EP0341929A3 - Multiplexer circuit - Google Patents

Multiplexer circuit Download PDF

Info

Publication number
EP0341929A3
EP0341929A3 EP19890304573 EP89304573A EP0341929A3 EP 0341929 A3 EP0341929 A3 EP 0341929A3 EP 19890304573 EP19890304573 EP 19890304573 EP 89304573 A EP89304573 A EP 89304573A EP 0341929 A3 EP0341929 A3 EP 0341929A3
Authority
EP
European Patent Office
Prior art keywords
path
switching means
paths
closed
devices
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
EP19890304573
Other languages
German (de)
French (fr)
Other versions
EP0341929B1 (en
EP0341929A2 (en
Inventor
Walter Scott Bartky
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.)
Xaar Ltd
Original Assignee
Xaar Ltd
Multigraphics Inc
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
Priority claimed from GB888811458A external-priority patent/GB8811458D0/en
Priority claimed from GB888830397A external-priority patent/GB8830397D0/en
Application filed by Xaar Ltd, Multigraphics Inc filed Critical Xaar Ltd
Publication of EP0341929A2 publication Critical patent/EP0341929A2/en
Publication of EP0341929A3 publication Critical patent/EP0341929A3/en
Application granted granted Critical
Publication of EP0341929B1 publication Critical patent/EP0341929B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/07—Ink jet characterised by jet control
    • B41J2/075—Ink jet characterised by jet control for many-valued deflection
    • B41J2/08—Ink jet characterised by jet control for many-valued deflection charge-control type
    • B41J2/085—Charge means, e.g. electrodes
    • 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
    • B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
    • B41J2202/01—Embodiments of or processes related to ink-jet heads
    • B41J2202/10—Finger type piezoelectric elements

Abstract

A multiplexer circuit for effecting in successive phases of operation thereof actuation of selected devices of respective groups of devices of a series of capacitance actuated devices has a series of parallel electrical paths to which the respective devices are connected. A signal generator is connected across said paths and two capacitors of each device are connected between the path of the associated device and the respective paths on opposite sides of the path of the associated device. First and second switching means are disposed in each path and are closed by respective logic signals applied thereto so that when the first and second switching means of one path are respectively closed and open and the first and second switching means of each of the paths on respective opposite sides of that one path are respectively open and closed, charging of the capacitors connected to that one path takes place and when thereafter the first and second switching means of that one path are respectively open and closed discharge of the capacitors connected to that one path takes place.
EP89304573A 1988-05-13 1989-05-05 Multiplexer circuit Expired - Lifetime EP0341929B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8811458 1988-05-13
GB888811458A GB8811458D0 (en) 1988-05-13 1988-05-13 Two phase multiplexer circuit
GB888830397A GB8830397D0 (en) 1988-12-30 1988-12-30 Multiplexer circuit
GB8830397 1988-12-30

Publications (3)

Publication Number Publication Date
EP0341929A2 EP0341929A2 (en) 1989-11-15
EP0341929A3 true EP0341929A3 (en) 1991-08-14
EP0341929B1 EP0341929B1 (en) 1995-02-15

Family

ID=26293889

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89304573A Expired - Lifetime EP0341929B1 (en) 1988-05-13 1989-05-05 Multiplexer circuit

Country Status (7)

Country Link
EP (1) EP0341929B1 (en)
JP (1) JP2666084B2 (en)
AT (1) ATE118404T1 (en)
CA (1) CA1321508C (en)
DE (1) DE68921091T2 (en)
ES (1) ES2067538T3 (en)
GR (1) GR3015062T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9113023D0 (en) * 1991-06-17 1991-08-07 Xaar Ltd Multi-channel arrary droplet deposition apparatus and method of manufacture thereof
JPH04369861A (en) * 1991-06-19 1992-12-22 Matsushita Electric Ind Co Ltd Manufacture of compound semiconductor integrated circuit capacitor
FR2705279B1 (en) * 1993-05-14 1995-08-11 Toxot Science & Appl Generator of electric charge voltages of drops emitted in a multi-nozzle inkjet printer.
JP3369415B2 (en) * 1995-12-14 2003-01-20 東芝テック株式会社 Head drive for inkjet printer

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350989A (en) * 1979-03-19 1982-09-21 Hitachi, Ltd. Ink-jet printing apparatus
GB2104005A (en) * 1981-07-02 1983-03-02 Suwa Seikosha Kk Ink jet printer head

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350989A (en) * 1979-03-19 1982-09-21 Hitachi, Ltd. Ink-jet printing apparatus
GB2104005A (en) * 1981-07-02 1983-03-02 Suwa Seikosha Kk Ink jet printer head

Also Published As

Publication number Publication date
JPH0218054A (en) 1990-01-22
ATE118404T1 (en) 1995-03-15
DE68921091D1 (en) 1995-03-23
ES2067538T3 (en) 1995-04-01
EP0341929B1 (en) 1995-02-15
GR3015062T3 (en) 1995-05-31
DE68921091T2 (en) 1995-06-14
JP2666084B2 (en) 1997-10-22
EP0341929A2 (en) 1989-11-15
CA1321508C (en) 1993-08-24

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