GB2032608A - Creación de Inventos y Patentes con Inteligencia Artificial

GB2032608A – Motor vehicle lamp
– Google Patents

GB2032608A – Motor vehicle lamp
– Google Patents
Motor vehicle lamp

Download PDF
Info

Publication number
GB2032608A

GB2032608A
GB7934513A
GB7934513A
GB2032608A
GB 2032608 A
GB2032608 A
GB 2032608A
GB 7934513 A
GB7934513 A
GB 7934513A
GB 7934513 A
GB7934513 A
GB 7934513A
GB 2032608 A
GB2032608 A
GB 2032608A
Authority
GB
United Kingdom
Prior art keywords
lamp
cap
plate
transparent
base
Prior art date
1978-10-30
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Granted

Application number
GB7934513A
Other versions

GB2032608B
(en

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

IAO Industrie Riunite SpA

Original Assignee
IAO Industrie Riunite SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
1978-10-30
Filing date
1979-10-04
Publication date
1980-05-08

1979-10-04
Application filed by IAO Industrie Riunite SpA
filed
Critical
IAO Industrie Riunite SpA

1980-05-08
Publication of GB2032608A
publication
Critical
patent/GB2032608A/en

1983-08-03
Application granted
granted
Critical

1983-08-03
Publication of GB2032608B
publication
Critical
patent/GB2032608B/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

Classifications

F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F21—LIGHTING

F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS

F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights

F21S43/20—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by refractors, transparent cover plates, light guides or filters

F21S43/26—Refractors, transparent cover plates, light guides or filters not provided in groups F21S43/235 – F21S43/255

Description

1 GB 2 032 608 A 1
SPECIFICATION Motor vehicle lamp
This invention relates to a lamp, particularly for a motor vehicle.
In our co-pending application No. 7903483 (Serial No. 2015144) there is disclosed a lamp for motor vehicles, comprising a base which may be fixed to the body of the motor vehicle, a lam p bulb supported by the base, and a transparent cover on the base for enclosing the bulb. For focussing the beam of light emitted by the lamp bulb into a beam having predetermined photometric characteristics a transparent cap with prismatic areas is interposed between the cover and the bulb.
The advantages derived from the invention of the co-pending application are particularly noticeable in those cases in which a cluster of lights (comprising, for example, parking light, stop light, reversing light etc.) constitute an integral 85 part of the profile of the body, rather than a unit in itself, affixed to the body.
The present invention stems from the observation that often, for reasons of design, it is desirable that one or more lights should cover on the outside of the vehicle a relatively extensive area, much greater than that suitable for the said cap. At the same time, it has become desirable that, particularly for a parking light or stop light the said cap should not create (when the bulb is illuminated) a spot of extreme luminosity in the middle of the said relatively extensive area. In principle, it should be possible to overcome this difficulty by means of an appropriate «prismatic» configuration of the transparent cap of the lamp; this would, hQwever, mean a return to precisely those problems which the invention of the co pending application was intended to avoid.
According to the present invention, there is provided a lamp for a motor vehicle including a lamp bulb socket and a transparent cap with prismatic areas for focussing the light flux emitted by a lamp bulb into a beam having predetermined photometric characteristics, and wherein a base area of the transparent cap is encompassed by a transparent plate which is in optical contact with the base area, the plate being arranged to receive a proportion of the light flux emitted by the lamp bulb and to subsequently send it in such a direction as to form a luminous halo surrounding the cap.
An embodiment of the invention will now be described with reference to the accompanying drawings in which:
Fig. 1 is an axial section through a lamp, and Fig. 2 is a front end view of the plate of Fig. 1.
A-A indicates an axial plane containing the axis X of lamp buib 10. 12 indicates a prismatic cap, constructed and cooperating with the lamp bulb 10 in the manner described in the co-pending 125 application. The base 12A of the cap 12 is substantially coplanar with the focus F of the lamp bulb and is therefore provided from the interior with a ring of rays R directed radially with respect to the axis X. It may be noted that in the arrangements described in the co-pending application this ring of rays would be scarcely (if at all) exploited by the cap 12.
14 indicates a transparent plate, of rectangular flat shape, having a circular central aperture 16 coupled mechanically and optically to the base 12A (assumed likewise to the circular) of the cap 12. In the two figures of the drawing, there are shown two embodiments of the plate, illustrated respectively to the right and to the left of the plane A-A. In the embodiment illustrated to the right, the plate 14 has prismatic elements 18 formed in its front major surface, whilst in the embodiment illustrated on the left the prismatic elements 18′ are formed in the rear major surface of the plate. In both cases the prismatic elements are made up of circular grooves concentric with the axis X (Fig. 2). When the lamp 10 is illuminated, the rays R are collected and directed into the interior of the plate 14 and then directed forwards from the respective prism elements 18 and 181, as a result of which the cap 12 is encompassed by a luminous screen having the shape of the plate, that is, in this case, rectangular. The luminous contrast between the area occupied by the cap and the surrounding area is thus appreciably reduced.
It will be evident from the drawing that by selecting an appropriate thickness for the plate, or the axial extension of the interface of contact 20 between the plate and the cap, it is possible to direct towards the plate and in the plate a convenient proportion of total luminous flux of the lamp 10, in particular that which in each case would be scarcely exploited by the cover cap 12.
In the majority of cases, a thickness of 5-6 mm is sufficient to obtain the desired effects.
For the plate, the same transparent materials may be used as have already been envisaged for the cap, such as polymethyl methacrylate («plexiglas»), polycarbonate or transparent acrylonitrite-styrene copolymers. The plate may be moulded integrally with the cap. It is preferable, however, to mould it separately, conforming to the shape and dimensions of the area which the lamp is to occupy on the body, and then to insert it subsequently onto the base of the cap by means of a central hole and to secure it firmly to the said base. The mating surfaces should preferably be completely smooth, which is easy to obtain directly in the moulding, such that there is no obstruction to the direct transmission of light from the cap in the plate. If necessary it is possible to ensure or improve the continuity of distance covered by the rays by making use for the fixing of a transparent synthetic adhesive (for example, a cyanacrylic adhesive) adapted to constitute an «optical bridge» between the surfaces of contact.
The plate is preferably flat. However, it could also be slightly concave or convex towards the front if this is necessary or expedient. The front or the rear major surface of the plate is preferably prismatic as described above, in accordance with the principles already known in optics, that is, with frontal prisms functioning by refraction or with 2 GB 2 032 608 A 2 rear prisms functioning by total reflection, such that in each case the path of light directed into the interior of the plate can emerge from the front surface of the latter thus giving the plate the 5 appearance of a luminous screen.

