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A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.
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| Number | Title | Issue Date |
| 5132829 | Tone spacing and power level monitor for FSK lightwave systems Apparatus and method are disclosed for controlling the tone spacing (2ωd) and output power level in an FSK lightwave transmitter. An arrangement is utilized which splits a tapped-off portion of the output data stream into two essentially equal... | 07/21/1992 |
| 4908772 | Integrated circuits with component placement by rectilinear partitioning An integrated circuit, and a method for laying out and creating the integrated circuit, which contains large circuit blocks placed at any desired location on a chip, with the rest of the circuitry placed in the remaining non-rectangular area on the chip. ... | 03/13/1990 |
| 4752590 | Method of producing SOI devices Disclosed are methods that result in substantial improvement of silicon-on-insulator (SOI) device manufacture. We have discovered that carbon can be advantageously used as a wetting agent in the melting-recrystallization (MR) method of producing SOI wafer... | 06/21/1988 |
| 4660166 | Electronic network for collective decision based on large number of connections between signals Amplifiers, optionally having complementary (positive and negative) outputs, are connected to a matrix of input and output conductors (where the output conductors are each a pair for the case of complementary amplifier outputs). Each connection is impleme... | 04/21/1987 |
| 4578796 | Programmable multiple type data set A digital processor based voiceband modem that provides computers and terminals access to telephone lines and performs line control functions to originate, answer and terminate data calls in addition to converting baseband signals to voiceband and voiceba... | 03/25/1986 |
| 4525776 | Arithmetic logic unit arranged for manipulating bits A digital computer is arranged to process data through an arithmetic logic unit in response to instructions residing sequentially in an instruction register, each instruction requiring a single instruction interval for fetching data from a selected source... | 06/25/1985 |
| 4495494 | Detector circuit for communication lines A detector circuit detects one of two impedances presented by a communication line for each one of a plurality of operative modes. The circuit comprises a network having three parallel branches. The first includes two serially connected resistors which de... | 01/22/1985 |
| 4476350 | Battery feed circuit The battery feed circuit (FIG. 3) provides a balanced dc feed current (ITR) to a 2-wire telecommunications path. The dc current in each conductor is generated by a bidirectional current source (103 or 104) which is responsive to one of a comple... | 10/09/1984 |
| 4470112 | Circuitry for allocating access to a demand-shared bus Circuitry is disclosed for allocating requests for demand-shared bus access among a plurality of requesting ports. During bus contention time, each requesting unit synchronously and sequentially applies the digits of its unique priority code to the bus be... | 09/04/1984 |
| 4468672 | Wide bandwidth hybrid mode feeds The present invention relates to hybrid mode feeds which are capable of handling very wide bandwidths. In the present feed arrangements, a dominant TE11 mode is converted to the HE11 hybrid mode which is then launched. The TE11 | 08/28/1984 |
| 4468701 | Video signal actuated switch A video signal actuated switch is disclosed having general application in the area of video home entertainment systems. The present video signal actuated switch comprises an impedance matching circuit (200) for matching the impedance of an incoming video ... | 08/28/1984 |
| 4464762 | Monolithically integrated distributed Bragg reflector laser In a heterostructure distributed Bragg reflector laser, at least one multilayer waveguide substantially comprised of a silicon dielectric compound is monolithically integrated with an active semiconductor heterostructure medium. Bragg reflectors are prope... | 08/07/1984 |
| 4464545 | Echo canceller An echo canceller for passband data signals is comprised of a pair of real passband filters which generate samples of the echo replica in response to respective streams of rotated data symbol components.... | 08/07/1984 |
| 4463445 | Circuitry for allocating access to a demand-shared bus Circuitry is disclosed for allocating requests for demand-shared bus access among a plurality of service requesting ports. During bus contention time, each requesting port synchronously and sequentially applies the digits of its assigned unique priority c... | 07/31/1984 |
| 4461535 | Wavelength filters By introducing an asymmetry in the effective refractive index profile of a waveguide, wave energy can be extracted from the waveguide by radiation at wavelengths greater than a critical wavelength, where the latter is a function of the effective index dis... | 07/24/1984 |
| 4462077 | Trace facility for use in multiprocessing environment A tracing facility which is useful in a multiprocessing environment on a single processor is disclosed. Tracing statements are encoded within each process, each statement having arguments to indicate its location in the code and a message which is logged ... | 07/24/1984 |
| 4460897 | Scanning phased array antenna system The present invention relates to a phased array antenna system which transmits a local oscillator signal in a scanable spotbeam from a first array of feed elements (12l -12m) via a reflector or lens (16) and a frequency diplexing mea... | 07/17/1984 |
| 4458314 | Circuitry for allocating access to a demand shared bus Circuitry is disclosed for allocating requests for demand-sharing bus access among a plurality of service requesting ports. During bus contention time, each requesting port synchronously and sequentially applies the digits of its assigned unique priority ... | 07/03/1984 |
| 4458247 | Phased array antenna employing linear scan for wide angle orbital arc coverage The present invention relates to a technique for enabling an antenna system to linearly scan over a wide angle of an orbital arc segment from a terrestrial ground station to access or track satellites within the segment. The wide angle linear scan capabil... | 07/03/1984 |
| 4458356 | Carrier recovery circuit A carrier recovery circuit is disclosed for use in the receiver of a digital transmission wherein channels of data are formed by demodulating incoming quadrature-related carriers using receiver-generated, quadrature-related carriers. Phase alignment of th... | 07/03/1984 |
