JPS6423030A - Heating cooker - Google Patents

Heating cooker

Info

Publication number
JPS6423030A
JPS6423030A JP18045787A JP18045787A JPS6423030A JP S6423030 A JPS6423030 A JP S6423030A JP 18045787 A JP18045787 A JP 18045787A JP 18045787 A JP18045787 A JP 18045787A JP S6423030 A JPS6423030 A JP S6423030A
Authority
JP
Japan
Prior art keywords
key
printing
cake
lamp
circuit board
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
JP18045787A
Other languages
Japanese (ja)
Other versions
JPH0756388B2 (en
Inventor
Nobuo Shirokawa
Katsunori Harima
Masashi Yano
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP62180457A priority Critical patent/JPH0756388B2/en
Publication of JPS6423030A publication Critical patent/JPS6423030A/en
Publication of JPH0756388B2 publication Critical patent/JPH0756388B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0266—Marks, test patterns or identification means

Landscapes

  • Structure Of Printed Boards (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

PURPOSE:To improve convenience in use by providing well-lighted back illumination by increasing the reflecting properties of a printed circuit board, by treating silk printing in white on the whole surface on the side of a printed circuit board on which parts are installed, and by printing the letters of a cooking menu and the symbols of parts by cutout printing on the silk printing. CONSTITUTION:When a cake key 3 is depressed, for example, the whole area of the key pad of a cake key 3 is emitted, and the whole area of it is flickered at predetermined time intervals in order to show a heating operation proceeding. A switch 7 is depressed by the intermediary of a transparent actuator 6 and a lamp 8 is turne ON by depression of the key pad part of a cake key 3. The lights of a lamp 8 turned ON illuminate the key pad part of a cake key 3 from the back, directly partly, and by reflection partly. The whole surface of a printed circuit board 10 is treated by silk printing in all white and items on a cooking menu are printed by cutout printing. Negative letters are printed on a positive surface reversely, so that brighter back illumination can be obtained by the same electric power consumption by the lamp 8.
JP62180457A 1987-07-20 1987-07-20 Heating cooker Expired - Fee Related JPH0756388B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62180457A JPH0756388B2 (en) 1987-07-20 1987-07-20 Heating cooker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62180457A JPH0756388B2 (en) 1987-07-20 1987-07-20 Heating cooker

Publications (2)

Publication Number Publication Date
JPS6423030A true JPS6423030A (en) 1989-01-25
JPH0756388B2 JPH0756388B2 (en) 1995-06-14

Family

ID=16083559

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62180457A Expired - Fee Related JPH0756388B2 (en) 1987-07-20 1987-07-20 Heating cooker

Country Status (1)

Country Link
JP (1) JPH0756388B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015220664A (en) * 2014-05-20 2015-12-07 キヤノン株式会社 Illumination device and image forming apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015220664A (en) * 2014-05-20 2015-12-07 キヤノン株式会社 Illumination device and image forming apparatus

Also Published As

Publication number Publication date
JPH0756388B2 (en) 1995-06-14

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees