U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6650315

Mouse device with a built-in printer

A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Attorney: Watland; Ross T.


Number of patents: 88
Last date: December 13, 1994

1      
NumberTitleIssue Date
5373552Tone Burst Generator
A tone burst generator where a continuous tone voltage is applied across two series-connected semiconductor switches each having an ON state and an OFF state. A first control circuit controls the state of the first switch and the variable impedance in an ...
12/13/1994
5355404Method of controlling parameter downloading from a communication switching system to customer stations
A method for use by a switching system in controlling the downloading of parameters to customer stations. The notification of stations due to a change in a configuration group is performed at a controlled rate and accordingly any reduction in call process...
10/11/1994
5343032Diode-clamped optical receiver
An optical receiver, e.g., receiver 10 (FIG. 1), has differential optical input beams and generates an electrical output. The voltage at an electrical node between series-connected optical detector diodes is clamped within a predefined voltage range by se...
08/30/1994
5309512Call waiting deluxe feature
A call waiting deluxe method where a switching system forwards calls to a service node that provides specialized call processing, e.g., processing requiring text-to-speech, to a number of switching systems without requiring modification of the hardware de...
05/03/1994
5309028Call coverage arrangement in an ISDN switching system
A call coverage arrangement where a covering terminal has, for each covered terminal, a single monitor lamp that not only indicates the overall or collective busy or idle status of the call appearances on the covered terminal but also the collective ringi...
05/03/1994
5291324Comparison apparatus with freespace optical interconnections between optoelectronic integrated circuits
An exemplary packet processing apparatus where a large number of comparisons can be made concurrently in bit-parallel fashion by partitioning the comparison functionality to two optoelectronic integrated circuits, and interconnecting the two circuits usin...
03/01/1994
5289303Chuted, optical packet distribution network
A low blocking packet distribution network which is implemented in optics. The network has both switch links and chute links, and the network nodes include both a switching devices interconnecting successive stage switch links and a plurality of non-switc...
02/22/1994
5287347Arrangement for bounding jitter in a priority-based switching system
An arrangement where a switching system receives parameter(s) concerning the traffic expected on a call from a first user to a second user, the system determines a priority for the call based on the expected traffic parameter(s), and information is transm...
02/15/1994
5258978Space-division switching network having reduced functionality nodes
A multi-stage network which achieves the same overall connectivity as known networks but where individual switching nodes have no input selectivity and no output selectivity. Each node is enabled or disabled to control communication therethrough in respon...
11/02/1993
5251208Digital signal processor synchronous network
An arrangement where a plurality of digital signal processors cooperate in the performance of a digital signal processing function. The processors are interconnected by means of a synchronous network which provides time division multiplexed communication ...
10/05/1993
5226042Method for establishing wideband communications through a time division switching system
A method of establishing an N time slot connection through first and second, single-buffered time slot interchangers where the time slots interconnecting the two time slot interchangers, referred to herein as network time slots, are chosen in accordance w...
07/06/1993
5122892Space-division switching network having reduced functionality nodes
A multi-stage network which achieves the same overall connectivity as known networks but where individual switching nodes have no input selectivity and no output selectivity. Each node is enabled or disabled to control communication therethrough in respon...
06/16/1992
5119366Call processing method for distributed switching
A call processing method for distributed switching which substantially increases the percentage of calls that are intra-module calls by distributing the members of trunk groups among a plurality of switching modules and biasing the processing of a call or...
06/02/1992
5115425Switching system reliability
A distributed switching system where calls are processed in one of two call processing modes: 1) in a first call processing mode, available paths through a time-multiplexed switch (TMS) are selected without reference to whether the paths are presently est...
05/19/1992
5113286Diffraction grating apparatus and method of forming a surface relief pattern in diffraction grating apparatus
A phase diffraction grating apparatus which is usable to generate an array of N spots, where n is an even integer, and the N spots are substantially equally spaced. The generation of an even number of spots is achieved using a translation symmetry in the ...
05/12/1992
5093914Method of controlling the execution of object-oriented programs
A method used by a digital computer in controlling execution of an object-oriented program to effect a defined action, e.g., stopping the program, when a specified virtual function is invoked on a specified object during execution of the program. A breakp...
03/03/1992
5093565Apparatus for sequential optical systems where an independently controllable transmission gate is interposed between successive optoelectronic gates
An optoelectronic apparatus where information is communicated to and from the apparatus in the optical domain, but where the apparatus includes a transmission gate advantageously interposed between successive optoelectronic gates to sequentially convey in...
03/03/1992
5091945Source dependent channel coding with error protection
A parameter communication arrangement where a parameter that is transmitted over a channel using m-bit codewords or labels is quantized before transmission as one of only p levels, where, significantly, p
02/25/1992
5077483Network topology for reduced blocking and photonic system implementation thereof
A reduced-blocking system where a perfect shuffle equivalent network having a plurality of node stages successively interconnected by link stages, is advantageously combined with expansion before the node stages and/or concentration after the node stages ...
12/31/1991
5040173Network control arrangement based on topological equivalence
A network control arrangement where path hunts through a first network are performed with reference to a second network that is topologically equivalent to the first. Path hunts through a crossover network, well-suited for implementation in the photonics ...
