US3397342A - Auxiliary circuit employing a diode to ensure the energization of the low beam lamps whenever the motor is operating - Google Patents
Auxiliary circuit employing a diode to ensure the energization of the low beam lamps whenever the motor is operating Download PDFInfo
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- US3397342A US3397342A US550783A US55078366A US3397342A US 3397342 A US3397342 A US 3397342A US 550783 A US550783 A US 550783A US 55078366 A US55078366 A US 55078366A US 3397342 A US3397342 A US 3397342A
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- circuit
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
- H05B39/04—Controlling
- H05B39/06—Switching arrangements, e.g. from series operation to parallel operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2400/00—Special features or arrangements of exterior signal lamps for vehicles
- B60Q2400/30—Daytime running lights [DRL], e.g. circuits or arrangements therefor
Definitions
- FIG. 2 WW United States Patent AUXILIARY CIRCUIT EMPLOYING A DIODE TO ENSURE THE ENERGIZATION OF THE LOW BEAM LAMPS WHENEVER THE MOTOR IS OPERATING Charles L. Dill, Jr., Miami, Fla., assignor to Edward M. Long, Miami, Fla. Filed May 17, 1966, Ser. No. 550,783 2 Claims. (Cl. 315-79) ABSTRACT OF THE DISCLOSURE An automatic circuit for insuring the energizing of the low beam light whenever the motor is in operation. A diode connects the generator directly to the low beam lamps and allows the current to flow only from the generator to the lamps. This circuit parallels the regulator cutout contacts and the regular light switches.
- This invention relates in general to automotive vehicles and more particularly to an accessory attachment for maintaining daylight illumination of the vehicle headlights.
- Prior auxiliary safety lighting ordinary consists of the attachment of one or more auxiliary lights applied to the front end of the vehicle and wired to circuits ordinarily energized by the ignition switch of the engine.
- Another means for maintaining daylight illumination on the front of a vehicle is accomplished by the wiring of existing headlights or parking lights to the circuit normally energized by the ignition switch.
- auxiliary lighting circuits often lead to difliculty inasmuch as the ordinary ignition circuits and their respective fuses or magnetic cut-out means are not designed to carry additional electric loads.
- the battery will discharge at a far greater rate through the auxiliary lights than the rate used to energize the ignition coil, and on occasion, no discharge occurs through the coil when the distributor points happen to stop in open position.
- a further object of the invention is the provision of a diode rectifier in a series circuit means connected to the existing non-grounded conductor of the vehicle lightsto be energized and a predetermined existing one of the cutout terminals of the generator.
- FIG. 1 is a perspective view of the safety light accessory attachment.
- FIG. 2 is a schematic diagram of a portion of a conventional automotive electric circuit including the schematic circuit of the attachment shown in FIG. 1.
- the casing 1 is adapted to be secured by any conventional screw means under the hood of the vehicle by ear 2.
- a flexible insulated wire 3 enters casing 1, marked L for light identification, and terminates in a terminal 4.
- a like 'wire 5 enters casing 1, marked R for relay identification, and terminates in another terminal 4.
- terminals 4-4 may be replaced by spring clips for convenience of attachment.
- a replaceable fuse 6 is retained in a conventional mount assembly 7 secured in the upper side of casing 1, as shown, for protection against the circuits associated with the auxiliary lighting hereinafter described.
- a conventional S.P.S.T. switch 8 is secured in casing 1 opening the aforesaid circuit when desired.
- a storage battery 9 has the negative terminal thereof connected by conductor 10 to the chassis of the vehicle. which will be hereinafter referred to as a common conducting ground.
- the positive terminal of the battery is connected by a conductor 11 through ammeter 12 to one terminal of each of the conventional low beam and high beam switches 13 and 14, respectively, as shown.
- a pair of conventional high-low beam head lamps 15, or equivalent pairs of single lamps have one pair of the terminals thereof connected to ground by conductor 18.
- the remaining terminals of the high beam filaments 16 are both connected to the remaining terminal of switch 14 by a conductor 19.
- the remaining terminals of the low beam filaments 17 are both connected to the remaining terminal of the low beam switch 13 by a conductor 20.
- the low and high beam filaments of both of the right and left headlights may be simultaneously selectively energized by the conventional operation of well known switches 13 and 14, sometimes attached to a single operating button.
