| Patent Number |
Title Of Patent |
Date Issued |
| 7899420 |
Wireless transmission device in which transmission output is controlled in feedback control |
March 1, 2011 |
| A wireless transmission device includes a RF power amplification section for amplifying a transmit RF signal and outputting the amplified signal to a transmission antenna, a detector section, and a control section. The RF power amplification section includes a plurality of stages of |
| 7683712 |
Wireless frequency power amplifier, semiconductor device, and wireless frequency power amplifica |
March 23, 2010 |
| A differential amplifier circuit is connected to the input node and the output node of the final amplification stage through detection circuits. The signal level difference output from the differential amplifier circuit does not change even if the input power varies. Because a change |
| 7576612 |
Power amplifier |
August 18, 2009 |
| The present invention provides a power amplifier that includes the following: an RF operation transistor 3 having a base to which an RF signals is inputted, an emitter connected to the ground, and a collector connected to a power supply and a terminal for outputting an RF signal; a c |
| 4358474 |
Method for electric recording |
November 9, 1982 |
| An electric recording material comprising(A) a semiconductive resin layer comprising a resin matrix and a conductivity-imparting agent dispersed therein and having a surface resistance of more than 1 ohm to less than 10.sup.5 ohms,(B) a metal-containing resin layer comprising a resin matrix |
| 4308314 |
Electric recording material |
December 29, 1981 |
| An electric recording material comprising(A) a semiconductive resin layer comprising a resin matrix and a conductivity-imparting agent dispersed therein and having a surface resistance of more than 1 ohm to less than 10.sup.5 ohms,(B) a metal-containing resin layer comprising a resin matrix |
| 4105449 |
Extruded electrophotographic recording material |
August 8, 1978 |
| An electrophotographic recording material formed by extrusion, which comprises (A) 100 parts by weight of a blended composition of olefins having high and low melt indices in a specified weight ratio, (B) 0.025 to 40 parts by weight of a specified light-sensitizing organic compound, (C) |
