Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 7689122 | Polarity-insensitive signal detect circuit for use with any signal sequence A signal detect circuit includes a signal strength measuring differential output linear amplifier. A positive peak detection circuit is coupled to the positive output terminal of the linear amplifier and generates a signal that represents a peak magnitude of a signa... | 03/30/2010 |
| 7295780 | Apparatus for detecting peaks of wavelength-division-multiplexed light, and apparatus for controlling said light Disclosed is an apparatus for controlling wavelength-division-multiplexed light wherein overall power of wavelength-division-multiplexed light is rendered constant through control for uniformalizing the level of only one wave of maximum power, and wherein the levels... | 11/13/2007 |
| 7133616 | Wavelength-selective routing using an optical add/drop architecture A wavelength-selective routing capability is provided in a single network element by configuring the network element using a combination of add/drop network elements to route individual optical channels of WDM signals among a plurality of optical transmission paths ... | 11/07/2006 |
| 7130544 | Optical repeating system and optical amplifying repeater control method An optical repeating system includes an optical transmitter and an optical amplifying repeater. The optical transmitter transmits a supervisory command and a control command to the optical amplifying repeater as a first sub-signal. The supervisory command is a comma... | 10/31/2006 |
| 7079779 | Repeater apparatus, communication equipment, communication system thereof and repeating method A repeater apparatus (1001) is constituted from infrared transmitter sections (1s, 2s, 3s) and infrared receiver sections (1r, 2r, 3r) as well as connection control sections (... | 07/18/2006 |
| 6810215 | Optical repeater converting wavelength and bit rate between networks An optical repeater which includes a wavelength converter and a bit rate converter. The wavelength converter converts a wavelength of an optical signal from a first optical network to a wavelength of a second optical network. The bit rate converter converts a bit ra... | 10/26/2004 |
| 5771111 | Optical network Disclosed is an optical network which has a plurality of subordinate optical networks, each of which being connected with a plurality of optical terminals which function as a transmitter and a receiver of a signal light, wherein multiplexing of transmissi... | 06/23/1998 |
| 5457557 | Low cost optical fiber RF signal distribution system A fiber optic RF signal distribution system has a plurality of antenna stations, each station including an RF antenna. A central RF signal distribution hub receives and transmits signals external to the system. A pair of optical fibers connects each anten... | 10/10/1995 |
| 5341232 | Star-shaped network for data communication between stations The invention concerns a process for data transmission between stations in a star-shaped network in which star couplers are arranged at the branches of the network. The active, asymmetrical star coupler used in the network transmit flows of signals receiv... | 08/23/1994 |
| 5007699 | Fiber optic reflective tree architecture The fiber optic network of the present invention is within a structure having a plurality of bulkheads. The network comprises a plurality of terminal groups, each terminal group having at least one terminal. The network includes a reflective star coupler ... | 04/16/1991 |
| 4832434 | Network comprising a multitude of optical signal transmission lines connectible to one another via optical mixers For the purpose of expanding the connection capacities of optical mixers in order to form a large network, series connections of such optical mixers are provided. In such networks, such series connections are formed of optical mixers which produce signal ... | 05/23/1989 |
| 4654889 | Multi-star fiber optic network with improved access time A multi-star fiber optic network achieves improved access periods by grouping terminal devices into subnetworks that are connected to a bus, with token passing or collision detection being localized to individual subnetworks and with communication between... | 03/31/1987 |
| 4543664 | Direct current coupled data transmission A fiber optic direct current coupled data transmission link having a response extending to dc by using a dc coupled receiver and a modified frequency response to avoid data width distortion which allows the dc coupled receiver to work over a wide range of... | 09/24/1985 |
| 4527286 | Repeater for fiber optic bus distribution system In a fiber optic (FO) bus distribution system having a plurality of subscriber stations, a plurality of first star couplers coupled to said FO bus each with first and second input ports and a first output port, a plurality of second star couplers coupled ... | 07/02/1985 |
| 4408353 | Coaxial cable/fiber optic bus network A coaxial cable/fiber optic bus network utilizes a coaxial cable for the main signal bus in a distribution system. The tap samples the electrical signal, and transforms the signal into a light pulse output. An optical splitter changes the single light out... | 10/04/1983 |
| 4107518 | Optical repeater An optical repeater combines the functions of a passive star coupler and a signal regenerating amplifier. A divergence corrective device provides a means with which to more effectively utilize the optical energy radiated from a light emitting diode includ... | 08/15/1978 |
