Patrick T Roberts

US Patent:

20110252322, Oct 13, 2011

Filed:

Feb 24, 2011

Appl. No.:

13/033770

Inventors:

Patrick A. Roberts - Los Angeles CA, US

Assignee:

MIT TECHNOLOGY GROUP, CORP. - Wilmington DE

International Classification:

G06F 3/01

US Classification:

715716

Abstract:

A method and system for selecting portions of different songs and mixing the same to create a re-mix which can be played back or used as a ring tone, or sent to another person. A cell phone may be used for mixing the preselected song portions and playing back the re-mixed song portions.

US Patent:

52586545, Nov 2, 1993

Filed:

Mar 30, 1992

Appl. No.:

7/860475

Inventors:

Patrick S. Roberts - Rolling Meadows IL
Bay E. Estes - Palatine IL

Assignee:

Eaton Corporation - Cleveland OH

International Classification:

H01H 160

US Classification:

307125

Abstract:

A precharged capacitor connected in parallel with the contacts of an open switch discharges through the switch upon closure. Oxides on the switch contacts are broken through upon closure of the switch to produce a good electrical connection. The capacitor provides sufficient voltage and transient current to clean the switch contacts. A microprocessor having signals of only 5 volts can interrogate a plurality of such switches by multiplexing some semiconductor switching circuits that energize the interrogated switches and by synchronously multiplexing some microprocessor input circuits. The microprocessor's input circuits therefore receive signals indicating the status of each switch in turn.

US Patent:

41063856, Aug 15, 1978

Filed:

Oct 6, 1975

Appl. No.:

5/619810

Inventors:

Patrick S. Roberts - Glendale Heights IL

Assignee:

Thomas International Corporation - Chicago IL

International Classification:

G10H 306
G10F 100
G10H 102

US Classification:

84 124

Abstract:

An arpeggio circuit for an electronic organ employing digital encoding, decoding and code conversion techniques to semiautomatically generate an arpeggio effect composed of tone signals having an octaval relationship and corresponding to selected note keys held down on an accompaniment keyboard. The rate of generation and order of the arpeggio tone signals is controlled by means of a plurality of manually actuatable arpeggio control switches. A plurality of individually identifiable control signals are sequentially generated in response to sequential actuation of the plurality of control switches. The control signals are binarily encoded. Tone signals provided by a set of tone generators are selectively associated with appropriate ones of the encoded control signals by a tone selector circuit which provides the selected one of the tone signals to an arpeggio output tone signal generating circuit when the associated encoded control signal is being generated. An octave select circuit of the output circuit selectively generates an output tone signal at a selected octavely related frequency to the selected tone signal in response to the encoded control signal associated therewith. Both the tone selector and the octave selector are responsive to make tone selections for a given control signal depending upon the number of selected notes.

US Patent:

42481210, Feb 3, 1981

Filed:

Aug 31, 1979

Appl. No.:

6/071096

Inventors:

Patrick S. Roberts - Rolling Meadows IL

Assignee:

Whirlpool Corporation - Benton Harbor MI

International Classification:

G10H 112
G10H 512

US Classification:

84 119

Abstract:

An electronic organ tone generating technique produces a harmonic equivalent of a sawtooth wave. In one embodiment square waves generated by a conventional tone generator are applied to a one shot multivibrator, the output of which is a series of narrow rectangular pulses having a flat harmonic spectrum with both even and odd harmonics present. The narrow rectangular pulses are applied to a 3db per octave filter to produce a waveform, the harmonic content of which is equivalent to that of a sawtooth wave. In this embodiment, the pulse width remains constant regardless of the frequency of the pulse train. In a second embodiment, the duty cycle at each octave when moving up the keyboard is doubled to compensate for amplitude falloff which may occur in the filtered signal.

