Classifications

• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
  • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
  • G11B27/34—Indicating arrangements 
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
  • G01B11/00—Measuring arrangements characterised by the use of optical techniques
  • G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
• • 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
  • G03B21/14—Details
  • G03B21/32—Details specially adapted for motion-picture projection
  • G03B21/43—Driving mechanisms
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
  • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
  • G11B15/26—Driving record carriers by members acting directly or indirectly thereon
  • G11B15/34—Driving record carriers by members acting directly or indirectly thereon through non-slip drive means, e.g. sprocket
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
  • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
  • B65H2553/00—Sensing or detecting means
  • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
  • B65H2553/41—Photoelectric detectors
  • B65H2553/416—Array arrangement, i.e. row of emitters or detectors

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Storage Of Web-Like Or Filamentary Materials (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=19853597

Family Applications (1)

Country Status (4)

Families Citing this family (5)

• 0
  • NL NL100843D patent/NL100843C/xx active
• 1958
  • 1958-02-05 DE DEN14645A patent/DE1040261B/de active Pending
  • 1958-02-06 GB GB3916/58A patent/GB882981A/en not_active Expired
  • 1958-02-07 FR FR1191204D patent/FR1191204A/fr not_active Expired

Also Published As

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