Claims (8)

1. A lamp for a motor vehicle including a lamp bulb socket and a transparent cap with prismatic areas for focussing the light flux emitted by a lamp bulb into a beam having predetermined photometric characteristics, and wherein a base area of the transparent cap is encompassed by a transparent plate which is in optical contact with the base area, the plate being arranged to receive a proportion of the light flux emitted by the lamp bulb and to subsequently send it in such a direction as to form a luminous halo surrounding the cap.

2. A lamp as claimed in claim 1 further including a base adapted to be mounted on the coachwork of the motor vehicle and a transparent 45 cover on the base for enclosing the lamp bulb, the lamp bulb being supported by the base, and the transparent cap being interposed between the transpatent cover and the lamp bulb.

3. A lamp as claimed in claim 1 or claim 2, wherein the plate is a part moulded separately from the cap and subsequently mounted on the said area.

4. A lamp as claimed in claim 1 or claim 2, wherein the plate is moulded integrally with the cap.

5. A lamp as claimed in any one of the preceding claims, wherein one of the major surfaces of the plate has prismatic elements formed by grooves concentric with the axis of the cap.

6. A lamp as claimed in any one of the preceding claims, wherein the plate is substantially flat.

7. A lamp for a motor vehicle substantially as herein described with reference to and as illustrated in the accompanying drawings.

8. A vehicle having a lamp according to any preceding claim.
Printed for Her Majesty’s Stationery Office by the Courier Press, Leamington Spa, 1980. Published by the Patent Office, 25 Southampton Buildings, London, WC2A 1 AY, from which copies may be obtained.
1 I- g

GB7934513A
1978-10-30
1979-10-04
Motor vehicle lamp

Expired

GB2032608B
(en)

Applications Claiming Priority (1)

Application Number
Priority Date
Filing Date
Title

IT69490/78A

IT1160893B
(en)

1978-10-30
1978-10-30

MOTORCYCLE LIGHT

Publications (2)

Publication Number
Publication Date

GB2032608A
true

GB2032608A
(en)