- a direct current generator 21 and its related field coil 22 have their negative terminals connected to ground by conductor 23.
- the positive terminal of the generator 21 is connected to a conductor 24 and this conductor, together with the remaining terminal of the field coil 22 is connected to a regulator assembly, such as the conventional type illustrated in the schematic diagram within the large dotted enclosure.
- Conductor 24, in addition to being continuous through the current limiter relay, is connected to a low resistance portion of the cut-out relay coil 25, which terminates in relay blade 26 of the armature of the relay, which is common to contact 27 with the latter urged into off or open position by a spring 28, as shown.
- the mating contact 29 of the cut-out relay completes a circuit to the battery through conductor 11.
- a high resistance portion of the cutout relay 30' has one terminal connected to conductor 24 and the remaining terminal connected to ground.
- the daylight lighting accessory shown in FIG. 1 is diagrammatically shown in dotted rectangle 31 in which terminal 4 of conductor 3 is connected to a junction 32 of negative conductor 20.
- the fuse 6 has one terminal thereof connected to wire 3 and the remaining terminal connected to a terminal of a germanium or silicon diode rectifier 33 marked negative, of appropriate capacity, or equivalent solid state rectifier, by conductor 34 and the remaining terminal of the diode marked positive is connected by conductor 35 to one terminal of the normally closed switch 8.
- the remaining terminal of the switch is connected by conductor 5 to terminal 4 which is attached to the positive junction 36' of conductor 24.
- An important object of this invention resides in the fact that no wiring changes are required in the normal circuitry of the vehicle since all that is required is the attachment of conductors 3 and 5 to existant terminals of the lighting circuit and the regulator assembly. It is now apparent that the diode 33 performs an important function by preventing the flow of battery current from conductor 20 in reverse direction to conductor 24, thus preventing the completion of a circuit to the generator to motor same when the normal low beam lights are energized by the closing of the switch 13 and the engine and generator are stopped or idling at low speed.
- the normally closed switch 8 is provided only to conveniently disable the daylight circuit if desired.
- a suitable resistor may be inserted in series with the diode circuit in the event illumination of lower brilliancy is desired.
- diode circuitry is adaptable to vehicles having the alternator type of generator which includes solid state rectifiers, which systems also require a direct current cut-out in the D.C. charging circuit.
- the plus and minus signs at the connections to the diode relate to the polarity of the circuit rather than the polarity of the diode, and it is also apparent that in vehicles where the positive terminal of the battery is grounded to the chassis, then the connections to the diode are reversed in order to pass the lighting current in proper direction.
- a storage battery with one terminal thereof connected by a conductor to said ground, an electric generator means for charging said battery with one terminal thereof connected to said ground,
- said generator means adapted and constructed for rotation by the said vehicle engine when the latter is operated
- a charging circuit means connected to said second terminal of said generator and the second terminal of said battery for charging said battery when the generator is rotated by the operation of said engine at a predetermined speed
- a magnetic cut-out means in said charging circuit for completing the latter when said generator is rotated and for automatically opening said charging circuit when said engine and said generator are operated at a predetermined idling speed
- a lighting circuit connecting said second terminus of said light means to said second terminal of said battery including a manual on-off switch in said circuit for normally energizing said light means when said switch is moved from said ofi to said on position,
- a solid state rectifier of the uni-directional current flow type having one terminal connected to the said terminus of said light means and the opposite terminal thereof connected to said charging circuit between said generator means and said cut-out means whereby said light means will be energized when said engine is operating and said rectifier will prevent current flow into said generator means when said switch is on and said engine is stopped or idling at low speed.
- a storage battery means in said vehicle including a lighting circuit to said light means for lighting the latter when energized
- an electric generator means adapted and constructed to be rotated by the said engine of said vehicle for charging said battery when rotated at a predetermined minimum speed
- an electric magnetic cut-out means in said battery charging circuit for completing said charging circuit when said generator means is rotated at said predetermined minimum speed and for opening said charging circuit when said generator means is rotated at a predetermined idling speed or stopped,
- an electric rectifier means of the uni-directional current flow type connected between said lighting circuit and the said chargin circuit at the generator side thereof whereby normally said light means will be energized and illuminated when said engine is operated and whereby said rectifier means will prevent current flowing from said lighting circuit through said generator means when said on-oif switch is in on position and said engine is idling at said predetermined idling speed or stopped,
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Description
Aug. 13. 1968 c. DILL, JR 3,397,342
AUXILIARY CIRCUIT EMPLOYING A DIODE TO ENSURE THE ENERGIZATION OF THE LOW BEAM LAMPS WHENEVER THE MOTOR IS OPERATING Filed May 17. 1966 L l J. .l
VOLTAGE CURRENT REVERSE CURRENT E- REGULATOR LIMITER CUT- OUT E INVENTUR.
