Classifications

• • G—PHYSICS
  • G10—MUSICAL INSTRUMENTS; ACOUSTICS
  • G10G—REPRESENTATION OF MUSIC; RECORDING MUSIC IN NOTATION FORM; ACCESSORIES FOR MUSIC OR MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR, e.g. SUPPORTS
  • G10G3/00—Recording music in notation form, e.g. recording the mechanical operation of a musical instrument
  • G10G3/04—Recording music in notation form, e.g. recording the mechanical operation of a musical instrument using electrical means
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
  • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
  • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
  • B26F1/26—Perforating by non-mechanical means, e.g. by fluid jet
  • B26F1/28—Perforating by non-mechanical means, e.g. by fluid jet by electrical discharges
• • D—TEXTILES; PAPER
  • D03—WEAVING
  • D03C—SHEDDING MECHANISMS; PATTERN CARDS OR CHAINS; PUNCHING OF CARDS; DESIGNING PATTERNS
  • D03C17/00—Card-punching apparatus
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
  • H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
  • H04L13/02—Details not particular to receiver or transmitter
  • H04L13/06—Tape or page guiding or feeding devices

Applications Claiming Priority (1)

Publications (1)

Family

ID=4469009

Family Applications (1)

Country Status (3)

Families Citing this family (1)

• 0
  • NL NL63944D patent/NL63944C/xx active
  • BE BE469242D patent/BE469242A/xx unknown
• 1946
  • 1946-07-11 CH CH251779D patent/CH251779A/en unknown

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