|
|
Radio apparatus adapted to remove image components from local oscillating signals
OF THE INVENTION According to the radio apparatus shown in FIG. 1, an antenna 11 is coupled to an RF switch (TX/RX switch) 12 for switching the reception and ...
|
|
|
Digital data communication system featuring multi level asynchronous duplex operation
Accordingly, it is a broad object of the present invention to provide improved means and methods for transmitting and receiving a plurality of digital data signals on a ...
|
|
|
Optical frequency division multiplexing transmission system
Conventional systems in which the local frequency is controlled in such a manner as to maintain a predetermined intermediate frequency pose the problem that a failure to ...
|
|
|
Synchronization apparatus for an optical communications network
The apparatus includes the following elements: A signal input 52 connected to an optical fiber and for receiving an optical-type carrier wave. The carrier wave carries ...
|
|
|
Composition and method for improved ink jet printing performance
OF THE INVENTION It has unexpectedly been discovered that ink jet print quality on a surface sized paper or other surface treated substrate can be enhanced if the ...
|
|
|
Method of producing biaxially oriented tubular polyetheretherketone films
OF THE INVENTION The crystallinity of a crystalline film varies significantly depending on the rate of cooling following melt extrusion and it is known that a higher ...
|
|
|
Metal-film laminate resistant to delamination
OF THE INVENTION We have found a novel metal-film laminate structure exhibiting a substantial increase in peel strength between metal and film polymer surface when ...
|
|
|
High density ceramic BGA package and method for making same
The following invention related to solving the BGA joint reliability problem provides a solution that does not have the disadvantages mentioned above, gives the ability ...
|
|
|
Semiconductor device and semiconductor module
According to a first aspect of the present invention, a semiconductor device comprises first and second switching semiconductor elements which are connected in series ...
|
|
|
Method and apparatus for retrieving objects from the ground
The apparatus 20 of the present invention for retrieving objects from the ground includes a frame structure 22 including horizontal beams 24 and 26 spaced by transverse ...
|