CHARLES 1.. DILL JR.
FIG. 2 2 WW United States Patent AUXILIARY CIRCUIT EMPLOYING A DIODE TO ENSURE THE ENERGIZATION OF THE LOW BEAM LAMPS WHENEVER THE MOTOR IS OPERATING Charles L. Dill, Jr., Miami, Fla., assignor to Edward M. Long, Miami, Fla. Filed May 17, 1966, Ser. No. 550,783 2 Claims. (Cl. 315-79) ABSTRACT OF THE DISCLOSURE An automatic circuit for insuring the energizing of the low beam light whenever the motor is in operation. A diode connects the generator directly to the low beam lamps and allows the current to flow only from the generator to the lamps. This circuit parallels the regulator cutout contacts and the regular light switches.
This invention relates in general to automotive vehicles and more particularly to an accessory attachment for maintaining daylight illumination of the vehicle headlights.
It has been statistically proved that daylight use of illuminated headlights are an important factor in the reduction of highway accidents.
Prior auxiliary safety lighting ordinary consists of the attachment of one or more auxiliary lights applied to the front end of the vehicle and wired to circuits ordinarily energized by the ignition switch of the engine.
Another means for maintaining daylight illumination on the front of a vehicle is accomplished by the wiring of existing headlights or parking lights to the circuit normally energized by the ignition switch.
The aforesaid auxiliary lighting circuits often lead to difliculty inasmuch as the ordinary ignition circuits and their respective fuses or magnetic cut-out means are not designed to carry additional electric loads.
Furthermore, in the event the ignition switch is accidentally left in on position without the engine of the vehicle operating, the battery will discharge at a far greater rate through the auxiliary lights than the rate used to energize the ignition coil, and on occasion, no discharge occurs through the coil when the distributor points happen to stop in open position.
The above objections and disadvantages are overcome by the provision of an accessory attachment for circuit connection to the conventional low beam headlight circuit or other frontal lights and the generator cut-out of a vehicle for automatically energizing the daylight lights only when the engine of the vehicle is operating, which construction is a principal object of the invention.
A further object of the invention is the provision of a diode rectifier in a series circuit means connected to the existing non-grounded conductor of the vehicle lightsto be energized and a predetermined existing one of the cutout terminals of the generator.
These and other objects and advantages in one embodiment of the invention are described and shown in the following specification and drawing, in which:
FIG. 1 is a perspective view of the safety light accessory attachment.
FIG. 2 is a schematic diagram of a portion of a conventional automotive electric circuit including the schematic circuit of the attachment shown in FIG. 1.
The casing 1 is adapted to be secured by any conventional screw means under the hood of the vehicle by ear 2. A flexible insulated wire 3 enters casing 1, marked L for light identification, and terminates in a terminal 4. A like 'wire 5 enters casing 1, marked R for relay identification, and terminates in another terminal 4. In
"ice
practice, terminals 4-4 may be replaced by spring clips for convenience of attachment. A replaceable fuse 6 is retained in a conventional mount assembly 7 secured in the upper side of casing 1, as shown, for protection against the circuits associated with the auxiliary lighting hereinafter described. A conventional S.P.S.T. switch 8 is secured in casing 1 opening the aforesaid circuit when desired.
Referring to FIG. 2, a portion of a typical schematic automobile circuit is shown wherein a storage battery 9 has the negative terminal thereof connected by conductor 10 to the chassis of the vehicle. which will be hereinafter referred to as a common conducting ground. The positive terminal of the battery is connected by a conductor 11 through ammeter 12 to one terminal of each of the conventional low beam and high beam switches 13 and 14, respectively, as shown. For illustration, a pair of conventional high-low beam head lamps 15, or equivalent pairs of single lamps, have one pair of the terminals thereof connected to ground by conductor 18. The remaining terminals of the high beam filaments 16 are both connected to the remaining terminal of switch 14 by a conductor 19. The remaining terminals of the low beam filaments 17 are both connected to the remaining terminal of the low beam switch 13 by a conductor 20.