08/13/1991
5036512Optical apparatus for combining light beam arrays having different wavelengths
Optical apparatus for performing wavelength-dependent beam combination. The apparatus relies on a polarization beam splitter in combination with other optical elements to develop combined beams with the same polarization type and that are therefore suitab...
07/30/1991
5023864Crossover network utilizing two-dimensional arrays of nodes
A crossover network implemented using two-dimensional arrays of nodes. The network is a perfect shuffle equivalent network because it is topologically equivalent to a crossover network of one-dimensional arrays of nodes. The two-dimensional arrays are arr...
06/11/1991
5023910Vector quantization in a harmonic speech coding arrangement
A harmonic speech coding arrangement where vector quantization is used to improve speech quality. Parameters are determined at the analyzer of an illustrative coding arrangement to model the magnitude and phase spectra of the input speech. A first codeboo...
06/11/1991
4967068Single-ended optical logic arrangement
Apparatus having a plurality of photodetectors interconnected to form an electrical circuit corresponding to any given logic function comprising at least two of the four basic AND, OR, NAND, and NOR logic operations. The apparatus performs optical logic w...
10/30/1990
4961186Communication channel reallocation
A call processing method and apparatus in which a channel that was allocated to one terminal for processing a call is reallocated to allow another terminal to process the call. The channel is one of several channels of the digital subscriber line. In proc...
10/02/1990
4959534Differential optical logic arrangement
Apparatus having a first electrical circuit, comprising a plurality of photodetectors interconnected such that the first circuit corresponds to any given logic function, is connected in series with a second circuit comprising a plurality of photodetectors...
09/25/1990
4958343Communication channel reservation
A call processing method and apparatus for maximizing the number of calls that are offered to terminals sharing a digital subscriber line while insuring that for every call offered, a channel of the digital subscriber line remains allocatable to at least ...
09/18/1990
4952791Monolithic apparatus comprising optically interconnected quantum well devices
Apparatus comprising a monolithic structure having an array of substructures, e.g., mesas, each including first and second photodetectors electrically connected as components of different self electro-optic effect devices. The devices are optically interc...
08/28/1990
4947421Call waiting arrangement providing options to both a subsequent calling party and to the called party
An improved call waiting arrangement where a caller is free to exercise discretion in interrupting ongoing telephone calls because the caller is prompted, for example via an audible announcement, that the called party is busy on another call but that the ...
08/07/1990
4944029Rearrangeable multiconnection switching networks constructed using combinatorial designs
A switching network where a large class of combinatorial designs which are well known in the mathematical literature are for the first time applied to advantageously define the pattern of permanent connections effected between network input channels and i...
07/24/1990
4937870Speech recognition arrangement
A speech recognition arrangement where nonspectral features of the input signal, e.g., energy and voicing parameters, are used to effectively remove non-speech events from consideration but only after a time warping procedure based solely on the input and...
06/26/1990
4932050Proximity detection for telecommunications features
A switching system in which telecommunications features are improved by the use of the proximity status of a telephone station set user. The status is transmitted to the switching system over the same telephone line used for the station set. The proximity...
06/05/1990
4922490Telephone station set
A communication station capable of transmitting audible speech represented by speech signals received on the line during the on-hook state. A calling party name may be spoken at the station without requiring the call to be answered. The station is also us...
05/01/1990
4922417Method and apparatus for data hashing using selection from a table of random numbers in combination with folding and bit manipulation of the selected random numbers
A data hashing arrangement particularly suitable for efficient database storage and fast retrieval of large numbers of character strings. A database address is determined for a character string by replacing individual characters with random numbers select...
05/01/1990
4922245Rearrangeable multiconnection switching networks constructed using combinatorial designs
A switching network where a large class of combinatorial designs which are well known in the mathematical literature are for the first time applied to advantageously define the pattern of permanent connections effected between network input channels and i...
05/01/1990
4914430Rearrangeable multiconnection switching networks constructed using combinatorial designs
A switching network where a large class of combinatorial designs which are well known in the mathematical literature are for the first time applied to advantageously define the pattern of permanent connections effected between network input channels and i...
04/03/1990
4907259Call appearance reservation arrangement
A call appearance reservation arrangement where any number of the call appearances of a directory number are reservable, and where a reservation type is defined for the directory number such that calls to and from the reserved call appearances are process...
03/06/1990
4901348Data transmission security arrangement for a plurality of data stations sharing access to a communication network
An arrangement for securing data transmissions to and from one data device from among a plurality of data devices sharing a common interface is disclosed. In a data communication network, a master communication bus connects to a plurality of data transmit...
02/13/1990
4899358Call announcement arrangement
A call announcement arrangement that obtains the calling party name from a database search and uses a text-to-speech unit to generate speech signals for transmission to the called communication station. The calling party name is spoken at the station inst...
02/06/1990
4893336Call forwarding arrangement
An improved call forwarding arrangement where forwarded calls receive different terminating treatment from non-forwarded calls, for example providing a readily detectable, distinctive alerting signal for forwarded calls or completing only forwarded calls ...
01/09/1990
1      
 
Sign InRegister
Username  
Password   
forgot password?