Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
  • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
  • B41J19/00—Character- or line-spacing mechanisms
  • B41J19/18—Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor
  • B41J19/20—Positive-feed character-spacing mechanisms
  • B41J19/202—Drive control means for carriage movement
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
  • G05D3/00—Control of position or direction
  • G05D3/12—Control of position or direction using feedback
  • G05D3/14—Control of position or direction using feedback using an analogue comparing device
• • G—PHYSICS
  • G05—CONTROLLING; REGULATING
  • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
  • G05D3/00—Control of position or direction
  • G05D3/12—Control of position or direction using feedback
  • G05D3/14—Control of position or direction using feedback using an analogue comparing device
  • G05D3/1409—Control of position or direction using feedback using an analogue comparing device with DC amplifier chain

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Engineering & Computer Science (AREA)
• Automation & Control Theory (AREA)
• Character Spaces And Line Spaces In Printers (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=9084703

Family Applications (1)

Country Status (5)

Families Citing this family (2)

• 1971
  • 1971-10-21 FR FR7137833A patent/FR2157187A5/fr not_active Expired
• 1972
  • 1972-10-13 GB GB4739772A patent/GB1378234A/en not_active Expired
  • 1972-10-16 NL NL7213980A patent/NL7213980A/xx unknown
  • 1972-10-17 BR BR724172A patent/BR7207241D0/pt unknown
  • 1972-10-23 DD DD16670072A patent/DD100207A5/xx unknown

Also Published As

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