Patents Represented by Attorney Blum Kaplan
  • Patent number: 5268777
    Abstract: An active element on an insulating substrate of an electro-optical display device includes a layer of ferroelectric material as an active layer between two electrodes for each pixel in the display. The active device includes a first electrode formed on an insulating substrate, the ferroelectric layer covering the first electrode and the insulating substrate, and the second electrode disposed on the ferroelectric layer for overlapping a portion of the first electrode with the ferroelectric material therebetween. Preferably, the ferroelectric material is an organic ferroelectric material.
    Type: Grant
    Filed: October 10, 1991
    Date of Patent: December 7, 1993
    Assignee: Seiko Epson Corporation
    Inventor: Takashi Sato
  • Patent number: 5265316
    Abstract: The invention relates to a piezoelectric oscillator wherein a case and a stem are coated with a solder containing 90% and higher of lead, an inner lead is also coated with the solder thereby fixing a piece of piezoelectric oscillator by melting the solder. The invention further relates to a piezoelectric oscillator wherein the piezoelectric oscillator is performed casing by resin or metallic plate, and to a piezoelectric oscillating apparatus wherein IC and a piezoelectric oscillator are internally mold to achieve a molding of high efficiency without inferiority while surface mounting.
    Type: Grant
    Filed: October 17, 1991
    Date of Patent: November 30, 1993
    Assignee: Seiko Epson Corporation
    Inventors: Tatsuo Ikeda, Hiroyuki Ogiso, Kazushige Ichinose
  • Patent number: 5263960
    Abstract: An ear piercing assembly includes a disposable cartridge assembly including a first and second ear piercing earring and an ear piercing earring retaining sub-assembly for releaseably supporting the ear piercing earring therein. A clutch retaining sub-assembly is integrally formed with the ear piercing earring retaining sub-assembly and releaseably supports a first and second clutch therein. An ear piercing instrument is adapted to receive the cartridge assembly and includes a plunger assembly for ejecting an ear piercing earring from the ear piercing earring retaining sub-assembly and is displaceable for selectively moving between a first position for ejecting the first ear piercing earring from the ear piercing earring retaining sub-assembly and a second position for ejecting the second ear piercing earring from the ear piercing earring retaining sub-assembly.
    Type: Grant
    Filed: November 12, 1992
    Date of Patent: November 23, 1993
    Assignee: Inverness Corporation
    Inventor: Samuel J. Mann
  • Patent number: 5265265
    Abstract: A portable radio communication device such as wristwatch receiver and/or transmitter is provided with an effective noise shielding structure. The portable radio communication device includes a high frequency analog circuitry for receiving and transmitting radio signals and further includes digital circuitry for data processing and display. The noise shielding structure protects high frequency noise from being transmitted to the analog circuitry from the digital circuitry and from other outside sources. The noise shielding structure is made of electrically conductive material. In another aspect of the invention, at least one circuit board constructed of a multi-layered construction having at least one inner printed wire pattern is provided. The inner printed wire pattern is set at ground potential with respect to the high frequency output from the analog circuitry. In this manner the inner printed wire pattern serves as a noise shielding member.
    Type: Grant
    Filed: February 8, 1991
    Date of Patent: November 23, 1993
    Assignee: Seiko Epson Corporation
    Inventors: Norio Hama, Shyogo Kurosawa
  • Patent number: 5265166
    Abstract: A multi-channel sound simulation system for processing a stereophonic signal having a high frequency component for use with at least a pair of primary loudspeakers and a pair of secondary loudspeakers includes a receiving member for receiving the stereophonic signal and for producing a first primary channel signal and a second primary channel signal. The first and second primary channel signals are adapted to be respectively applied to a first primary loudspeaker and a second primary loudspeaker. The receiving member is further adapted to divide the input signal into a first secondary channel signal and a second secondary channel signal. The first and second secondary channel signals are fed through a roll-off member which inhibits the high frequency component of the signal, thereby producing inhibited first and second secondary channel signals.
    Type: Grant
    Filed: October 30, 1991
    Date of Patent: November 23, 1993
    Assignee: Panor Corp.
    Inventors: Peter Madnick, Robert Rapoport
  • Patent number: 5265070
    Abstract: A receiver with timekeeping function for maintaining and displaying at least two different times of day which are each updated based on an external signal. The receiver includes first timekeeping circuitry for generating first time related information and second timekeeping circuitry for generating second time related information. Each time of day is represented by hours, minutes and seconds. The second time of day is further adjusted based on the adjustments made to the first time of day to insure that the second time of day does not gain or lose a minute of time.
    Type: Grant
    Filed: June 7, 1991
    Date of Patent: November 23, 1993
    Assignee: Seiko Epson Corporation
    Inventor: Yoshiki Minowa
  • Patent number: 5265086
    Abstract: An information recording disk formed from two substrates with a stepped central opening for receiving a hub within the stepped recess of at least one of the substrates is provided. In one embodiment, the central aperture of the first substrate is larger than the central aperture of the second substrate to form the stepped recess. In another embodiment, at least one substrate has a stepped surface defining a central aperture and a hub structure is mounted within this stepped recess to reduce overall thickness of the disk.
    Type: Grant
    Filed: July 29, 1992
    Date of Patent: November 23, 1993
    Assignee: Seiko Epson Corporation
    Inventors: Tsutomu Ota, Mamoru Sugimoto, Yasuto Nose, Hidetoshi Yoshitaki, Tatsuro Higashi, Takashi Hayashi
  • Patent number: 5262772
    Abstract: A transponder scanner for scanning a passive transponder within a high noise environment has a housing. A ferrite rod is positioned within the housing. A high gauge thin wire is wound about the ferrite rod to form a magnetic coil so that adjacent coils of the magnetic coil are separated by a distance much greater than the diameter of the magnetic wire. A CPU receives the scanned signal corresponding to a preprogrammed code and an in house generated code and maps the preprogrammed code to the in house generated code.
