Patents Represented by Law Firm Drummond, Nelson, & Ptak
  • Patent number: 4085473
    Abstract: A removable deck platform is attached to the stern transom of a boat for extending the effective deck space of the boat rearwardly. Hinges are used to removably attach the deck platform to the transom. Triangular support braces attached to the bottom of the deck platform extend downwardly from the platform and rest against the transom when the platform is in place. A railing extends upwardly around the outer periphery of the platform, and the effective useful length of the boat is enhanced by attaching two rearwardly facing swivel chairs to the upper edge of the stern of the boat.
    Type: Grant
    Filed: September 2, 1976
    Date of Patent: April 25, 1978
    Inventor: Dwaine R. Franklin
  • Patent number: 4085313
    Abstract: An automatic fuel-dispensing system for dispensing fuel at unattended fueling sites includes a number of fuel pumps capable of dispensing different types of fuel. A common control console is used to control the operation of the fuel pumps and to record the data relative to the customer identification, site location and quantity of fuel used. The control console includes a card reader, and a customer inserts a card which uniquely identifies him into the reader, enters an odometer reading, and selects a pushbutton for the fuel pump from which he desires to obtain fuel. If a validity check of the card against preset validity check data fails, a red invalid panel indicator illuminates on the control console; and no product can be withdrawn from the selected dispenser. If the inserted card passes the validity checks, the odometer reading and customer identification data is stored in a RAM memory uniquely associated with the selected dispenser.
    Type: Grant
    Filed: October 6, 1976
    Date of Patent: April 18, 1978
    Assignee: Engineered Systems, Inc.
    Inventor: Bradford O. Van Ness
  • Patent number: 4084603
    Abstract: A fluid-blending system supplies a constant preestablished ratio of two or more fluids through a common output conduit over a wide range of variations of the flow rate established through the output conduit by a pump controlling such flow rate. This constant ratio also is maintained in spite of variations in the different head pressures of the fluids supplied to the blender. Separate fluid supply chambers are used for each of the fluids to be blended and are connected in common to the output conduit. The inlet orifices for each of the fluid supply chambers are normally closed by diaphragm-controlled valves mounted in the chambers. The amount of valve opening is controlled by pressure-sensing diaphragms in response to a partial vacuum created by the demand for fluid in the output conduit.
    Type: Grant
    Filed: October 18, 1976
    Date of Patent: April 18, 1978
    Assignee: Early California Industries, Inc.
    Inventor: Charles W. Howard
  • Patent number: 4079479
    Abstract: A closure for sliding arcadia doors utilizes a pair of telescoping tubes biased to their telescoped or closed position by an internal interconnecting tension spring and employs a pneumatic system and a bleeder valve to control the rate of closing or telescoping of the tubes once they have been opened against the bias of the tension spring. A locking mechanism uses a locking bar and a pair of brackets, one connected to the corner of the door frame and the other mounted on the door for movement with it, (1) to lock the door closed, (2) permit the door to be opened using the door closer so that it is automatically closed by the closer, or (3) to permit the door to be used in its normal manner as if the door closer was not present.
    Type: Grant
    Filed: September 6, 1977
    Date of Patent: March 21, 1978
    Inventor: Clyde H. Clement
  • Patent number: 4074662
    Abstract: An electromagnetically controlled clutch is used to engage and disengage the cooling fan of a water cooled motor vehicle engine. The clutch and fan assembly in the form of an adapter kit may be attached to the existing fan mountings normally located on the water pump pulley assembly. The adapter kit includes an extender cylinder which bolts to the existing fan mountings. Bearings are provided inside this cylinder for rotationally free mounting a fan mounting hub supported on a shaft, which is free to rotate within the extender hub. An annular armature is spaced from the pulley assembly and supported around the hub by leaf springs, attached at one end to the hub and at the other end through rigid extender arms to the armature.
