3305873

Information

• Patent Grant
• 3305873

• References
• Source

• Patent Number

  3,305,873

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1967
  57 years ago

• CPC

  • H02P5/48 - by comparing mechanical values representing the speeds
  • B41J29/00 - Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
  • B43L13/00 - Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
  • G01D9/38 - Producing one or more recordings, each recording being produced by controlling the recording element
  • G01D15/24 - Drives for recording elements and surfaces not covered by G01D5/00
  • G01D15/28 - Holding means for recording surfaces Guiding means for recording surfaces Exchanging means for recording surfaces
  • G06F3/06 - Digital input from or digital output to record carriers

• US Classifications

  • 346 - Recorders
  • 242 - Winding, tensioning, or guiding