| 4456790 | Automated hardware inventory system There is disclosed an automated hardware inventory system for remote identification of system circuits. The system includes a central processing unit for addressing circuits over a bidirectional communication bus. A memory device and control circuitry is ... | 06/26/1984 |
| 4456793 | Cordless telephone system The present key telephone system comprises cordless telephone stations (FIGS. 6 and 7) which communicate over a line-of-sight transmission end link (276 or 277). The system further comprises a central controller (101) for switching communications between ... | 06/26/1984 |
| 4456996 | Parallel/series error correction circuit In a data processing system, the subject error correcting circuit is connected in the bridging mode to the data bus which interconnects a processor and a memory for error detection. It is presumed that the memory words obtained from the memory are relativ... | 06/26/1984 |
| 4457004 | Multidimensional channel coding An n-dimensional channel code is used in a data transmission system. The alphabet of codewords (data symbols) comprises a subset of points of a selected coset of a selected lattice. The alphabet includes at least one point of the coset whose norm (signal ... | 06/26/1984 |
| 4456792 | Voice switching arrangement for telephone conferencing In a telephone conference system, a voice switching arrangement allows a speaker who has seized the line to hear and thus permit an interrupting speaker an opportunity to talk. This arrangement is achieved in a multiparty connection by using two complemen... | 06/26/1984 |
| 4455643 | High speed optical switch and time division optical demultiplexer using a control beam at a linear/nonlinear interface The present invention relates to a high speed optical switch and the use of such switches to form a time division demultiplexer. The optical switch comprises a length of linear material (12) including an outer surface on a portion of which is formed a lay... | 06/19/1984 |
| 4454566 | Heat removal from cabinets housing electronic equipment Heat generated from electronic equipment packed densely on a circuit board is transferred to conductive partition plates located adjacent to and on opposite sides of the circuit board. Heat is then transferred from the partition plates to conductive shelv... | 06/12/1984 |
| 4454506 | Method and circuitry for reducing flicker in symbol displays The flicker which results from large intensity differences in adjacent scan lines of a symbol displayed in an interlaced-field format is reduced by a non-linear signal filter and signal generator. The disclosed filter and signal generator changes the inte... | 06/12/1984 |
| 4454479 | Operational amplifier with improved output capability The disclosed operational amplifier comprises a first pair of complementary type transistors (Q5, Q6) (of high current carrying capacity) that have their emitter-collector paths connected in series across a source of reference potential. The emitters of t... | 06/12/1984 |
| 4454383 | Asynchronous data transmission method and circuitry A method and circuitry are disclosed for asynchronously transmitting binary data over a communication pair without the use of start or stop bits. During a non-data transmitting state a quiescent differential voltage, which is intermediate to the binary da... | 06/12/1984 |
| 4453805 | Optical grating using a liquid suspension of dielectric particles The invention provides apparatus comprising at least two beams of coherent radiation directed so as to intersect and form a standing wave pattern having a period .LAMBDA. in an optically responsive medium. The optically responsive medium is a colloidal su... | 06/12/1984 |
| 4454593 | Pictorial information processing technique A technique for processing pictorial information to enable its display on a desired display device independent of the latter's resolution characteristics includes a unique encoding procedure and a corresponding decoding and display procedure. Attributes o... | 06/12/1984 |
| 4453217 | Directory lookup method and apparatus There is disclosed a spelling correction arrangement for use in directory lookup applications. The arrangement corrects errors by finding the name in the directory that most closely resembles the name requested by the user. The arrangement is based on a r... | 06/05/1984 |
| 4451948 | Wire stripping tool A tool for stripping insulation from coaxial or multiple conductor cables is disclosed. The tool consists of a support assembly (1) with an integrally connected spring (5) which swivels between an up and down position. The support assembly (1) contains a ... | 06/05/1984 |
| 4453133 | Active predistorter for linearity compensation A wideband amplifier utilizes predistortion components developed by an amplifying device (14) similar to the power amplifying device (15) to provide effective linearization for substantially reducing all of the intermodulation distortion products. Since t... | 06/05/1984 |
| 4451747 | High speed clamp circuit A clamping circuit comprises a first transistor having a first and a second resistor shunting the base-collector and base-emitter junctions, respectively, and a second transistor opposite in polarity to the first transistor which has its emitter connected... | 05/29/1984 |
| 4451705 | Call completion circuit and method There is disclosed a combined business communication system and an ACD system where each station in the system is available to handle, on a per call basis, either ACD or regular incoming calls. The system is arranged to accept from any user at any station... | 05/29/1984 |
| 4451704 | Switching system auxiliary line transfer circuit A line circuit for use in coupling lines with an automatic call distributing switching system. The line circuit (1, 2) responds to a calling customer seizure of a line by connecting the seized line through the switching system (3) to attendant positions 3... | 05/29/1984 |
| 4450620 | Fabrication of MOS integrated circuit devices In an MOS integrated circuit device, a multilayer polysilicon/metallic-silicide gate-level metallization structure is patterned to form gates and associated interconnects. Some of the interconnects are designed to make contact with ohmic regions in the ... | 05/29/1984 |
| 4451773 | Rectifier control system for a DC power plant system A DC power plant system has the operation of its individual rectifiers controlled by a stored program control system for the purpose of optimizing power efficiency. Load power requirements are compared with rated capacities of operating rectifiers of the ... | 05/29/1984 |