Thus it is apparent that the low and high beam filaments of both of the right and left headlights may be simultaneously selectively energized by the conventional operation of well known switches 13 and 14, sometimes attached to a single operating button.
Since only a portion of the generator regulator circuitry shown in the large dotted enclosure in FIG. 2 is used in this invention only that portion shown in heavy lines is directly related to the attachment shown in FIG. 1.
A direct current generator 21 and its related field coil 22 have their negative terminals connected to ground by conductor 23. The positive terminal of the generator 21 is connected to a conductor 24 and this conductor, together with the remaining terminal of the field coil 22 is connected to a regulator assembly, such as the conventional type illustrated in the schematic diagram within the large dotted enclosure. Conductor 24, in addition to being continuous through the current limiter relay, is connected to a low resistance portion of the cut-out relay coil 25, which terminates in relay blade 26 of the armature of the relay, which is common to contact 27 with the latter urged into off or open position by a spring 28, as shown. The mating contact 29 of the cut-out relay completes a circuit to the battery through conductor 11. A high resistance portion of the cutout relay 30' has one terminal connected to conductor 24 and the remaining terminal connected to ground.
The daylight lighting accessory shown in FIG. 1 is diagrammatically shown in dotted rectangle 31 in which terminal 4 of conductor 3 is connected to a junction 32 of negative conductor 20. The fuse 6 has one terminal thereof connected to wire 3 and the remaining terminal connected to a terminal of a germanium or silicon diode rectifier 33 marked negative, of appropriate capacity, or equivalent solid state rectifier, by conductor 34 and the remaining terminal of the diode marked positive is connected by conductor 35 to one terminal of the normally closed switch 8. The remaining terminal of the switch is connected by conductor 5 to terminal 4 which is attached to the positive junction 36' of conductor 24.
In operation and when the automative engine is started, and the generator is operating at any predetermined charging speed, it will operate and energize conductor 24 with reference to ground and complete a circuit through the high resistance portion 30 of the cutout relay to ground and thus attract the armature and blade 26 against thhe restraining action of spring 28 to close cut-out contacts 27 and 29, which will complete the battery charge circuit through the low resistance portion 25 of the cut-out relay, which portion will hold the contacts 27 and 29 in closed position for the charge at a well known considerably higher potential than the normal potential of the battery and simultaneously energize and light the low beam filaments 1717 through the series diode circuit shown in enclosure 31 and connected to junctions 32 and 36, respectively.
When the engine of the vehicle is stopped and the generator 21 is inoperative, then the spring 28 will open contacts 27 and 29 and prevent the battery energy from flowing into the generator and simultaneously de-energize the series diode circuit through enclosure 31 and deenergize filaments 1717 of the low beam lights.
Since the above described frontal illumination can only be energized when the engine is operating, it is apparent that because of the direction of the charging flow of current from the generator that the energy for the illumination is furnished by the generator rather than by the battery.
An important object of this invention resides in the fact that no wiring changes are required in the normal circuitry of the vehicle since all that is required is the attachment of conductors 3 and 5 to existant terminals of the lighting circuit and the regulator assembly. It is now apparent that the diode 33 performs an important function by preventing the flow of battery current from conductor 20 in reverse direction to conductor 24, thus preventing the completion of a circuit to the generator to motor same when the normal low beam lights are energized by the closing of the switch 13 and the engine and generator are stopped or idling at low speed. The normally closed switch 8 is provided only to conveniently disable the daylight circuit if desired.
It is to be noted that a suitable resistor may be inserted in series with the diode circuit in the event illumination of lower brilliancy is desired.
It will also be apparent to those skilled in this art that the above described diode circuitry is adaptable to vehicles having the alternator type of generator which includes solid state rectifiers, which systems also require a direct current cut-out in the D.C. charging circuit.
