箱,包括; 三相电控制装置(1),用于遥控380V电力正,反向运行工作状态;220V控制...
15-Jul-2009
25%
24739
JP 61-275058 A
patent application
Electric motor power steering device
PURPOSE:To improve response performance when the steering is returned to the neutral position by controlling a controller based on both the input torque...
05-Dec-1986
25%
24740
CN 200939826 Y
patent document
一种双电机输出轴车桥总成 [Car axle assembly of dual-dynamo outputting axle]
一种双电机输出轴车桥总成,由电机(1)、电机套(2)、电机轴 (3)、电机连板(23)、减震簧(4)、电机固定螺栓(21)构成的电...
29-Aug-2007
25%
24741
EP 1372147 A2
patent application
Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder and optical disk server
A complex objective lens composed of a hologram (131) and an objective lens (141), capable of realizing stable and high-precision compatible...
17-Dec-2003
25%
24742
JP 60-92108 A
patent application
Operation controller for auxiliaries of car
PURPOSE: To prevent the waste of electric power due to the neglect of turning- OFF switch by constituting the captioned apparatus so that the noise wave of a...
23-May-1985
25%
24743
JP 2006-347257 A
patent application
Car-mounted communication system
PROBLEM TO BE SOLVED: To use an ECU commonly irrespective of different protocol etc. and reduce the burden of the ECU in processing. SOLUTION: A communication...
28-Dec-2006
25%
24744
JP 06-113407 A
patent application
Power source for energy regenerating system of railroad car
PURPOSE: To prevent deterioration in the regeneration efficiency of energy, acceleration of deterioration in a life of a battery even if a large current abrupt...
22-Apr-1994
25%
24745
JP 02-274612 A
patent application
Control device for car air-conditioning equipment
PURPOSE: To select the dehumidifying capacity in a control device in the title for use in a variable capacity compressor by allowing a means for removing a...
08-Nov-1990
25%
24746
US 2005/0069423 A1
patent application
Rotary compressor, and car air conditioner and heat pump type water heater using the compressor
An object is to provide a rotary compressor capable of reducing an oil discharge amount to the outside, and there is provided a vertical rotary compressor...
31-Mar-2005
25%
24747
US 2003/0227858 A1
patent application
Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server
A complex objective lens composed of a hologram and an objective lens, capable of realizing stable and high-precision compatible reproducing/recording of a BD...
11-Dec-2003
25%
24748
US 2007/0086310 A1
patent application
Optical head device and optical information apparatus using this optical head device, and computer, optical disk player, car navigation system, optical disk recorder and optical disk server using this optical information apparatus
Providing an objective lens with a large numerical aperture (NA), the present invention records or plays conventional optical disks such as CDs and DVDs at high...
19-Apr-2007
25%
24749
US 7171294 B2
patent document
On-vehicle video playback system and car navigation device
An on-vehicle device, which is connected to an external image taking device via the Internet so as to allow communication therebetween, includes a communication...
30-Jan-2007
25%
24750
101932520 A
PRC translation
Elevator device and method of testing the same
In an elevator apparatus, a car is suspended by suspension means on one side of a drive sheave. A counterweight is suspended by the suspension means on the...
29-Dec-2010
25%
24751
1942384
PRC translation
Elevator
In an elevator, multiple imaging devices are arranged so as to be spaced from each other in a height direction of a building. Each imaging device views a part...
04-Apr-2007
25%
24752
1997579
PRC translation
Annunciation device for elevator
An annunciation device for an elevator, where a car emergency button and a car speech communication device are provided in an elevator car, and where a landing...
11-Jul-2007
25%
24753
1741950
PRC translation
Elevator
An elevator not necessarily requiring an exclusive hoist even if the specifications of the elevator such as the capacity and speed of a car are changed,...
01-Mar-2006
25%
24754
1043906
PRC translation
Apparatus and method for controlling electrically-propelled vehicles
In an electric rolling stock which tracts non-powered cars in which the number and the weight of freight cars and passenger cars vary by a large margin, setting...