    Type: Grant
    Filed: November 21, 1990
    Date of Patent: November 16, 1993
    Assignee: Bio Medic Data Systems, Inc.
    Inventors: Donald J. Urbas, Cornelia A. O'Neill
  • Patent number: 5260899
    Abstract: A semiconductor memory device for reading data from a selected memory cell. The memory cells are arranged in an array. First bit lines and word lines, coupled to the memory cells, are arranged in a matrix. The word lines select the selected cell. An amplification circuit amplifies the current passing through the selected memory cell and is coupled to the first bit. A second bit line is coupled to the amplification circuit and carries the amplified current. A sensing circuit coupled to the second bit line senses the current on the second bit line. As a result, the current passing through the selected memory cell is detected.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: November 9, 1993
    Assignee: Seiko Epson Corporation
    Inventors: Hirofumi Yasuda, Akira Uematsu
  • Patent number: 5258857
    Abstract: An image input device including a rare gas cold cathode discharge tube is provided to read an irradiated picture image using a photoelectric transducer element. The rare gas cold cathode tub includes a linear tube including a main electrode, an auxiliary electrode and a conductive member connected to the auxiliary electrode for preventing deflections of a positive column formed along the auxiliary electrode. The tube is successively powered on and off. Three of such tubes of different colors may be provided and the irradiated picture image may be read by a storage type photoelectric transducer element.
    Type: Grant
    Filed: May 21, 1992
    Date of Patent: November 2, 1993
    Assignee: Seiko Epson Corporation
    Inventor: Shuuichi Ichinose
  • Patent number: 5255988
    Abstract: A printing head for use in a wire impact dot printer comprising a cylindrical heat radiating member, core block and nose frame. The core block is inserted into the heat radiating member and hermetically joined thereto by a heat conductive resin material. The heat radiating member has a mounting portion which is utilized to join the heat radiating member to a mounting reference surface of the carriage. The nose frame is secured to the heat radiating member by a positioning and fixing portion which registers with the mounting portion of the heat radiating member and mounting reference surface of the carriage.
    Type: Grant
    Filed: March 12, 1991
    Date of Patent: October 26, 1993
    Assignee: Seiko Epson Corporation
    Inventor: Kazuhiko Yamamoto
  • Patent number: 5253842
    Abstract: A quick disconnect water valve includes a female housing for receiving a male coupling member. The female housing is formed with a channel therein providing a water pathway. An O-ring is disposed within the channel. The O-ring is disposed between a first sleeve and a second sleeve which aligns the O-ring relative to a male coupling member received by the female housing.
    Type: Grant
    Filed: July 30, 1992
    Date of Patent: October 19, 1993
    Assignee: Lab Products, Inc.
    Inventors: Laszlo Huebscher, Eric A. Deitrich
  • Patent number: 5255247
    Abstract: An integrated circuit for an electronic timepiece includes at least one semiconductor nonvolatile memory device. Reference data can be checked across a pair of output terminals prior to being stored in at least one EPROM to check the accuracy and acceptability of the reference data for driving a motor of the timepiece. The reference data once written into the EPROM serves as control data. Both the reference data and control data are used for controlling at least one function of the timepiece. The control data also can be checked across the output terminals to determine its accuracy and acceptability for driving the motor. Testing of the reference data and control data can be performed on a faster than real time basis.
    Type: Grant
    Filed: September 1, 1992
    Date of Patent: October 19, 1993
    Assignee: Seiko Epson Corporation
    Inventor: Tatsuo Moriya
  • Patent number: 5252940
    Abstract: A magnetic material and an actuator having magnetic circuit elements incorporating the magnetic material formed of equal amounts of iron and cobalt and between about 2.1 to 5% by weight vanadium. The actuator is well suited for inclusion in an impact printer for driving the impact members of the impact printer in response to printing signals. The composition of the magnetic material of the actuator provides high energy efficiency under greatly fluctuating direct current conditions by reducing eddy currents.
    Type: Grant
    Filed: March 22, 1991
    Date of Patent: October 12, 1993
    Assignee: Seiko Epson Corporation
    Inventor: Minoru Tanaka
  • Patent number: D340944
    Type: Grant
    Filed: January 6, 1992
    Date of Patent: November 2, 1993
    Assignee: Seiko Epson Corporation
    Inventor: Shoichi Ishizawa
  • Patent number: D340946
    Type: Grant
    Filed: January 17, 1992
    Date of Patent: November 2, 1993
    Assignee: Seiko Epson Corporation
    Inventor: Makoto Kobayashi
  • Patent number: D341157
    Type: Grant
    Filed: June 10, 1991
    Date of Patent: November 9, 1993
    Assignee: Seiko Epson Corporation
    Inventors: Ko H. Kitahara, Seiji Mochizuki, Kazuhisa Kawakami
  • Patent number: D341336
    Type: Grant
    Filed: February 7, 1991
    Date of Patent: November 16, 1993
    Assignee: Buck-L-Its Marketing Inc.
    Inventor: James A. Stathis
  • Patent number: D341823
    Type: Grant
    Filed: February 20, 1992
    Date of Patent: November 30, 1993
    Assignee: Seiko Epson Corporation
    Inventor: Hiroaki Sakai
  • Patent number: D342058
    Type: Grant
    Filed: November 19, 1991
    Date of Patent: December 7, 1993
    Assignee: Seiko Epson Corporation
    Inventor: Tomoyuki Tsuchiya