1980-05-08

GB2032608B

GB2032608B
(en)

1983-08-03

Family
ID=11312246
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

GB7934513A
Expired

GB2032608B
(en)

1978-10-30
1979-10-04
Motor vehicle lamp

Country Status (6)

Country
Link

US
(1)

US4371916A
(en)

DE
(1)

DE2941227A1
(en)

ES
(1)

ES246473Y
(en)

FR
(1)

FR2440517A2
(en)

GB
(1)

GB2032608B
(en)

IT
(1)

IT1160893B
(en)

Cited By (1)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

DE1025432B
(en)

1955-10-04
1958-03-06
Helmut Streicher

Device for performing depot fertilization on cultivated plants

Families Citing this family (32)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US4506316A
(en)

1983-08-18
1985-03-19
Gte Products Corporation
Par spot lamp

US4698734A
(en)

1984-06-01
1987-10-06
Peerless Lighting Corporation
Lensed indirect luminaire with side angle brightness control

DE3431772C1
(en)

1984-08-29
1993-04-15
Ulo-Werk Moritz Ullmann Gmbh & Co Kg, 7340 Geislingen
Vehicle light, in particular rear light for motor vehicles

US4583151A
(en)

1984-10-22
1986-04-15
Allen-Bradley Company
Illuminated display

US4792884A
(en)

1987-10-19
1988-12-20
Prince Corporation
Illuminated vanity mirror visor

US5081564A
(en)

1989-07-11
1992-01-14
Koito Manufacturing Co., Ltd.
Vehicular lighting device

JP3204999B2
(en)

1990-06-26
2001-09-04
株式会社スタンレー滋賀製作所

Edge light panel

CH681478A5
(en)

1990-11-12
1993-03-31
Ver Drahtwerke Ag

US5416684A
(en)

1992-03-27
1995-05-16
General Electric Company
Luminaire having predominantly refractive downlight capabilities

US5471372A
(en)

1993-12-06
1995-11-28
Ardco, Inc.
Lighting system for commercial refrigerator doors

GB2301894B
(en)

1995-06-07
1998-03-11
Toyoda Gosei Kk
Light-driven display device

US5791772A
(en)

1996-01-16
1998-08-11
Donnelly Corporation
Lamp assembly with light pipe, light pipe and light pipe/lens assembly

US5877682A
(en)

1996-08-30
1999-03-02
Mack Trucks, Inc.
Vehicular lamp and method

US5800035A
(en)

1996-10-29
1998-09-01
Aichele; William E.
Wheel lighting apparatus

DE19647357A1
(en)

1996-11-15
1998-05-20
Hella Kg Hueck & Co

Vehicle light

DE19654651A1
(en)

1996-12-28
1998-07-02
Teves Gmbh Alfred

Illuminated thumb wheel

US6179443B1
(en)

1998-06-30
2001-01-30
Commercial Refrigerator Door Company, Inc.
Fluorescent lamp lens assembly

JP4058291B2
(en)

2002-04-10
2008-03-05
富士通株式会社

Display device and electronic device

US6679621B2
(en)

2002-06-24
2004-01-20
Lumileds Lighting U.S., Llc
Side emitting LED and lens

US20050135109A1
(en)

2003-12-17
2005-06-23
Guide Corporation, A Delaware Corporation
Light blade

US7354182B2
(en)

2004-06-16
2008-04-08
Kurt Wilson Bartels
Lighting assembly and a wheel rim including a lighting assembly

US20060209536A1
(en)

2004-06-16
2006-09-21
Bartels Kurt W
Lighting assembly and a wheel rim including a lighting assembly

US7546709B2
(en)

2005-10-03
2009-06-16
Solatube International, Inc.
Tubular skylight dome with variable prism

US7800122B2
(en)

2006-09-07
2010-09-21
Hong Kong Applied Science And Technology Research Institute Co., Ltd.
Light emitting diode device, and manufacture and use thereof

CN101295103B
(en)

2007-04-29
2011-09-28
鸿富锦精密工业（深圳）有限公司
Back light module and optical plate

US7922369B2
(en)

2007-10-01
2011-04-12
TecNiq, Inc.
Complex optical lens apparatus for creating rectangular light output distribution

CN101539266B
(en)

2008-03-19
2011-05-11
富准精密工业(深圳)有限公司
Luminous element and lens thereof

US8330342B2
(en)