It is further to be noted that the plus and minus signs at the connections to the diode relate to the polarity of the circuit rather than the polarity of the diode, and it is also apparent that in vehicles where the positive terminal of the battery is grounded to the chassis, then the connections to the diode are reversed in order to pass the lighting current in proper direction.
It is understood that certain modifications in the above construction, utilizing the features described, are intended to come within the scope of the appended claims.
Having described my invention, I claim:
1. In an engine driven vehicle of the general character described a means forming a common electric conducting ground,
a storage battery with one terminal thereof connected by a conductor to said ground, an electric generator means for charging said battery with one terminal thereof connected to said ground,
said generator means adapted and constructed for rotation by the said vehicle engine when the latter is operated,
a charging circuit means connected to said second terminal of said generator and the second terminal of said battery for charging said battery when the generator is rotated by the operation of said engine at a predetermined speed,
a magnetic cut-out means in said charging circuit for completing the latter when said generator is rotated and for automatically opening said charging circuit when said engine and said generator are operated at a predetermined idling speed,
an electric light means on the front of said vehicle with one terminus thereof connected to said ground,
a lighting circuit connecting said second terminus of said light means to said second terminal of said battery including a manual on-off switch in said circuit for normally energizing said light means when said switch is moved from said ofi to said on position,
a solid state rectifier of the uni-directional current flow type having one terminal connected to the said terminus of said light means and the opposite terminal thereof connected to said charging circuit between said generator means and said cut-out means whereby said light means will be energized when said engine is operating and said rectifier will prevent current flow into said generator means when said switch is on and said engine is stopped or idling at low speed.
2. In an engine driven vehicle of the general character described an electric light means on the front of said vehicle,
a storage battery means in said vehicle including a lighting circuit to said light means for lighting the latter when energized,
an electric on-otf switch means in said lighting circuit for manually energizing same when in said on position for manually energizing said light means,
an electric generator means adapted and constructed to be rotated by the said engine of said vehicle for charging said battery when rotated at a predetermined minimum speed,
a charging circuit connecting said generator means to said battery means,
an electric magnetic cut-out means in said battery charging circuit for completing said charging circuit when said generator means is rotated at said predetermined minimum speed and for opening said charging circuit when said generator means is rotated at a predetermined idling speed or stopped,
an electric rectifier means of the uni-directional current flow type connected between said lighting circuit and the said chargin circuit at the generator side thereof whereby normally said light means will be energized and illuminated when said engine is operated and whereby said rectifier means will prevent current flowing from said lighting circuit through said generator means when said on-oif switch is in on position and said engine is idling at said predetermined idling speed or stopped,
References Cited UNITED STATES PATENTS 3,155,935 11/1964 Pfister 317-234 X 3,179,853 4/1965 Kozacka 317234 X 3,262,011 7/1966 Cones 315-82 3,337,846 8/1967 Hollins 315-82 X 3,341,736 9/1967 Fortney 3l5-82 JAMES W. LAWRENCE, Primary Examiner.
C. R. CAMPBELL, Assistant Examiner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US550783A US3397342A (en) | 1966-05-17 | 1966-05-17 | Auxiliary circuit employing a diode to ensure the energization of the low beam lamps whenever the motor is operating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US550783A US3397342A (en) | 1966-05-17 | 1966-05-17 | Auxiliary circuit employing a diode to ensure the energization of the low beam lamps whenever the motor is operating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US3397342A true US3397342A (en) | 1968-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US550783A Expired - Lifetime US3397342A (en) | 1966-05-17 | 1966-05-17 | Auxiliary circuit employing a diode to ensure the energization of the low beam lamps whenever the motor is operating |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US3397342A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3497708A (en) * | 1967-10-24 | 1970-02-24 | Millard W Axelrod | Control circuit responsive to vehicle speed |
