FR1222650A - Perfectionnements aux appareils d'exploration d'enregistrements - Google Patents

Perfectionnements aux appareils d'exploration d'enregistrements

Info

Publication number
FR1222650A
FR1222650A FR784338A FR784338A FR1222650A FR 1222650 A FR1222650 A FR 1222650A FR 784338 A FR784338 A FR 784338A FR 784338 A FR784338 A FR 784338A FR 1222650 A FR1222650 A FR 1222650A
Authority
FR
France
Prior art keywords
recording
exploration devices
exploration
devices
recording exploration
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
FR784338A
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.)
Powers Samas Accounting Machines Ltd
Original Assignee
Powers Samas Accounting Machines Ltd
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 Powers Samas Accounting Machines Ltd filed Critical Powers Samas Accounting Machines Ltd
Application granted granted Critical
Publication of FR1222650A publication Critical patent/FR1222650A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
    • G02B17/0626—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using three curved mirrors
    • G02B17/0642—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using three curved mirrors off-axis or unobscured systems in which not all of the mirrors share a common axis of rotational symmetry, e.g. at least one of the mirrors is warped, tilted or decentered with respect to the other elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/02—Catoptric systems, e.g. image erecting and reversing system
    • G02B17/06—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror
    • G02B17/0605—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using two curved mirrors
    • G02B17/0621—Catoptric systems, e.g. image erecting and reversing system using mirrors only, i.e. having only one curved mirror using two curved mirrors off-axis or unobscured systems in which not all of the mirrors share a common axis of rotational symmetry, e.g. at least one of the mirrors is warped, tilted or decentered with respect to the other elements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10831—Arrangement of optical elements, e.g. lenses, mirrors, prisms

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Thyristors (AREA)
  • Credit Cards Or The Like (AREA)
FR784338A 1958-07-09 1959-01-19 Perfectionnements aux appareils d'exploration d'enregistrements Expired FR1222650A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB22089/58A GB842810A (en) 1958-07-09 1958-07-09 Improvements in or relating to apparatus for sensing records

Publications (1)

Publication Number Publication Date
FR1222650A true FR1222650A (fr) 1960-06-10

Family

ID=10173737

Family Applications (1)

Application Number Title Priority Date Filing Date
FR784338A Expired FR1222650A (fr) 1958-07-09 1959-01-19 Perfectionnements aux appareils d'exploration d'enregistrements

Country Status (3)

Country Link
US (1) US2944156A (fr)
FR (1) FR1222650A (fr)
GB (1) GB842810A (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3109604A (en) * 1960-11-07 1963-11-05 Ampex Tape tension system
US3176139A (en) * 1961-08-01 1965-03-30 Melpar Inc Photoelectric reader with opaque shield intersecting condensing lens
BE622756A (fr) * 1961-10-04
BE628322A (fr) * 1962-02-12
US3207908A (en) * 1962-05-31 1965-09-21 Hogan Faximile Corp Photosensitive facsimile transmitter light assembly
US3248551A (en) * 1962-10-22 1966-04-26 Joseph C Frommer Optical arrangement for sensing very small particles
US3324301A (en) * 1963-02-28 1967-06-06 Lan Jen Chu Photoelectric vehicle identification system
US3628039A (en) * 1969-12-29 1971-12-14 Dana Lab Inc Electromagnetic radiation wave signal transmission apparatus
JPS573887B2 (fr) * 1972-06-28 1982-01-23
DE2822579C3 (de) * 1978-05-24 1982-02-04 Fa. Carl Zeiss, 7920 Heidenheim Optisches Abbildungssystem
US4357075A (en) * 1979-07-02 1982-11-02 Hunter Thomas M Confocal reflector system
DE3343868A1 (de) * 1983-12-03 1985-06-13 Zeiss Carl Fa Objektiv mit kegelschnittflaechen fuer die mikrozonenabbildung
US5225678A (en) * 1991-11-13 1993-07-06 Connecticut Instrument Corporation Spectoscopic sampling accessory having dual measuring and viewing systems
US5327171A (en) * 1992-05-26 1994-07-05 United Parcel Service Of America, Inc. Camera system optics
US6068080A (en) * 1998-04-13 2000-05-30 Lacarrubba; Emanuel Apparatus for the redistribution of acoustic energy
DE60029442T2 (de) * 2000-08-29 2007-04-19 Perkinelmer International C.V. Optisches System mit veränderlicher Vergrösserung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US533795A (en) * 1895-02-05 Eleqtric broiler or toaster
US1763630A (en) * 1928-04-03 1930-06-10 Eastman Kodak Co Photographic printer
US2203000A (en) * 1938-12-13 1940-06-04 Ibm Machine for reading perforated record cards
US2541247A (en) * 1947-11-26 1951-02-13 Control Instr Co Inc Switching system
US2586609A (en) * 1950-05-27 1952-02-19 Sylvania Electric Prod Point-contact electrical device
US2819649A (en) * 1956-02-01 1958-01-14 Eastman Kodak Co Reflecting condenser system for projectors

Also Published As

Publication number Publication date
US2944156A (en) 1960-07-05
GB842810A (en) 1960-07-27

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