Transducer Or Diaphragm (e.g., Driver, Magnet, Etc.) Patents (Class D14/222)
  • Component for a vehicular loudspeaker
    Patent number: D302556
    Type: Grant
    Filed: December 19, 1986
    Date of Patent: August 1, 1989
    Assignee: Concept Enterprises, Inc.
    Inventors: Gary S. Weissberg, David Kwang, Masahiko Yamada
  • Component for a vehicular loudspeaker
    Patent number: D302695
    Type: Grant
    Filed: December 19, 1986
    Date of Patent: August 8, 1989
    Assignee: Concept Enterprises, Inc.
    Inventors: Gary S. Weissberg, David Kwang, Masahiko Yamada
  • Transducer
    Patent number: D333468
    Type: Grant
    Filed: April 9, 1990
    Date of Patent: February 23, 1993
    Assignee: Kirk Acoustics A/S
    Inventor: Kaj B. Hansen
  • Mid-range tweeter
    Patent number: D371367
    Type: Grant
    Filed: August 11, 1994
    Date of Patent: July 2, 1996
    Assignee: Leson-Laboratorio de Engenharia Sonica Ltd.
    Inventor: Helio T. Bittencourt
  • Electroacoustic transducer
    Patent number: D377353
    Type: Grant
    Filed: April 30, 1996
    Date of Patent: January 14, 1997
    Assignee: Star Micronics Co., Ltd.
    Inventors: Kazushige Tajima, Yoshio Imahori
  • Electroacoustic transducer
    Patent number: D377936
    Type: Grant
    Filed: March 7, 1996
    Date of Patent: February 11, 1997
    Assignee: Star Micronics Co., Ltd.
    Inventor: Yoshio Imahori
  • Electroacoustic transducer
    Patent number: D386498
    Type: Grant
    Filed: June 13, 1996
    Date of Patent: November 18, 1997
    Assignee: Star Micronics Co., Ltd.
    Inventors: Kazushige Tajima, Yoshio Imahori
  • Magnetic structure for a loudspeaker
    Patent number: D387354
    Type: Grant
    Filed: March 14, 1995
    Date of Patent: December 9, 1997
    Assignee: ACTC Industries, Inc.
    Inventor: Richard J. S. Ueng
  • Electroacoustic transducer
    Patent number: D387767
    Type: Grant
    Filed: March 28, 1996
    Date of Patent: December 16, 1997
    Assignee: Star Micronics Co., Ltd.
    Inventors: Kazushige Tajima, Yoshio Imahori
  • Electroacoustic transducer
    Patent number: D387768
    Type: Grant
    Filed: April 30, 1996
    Date of Patent: December 16, 1997
    Assignee: Star Micronics Co., Ltd.
    Inventor: Takahiro Sone
  • Electroacoustic transducer
    Patent number: D401588
    Type: Grant
    Filed: March 7, 1996
    Date of Patent: November 24, 1998
    Assignee: Star Micronics Co., Ltd.
    Inventor: Isao Fushimi
  • Electroacoustic transducer
    Patent number: D401589
    Type: Grant
    Filed: December 5, 1996
    Date of Patent: November 24, 1998
    Assignee: Star Micronics Co., Ltd.
    Inventors: Takahiro Sone, Yoshio Imahori