18-Jul-1990
25%
24755
CN 201078615 Y
patent document
一种机车信号八显灯光源组件 [Eight display light source module for car signal]
本实用新型涉及信号灯技术领域,特别是一种机车信号八显灯光 源组件。该信号灯光源组件包括LED灯头、灯体、金属插针、灯座、...
25-Jun-2008
25%
24756
CN 2919498 Y
patent document
一种用于电力机车的横置双断口真空断路器 [Widthwise positioned vacuum circuit breaker with two fracture for power car]
本实用新型公开了一种用于电力机车的横置双断口真空断路器,包括开 关体和上盖,开关体内部的中心有绝缘拉杆,在开关体的上方横向对称设置...
04-Jul-2007
25%
24757
US 6380638 B1
patent document
Hybrid propulsion for fuel-cell cars
The invention relates to a hybrid drive for an electric vehicle having a fuel cell, an energy store, an electric traction motor and electrical auxiliary loads....
30-Apr-2002
25%
24758
US 7498530 B2
patent document
Sensor assembly for tank cars
A sensor assembly, system and method for using a sensor assembly is disclosed making use of a sealed switch and an actuator that converts linear motion in a...
03-Mar-2009
25%
24759
US 2008/0074982 A1
patent application
Optical head device and optical information apparatus using this optical head device, and computer, optical disk player, car navigation system, optical disk recorder and optical disk server using this optical information apparatus
Providing an objective lens with a large numerical aperture (NA), the present invention records or plays conventional optical disks such as CDs and DVDs at high...
27-Mar-2008
25%
24760
CN 201300702 Y
patent document
一种发电机悬置支架 [Electric generator suspending bracket]
一种发电机悬置支架,包括发动机本体,发电机,皮带分别缠绕发电机的 转子和发动机,惰轮贴着皮带;其特征在于:所述的发动机本体上设有发电机...
02-Sep-2009
25%
24761
US 2010/0263911 A1
patent application
Composite electric wire
Provided is a composite electric wire, which is intended to realize a light weight and improve a mechanical strength at the same time and which is enabled to...
21-Oct-2010
25%
24762
US 4610329
patent document
Muffler for exhaust gas from internal combustion engine
A muffler for exhaust gases of an internal combustion engine. The muffler is a hybrid consisting of gas expansion chambers defined by partitions in a muffler...
09-Sep-1986
25%
24763
CN 2706359 Y
patent document
遥控电动广告车 [Remote controlled power advertisement car]
本实用新型属广告宣传机电装置技术领域。底盘后部设后轮驱动轴,其上紧固主动轮。驱动电机与后轮驱动轴减速传动连接。底盘前部两侧各设一从动方向轮。方向...
29-Jun-2005
25%
24764
US 5774830
patent document
Car navigation system
A navigation system includes a GPS receiver. Detection is made as to a number of GPS radio signals received by the GPS receiver. A display is operative for...
30-Jun-1998
25%
24765
EP 1592001 B1
patent document
Beam shaping lens, lens part, mounting plate, optical head, optical information recording and reproducing apparatus, computer, image recording and reproducing apparatus, image reproducing apparatus, server and car navigation system 22-Sep-2010
25%
24766
US 2005/0117497 A1
patent application
Optical element and optical head device using it and optical information device using this optical head device, and computer, optical disk player car navigation system, optical disk recorder and optical disk server using this optical information device
Providing an objective lens with a large numerical aperture (NA), the present invention records or plays conventional optical disks such as CDs and DVDs using...
02-Jun-2005
25%
24767
1263859
PRC translation
Elevator multiple control device
An elevator group control apparatus for controlling operations of an elevator system with multiple cars moving within a single elevator shaft with improved...
23-Aug-2000
25%
24768
101057107
PRC translation
Casing and its transporting method
A housing that can be easily carried into an elevator car and rotated even if the frontage of the car is narrow. In the housing (1), a first face dimension (A)...
