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GB1496991A - Dipping mirrors - Google Patents

Dipping mirrors

Info

Publication number
GB1496991A
GB1496991A GB173176A GB173176A GB1496991A GB 1496991 A GB1496991 A GB 1496991A GB 173176 A GB173176 A GB 173176A GB 173176 A GB173176 A GB 173176A GB 1496991 A GB1496991 A GB 1496991A
Authority
GB
United Kingdom
Prior art keywords
radii
section
same
mirror
jan
Prior art date
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.)
Expired
Application number
GB173176A
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.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB173176A priority Critical patent/GB1496991A/en
Publication of GB1496991A publication Critical patent/GB1496991A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/02—Rear-view mirror arrangements
    • B60R1/08—Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors
    • B60R1/081—Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors avoiding blind spots, e.g. by using a side-by-side association of mirrors
    • B60R1/082—Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors avoiding blind spots, e.g. by using a side-by-side association of mirrors using a single wide field mirror or an association of rigidly connected mirrors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00596—Mirrors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/02—Rear-view mirror arrangements
    • B60R1/08—Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors
    • B60R1/083—Anti-glare mirrors, e.g. "day-night" mirrors
    • B60R1/086—Anti-glare mirrors, e.g. "day-night" mirrors using a mirror angularly movable between a position of use and a non-glare position reflecting a dark field to the user, e.g. situated behind a transparent glass used as low-reflecting surface; Wedge-shaped mirrors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors
    • G02B5/10—Mirrors with curved faces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)

Abstract

1496991 Driving mirrors J CONNOR 10 Jan 1977 [16 Jan 1976] 01731/76 Heading G2J A plastics driving mirror comprises two convex surfaces 4, 5 whose radii C2, C 1 in the vertical plane are vertically separated so that the crosssection is wedge like, the surfaces also being convex when seen in horizontal cross section, and the surface 5 being of high reflectivity. The mirror is mounted for adjustment between a first position in which the surface 5 reflects a scene to the observer (normal) and a second position wherein surface 4 reflects a lesser amount of light (dazzling scene). The surface 5 is preferably aluminized, and surface 4 may be partly aluminized. The mirror may be made by injection moulding. The plastics material may be polymethyl methacrylate polyamide or polycarbonate, and may be tinted. Preferably the radii of both surfaces in horizontal cross-section are the same, and likewise the radii in vertical cross-section are the same. More preferably all radii are the same (i.e. the surfaces are spherical) and are of 1500mm.
GB173176A 1977-01-10 1977-01-10 Dipping mirrors Expired GB1496991A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB173176A GB1496991A (en) 1977-01-10 1977-01-10 Dipping mirrors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB173176A GB1496991A (en) 1977-01-10 1977-01-10 Dipping mirrors

Publications (1)

Publication Number Publication Date
GB1496991A true GB1496991A (en) 1978-01-05

Family

ID=9727012

Family Applications (1)

Application Number Title Priority Date Filing Date
GB173176A Expired GB1496991A (en) 1977-01-10 1977-01-10 Dipping mirrors

Country Status (1)

Country Link
GB (1) GB1496991A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3415603A1 (en) * 1984-04-26 1985-11-28 Thermoplast & Apparatebau Gmbh, 6270 Idstein Wedge mirror for use as a dimmable vehicle rear-view mirror
GB2271860A (en) * 1992-10-26 1994-04-27 Ivor Maldwyn Hugh Pagden Aspheric vehicle mirror
GB2449316A (en) * 2007-05-15 2008-11-19 Amit Suchak Aluminium rearview mirror with interchangeable fascias

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3415603A1 (en) * 1984-04-26 1985-11-28 Thermoplast & Apparatebau Gmbh, 6270 Idstein Wedge mirror for use as a dimmable vehicle rear-view mirror
GB2271860A (en) * 1992-10-26 1994-04-27 Ivor Maldwyn Hugh Pagden Aspheric vehicle mirror
GB2271860B (en) * 1992-10-26 1995-12-20 Ivor Maldwyn Hugh Pagden Viewing device
GB2449316A (en) * 2007-05-15 2008-11-19 Amit Suchak Aluminium rearview mirror with interchangeable fascias

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19970109