David M Pringle

US Patent:

7948184, May 24, 2011

Filed:

Oct 2, 2007

Appl. No.:

11/906573

Inventors:

David M. Heffelfinger - Sequim WA, US
David A. Pringle - Los Angeles CA, US
David B. McDonald - Santa Clarita CA, US
Ashot Nalbandyan - Granada Hills CA, US

Assignee:

Luminys Systems Corp. - Hollywood CA

International Classification:

B60Q 1/14

US Classification:

315 77, 315 82

Abstract:

A vehicle testing lamp system comprising an onboard controller unit, an off-board controller unit, and a lamp fixture. The onboard controller unit comprises a solid state relay, the solid state relay being switchable between an idle output power setting and a high output power setting; a timing circuit,; a transfer circuit; a current sensor; a current regulator; and batteries or other auxiliary power supply. The off-board controller unit comprises a power supply electrically connected to a voltage booster circuit. The lamp fixture comprises an ignitor; a shock mount; and a lamp that is electrically connected to the igniter. The off-board controller supplies power to the lamp at its idle level. The onboard transfer circuit permits the off-board power supply to be disconnected while the onboard controller unit maintains the lamp at idle, and the onboard timing circuit limits the time that the lamp remains at high output. Also disclosed is a method for using a vehicle testing lamp system.

US Patent:

D652556, Jan 17, 2012

Filed:

Jun 17, 2010

Appl. No.:

29/364062

Inventors:

David Pringle - Hollywood CA, US
Ashot Nalbandyan - Granada Hills CA, US

International Classification:

2605

US Classification:

D26 63

US Patent:

20130241421, Sep 19, 2013

Filed:

Mar 11, 2013

Appl. No.:

13/794001

Inventors:

David Pringle - North Hollywood CA, US

Assignee:

Luminys Systems Corp. - North Hollywood CA

International Classification:

H05B 37/02

US Classification:

315171, 315172

Abstract:

A hybrid power supply for a high intensity light includes a power supply coupled to the high intensity light, wherein the power supply has a power rating less than a power rating for the high intensity light, and a battery, the battery having a power rating greater than or equal to the power rating for the high intensity light. A switch is coupled between the high intensity light and the battery, such that when the switch is closed the battery is coupled to the high intensity light, and such that when the switch is open the battery is not coupled to the high intensity light.

US Patent:

6140778, Oct 31, 2000

Filed:

Jun 6, 1995

Appl. No.:

8/466101

Inventors:

David A. Pringle - Pacific Palisades CA
David McDonald - Canyon Country CA
Zhong Fang Yan - Shangai, CN
George Johnson - Hollywood CA

International Classification:

H05B 3700

US Classification:

315289

Abstract:

Disclosed is a lower pressure xenon lamp (12) and the driver circuitry therefor for producing relatively short bursts of intense light from the lamp (12). The lamp (12), including its associated driver circuitry (50) can be used in theatrical, stage, movie and/or video production to simulate, among other things, bursts of lighting. The lamp (12) is installed in a fixture together with a power supply (20) and a control system (50) is provided for controlling when the lamp (12) is turned on and off. Preferably, the control system (50) includes manually operated switches (53, 57, 54) and preferably one or more controllers (50) can be coupled together in a series fashion, should it be desired to control the lamp (12) for a greater number of time cycles then permitted by a single controller (50). Alternative power supplies (20) are disclosed. One power supply (20) permits the intensity of the flashes of light (12) to be controlled.

US Patent:

46866124, Aug 11, 1987

Filed:

Oct 25, 1985

Appl. No.:

6/791214

Inventors:

David A. Pringle - Pacific Palisades CA
Helen Gourley - San Francisco CA

Assignee:

Optech Inc. - Burbank CA

International Classification:

F21V 704

US Classification:

362297

Abstract:

A reflector assembly for projecting a beam of light along an optical axis, the assembly including an enclosure having an aperture for projecting the beam of light and a source of light mounted within the enclosure. A reflecting mirror is disposed within the enclosure and arranged to move axially with respect to the optical axis of the beam of light between positions adjacent the aperture and remote from the aperture. A plurality of reflector segments are disposed between the movable reflector and the aperture in the enclosure, the segments each being defined as a portion of a cone or cylinder and with gaps therebetween arranged so as to permit the passage of air between the segments.

US Patent:

59821124, Nov 9, 1999

Filed:

Mar 22, 1994

Appl. No.:

8/157119

Inventors:

David A. Pringle - Pacific Palisades CA
David McDonald - Canyon Country CA
Zhong Fang Yan - Shangai, CN
George Johnson - Hollywood CA

Assignee:

David A. Pringle - Pacific Palisades CA

International Classification:

H05B 3702

US Classification:

315289

Abstract:

Disclosed is a low pressure xenon lamp (12) and the driver circuitry therefor for producing relatively short bursts of intense light from the lamp (12). The lamp (12), including its associated driver circuitry (50) can be used in theatrical, stage, movie and/or video production to simulate, among other things, bursts of lighting. The lamp (12) is installed in a fixture together with a power supply (20) and a control system (50) is provided for controlling when the lamp (12) is turned on and off. Preferably, the control system (50) includes manually operated switches (53, 57, 54) and preferably one or more controllers (50) can be coupled together in a series fashion, should it be desired to control the lamp (12) for a greater number of time cycles then permitted by a single controller (50). Alternative power supplies (20) are disclosed. One power supply (20) permits the intensity of the flashes of light (12) to be controlled.

US Patent:

47500972, Jun 7, 1988

Filed:

Nov 25, 1986

Appl. No.:

6/934833

Inventors:

David A. Pringle - Pacific Palisades CA
Helen Gourley - San Francisco CA

Assignee:

Optech Inc. - Burbank CA

International Classification:

F21V 704

US Classification:

362297

Abstract:

A reflecting mirror for reflecting a beam of light emitted from a light source along an optical axis, the mirror comprising at least two spherical sections. Each section is arranged to produce an image of the light source adjacent to but not coincident with the light source.

US Patent:

46926070, Sep 8, 1987

Filed:

Oct 25, 1985

Appl. No.:

6/791215

Inventors:

John T. LaBelle - Long Beach CA
David A. Pringle - Pacific Palisades CA
Daniel McKenna - Kahuku HI

Assignee:

Optech Inc. - Burbank CA

International Classification:

G01J 132

US Classification:

250205

Abstract:

A controlled color light source including a lamp for projecting a beam of light, a power supply for energizing the lamp and a light conduit for sampling a portion of the light emitted from the lamp. A beam splitter is arranged to split the light from the conduit into two channels, and a pair of photo detectors, one for each channel are arranged to receive the light from the conduit via the beam splitter. A divider circuit has a pair of inputs and an output, the inputs being connected to the two photo detectors and an output circuit is connected to the output of the divider circuit for providing an output signal which is proportional to the color of light captured by the conduit.