17-Oct-2007
25%
24769
101500922
PRC translation
Position detection device for elevator
First and second target detection bodies arranged spaced apart from each other in the direction of movement of an elevator car are placed in either one of a...
05-Aug-2009
25%
24770
101228084
PRC translation
Vibrate absorber of elevator
A vibration reducing device for an elevator, in which an actuator for generating vibration damping force acting on an elevator car is placed in parallel to a...
23-Jul-2008
25%
24771
101277891
PRC translation
Small power elevator
A small power elevator system is installed in an elevator shaft of a building. The system includes a passenger or freight elevator car having an electronic...
01-Oct-2008
25%
24772
1263042
PRC translation
Elevator equipment
There is described an elevator system in which a hoist is provided on a car and which can be provided within a shaft corresponding to the height of the top...
16-Aug-2000
25%
24773
1787960
PRC translation
Elevator apparatus
An elevator apparatus, comprising a car body lifted in a hoistway while being guided by a guide rail, a car frame installed on the outside of the car body, a...
14-Jun-2006
25%
24774
1720189
PRC translation
Governor for elevator
A governor for an elevator, comprising an encoder (8) detecting a physical amount varying as the car (1) of the elevator is lifted and a first microcomputer (9)...
11-Jan-2006
25%
24775
101356109
PRC translation
Safety device for elevator
The present invention relates to a safety device for elevator. The elevator has: a car that can be raised and lowered inside a hoistway; a main rope that...
28-Jan-2009
25%
24776
US 2010/0263912 A1
patent application
Composite electric wire
Provided is a composite electric wire, which is intended to realize a light weight and improve a mechanical strength at the same time and which is enabled to...
21-Oct-2010
25%
24777
101939799 A
PRC translation
Composite electric wire
Provided is a composite electric wire, which is intended to realize a light weight and improve a mechanical strength at the same time and which is enabled to...
05-Jan-2011
25%
24778
101483320
PRC translation
General infrared controlled electric appliance control box
The present invention discloses a universal electric appliance control box taking infrared distant control as important control operational mode, which...
15-Jul-2009
25%
24779
EP 0659998 A2
patent application
Ignition apparatus for internal combustion engine
Provided is an ignition apparatus for internal combustion engines with higher reliability for the solder bonding parts. The ignition apparatus is composed...
28-Jun-1995
25%
24780
CN 201697479 U
patent document
电炉双向运动排烟管同步装置 [Synchronizer of double-directional moving exhaust pipe for electric stove]
本实用新型一种电炉双向运动排烟管同步装置,其包括排烟管、伺服减速机、回转轴、车轮、导轨,其进一步包括电动丝杆、伸缩支架、补偿滑块;所述排烟管由伸...
05-Jan-2011
25%
24781
CN 2543805 Y
patent document
驾驶室电动翻转器 [Driving cabin electric tipper]
一种驾驶室电动翻转器,是由电机(1)、液压泵(4)、液压油缸(11)及上托架(12)与下托架(10)所组成,其特征在于所述电机(1)与液压泵(4...
09-Apr-2003
25%
24782
EP 2224457 A1
patent application
Composite electric wire
Provided is a composite electric wire, which is intended to realize a light weight and improve a mechanical strength at the same time and which is enabled to...
01-Sep-2010
25%
24783
JP 09-112072 A
patent application
Electrocorrosion preventive device of steel pipe electric pole and its construction method
PROBLEM TO BE SOLVED: To prevent electrocorrosion of a steel pipe electric pole due to a stray current by inserting an insulating pipe having a bottom cover...
28-Apr-1997
25%
24784
101780908 A
PRC translation
Elevator device
The invention relates to an elevator device. In the elevator device, elevator car information can be obtained by a control device according to a master...
