DE68921091D1 - Multiplex circuit. - Google Patents

Multiplex circuit.

Info

Publication number
DE68921091D1
DE68921091D1 DE68921091T DE68921091T DE68921091D1 DE 68921091 D1 DE68921091 D1 DE 68921091D1 DE 68921091 T DE68921091 T DE 68921091T DE 68921091 T DE68921091 T DE 68921091T DE 68921091 D1 DE68921091 D1 DE 68921091D1
Authority
DE
Germany
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.)
Expired - Lifetime
Application number
DE68921091T
Other languages
German (de)
Other versions
DE68921091T2 (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
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 filed Critical Xaar Ltd
Application granted granted Critical
Publication of DE68921091D1 publication Critical patent/DE68921091D1/en
Publication of DE68921091T2 publication Critical patent/DE68921091T2/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.
DE68921091T 1988-05-13 1989-05-05 Multiplex circuit. Expired - Lifetime DE68921091T2 (en)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
DE68921091D1 true DE68921091D1 (en) 1995-03-23
DE68921091T2 DE68921091T2 (en) 1995-06-14

Family

ID=26293889

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68921091T Expired - Lifetime DE68921091T2 (en) 1988-05-13 1989-05-05 Multiplex 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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55123476A (en) * 1979-03-19 1980-09-22 Hitachi Ltd Multinozzle ink jetting recorder
JPS585269A (en) * 1981-07-02 1983-01-12 Seiko Epson Corp Ink jet printer

Also Published As

Publication number Publication date
EP0341929B1 (en) 1995-02-15
EP0341929A3 (en) 1991-08-14
ATE118404T1 (en) 1995-03-15
GR3015062T3 (en) 1995-05-31
ES2067538T3 (en) 1995-04-01
CA1321508C (en) 1993-08-24
EP0341929A2 (en) 1989-11-15
DE68921091T2 (en) 1995-06-14
JPH0218054A (en) 1990-01-22
JP2666084B2 (en) 1997-10-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition