Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 7290504 | System and method for operating an internal combustion engine with hydrogen blended with conventional fossil fuels A system for retrofitting an internal combustion engine to use a proportion of hydrogen gas and existing fossil fuel is disclosed. The system is comprised of a source of hydrogen gas and means for delivering hydrogen gas to the combustion chamber of the engine. The ... | 11/06/2007 |
| 6859437 | Method and system for extending the reach of a data communication channel using a flow control interception device A system and method for extending the reach of a data communication channel using flow control interception devices is described. The method decreases the latency-induced reduction in the data throughput and permits data transmission at subrates through the data com... | 02/22/2005 |
| 6842561 | Optical performance monitoring scheme A method for determining optical power in a WDM optical signal that includes extracting a representative portion of the optical signal with wavelengths within some band δ wherein δ is a subset of Δ, the set of all channel wavelengths present in the optical signal... | 01/11/2005 |
| 6680933 | Telecommunications switches and methods for their operation A telecommunications switch for switching protocol data units across communications links connecting the switch into a communications network and supporting multiple service types concurrently is disclosed. The switch includes an ingress processor for rec... | 01/20/2004 |
| 6667956 | Multi-class network A multi-class digital network is described. The network supports a plurality of digital services using dynamically-configured service bands to support various transport modes and qualities of service. A network control element receives traffic and network... | 12/23/2003 |
| 6522633 | Conferencing arrangement for use with wireless terminals This invention provides a conferencing arrangement for use with two or more wireless terminals. According to the invention, the conferencing arrangement receives signals from a plurality of input communication paths of which at least two are from wireless... | 02/18/2003 |
| 5805695 | Transmit by-pass cable A transmit by-pass cable for use in a telephone system having a headset and an amplifier. The by-pass cable finds application in an automatic call distribution network having automatic log-on/log-off capability. The by-pass cable connects the amplifier to... | 09/08/1998 |
| 5802473 | Automatic determination and tuning of pico-cell topology for low-power wireless systems A method of using the existing radio resources to automatically determine the current cellular topology is described. Wireless basestations are placed into a mode where they can transmit a signal which can be received by all of the base stations in range ... | 09/01/1998 |
| 5796818 | Dynamic optimization of handsfree microphone gain A system and method for dynamically optimizing the analog gain for a microphone in a telephone terminal operable in handsfree mode. The system makes use of a process whereby a relatively inexpensive analog to digital converter is used to meet gain require... | 08/18/1998 |
| 5790679 | Communications terminal having a single transducer for handset and handsfree receive functionality A wireless terminal for personal communication systems is provided with selective handsfree or handset receive mode of operation utilizing a single transducer. The transducer is mounted within a specially designed enclosure having front and back chambers ... | 08/04/1998 |
| 5787151 | Telephony based delivery system of messages containing selected greetings The invention constitutes a telephony based electronic voice greeting card service embodied within an adjunct processing system communicatively connected to a toll switching office of a public switched telephone network. The voice card system comprises a ... | 07/28/1998 |
| 5768367 | Method and apparatus for removing FSK in-band signaling A circuit for use with a SCWID adjunct to remove A.C. in-band signaling tones from the voice path to a telephone apparatus serially connected to the adjunct. The A.C. signal component is carried on top of the D.C. voltage used to power the telephone. The ... | 06/16/1998 |
| 5761279 | Visual calling person display A system for displaying graphic information such as a facial representation on a communications terminal. The facial representation is digitized, compressed and stored in memory at the appropriate control center of a communications network. Upon receipt o... | 06/02/1998 |
| 5729604 | Safety switch for communication device A communication device such as a portable wireless terminal for a telephone system having a proximity sensor to automatically switch the receiving transducer from receiver mode to loudspeaker mode. The proximity sensor is positioned in the handset such th... | 03/17/1998 |
| 5363425 | Method and apparatus for providing a personal locator, access control and asset tracking service using an in-building telephone network A system for providing a personal location, access control and asset tracking service using an in-building telephone network is disclosed. In a first embodiment, users of ID badges containing an RF transmitter can be located across the telephone network f... | 11/08/1994 |
| 5345597 | Call set-up in a radio communication system with dynamic channel allocation The call set-up technique of this invention is characterized by the use of channel information from both base station and subscriber terminal in determining the radio traffic channel upon which to set-up a new call. Communication between the base station ... | 09/06/1994 |
