Ink jet recording with ink detection

Details Ink jet recording with ink detection Ink jet recording with ink detection

Filed on

1995-05-30

Date issued

1997-04-01

Examiner

Hartary, Joseph W.

Patent Class

Incremental printing of symbolic information

SubClass

Ink jet

SubSubClass

Controller

Other Related Categories

B41J 2175

Type

Patent

Status

active

Patent number

056171218

Description

ABSTRACT:
A recording head comprises discharge ports for discharging ink, a liquid chamber for reserving the ink to be supplied to the discharge ports, a liquid channel for connection between the discharge ports and the liquid chamber, discharge energy generating elements for generating the energy used for the discharge of ink which is provided within the liquid channel, and an ink detection element provided in the liquid chamber for detecting the presence of ink.

REFERENCES:
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patent: 2783341 (1957-02-01), Wisman
patent: 3603927 (1971-09-01), Osborne
patent: 4313124 (1982-01-01), Hara
patent: 4313684 (1982-02-01), Tazaki
patent: 4345262 (1982-08-01), Shirato et al.
patent: 4459600 (1984-07-01), Sato et al.
patent: 4463359 (1984-07-01), Ayata et al.
patent: 4550327 (1985-10-01), Miyakawa
patent: 4558333 (1985-12-01), Sugitani et al.
patent: 4604633 (1986-08-01), Kimura et al.
patent: 4723129 (1988-02-01), Endo et al.
patent: 4740796 (1988-04-01), Endo et al.
patent: 5051759 (1991-09-01), Karita

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