Gregory R Hamel

US Patent:

6439329, Aug 27, 2002

Filed:

Oct 6, 2000

Appl. No.:

09/684878

Inventors:

Dhaval Vaishnav - Canton MI
Robert Keller - Davisburg MI
Daniel Osterhart - Auburn Hills MI
Gregory Hamel - Huntington Woods MI
Dennis Raney - Northville MI

Assignee:

Ford Global Tech., Inc. - Dearborn MI

International Classification:

B60R 1604

US Classification:

180 685, 429 96

Abstract:

An integrated battery tray and reservoir assembly is provided which is adapted to be operatively installed within the engine compartment of a conventional vehicle. Assembly includes a battery tray portion having a back wall which includes a generally rectangular cavity a vacuum reservoir plate which is sealingly attached to back wall and which cooperates with back wall and cavity to form a sealed vacuum reservoir a valve housing portion which fluidly communicates with reservoir a solenoid valve assembly and a check valve assembly A vacuum hub locks pulse supply line is coupled to valve and selectively receives vacuum pulses from valve Assembly further includes an engine vacuum line and an HVAC vacuum line which are fluidly coupled to vacuum reservoir and which respectively provide and receive vacuum pressure to/from reservoir.

US Patent:

6577737, Jun 10, 2003

Filed:

Feb 17, 2000

Appl. No.:

09/506295

Inventors:

Andrew C. Krochmal - Plymouth MI
Gregory R. Hamel - Livonia MI
John E. Whitecar - Plymouth MI

Assignee:

Visteon Global Technologies, Inc. - Dearborn MI

International Classification:

H03G 1100

US Classification:

381 55, 381120, 381 945

Abstract:

A method of detecting a DC offset in an audio signal provided by an audio processing unit to an audio power amplifier, wherein the audio amplifier provides a clip detect signal back to the audio processing unit, wherein the method comprises the steps of sampling the clip detect signal to determine if the clip detect is active. Detecting a power level of the audio amplifier if the clip detect is active. Next, comparing the power level to a predetermined power threshold. Then, identifying a dc offset if the power level is less than the predetermined power threshold.

US Patent:

6608906, Aug 19, 2003

Filed:

Dec 27, 2001

Appl. No.:

10/034049

Inventors:

Andrew Cyril Krochmal - Plymouth MI
Gregory Roger Hamel - Livonia MI
John Elliott Whitecar - Plymouth MI

Assignee:

Visteon Global Technologies, Inc. - Dearborn MI

International Classification:

H04R 2500

US Classification:

381189, 330 2

Abstract:

The masking-effect of loud audio passages is utilized to reduce the audibility of the fan noise from a cooling fan in an audio system. A power monitor determines an output power of an audio amplifier and generates a power signal proportional to the output power. A switchable cooling fan is positioned to provide a cooling flow of air within the audio system when the cooling fan is turned on. A fan control is coupled to the power monitor and the switchable cooling fan. The fan control compares the power signal with a predetermined threshold and turns on the switchable cooling fan in response to the comparison indicating that reproduction of the amplified audio signals is at an output power level that will substantially mask audible noise created by the switchable cooling fan.

US Patent:

6820238, Nov 16, 2004

Filed:

Feb 19, 2002

Appl. No.:

10/078615

Inventors:

Jack L. Auflick - Westland MI
David S. Cheney - White Lake MI
Michael R. Remenak - Southgate MI
Gregory R. Hamel - Livonia MI
Robert H. Benedict - Ann Arbor MI

Assignee:

Visteon Global Technologies, Inc. - Dearborn MI

International Classification:

G06F 1300

US Classification:

715723, 715716

Abstract:

A multimedia player having a limited user interface achieves quick and easy navigation within a large playlist of stored digital audio files by employing the rotary volume control knob in a separate mode to advance or rollback sequentially through the playlist. Thus, an MP3 player can be implemented for an automotive or vehicular multimedia player without increasing the number of user control elements, such as buttons, knobs, or other switches.

US Patent:

6870934, Mar 22, 2005

Filed:

Jul 15, 2002

Appl. No.:

10/195206

Inventors:

Andrew C. Krochmal - Plymouth MI, US
John E. Whitecar - Plymouth MI, US
Robert K. Cadena - Dearborn MI, US
Gregory R. Hamel - Livonia MI, US

Assignee:

Visteon Global Technologies, Inc. - Dearborn MI

International Classification:

H04R029/00

US Classification:

381 59, 381 96

Abstract:

The presence or absence of a speaker connected to an output terminal of an audio system is determined based on the electro-generator properties of the speaker. The audio system includes an output amplifier coupled to the output terminal. The method includes driving the output amplifier with a predetermined drive signal sufficient to produce a predetermined speaker excursion if a speaker is connected to the output terminal. The output amplifier is then isolated from the output terminal. A signal at the output terminal is sensed after the output amplifier is isolated. The sensed signal is compared with a predetermined reference for determining whether a speaker back-EMF is present. A speaker detection signal is generated indicating absence of a speaker if the back-EMF is not present.

US Patent:

7062338, Jun 13, 2006

Filed:

Feb 14, 2002

Appl. No.:

10/076230

Inventors:

Jack L. Auflick - Westland MI, US
David S. Cheney - White Lake MI, US
Michael R. Remenak - Southgate MI, US
Gregory R. Hamel - Livonia MI, US

Assignee:

Visteon Global Technologies, Inc. - Van Buren Township MI

International Classification:

G06F 17/00
H04B 1/00

US Classification:

700 94, 381 86

Abstract:

An audio multimedia player has dual access modes for navigating between track selections contained in a large storage media, such as a compact disc CD-ROM having compressed audio files. The disc may includes numerous directories for organizing the audio files, but the player has insufficient display resources to show the directories themselves. In a flat file mode, all target audio file on the disc are included in a sequential numbering scheme which ignores any directory structure. In a directory mode, all directories are collapsed onto a single directory level in which subdirectories are moved up to the same top level as all other directories. The directories are sequentially numbered and then the target audio files within each directory are sequentially numbered.

US Patent:

7535426, May 19, 2009

Filed:

Jun 20, 2005

Appl. No.:

11/156406

Inventors:

Robert J. Burnham - Novi MI, US
Gregory R. Hamel - Livonia MI, US
Paul A. DeVries - Wayne MI, US
Jadranko Soc - Ann Arbor MI, US

Assignee:

Visteon Global Technologies, Inc. - Van Buren Township MI

International Classification:

H01Q 1/32

US Classification:

343711, 343712

Abstract:

An automobile head unit display system including an antenna, a lightbox assembly and a circuit board is described therein. The antenna is attached to the lightbox system, while the lightbox assembly is attached to the circuit board. The antenna and the lightbox assembly are in communication with the circuit board.

US Patent:

20030120844, Jun 26, 2003

Filed:

Dec 21, 2001

Appl. No.:

10/029326

Inventors:

Gregory Hamel - Livonia MI, US

International Classification:

G06F013/12

US Classification:

710/072000

Abstract:

An audio storage and reproducing apparatus is provided. The apparatus selectively operates in at least three different modes: as an addressable member of a computer network, as a portable audio player, and as an in-vehicle audio player. While in a computer network, the apparatus can function as a server for audio data files. While in the other modes of operation, the apparatus can serve as a personal audio player.