| 5343522 | Adaptive sparse echo canceller using a sub-rate filter for active tap selection With the presently described echo canceller, a sparse adaptive transversal filter is used to model and cancel only the active regions of the echo impulse response. Since the tap coefficients, in the dormant regions, are set to zero and have no random fluc... | 08/30/1994 |
| 5329578 | Personal communication service with mobility manager A system for providing personal communication services (PCS) is described, wherein a subscriber can tailor the telephone service to provide communication mobility and incoming call management. Calls to a personal number assigned to the subscriber are rout... | 07/12/1994 |
| 5280523 | Telephone line message waiting and ring indicator A visual indicator circuit is provided for visually indicating that a telephone is ringing or that a message is waiting. The circuit includes a visual indicator such as a light emitting diode (LED), a voltage triggering circuit for triggering when a minim... | 01/18/1994 |
| 5255343 | Method for detecting and masking bad frames in coded speech signals The process for detection and masking of bad frames in a coded speech signal resulting from channel transmission errors has been improved. The coded speech signal has a first group of bits comprising the most perceptually significant bits of the coded spe... | 10/19/1993 |
| 5239676 | Intra-cell call hand-over in radio communication systems with dynamic channel allocation The intra-cell call hand-over technique of this invention is characterized by the use of channel information from both base station and subscriber terminal in determining a standby radio traffic channel upon which to hand over a call. Communication betwee... | 08/24/1993 |
| 5239682 | Inter-cell call hand-over in radio communication systems with dynamic channel allocation The call hand-over technique of this invention is characterized by the use of channel information from both the target base station and subscriber terminal in determining which radio traffic channel will be used to hand over a call in progress from a serv... | 08/24/1993 |
| 5231648 | Adaptive equalizer for digital cellular radio The present invention provides a method of estimating parameters of a mobile radio channel which are used for providing the equalization and synchronization of the radio channel. The channel is modelled as a discrete number of independent Rayleigh-faded p... | 07/27/1993 |
| 5229995 | Radio link architecture for wireless communication systems An improved radio link architecture for digital wireless communication systems which is characterized by the use of information and signalling channels on a number of RF carriers, thereby providing common signalling channels for call set-up and control fu... | 07/20/1993 |
| 5121395 | Transmission error protection for TDMA digital channels There is provided a method of reducing the effects of transmission errors in a digital cellular mobile radio system in which R-S symbols are transmitted over a radio channel in two bursts, separated in time. This technique provides sufficient R-S error pr... | 06/09/1992 |
| 4996638 | Method of feedback regulating a flyback power converter A method of providing power regulation in power conversion equipment, where power regulation is implemented on the primary side of a transformer used to provide isolation of a power source from the load. The feedback mechanism utilizes current perturbatio... | 02/26/1991 |
| 4977580 | Timing and carrier recovery in TDMA without preamble sequence The present invention provides a method of detecting the clock rate and recovering the carrier in a TDMA (time division multiple access) signal. The quadrature baseband components are stored for a predetermined amount of time as sampled data and the clock... | 12/11/1990 |
| 4916867 | Drill bit sharpener The present invention provides a drill bit sharpening device, for use with a support carrying a rotatable grindstone and having pivot arm retaining means. The device comprises a drill bit jig having clamp means for releasably retaining a drill bit therein... | 04/17/1990 |
| 4913511 | Transient voltage suppression for electro-optic modules An improved electro-optic module able to sustain high voltage transients is disclosed. The module is able to eliminate unwanted signals by providing a discharge path for high voltage transients, away from the electronic and opto-devices. The module is com... | 04/03/1990 |
| 4912452 | ISDN quick connect terminating resistor With the deployment of ISDN within a building, a resistor box is usually required, at each distribution frame, between the first and second set of cross-connect connectors in order to maintain a balanced loop. In the present invention, a quick connect ter... | 03/27/1990 |
| 4862652 | Building panels Integral, elongated panels have sets of converging corrugations arranged on lines defined by folded, transversely triangular elements. These elements extend laterally across the panel, and are dimensioned such that a pair of adjacent parallel side edges o... | 09/05/1989 |
| 4858231 | Bus interface loading assembly A bus interface loading assembly used to equalize electrical loads of termination slots on a backplane assembly is disclosed. It is comprised of loading means adapted to be converted on said backplane at unused slots thereof. The loading means is also adp... | 08/15/1989 |
| 4847900 | Infrared hookswitch for a telephone An optical hookswitch assembly useable on a telephone set as an optical communications port is disclosed. The hookswitch assembly is comprised of light emitting and detecting diodes so disposed in the telephone so as to detect the presence of a handset. A... | 07/11/1989 |
