Methods and systems for introducing electromagnetic radiation into photonic crystals

KA Nelson, J Joannopoulos - US Patent 5,999,308, 1999 - Google Patents
The invention features a method for introducing electro magnetic (EM) radiation having a
frequency Within the photonic bandgap of a photonic crystal into a defect in the photonic …

Optical devices and methods of fabrication thereof

MDB Charlton, GJ Parker - US Patent 6,778,746, 2004 - Google Patents
An optical device includes a waveguide bounded by a region containing a photonic band
gap the properties of which determined the transfer characteristic of the waveguide. Such a …

Optical devices and methods of fabrication thereof

MDB Charlton, GJ Parker - US Patent 6,901,194, 2005 - Google Patents
An optical device includes a waveguide bounded by a region containing a photonic band
gap the properties of which determined the transfer characteristic of the waveguide. Such a …

Smart card interface

WM Beals - US Patent App. 29/525,632, 2019 - Google Patents
FIG. 1 is a perspective view of a smart card interface; FIG. 2 is a top plan view thereof; FIG. 3
is a bottom view thereof; FIG. 4 is a front elevation view thereof; FIG. 5 is a rear elevation …

Optical photonic band gap devices and methods of fabrication thereof

MDB Charlton, GJ Parker - US Patent 6,640,034, 2003 - Google Patents
An optical device includes a waveguide bounded by a region containing a photonic band
gap the properties of which determined the transfer characteristic of the waveguide. Such a …

Headset docking device

HS Bae - US Patent 6,542,757, 2003 - Google Patents
A headset docking device is connected to an audio device by a cord. When the headset is
placed in a headset dock, a reel activation button is depressed which instantaneously …

Electrochemical process for fabricating article exhibiting substantial three-dimensional order and resultant article

PVN Braun, ML Steigerwald, P Wiltzius - US Patent 6,409,907, 2002 - Google Patents
A structure, eg, a photonic band gap material, exhibiting substantial periodicity on a micron
scale is provided. Fabrication involves the steps of providing a template comprising a …

Photonic crystal waveguide arrays

KB Roberts - US Patent 6,175,671, 2001 - Google Patents
This invention relates to devices and Systems incorporat ing waveguide arrays, methods of
use of Such devices and Systems, and methods of manufacture thereof, and in par ticular …

Handset with a single transducer for handset and handsfree functionality

LE Hawker, AJ Van Schyndel, CM Forrester - US Patent 6,002,949, 1999 - Google Patents
A wireless terminal for personal communication systems is provided with handsfree and
handset receive modes of operation utilizing a single transducer. The transducer is mounted …

Noise-reduction systems and methods using photonic bandgap crystals

J Hector - US Patent 5,923,225, 1999 - Google Patents
2. Description of the Related Art Electrical noise is a ubiquitous phenomenon in electronic
devices and it typically sets a loWer bound on the sensitivity of electronic systems. Electrical …