ES446005A1 - Mirilla de campo visual ampliado. - Google Patents

Mirilla de campo visual ampliado.

Info

Publication number
ES446005A1
ES446005A1 ES76446005A ES446005A ES446005A1 ES 446005 A1 ES446005 A1 ES 446005A1 ES 76446005 A ES76446005 A ES 76446005A ES 446005 A ES446005 A ES 446005A ES 446005 A1 ES446005 A1 ES 446005A1
Authority
ES
Spain
Prior art keywords
door
elements
port assembly
observation port
viewing
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
ES76446005A
Other languages
English (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.)
SVENSSON ROGER R
Original Assignee
SVENSSON ROGER R
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 SVENSSON ROGER R filed Critical SVENSSON ROGER R
Publication of ES446005A1 publication Critical patent/ES446005A1/es
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00—Special arrangements or measures in connection with doors or windows
    • E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
    • E06B7/30—Peep-holes; Devices for speaking through; Doors having windows
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B25/00—Eyepieces; Magnifying glasses
    • G02B25/04—Eyepieces; Magnifying glasses affording a wide-angle view, e.g. through a spy-hole

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Hinges (AREA)
  • Lenses (AREA)
  • Aerials With Secondary Devices (AREA)
ES76446005A 1975-03-12 1976-03-12 Mirilla de campo visual ampliado. Expired ES446005A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7502788A SE382264B (sv) 1975-03-12 1975-03-12 Anordning vid dorrkikare.

Publications (1)

Publication Number Publication Date
ES446005A1 true ES446005A1 (es) 1977-05-16

Family

ID=20323939

Family Applications (1)

Application Number Title Priority Date Filing Date
ES76446005A Expired ES446005A1 (es) 1975-03-12 1976-03-12 Mirilla de campo visual ampliado.

Country Status (13)

Country Link
US (1) US4050792A (es)
JP (1) JPS51111346A (es)
BE (1) BE839344A (es)
CH (1) CH601636A5 (es)
DE (1) DE7605142U1 (es)
DK (1) DK101776A (es)
ES (1) ES446005A1 (es)
FI (1) FI760170A (es)
FR (1) FR2303935A1 (es)
GB (1) GB1507281A (es)
IT (1) IT1055862B (es)
NL (1) NL7602540A (es)
SE (1) SE382264B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4472025A (en) * 1982-09-09 1984-09-18 Huston Henry H Visual orientation device
US4763444A (en) * 1987-06-30 1988-08-16 Ritchie Ruben R Viewing and oral communications assembly for doors
US4964711A (en) * 1989-02-09 1990-10-23 Degnan Donald E Viewing device
US5262901A (en) * 1992-03-10 1993-11-16 Rudolph-Desco Company, Inc. Door viewer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE381095C (de) * 1923-09-15 Johann Horak Optischer Schutzapparat zum Beobachten des Innern von gegen Einbruch oder Diebstahl zu sichernden Laeden o. dgl. mit mehreren unter einem Winkel gegeneinander geneigten Objektiven
US1708746A (en) * 1927-04-16 1929-04-09 Company C P Goerz Optische Ans Panorama-exhibiting apparatus
US2491758A (en) * 1947-09-17 1949-12-20 Nichols Abe Peephole for doors
US3526452A (en) * 1966-06-27 1970-09-01 Lazare Paul Optical apparatus
US3910676A (en) * 1974-10-07 1975-10-07 Raymond Lee Organization Inc Viewing device
CH639051A5 (fr) * 1979-02-02 1983-10-31 Diffusion Rech Tech Financ Liant incombustible, adhesif et insensible a l'eau.

Also Published As

Publication number Publication date
FI760170A (es) 1976-09-13
IT1055862B (it) 1982-01-11
FR2303935A1 (fr) 1976-10-08
US4050792A (en) 1977-09-27
DE7605142U1 (de) 1976-08-05
NL7602540A (nl) 1976-09-14
DK101776A (da) 1976-09-13
SE382264B (sv) 1976-01-19
JPS51111346A (en) 1976-10-01
BE839344A (fr) 1976-07-01
FR2303935B1 (es) 1979-08-31
CH601636A5 (es) 1978-07-14
GB1507281A (en) 1978-04-12

Similar Documents

Publication Publication Date Title
CA1009881A (fr) Materiels militaires a poste d'observation equipe de visees externe et interne
CA1027788A (en) Dual viewing optical system of the endoscope type
AU464216B2 (en) Filter and needle assembly incorporating the filter
CA953491A (en) Optical sight aligner
GB1272266A (en) Viewer
CA958200A (en) Antistatic fiber blend
CA982344A (en) Fiber optic display
ES446005A1 (es) Mirilla de campo visual ampliado.
GB1214389A (en) Improvements in or relating to sound attenuating panels
GB1480731A (en) Three element eyepiece with magnification of 12x
ES2003475A6 (es) Recipiente para una pila de fotogrfias del mismo formato
TR20601A (tr) Yueksek cekme ve azalmis yanabilme kabiliyetini haiz modakrilik elyaf ve bunun imali icin usul
JPS51135432A (en) Color display unit
US1866306A (en) Instrument for viewing designs in multiple
US2730018A (en) Periscopic peep box
FR1515969A (fr) Boîte aux lettres à éléments d'assemblage
JPS5359443A (en) Microscope with two fields
USD253414S (en) Periscopic viewing device
USD131933S (en) Design for a display board or the like
JPS54100761A (en) Liquid crystal display element
USD131255S (en) Design for a display board or the like
USD218497S (en) Display stand
GB969071A (en) Improvements in or relating to optical viewing systems
FR1370930A (fr) Haut-parleur disposé dans une caisse pourvue à l'avant d'une ou de plusieurs ouvertures
GB1108304A (en) Improvements in ophthalmometers