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Assignee: Nippon Electric Industry Co., Ltd.


Location: Tokyo, JP
No. of patents: 18

NumberTitleIssue Date
6061254Forward converter with active clamp circuit
A forward converter has provided in a primary circuit of a transformer (7) included therein an active clamp circuit comprising an auxiliary coil (9) provided separately from a primary coil (8) of the transformer (7), auxiliary switching element (2) and a ...
05/09/2000
6010070Code reading device and method with variable light signal storage time
In a method for optically reading a label carrying information recorded thereon using a charge coupled device, a storage time of an incident light signal in the charge coupled device is changed to effect proper reading. The light signal storage time is ch...
01/04/2000
5986908Magnetic-coupling multivibrator
A magnetic-coupling multivibrator has a rectification circuit including first and second smoothing capacitors connected at a capacitor common junction, the first smoothing capacitor providing a high potential output, the second smoothing capacitor providi...
11/16/1999
5940280Converter circuit of battery charger for electric vehicle
A battery charger converter circuit is disclosed in which a half-bridge rectifier circuit formed from two diodes, a half-bridge circuit formed from two switching elements, and a series circuit formed from two capacitors are connected at either end, respec...
08/17/1999
5903134Inductive battery charger
The present invention can be implemented in various forms. One of them is disclosed in which a secondary core of a secondary-side charge port to be provided at an electric vehicle side and into which a primary magnetic coupler provided at the battery char...
05/11/1999
5798630Switching power circuit to supply electric-vehicle battery charger with high-frequency power
A switching power circuit for battery charger, comprising a single-phase full-wave rectifier circuit formed of diodes, a half bridge circuit formed of first and second switching elements connected in series to each other via a diode; a reactor provided be...
08/25/1998
5592367Apparatus for non-contacting feeding of high frequency power
The apparatus for non-contacting feeding of a high frequency power according to the present invention comprises a double voltage full-wave rectifier circuit which converts an AC input into a DC output, Royer oscillation circuit consisting of FETs and whic...
01/07/1997
5268566Bar code label
A bar code label has a base in which recesses are engraved each in a predetermined shape corresponding to the information to be recorded. The base is protected by a coating of a non-magnetic material which prevents corrosion of the bar code label and allo...
12/07/1993
5262622Bar code reader
The bar code label according to the present invention can be washed, if stained with mud or dirt, to remove the stains and also it is not easily corroded by rust, thereby permitting to positively record and preserve information for a long term. Also the p...
11/16/1993
5245168Method for controlling bar code reading in bar code reader
A method for controlling bar code reading, by which a CCD shift pulse signal and a LED control signal are delivered from a bar code reading control circuit comprising a multiplexer, a counter, two monostable multivibrators and a plurality of logic circuit...
09/14/1993
5235169Bar code label and bar code reader
A bar code label can be washed, if stained with mud or dirt, to remove the stains and also it is not easily corroded by rust, thereby permitting positive recording and preservation of information for a long term. Also, a bar code reader incorporates a mag...
08/10/1993
5231275Bar code reader
A bar code reader has a permanent magnet, an MR device formed integrally with the permanent magnet and a head frame housing the permanent magnet and MR device. The head frame comprises an open casing having a cut at the front end thereof. An internal lead...
07/27/1993
4831580Program generator
A program generator automatically generates a program based on a flow-chart of a series of sequence control processes. The flow-chart is prepared while being displayed on the display area of a display means such as CRT, and when the flow-chart is complete...
05/16/1989
4818927Acceleration/deceleration control apparatus using slip speed
The acceleration/deceleration control apparatus using slip speed detects an angular frequency ωr corresponding to an execution speed of an induction motor and derives an angular frequency ωs corresponding to a slip speed corresponding to a slip speed in...
04/04/1989
4743773Bar code scanner with diffusion filter and plural linear light source arrays
The present invention provides a bar code scanner applicable for use to scan various bar codes of different standards and sizes. Any malfunction due to nonuniform illumination of the bar code or maloperation can be prevented, and also the light source may...
05/10/1988
4413373Pivot hinge with removable door closing device
A pivot hinge for supporting the top end of a door has a door closing device which is readily attached to, and removed from, the pivot hinge. A pivot shaft is fixed by a screw to a seat plate to be secured to a door frame and a door supporting plate is pi...
11/08/1983
4381089Wound-tape radius detection system for a tape recorder
A wound-tape radius detecting system for use in reel to reel audio and video tape decks includes first and second photoelectric devices which act as supply or take-up reel and tape transport tachometers, resepctively. The ratio of the pulses outputs of th...
04/26/1983
4325164Offset pivot hinges with door closing devices
A door closing device which is easily mounted on, and easily removed from, an offset pivot hinge. The door closing device has an outer sleeve, an inner member rotatably mounted in the outer sleeve and a coil spring having opposite ends thereof connected t...
04/20/1982
 
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