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Corporate Information
| Corporate Name | Hitachi Media Electronics Co., Ltd. |
|---|---|
| Address | Suit 807, Tower 1, The Gateway, 25 Canton Road, Tsimshatsui, Kln., Hong Kong. |
| TEL | +852-2111-3992 |
| FAX | +852-2110-9572 |
| Founded | 1994-7-4 |
| Business Overview | Manufacture and Sales of Picture and Information Device |
Major Products & Business Overview
Metal halide lamp type Power Supply for Liquid Crystal Projector.
Metal halide lamp lighting and stabilization device. (For use with 150W-300W)
Compact-type, Slim-type, High Quality Design. (Used Original High-voltage transformer)
Numerous internal protection circuits.
Power Supply for Plasma Display Panel
Power supply for 40inch plasma display panel.
Active filter circuit built-in. High harmonic current regulation cleared.
Numerous internal protection circuits.
Inverters for liquid crystal display
As our highly reliable in-house made inverter transformers and synchronized phase coupling transformers are adopted, our inverters are thin and highly efficient. Custom support for best matching all sorts of cold-cathode tubes is available.
High-voltage Transformers
Application : Copy Machine, Printer, Air Cleaner, etc.
Output Voltage : 2kV - 8kV
Drive Circuit : PWM, RCC
Output Circuit : High Voltage Resistor, Detection Resistor and High Voltage Capacitor are built-in.
Remarks : Compact, High Reliability
Step-up Transformer
Applications : Toner drums used in Copiers, Printers, etc.
Output Voltage : 1kV-3kV
Drive Circuit : PWM style, RCC style
Remarks : Compact, excellent in the dielectric strength and the humidity resistance.
Inverter Transformer
Application : PS for LC Cold Cathode Tube Displays, etc.
Output Voltage : 2800V (10W) MAX.
Drive Circuit : Inverter Circuit for lighting Backlight.
Remarks: Compact Slim Type, High Dielectric Resistant, Surface Mounting Type,
Leakage Method transformer does not need Ballast Capacitor.
The Slim Compact Core Structure of O-I and U-I Type is our utility model right.
(Utility Model Right No. : 2604103)
Switching Transformer
Application : Power Supplies for computers, or OA devices.
Output capacity : 300w MAX.
Drive Circuit : Forward converter system, Many semiconductors type converter system.
Remarks : Compact Slim Type, High Dielectric Resistant, Surface Mounting Type, Based on International Safety standards.
Igniter Transformer
Application : Power supply of lamps for Liquid Crystal Projector, a boiler, a GAS-range, etc.
Output Voltage : 18kVO-P (Out-put Pulse).
Remarks : Compact, High Reliability.
High-voltage Unit
Application : air-conditioners, air-cleaners, negative ionizers, deodorizing dust catcher, etc.
Output Voltage : -7kV MAX.
Drive Circuit : RCC system.
Remarks : Compact and high-efficiency, equipped with numerous protection circuits.
Saw Filter EGSM/DCS Dual Band Support.
Block Diagram
For EGSM/DCS Dual Band example
Internal block diagram (EGSM/DCS Rx port Balance output)
Saw Filter EGSM/DCS/PCS Triple Band Support
Block Diagram
For EGSM/DCS/PCS Triple Band example
Internal block diagram (EGSM/DCS/PCS Rx port Balance output)
Saw Filter GSM850/EGSM/DCS/PCS Quad Band
Block Diagram
For GSM850/EGSM/DCS/PCS Quad Band example
Internal block diagram (GSM850/EGSM/DCS/PCS Rx port Balance output)
GSM850-Rx and EGSM-Rx switching type
For WCDMA 2.1GHz
For WCDMA 2.1GHz
RF SAW filter for mobile phones
RF SAW filter for mobile phones
SAW Filters for Car Electronics
Used as the bandpass filter for IF and RF circuits in an electronic toll collection (ETC) system, Grobal Positioning System (GPS), and keyless entry system.