CA2431536A1 - Thermal printhead and protective cover used for the same - Google Patents

Thermal printhead and protective cover used for the same Download PDF

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Publication number
CA2431536A1
CA2431536A1 CA002431536A CA2431536A CA2431536A1 CA 2431536 A1 CA2431536 A1 CA 2431536A1 CA 002431536 A CA002431536 A CA 002431536A CA 2431536 A CA2431536 A CA 2431536A CA 2431536 A1 CA2431536 A1 CA 2431536A1
Authority
CA
Canada
Prior art keywords
protective cover
main body
thermal printhead
same
cover used
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
CA002431536A
Other languages
French (fr)
Other versions
CA2431536C (en
Inventor
Takaya Nagahata
Yasuhiro Yoshikawa
Eiji Yokoyama
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.)
Rohm Co Ltd
Original Assignee
Rohm Co., Ltd.
Takaya Nagahata
Yasuhiro Yoshikawa
Eiji Yokoyama
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 JP01952298A external-priority patent/JP3238893B2/en
Application filed by Rohm Co., Ltd., Takaya Nagahata, Yasuhiro Yoshikawa, Eiji Yokoyama filed Critical Rohm Co., Ltd.
Publication of CA2431536A1 publication Critical patent/CA2431536A1/en
Application granted granted Critical
Publication of CA2431536C publication Critical patent/CA2431536C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

A protective cover (9') is provided for use with a thermal printhead including a heat sink plate (1'), a head substrate (2'), and a circuit board (3'). The protective cover (9') comprises an elongated main body including an obverse surface and a reverse surface. The main body is warped so that a longitudinally central portion of the main body is located higher than other portions of the main body.
CA002431536A 1998-01-30 1999-01-28 Thermal printhead and protective cover used for the same Expired - Fee Related CA2431536C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP01952298A JP3238893B2 (en) 1998-01-30 1998-01-30 Cover device in thermal print head
JP10-19522 1998-01-30
CA002317408A CA2317408C (en) 1998-01-30 1999-01-28 Thermal printing head and protective cover used for the same

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002317408A Division CA2317408C (en) 1998-01-30 1999-01-28 Thermal printing head and protective cover used for the same

Publications (2)

Publication Number Publication Date
CA2431536A1 true CA2431536A1 (en) 1999-08-05
CA2431536C CA2431536C (en) 2005-04-05

Family

ID=27664059

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002431536A Expired - Fee Related CA2431536C (en) 1998-01-30 1999-01-28 Thermal printhead and protective cover used for the same

Country Status (1)

Country Link
CA (1) CA2431536C (en)

Also Published As

Publication number Publication date
CA2431536C (en) 2005-04-05

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed