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Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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| Number | Title | Issue Date |
| 7409158 | Large-capacity optical router using electric buffer A large-capacity optical router is disclosed that exchanges data traffic such as IP packets, Ethernet frames, etc., at high speed in units of optical frames. The large-capacity optical router uses an electric buffer including input ports, output ports, an add port f... | 08/05/2008 |
| 7366415 | Wavelength division multiplexing-passive optical network capable of integrating broadcast and communication services Disclosed is a wavelength division multiplexing-passive optical network (WDM-PON) that integrates broadcast and communication data, and transmit using WDM. An optical line terminal (OLT), connected to a broadcasting network and an Internet protocol (IP)-network, rec... | 04/29/2008 |
| 7330656 | Passive optical network employing code division multiple access A PON and a method of transmitting data employing different upstream and downstream transmission protocols are disclosed. The PON includes: a plurality of ONTs; WDM filters; an OLT receiving and transmitting optical signals to and from the ONTs and a higher network;... | 02/12/2008 |
| 7330650 | Bi-directional wavelength division multiplexing self-healing optical ring network A bi-directional wavelength division multiplexing self-healing optical ring network is disclosed, in which N optical signals are processed at both first and second ring network so that a protection switch mechanism is performed when a link failure occurs in any one ... | 02/12/2008 |
| 7298976 | Bi-directional optical cross-connect device Disclosed is an optical cross-connect device for communication between first and second optical networks communicating with each other using forward and backward optical signals each including of a plurality of channels. The device includes a first circulating part ... | 11/20/2007 |
| 7292784 | High speed optical routing apparatus and method A high speed optical routing apparatus and method, in which data traffic, such as an IP packet, an Ethernet frame, etc., is switched in an optical frame unit at a high speed. The apparatus is provided with a plurality of input and output ports, and with one add port... | 11/06/2007 |
| 7280754 | Two-fiber optical ring network Disclosed is a two-fiber optical ring network having a plurality of nodes linked by first and second fiber optic links, wherein each node comprises a first splitting section for splitting optical signals from optical signals traveling through the first fiber into th... | 10/09/2007 |
| 7280758 | Optical multi-ring network for burst data communication An optical multi-ring network for burst data communication is disclosed. The multi-ring network includes a plurality of optical single-ring networks having a plurality of optical add/drop routers connected with each other through fiber links, and a core optical rout... | 10/09/2007 |
| 7277639 | Bi-directional optical add/drop multiplexer for WDM optical networks Disclosed is a bi-directional optical add/drop multiplexer connected to an optical fiber for transmitting optical signals multiplexed in a wavelength division multiplexing optical network and which performs adding/dropping of the optical signals. The optical add/dro... | 10/02/2007 |
| 7272318 | Passive optical network employing multi-carrier code division multiple access A passive optical network (PON) for providing a large amount of data at high speed to subscribers is provided. In particular, a PON employing a multi-carrier CDMA in which a CDMA method is applied for an upstream signal is provided. The PON employing a multi-carrier... | 09/18/2007 |
| 7272311 | Optical ring network for burst data communication Disclosed is an optical ring network for burst data communication having a plurality of core nodes connected with each other through fiber links. Each core node comprises a demultiplexer for demultiplexing a received optical signal into a plurality of channels by wa... | 09/18/2007 |
| 7239808 | Subscriber interfacing device in communication-broadcasting convergence FTTH A subscriber interface device and method for transmitting a communication signal and a broadcasting signal to each subscriber in a communication-broadcasting convergence FTTH system. A subscriber interface, positioned in the ONU, modulates a first predetermined numb... | 07/03/2007 |
| 7228071 | Wavelength division multiplexing optical switching system Disclosed is a wavelength division multiplexing optical switching system, which is connected with a plurality of nodes of an optical network and supports communication between the nodes. The optical switching system includes a wavelength division demultiplexing unit... | 06/05/2007 |
| 7167302 | Gain-flattened wideband erbium-doped optical fiber amplifier A wideband erbium-doped optical fiber amplifier is disposed among an optical fiber through which a first and second band-band optical signals (for example, the C-band and L-band) are transmitted and forms a first optical path and a second optical path parallel to ea... | 01/23/2007 |
| 7133609 | Bidirectional WDM self-healing ring network A bidirectional WDM self-healing ring network is provided and includes an outer ring network and an inner network for processing N units of optical signals and for performing a protection switching by using the outer ring network when the inner ring network suffers ... | 11/07/2006 |
| 7123830 | WDM self-healing optical ring network A WDM bidirectional self-healing optical ring network is provided in which an outer ring network and an inner ring network can both handle N optical signals. The network includes a node; an optical add/drop multiplexer having a 1×N demultiplexer and a 1×N multiple... | 10/17/2006 |
| 7103241 | Optical switching device An optical switching device has a plurality of input ports, and a plurality of output ports, that uses only circulators and reflectors to perform optical switching. A plurality of circulators each having a plurality of ports while operating to output an optical sign... | 09/05/2006 |
| 7085498 | Apparatus for regenerating all-optical signal and method thereof Disclosed are an apparatus for regenerating a distorted optical signal through reamplification, regenerating, and retiming processes in an optical communication network and a method thereof. The apparatus includes an optical clock generation section for generating a... | 08/01/2006 |
| 7006723 | Optical add/drop multiplexer An optical add/drop multiplexer includes a multiplexing/demultiplexing unit having an input multiplexing port, an output multiplexing port and a plurality of demultiplexing ports each connected to a respective optical circulator. Each optical circulator includes a f... | 02/28/2006 |
