Lloyd A Tarr

age ~77

from Fountain Hills, AZ

Also known as:
  • Lloyd Tarr
  • Lloyd Arthur Tarr
  • Elaine Tarr
16608 E Trevino Dr, Scottsdale, AZ 852684808375593

Lloyd Tarr Phones & Addresses

  • 16608 E Trevino Dr, Fountain Hills, AZ 85268 • 4808375593
  • Scottsdale, AZ
  • Maricopa, AZ
  • Tempe, AZ
  • Albuquerque, NM


  • Company:
    May 2006
  • Position:
    Retired director of hardware design


  • School / High School:
    Bradley University
    1963 to 1967


Name / Title
Company / Classification
Phones & Addresses
Lloyd Tarr
Director Hardware Design
Mitel, Inc.
Electronic Parts and Equipment
7300 W Boston St, Chandler, AZ 85226


Lloyd Tarr Photo 1

Independent Telecommunications Professional

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Retired Director of Hardware Design at Inter-Tel
Phoenix, Arizona Area
Inter-Tel since May 2006
Retired Director of Hardware Design

Inter-Tel Integrated Systems, Inc. 1994 - 2006
Director Hardware Design

Inter-Tel 1994 - 2006
Director Hardware Design

Siemens 1987 - Sep 1993

GTE Automatic Electric 1967 - 1990
Bradley University 1963 - 1967

Us Patents

  • Performance Enhancement System For Digital Pbx

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  • US Patent:
    6754187, Jun 22, 2004
  • Filed:
    Apr 6, 2000
  • Appl. No.:
  • Inventors:
    Brady Barnes - Chandler AZ
    Lloyd Tarr - Fountain Hills AZ
    Curtis J. Behun - Phoenix AZ
  • Assignee:
    Inter-Tel, Inc. - Tempe AZ
  • International Classification:
    H04B 138
  • US Classification:
    370286, 370290, 375222
  • Abstract:
    A system for ensuring optimum performance of a modem used in conjunction with a telephone system employing a digital PBX coupled with a two-wire analog trunk includes an echo cancellation circuit having an adaptive filter connected in series circuit with a linear codec between the digital PBX and a two-to-four wire hybrid converter coupled with the two-wire analog telephone trunk. The combination of the echo canceller and the linear codec allows accurate decoding of weak far end modem signals when such signals are summed with a strong near end modem signal echo. The DSP echo canceller removes the very strong near end modem echo and passes the far end modem signal with little distortion, while the linear codec permits accurate recovery of the weak far end signal in the presence of high noise levels.


Lloyd Tarr Photo 2

Lloyd Tarr


Lloyd Tarr Photo 3

Paw Paw High School, Paw ...

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Margaret Burnham (1975-1979),
Ken Carlson (1976-1980),
Lloyd Tarr (1959-1963),
Teresa Mellott (1982-1986)

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