| US3699514A (en) * | 1971-10-18 | 1972-10-17 | Walter R Stevens | Automatic control of headlights, taillights, and warning flasher lights |
| US3774071A (en) * | 1972-07-24 | 1973-11-20 | R Goodrich | Headlight control |
| US3863101A (en) * | 1974-05-24 | 1975-01-28 | Robert W Booker | Warning system for indicating automobile head lights are on |
| US3876904A (en) * | 1974-01-28 | 1975-04-08 | Rockwell International Corp | Light switch control |
| US4713584A (en) * | 1987-03-19 | 1987-12-15 | Jean Pierre Paul | Vehicle light control system for automotive vehicles |
| US4723095A (en) * | 1987-03-10 | 1988-02-02 | Dominion Automotive Industries Inc. | Daytime running lights using turn signal lamps |
| US4928036A (en) * | 1987-11-23 | 1990-05-22 | General Motors Corporation | Vehicle headlamp system with series high beam daylight running lamp operation |
| US20050083706A1 (en) * | 2003-10-21 | 2005-04-21 | Raymond Kesterson | Daytime running light module and system |
| US20080007180A1 (en) * | 2003-10-21 | 2008-01-10 | Raymond Kesterson | Directional lamp daytime running light module and vehicular turn signal control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3155935A (en) * | 1957-01-30 | 1964-11-03 | Allen Bradley Co | Sealed resistor |
| US3179853A (en) * | 1960-02-29 | 1965-04-20 | Chase Shawmut Co | Integral semiconductor diode and diode-fuse unit |
| US3262011A (en) * | 1963-07-02 | 1966-07-19 | Ben Cones | Headlamp for both day and night driving |
| US3337846A (en) * | 1964-05-04 | 1967-08-22 | Jesse R Hollins | Vehicle directional, emergency, and daylight driving signal light system |
| US3341736A (en) * | 1965-05-07 | 1967-09-12 | Roger D Fortney | Daytime driving safety light system for automotive vehicles |
-
1966
- 1966-05-17 US US550783A patent/US3397342A/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3155935A (en) * | 1957-01-30 | 1964-11-03 | Allen Bradley Co | Sealed resistor |
| US3179853A (en) * | 1960-02-29 | 1965-04-20 | Chase Shawmut Co | Integral semiconductor diode and diode-fuse unit |
| US3262011A (en) * | 1963-07-02 | 1966-07-19 | Ben Cones | Headlamp for both day and night driving |
| US3337846A (en) * | 1964-05-04 | 1967-08-22 | Jesse R Hollins | Vehicle directional, emergency, and daylight driving signal light system |
| US3341736A (en) * | 1965-05-07 | 1967-09-12 | Roger D Fortney | Daytime driving safety light system for automotive vehicles |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3497708A (en) * | 1967-10-24 | 1970-02-24 | Millard W Axelrod | Control circuit responsive to vehicle speed |
| US3699514A (en) * | 1971-10-18 | 1972-10-17 | Walter R Stevens | Automatic control of headlights, taillights, and warning flasher lights |
| US3774071A (en) * | 1972-07-24 | 1973-11-20 | R Goodrich | Headlight control |
| US3876904A (en) * | 1974-01-28 | 1975-04-08 | Rockwell International Corp | Light switch control |
| US3863101A (en) * | 1974-05-24 | 1975-01-28 | Robert W Booker | Warning system for indicating automobile head lights are on |
| US4723095A (en) * | 1987-03-10 | 1988-02-02 | Dominion Automotive Industries Inc. | Daytime running lights using turn signal lamps |
| US4713584A (en) * | 1987-03-19 | 1987-12-15 | Jean Pierre Paul | Vehicle light control system for automotive vehicles |
| US4928036A (en) * | 1987-11-23 | 1990-05-22 | General Motors Corporation | Vehicle headlamp system with series high beam daylight running lamp operation |
| US20050083706A1 (en) * | 2003-10-21 | 2005-04-21 | Raymond Kesterson | Daytime running light module and system |
| US7019463B2 (en) | 2003-10-21 | 2006-03-28 | Raymond Kesterson | Daytime running light module and system |
| US20070273495A1 (en) * | 2003-10-21 | 2007-11-29 | Raymond Kesterson | Directional lamp daytime running light module, fog light system and vehicular turn signal control system |
| US20080007180A1 (en) * | 2003-10-21 | 2008-01-10 | Raymond Kesterson | Directional lamp daytime running light module and vehicular turn signal control system |
| US7482756B2 (en) | 2003-10-21 | 2009-01-27 | Raymond Kesterson | Directional lamp daytime running light module and vehicular turn signal control system |
| US7619511B2 (en) | 2003-10-21 | 2009-11-17 | Raymond Kesterson | Directional lamp daytime running light module, fog light system and vehicular turn signal control system |
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