US Patent:

41866363, Feb 5, 1980

Filed:

Sep 19, 1977

Appl. No.:

5/834686

Inventors:

Patrick S. Roberts - Rolling Meadows IL

Assignee:

Thomas International Corporation - Chicago IL

International Classification:

G10H 100

US Classification:

84 101

Abstract:

An electrical musical instrument having a digital circuit which automatically generates selected chordally related tone signals in response to manual selection of a root note. A root encoder provides a binary code representative of the root note in response to note selections, and an interval code generator automatically provides code signals having binary number values equal to the number of half steps from the root for a given interval. An adder arithmetically adds the root code and the interval code to generate a code for a chordally related note having both octave and note information corresponding to the automatically generated tone signal. In one mode of operation, the root code represents the root of the root-fifth pair of highest priority around the circle of fifths selected on a manual keyboard. In another mode, the root code is representative of a note selected on the pedal clavier.

US Patent:

46979301, Oct 6, 1987

Filed:

Aug 28, 1986

Appl. No.:

6/902003

Inventors:

Patrick S. Roberts - Rolling Meadows IL
Leonard Weiss - Grayslake IL

Assignee:

Spartus Corporation - Skokie IL

International Classification:

G04C 1900
G04B 100

US Classification:

368 82

Abstract:

A transformerless power supply and display energizing circuit for a clock circuit with a duplex optoelectronic display driven by a low voltage integrated clock circuit having positive and negative voltage input terminals and the duplex display having a first terminal connected to a first common cathode and a second terminal connected to a second common cathode of the display for energizing it. The transformerless circuit is powered from an AC source. An impedance, which may be either resistive or reactive, reducing the AC voltage to a level suitable for the integrated clock circuit. The transformerless circuit generates synchronous DC level-shifted pulse trains for driving the positive input terminal of the integrated clock circuit alternately between a first voltage and a reference voltage while synchronously driving the display first terminal between said first voltage and a voltage of equal amplitude and opposite polarity. The display second terminal is held at the reference voltage.

US Patent:

41888480, Feb 19, 1980

Filed:

Nov 7, 1977

Appl. No.:

5/849129

Inventors:

Patrick S. Roberts - Rolling Meadows IL

Assignee:

Thomas International Corporation - Chicago IL

International Classification:

G10H 100
G10H 500

US Classification:

84 101

Abstract:

An electronic organ includes a read-only memory which stores eight bit binary words each having a digital value proportional to the frequency of a different note. When a chord keyswitch is actuated, a corresponding chord selector controlled by a multiplexer circuit causes the randomly addressable memory to sequentially generate binary words corresponding to the frequencies of the notes forming the selected chord. Each binary word is stored in a latch associated with a different universal tone generator capable of generating any tone as controlled by the stored binary word. Each universal tone generator includes a comparator which recognizes a match between the associated latch and a counter which receives clock pulses from a single fixed frequency oscillator. The comparator resets the counter and generates an output pulse which is divided to form an audible tone signal.

US Patent:

40460479, Sep 6, 1977

Filed:

Aug 11, 1975

Appl. No.:

5/603859

Inventors:

Patrick S. Roberts - Glendale Heights IL

Assignee:

Warwick Electronics Inc. - Chicago IL

International Classification:

G10H 100

US Classification:

84 101

Abstract:

An electric organ utilizes digital encoding and time division multiplexing to transfer both function selection and note selection information from manually operable switches to respective memories, and to simultaneously produce tone signals corresponding to stored note selection information. A single encoding circuit encodes in binary form the function and note selection information during successive scanning periods established by a single multiplexing circuit. A plurality of stored note codes are transferred on a time division multiplexing basis to a note selector which selectively produces all of the selected tone signals, on one output in multiplexed form. The tone signals are demultiplexed to generate a corresponding plurality of tone signal outputs. An octave selection circuit which is responsive to a part of each note code selectively reduces the frequency of the demultiplexed tone signals. In response to storage of the code for a memory function, the note code memory operates to maintain note codes in storage after deactuation of the switches corresponding thereto until it is updated with new note codes in response to selection of a new set of notes.