21-Jul-2010
25%
24785
1886320
PRC translation
Safety device of elevator
A safety device for an elevator, capable of reducing time required from the detection of an abnormality in the speed of an elevator car until the stop of the...
27-Dec-2006
25%
24786
US 5441127
patent document
Elevator control apparatus
An elevator control apparatus comprises a torque command generating device for generating a torque command, a converter device for supplying electric power to a...
15-Aug-1995
25%
24787
CN 2693517 Y
patent document
一种电动车的驱动轮毂 [Drive hub of electric vehicle]
本实用新型公开了一种电动车的驱动轮毂,包括电机、轮圈和辐条,辐条连接轮圈和电机,电机包括与轮轴固定在一起的内定子和与电机壳体固定一体的外转子,内...
20-Apr-2005
25%
24788
CN 2520589 Y
patent document
具有退卡机构的电连接器组件 [Electric connector assembly with trip mechanism]
本实用新型是关于一种具有退卡机构的电连接器组件,可堆叠组接电子卡连接器与智能卡连接器并对其进行退卡操作,其包括电子卡连接器、与电子卡连接器堆叠组...
13-Nov-2002
25%
24789
JP 2002-87296 A
patent application
Electric power steering control device
PROBLEM TO BE SOLVED: To provide an electric power steering control device having further improved safety by shortening a behavior unstable time until detection...
27-Mar-2002
25%
24790
EP 1062602 A1
patent application
Search engine using sales and revenue to weight search results 27-Dec-2000
25%
24791
US 6135066
patent document
Water-cooled four cycle engine
To provide a compact water-cooled four cycle engine suitable for a hybrid type power unit. The tension of a belt is increased by loosening bolts, turning an...
24-Oct-2000
25%
24792
US 6521170 B2
patent document
Revamping of a basic oxygen furnace installation to provide an electric furnace facility
An existing steel making installation having a basic oxygen furnace facility is converted to an electric arc furnace facility for refining steel by modifying...
18-Feb-2003
25%
24793
1784351
PRC translation
Emergency stop system of elevator
An emergency stop system of an elevator, wherein a governor rope moving in synchronism with the lifting of a car is wrapped around a governor sheave. An...
07-Jun-2006
25%
24794
1008466
PRC translation
Elevators systems
The elevator system comprises: a hoistway; an elevator car accommodated in the hoistway and movable in the vertical direction; a screw shaft vertically disposed...
11-Feb-1987
25%
24795
102112385 A
PRC translation
Cwt-less elevator
A CWT-less elevator is provided with a car (2) disposed inside a hoistway (1), a rope (3), one end of which is connected to the top of the car (2), the other...
29-Jun-2011
25%
24796
CN 101492034
patent application
一种车用蓄电池装置及其控制方法 [Car battery device and control method thereof]
本发明涉及一种车用蓄电池装置,该装置包括电容器,该电容器的两端与 电压监控单元的信号采样端相连接,电容器的两端或电压监控单元的信号采样...
29-Jul-2009
25%
24797
CN 101186182
patent application
铁路电力机车自动过分相装置及方法 [Railway power car automatic passing phase insulator device and method]
铁路电力机车自动过分相装置及方法,它涉及的是铁路电力机车过分 相的技术领域。它是为了解决现有机车人工手动过分相区时存在机车大幅...
28-May-2008
25%
24798
US 2009/0010142 A1
patent application
Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server
A complex objective lens composed of a hologram and an objective lens, capable of realizing stable and high-precision compatible reproducing/recording of a BD...
08-Jan-2009
25%
24799
US 2008/0267046 A1
patent application
Optical head device and optical information device using the same, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server
It is an object of the present invention to record to and reproduce different types of optical disks using light beams with different wavelengths. In an optical...
30-Oct-2008
25%
24800
US 6385540 B1
patent document
Method for detecting road position of car in multiformation road
The present invention provides a method for identifying a position of a vehicle on a multi-layer road, by which it is possible to judge whether the vehicle is...
07-May-2002
25%
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