    Type: Grant
    Filed: December 29, 1976
    Date of Patent: February 21, 1978
    Inventor: Kenneth K. Estes
  • Patent number: 4073328
    Abstract: An arrow quiver particularly suited for use by hunters and worn on the back comprises an open, elongated frame with an abutment at its upper end against which the arrow heads are pressed. The arrows are aligned and spaced from one another by a pair of bridges, the lowermost one of which has a number of spaced slots across it, each slot accomodating the shaft of an arrow. The slots are tapered so that they are narrower on the side facing the upper portion of the quiver and are made of resilient material which overlaps the shaft of an arrow pressed into the slot. The shape of the slots facilitates loading of the arrows into the quiver and sliding them upwardly to permit the heads to rest against the abutment. The taper of the slots, however, impedes movement of arrows through the slots downwardly away from the abutment to hold them firmly in place until removal is desired by pivoting the arrows outwardly out of the slots.
    Type: Grant
    Filed: May 9, 1977
    Date of Patent: February 14, 1978
    Inventor: Dwaine R. Franklin
  • Patent number: 4073395
    Abstract: An automobile trunk loading apparatus for loading wheelchairs, outboard motors and the like into the trunk of an automobile comprises a carrier frame on which the object to be located may be removably attached. The frame is connected at the end which is to extend into the interior of the trunk to a pair of chain-like track elements which are constructed of interconnected oppositely facing U-shaped channel links having engaging surfaces to limit the radius of curvature attainable by the chain in the direction extending upwardly from the trunk floor to a minimum radius and to limit the radius of curvature on the opposite side thereof to approximately a straight line. When an object is located in the trunk in a loaded position, the chain-like track elements lie flat on the floor of the trunk. To remove an object, the frame nearest the edge of the trunk is lifted up sufficiently to clear the trunk and then pulled horizontally out of the trunk.
    Type: Grant
    Filed: February 7, 1977
    Date of Patent: February 14, 1978
    Inventor: Clyde H. Clement
  • Patent number: 4074323
    Abstract: A television receiver protection system providing X-ray protection to the viewer responds to rectified horizontal flyback pulses supplied to the gate electrode of a silicon controlled rectifier through a zener diode to trigger the silicon controlled rectifier into conduction when the high voltage level from the flyback transformer of the receiver becomes abnormally high. The silicon controlled rectifier is connected across the power supply for the horizontal oscillator, so that the horizontal oscillator is rendered inoperative when the silicon controlled rectifier becomes conductive.
    Type: Grant
    Filed: April 14, 1976
    Date of Patent: February 14, 1978
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventor: Donald E. Griffey
  • Patent number: 4072078
    Abstract: A tone pattern generating system for use with an electronic musical instrument, such as an electronic organ, responds to depression of a pedalboard key and a preselected rhythm and chordal pattern in an ROM memory to produce a "walking bass" automatically in response to continued depression of the selected pedal key. The ROM memory may be programmed to produce different tonal and rhythm effects in accordance with the wishes of the musician. In addition, provision is made for starting each rhythm and tonal pattern controlled by the ROM memory at the beginning of the pattern each time a new pedal key is played or released and replaying of the same pedal key is effected by the musician. The system also operates to immediately play the note selected by depression of the pedal key and prevents the production of tones under control of the ROM memory for a predetermined time interval following initial depression or operation of a pedal key.
    Type: Grant
    Filed: April 19, 1976
    Date of Patent: February 7, 1978
    Assignee: C.G. Conn, Ltd.
    Inventors: Larry R. Shallenberger, James S. Southard
  • Patent number: 4066880
    Abstract: An MOS RAM read/write memory system has thirty-two 1 .times. 512 bit RAM memory chips arranged in a matrix. The system pretests all data bit locations for each address prior to the entry of any data into that address, and automatically skips an address having a faulty data bit location in it. In addition, the system functions, upon reading out of data information from the memory chips, to uniquely identify any faulty MOS RAM memory chip; so that it may be removed and replaced if desired.
    Type: Grant
    Filed: March 30, 1976
    Date of Patent: January 3, 1978
    Assignee: Engineered Systems, Inc.
