EP0490643A2 - Imprimantes à impact - Google Patents

Imprimantes à impact Download PDF

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Publication number
EP0490643A2
EP0490643A2 EP91311480A EP91311480A EP0490643A2 EP 0490643 A2 EP0490643 A2 EP 0490643A2 EP 91311480 A EP91311480 A EP 91311480A EP 91311480 A EP91311480 A EP 91311480A EP 0490643 A2 EP0490643 A2 EP 0490643A2
Authority
EP
European Patent Office
Prior art keywords
hammer
platen
speed
impact
character
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.)
Granted
Application number
EP91311480A
Other languages
German (de)
English (en)
Other versions
EP0490643A3 (en
EP0490643B1 (fr
Inventor
Johannes F. Gottwald
Dennis W. Gruber
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of EP0490643A2 publication Critical patent/EP0490643A2/fr
Publication of EP0490643A3 publication Critical patent/EP0490643A3/en
Application granted granted Critical
Publication of EP0490643B1 publication Critical patent/EP0490643B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B41J9/00—Hammer-impression mechanisms
    • B41J9/44—Control for hammer-impression mechanisms
EP19910311480 1990-12-11 1991-12-10 Imprimantes à impact Expired - Lifetime EP0490643B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62556990A 1990-12-11 1990-12-11
US625569 1990-12-11

Publications (3)

Publication Number Publication Date
EP0490643A2 true EP0490643A2 (fr) 1992-06-17
EP0490643A3 EP0490643A3 (en) 1992-10-21
EP0490643B1 EP0490643B1 (fr) 1995-07-19

Family

ID=24506688

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910311480 Expired - Lifetime EP0490643B1 (fr) 1990-12-11 1991-12-10 Imprimantes à impact

Country Status (4)

Country Link
EP (1) EP0490643B1 (fr)
JP (1) JPH0798405B2 (fr)
CA (1) CA2051571A1 (fr)
DE (1) DE69111395T2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1082900C (zh) * 1996-09-19 2002-04-17 日立工机株式会社 印刷装置用的印刷密度限制装置及其印刷密度限制方法
CN1106947C (zh) * 1998-08-11 2003-04-30 日立工机株式会社 印刷装置的往复运动控制方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7604474A (en) * 1976-04-27 1977-10-31 Tealtronic Nederland B V Electric typewriter hammer driving mechanism - has coil supplied with pulses fixed to hammer tip working in magnetic field
GB2086093A (en) * 1980-10-14 1982-05-06 Xerox Corp Control of print hammer speed
JPS61141574A (ja) * 1984-12-14 1986-06-28 Sharp Corp 印字押圧力制御装置
FR2622509A1 (fr) * 1987-10-31 1989-05-05 Triumph Adler Ag Dispositif d'impression a marteau frappant un support de caracteres

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7604474A (en) * 1976-04-27 1977-10-31 Tealtronic Nederland B V Electric typewriter hammer driving mechanism - has coil supplied with pulses fixed to hammer tip working in magnetic field
GB2086093A (en) * 1980-10-14 1982-05-06 Xerox Corp Control of print hammer speed
JPS61141574A (ja) * 1984-12-14 1986-06-28 Sharp Corp 印字押圧力制御装置
FR2622509A1 (fr) * 1987-10-31 1989-05-05 Triumph Adler Ag Dispositif d'impression a marteau frappant un support de caracteres

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 336 (M-535)(2392) 14 November 1986 & JP-A-61 141 574 ( HIROJI IWAI ) 28 June 1986 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1082900C (zh) * 1996-09-19 2002-04-17 日立工机株式会社 印刷装置用的印刷密度限制装置及其印刷密度限制方法
CN1106947C (zh) * 1998-08-11 2003-04-30 日立工机株式会社 印刷装置的往复运动控制方法

Also Published As

Publication number Publication date
DE69111395D1 (de) 1995-08-24
EP0490643A3 (en) 1992-10-21
JPH0798405B2 (ja) 1995-10-25
JPH04292965A (ja) 1992-10-16
CA2051571A1 (fr) 1992-06-12
EP0490643B1 (fr) 1995-07-19
DE69111395T2 (de) 1996-03-21

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