2009-12-21
2012-12-11
Malek Bhairi
Spherical light output LED lens and heat sink stem system

TWM389220U
(en)

2010-03-23
2010-09-21
Tyc Brother Industrial Co Ltd
Light guide device

US10935211B2
(en)

2014-05-30
2021-03-02
Ideal Industries Lighting Llc
LED luminaire with a smooth outer dome and a cavity with a ridged inner surface

CN110799421A
(en)

2018-12-04
2020-02-14
深圳市大疆创新科技有限公司
Lampshade structure, unmanned aerial vehicle horn, unmanned aerial vehicle and movable platform

US11566774B2
(en)

2020-12-11
2023-01-31
Eaton Intelligent Power Limited
LED luminaire assembly with uplight and sidelight lens

Family Cites Families (19)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US1252505A
(en)

1917-05-01
1918-01-08
Edward F Steinman
Headlight-lens.

US1399973A
(en)

1919-11-08
1921-12-13
Alexander S Limpert
Headlight

US1626615A
(en)

1926-01-16
1927-05-03
Kirby Inc
Illuminating means

US2246320A
(en)

1938-08-06
1941-06-17
Holophane Co Inc
Luminaire

GB531185A
(en)

1939-06-29
1940-12-31
George William Rawlings
Improvements in electric lamps

DE719930C
(en)

1940-05-19
1942-04-20
Herm Riemann Fa

Tail light of limited size combined with reflector

US2454332A
(en)

1944-02-09
1948-11-23
Percival H Mitchell
Lens for lighting equipment

US2566126A
(en)

1947-08-19
1951-08-28
Holophane Co Inc
Street lighting luminaire

GB650352A
(en)

1948-09-07
1951-02-21
Holophane Ltd
Improvements in light projectors

GB812148A
(en)

1954-09-27
1959-04-22
Gen Motors Corp
Improvements in vehicle rear lamp assemblies

US3020395A
(en)

1957-05-27
1962-02-06
Phoenix Glass Co
Lighting device

US3008039A
(en)

1959-06-12
1961-11-07
Truck Lite Co
Vehicle light

DE1165516B
(en)

1959-06-13
1964-03-19
Reitter & Schefenacker

Vehicle light with a cover panel

GB879150A
(en)

1959-06-17
1961-10-04
Lucas Industries Ltd
Lenses for vehicle lamps

DE1430576B2
(en)

1964-01-18
1972-01-27
Robert Bosch Gmbh, 7000 Stuttgart

ELECTRIC LAMP FOR VEHICLES WITH ELASTIC SUSPENSION OF THE SOCKET SUPPORT

US3413508A
(en)

1966-12-19
1968-11-26
Westinghouse Electric Corp
Sealed-beam type electric lamp with non-circular lens component

US3679889A
(en)

1969-11-18
1972-07-25
Holophane Co Inc
Bi-directional highway luminaire

GB1317083A
(en)

1971-05-28
1973-05-16
Chalwyn Ltd
Lenses for road danger lamps

IT1156906B
(en)

1978-02-27
1987-02-04
Iao Industrie Riunite Spa

MOTORCYCLE LIGHT

1978

1978-10-30
IT
IT69490/78A
patent/IT1160893B/en
active

1979

1979-10-04
GB
GB7934513A
patent/GB2032608B/en
not_active
Expired

1979-10-11
DE
DE19792941227
patent/DE2941227A1/en
not_active
Ceased

1979-10-19
US
US06/086,407
patent/US4371916A/en
not_active
Expired – Lifetime

1979-10-26
FR
FR7926592A
patent/FR2440517A2/en
active
Granted

1979-10-29
ES
ES1979246473U
patent/ES246473Y/en
not_active
Expired

Cited By (1)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

DE1025432B
(en)

1955-10-04
1958-03-06
Helmut Streicher

Device for performing depot fertilization on cultivated plants

Also Published As

Publication number
Publication date

GB2032608B
(en)

1983-08-03

DE2941227A1
(en)

1980-05-14

FR2440517A2
(en)

1980-05-30

ES246473U
(en)

1980-02-16

IT7869490D0
(en)

1978-10-30

FR2440517B2
(en)

1983-12-30

ES246473Y
(en)

1980-08-16

US4371916A
(en)

1983-02-01

IT1160893B
(en)

1987-03-11

Información de contacto