    Inventor: Ernest J. Salley
  • Patent number: 4053755
    Abstract: An electronic pedometer is constructed by a combination of a calculator of the hand-held type and a weighted balance switch closed in response to the strides taken by the person wearing or carrying the pedometer. The stride-actuated switch is connected in parallel with the contacts of a function key of the calculator, such as the "add" or "subtract" key. The distance covered by the wearer in a normal stride is entered in a conventional fashion into the calculator by operation of the appropriate data entry keys. Then, each time a step is taken by the user, this data is added or subtracted (in accordance with the function selected by the user) to continuously provide an indication of the distance traveled or distance remaining to be traveled. Alternatively, the calculator may be used to provide a unit count of each step taken and this total then may be multiplied in the calculator by a constant corresponding to the average distance of each step taken by the user.
    Type: Grant
    Filed: August 16, 1976
    Date of Patent: October 11, 1977
    Inventor: John C. Sherrill
  • Patent number: 4051532
    Abstract: A low level video auxiliary signal is transmitted in addition to the conventional composite black and white or color television signal. The auxiliary signal is in the form of redundant, opposite-polarity signal portions during pairs of time successive signal portions, such as horizontal lines or fields of the composite television signal. The auxiliary signal also may be transmitted in the form of a predetermined frequency with the auxiliary information on successive lines of the composite television signal being out of phase by one-half the period of the auxiliary signal frequency. When the composite signal is detected and displayed by the conventional circuitry in the receiver, the auxiliary information is visually cancelled in the image displayed on the cathode ray tube and the normal video information is displayed.
    Type: Grant
    Filed: June 19, 1975
    Date of Patent: September 27, 1977
    Assignee: Matsushita Electric Company of America
    Inventors: Francis H. Hilbert, Theodore S. Rzeszewski
  • Patent number: 4048949
    Abstract: A turret indicator for a television receiver includes a stationary gear attached to a mounting base with a shaft passing through it. A rotatable carrier turret is mounted on the shaft and it carries five rotatable planetary indicator turrets which are programmed with channel numbers, five on each indicator turret to give a total of 25 indicating positions. When the rotatable carrier turret is rotated, the numerals on the indicator turrets appear sequentially at a viewing window in the television receiver cabinet.
    Type: Grant
    Filed: November 15, 1976
    Date of Patent: September 20, 1977
    Assignee: Matsushita Electric Company of America
    Inventor: Hans Schmidt
  • Patent number: 4050050
    Abstract: A potentiometer assembly particularly suited for supplying tuning voltages for all of the bands of signals capable of receipt by a television receiver or the like, includes three segments of resistive material arranged in a circle on a support member. Each of the segments corresponds to a different band of frequencies to which the television receiver may be tuned. Band selection is effected by comparable conductive segments on the support member.In one embodiment, a single wiper is used to sweep all of the resistive segments to supply the desired tuning voltage output. A cam arrangement is used to adjust the detented position of the wiper relative to the support member to effect fine tuning at each position. Other embodiments utilize individually adjustable wipers for each station or detent position of the tuner, with each wiper being preset to effect the fine tuning at the detented position of the potentiometer assembly.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: September 20, 1977
    Assignee: Matsushita Electric Company of America
    Inventors: Mutsuo Nakanishi, Hans Schmidt
  • Patent number: 4047475
    Abstract: A ventilating damper assembly particularly adapted for use in conjunction with an evaporative cooler system for architectural structures includes a duct inserted into the ceilings of rooms cooled by the evaporative cooling system to discharge air from within the room through an attic space located above the ceiling and out into the atmosphere through vents in the attic. The ventilating damper assembly has a gravity-closed pivotally-mounted lid on the upper end of the duct to keep the duct closed whenever the evaporative cooling system is not in operation or whenever backdrafts from the attic occur. Positive air pressure within the room moves air upwardly through the damper assembly, opening the lid to permit air to escape from the room into the attic, thereby maintaining the air flow necessary for efficient operation of an evaporative cooler and additionally exhausting the relatively cool air into the attic space above the ceiling to further improve the cooling efficiency of the system.
