CA996382A - Grid and co-ordinate location projection system - Google Patents

Grid and co-ordinate location projection system

Info

Publication number
CA996382A
CA996382A CA168,614A CA168614A CA996382A CA 996382 A CA996382 A CA 996382A CA 168614 A CA168614 A CA 168614A CA 996382 A CA996382 A CA 996382A
Authority
CA
Canada
Prior art keywords
grid
projection system
location projection
ordinate location
ordinate
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
CA168,614A
Inventor
Robert R. Swank
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.)
NCR Voyix Corp
Original Assignee
NCR Corp
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 NCR Corp filed Critical NCR Corp
Application granted granted Critical
Publication of CA996382A publication Critical patent/CA996382A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/10—Projectors with built-in or built-on screen
    • G03B21/11—Projectors with built-in or built-on screen for microfilm reading
    • G03B21/115—Projectors with built-in or built-on screen for microfilm reading of microfiches

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
CA168,614A 1972-06-12 1973-04-12 Grid and co-ordinate location projection system Expired CA996382A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00261677A US3807846A (en) 1972-06-12 1972-06-12 Grid and co-ordinate location projection system

Publications (1)

Publication Number Publication Date
CA996382A true CA996382A (en) 1976-09-07

Family

ID=22994364

Family Applications (1)

Application Number Title Priority Date Filing Date
CA168,614A Expired CA996382A (en) 1972-06-12 1973-04-12 Grid and co-ordinate location projection system

Country Status (6)

Country Link
US (1) US3807846A (en)
JP (1) JPS4957839A (en)
CA (1) CA996382A (en)
DE (1) DE2328817C3 (en)
FR (1) FR2188854A5 (en)
GB (1) GB1379344A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988059A (en) * 1975-06-23 1976-10-26 Sanders Associates, Inc. Projector
US4291954A (en) * 1980-01-24 1981-09-29 Polaroid Corporation Audiovisual system with improved moving light pointer
US4336483A (en) * 1980-01-24 1982-06-22 Polaroid Corporation Capacitive position sensor
US4468560A (en) * 1982-02-11 1984-08-28 Hitachi, Ltd. Electron microscope equipped with measuring facility
DE3437654A1 (en) * 1984-10-13 1986-04-17 MAP Mikrofilm Apparatebau Dr. Poehler GmbH & Co KG, 6352 Ober-Mörlen METHOD FOR PROJECTING FILM IMAGES AND MICROFILM READER FOR ITS IMPLEMENTATION
US5024512A (en) * 1986-07-18 1991-06-18 American Photo Systems, Inc. Microfilm reader with microfilm and reticle images provided to each of two binocular eyepieces
US5560696A (en) * 1995-04-07 1996-10-01 Orlich; William N. Method and apparatus for establishing an alignment grid or pattern
EP0992843A3 (en) * 1998-10-09 2000-07-19 Nix Company Ltd. Film image display system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3244067A (en) * 1962-11-14 1966-04-05 Jonker Business Machines Inc Optical retrieval apparatus of the peekaboo type
US3319518A (en) * 1965-02-17 1967-05-16 Ncr Co System for retrieving microimages formed on superpositioned microforms and the like
US3410640A (en) * 1966-02-21 1968-11-12 Escoa Corp Multiple ordinate locating instrument

Also Published As

Publication number Publication date
US3807846A (en) 1974-04-30
FR2188854A5 (en) 1974-01-18
JPS4957839A (en) 1974-06-05
GB1379344A (en) 1975-01-02
DE2328817B2 (en) 1978-08-10
DE2328817A1 (en) 1974-01-03
DE2328817C3 (en) 1979-04-19

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