    Type: Grant
    Filed: August 2, 1976
    Date of Patent: September 13, 1977
    Assignee: Mission Marketing Corporation of Arizona
    Inventor: Howard W. Cox
  • Patent number: 4046995
    Abstract: A digital card reader is connected to supply input data to a random access memory corresponding to pre-coded information on cards inserted into the reader. The insertion of a card into the reader causes a binary counter to advance one binary count to address the next location in the memory for storing the data on the card. The outputs of the binary counter, which have encoded thereon the binary addresses, are further coupled to a digital-to-analog converter having an output lead on which an analog representation of the selected address appears. This output lead of the digital-to-analog converter is used to operate an analog meter, such as an ammeter, having a scale calibrated to indicate the degree of fullness of the memory as determined by the binary encoded address information.
    Type: Grant
    Filed: November 17, 1975
    Date of Patent: September 6, 1977
    Assignee: Engineered Systems, Inc.
    Inventor: Ernest J. Salley
  • Patent number: 4047227
    Abstract: A television receiver includes a provision for processing auxiliary signals in addition to the conventional information signals. The auxiliary signals comprise various combinations of N signals out of a total of M possible signals, where N and M are positive integers greater than 1, and N is less than M. The auxiliary signals preferably are audio signals outside the normal audible range, and the decoding of unique combinations of these signals at a receiver is used to provide channel number identification when the signals are transmitted from transmitting stations. In addition, the auxiliary signals transmitted from a transmitting station are used to control signal-seek tuning, direct channel access, or channel display. Also, unique combinations of N out of M possible signals are used in a remote control system to provide output signals indicative of different functions to be performed by the television receiver.
    Type: Grant
    Filed: September 2, 1975
    Date of Patent: September 6, 1977
    Assignee: Matsushita Electric Corporation of America
    Inventor: Theodore S. Rzeszewski
  • Patent number: 4040390
    Abstract: A multi-purpose grooming and shedding tool suitable for removing dirt and shedding hair and simultaneously grooming animals, such as horses, is made in the form of an oval-shaped, molded plastic body member having depending grooming teeth formed in a portion of the outer periphery of the tool. A second row of grooming teeth extend downwardly from the body portion and are spaced inwardly from the outer periphery. A separate shedding blade is attached to another portion of the outer periphery of the tool and has more closely spaced teeth in it than the grooming teeth molded into the main body portion of the tool.
    Type: Grant
    Filed: January 12, 1976
    Date of Patent: August 9, 1977
    Inventor: James E. Rosenbaum
  • Patent number: 4041535
    Abstract: A television tuning system employs a frequency synthesizer system for establishing the tuning of the receiver. A first programmable frequency divider controlled by a reversible counter is connected between the output of a reference oscillator and a phase comparator to which the output of the local oscillator, after passing through another programmable frequency divider, also is applied. The phase comparator output is a tuning voltage used to control the tuning of the local oscillator. A logic circuit is coupled to sense predetermined relationships of signals from a picture carrier detector, a sound carrier detector, an AFT discriminator circuit, and the presence of vertical synchronization signal components for changing the count in the reversible binary counter to adjust the first programmable frequency divider to compensate for channel frequency offsets which may occur in excess of the pull-in range of the AFT discriminator circuit.
    Type: Grant
    Filed: July 22, 1976
    Date of Patent: August 9, 1977
    Assignee: Matsushita Electric Corporation of America
    Inventors: Theodore S. Rzeszewski, Paul D. Frantzis, Sotirios Sideris
  • Patent number: 4038689
    Abstract: A television tuning system employs a frequency synthesizer system for establishing the tuning of the receiver. A first programmable frequency divider controlled by a reversible counter is connected between the output of a reference oscillator and a phase comparator to which the output of the local oscillator, after passing through another programmable frequency divider, also is applied. The phase comparator output is a tuning voltage used to control the tuning of the local oscillator. A logic circuit is coupled to sense predetermined relationships of signals from a picture carrier detector, a sound carrier detector, an AFT signal, and the presence of vertical synchronization signal components for changing the count in the reversible binary counter to adjust the first programmable frequency divider to compensate for channel frequency offsets which may occur in excess of the pull-in range of the AFT circuit.
    Type: Grant
    Filed: June 14, 1976
    Date of Patent: July 26, 1977
    Assignee: Matsushita Electric Corporation of America
    Inventors: Theodore S. Rzeszewski, Paul D. Frantzis, Sotirios Sideris