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JPS552238A - Tray number display device - Google Patents

Tray number display device

Info

Publication number
JPS552238A
JPS552238A JP7437978A JP7437978A JPS552238A JP S552238 A JPS552238 A JP S552238A JP 7437978 A JP7437978 A JP 7437978A JP 7437978 A JP7437978 A JP 7437978A JP S552238 A JPS552238 A JP S552238A
Authority
JP
Japan
Prior art keywords
tray
frame
gear
slide
frame feed
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.)
Pending
Application number
JP7437978A
Other languages
Japanese (ja)
Inventor
Masaaki Shitochi
Masami Suzuki
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP7437978A priority Critical patent/JPS552238A/en
Publication of JPS552238A publication Critical patent/JPS552238A/en
Pending legal-status Critical Current

Links

Landscapes

  • Overhead Projectors And Projection Screens (AREA)

Abstract

PURPOSE: To make possible easy and sure reading by rotating a disc which indicates the numbers of the frames of a tray each time when the tray containing plural slide frames is moved by one frame thereby digitally displaying the tray frame number in a slide projector.
CONSTITUTION: When a tray 4 is set in a frame feed operation state, a plunger 18 is energized. Slide frame exchange mechanism operates and a push arm 16 moves rightward. When it comes to the position of not interfering the movement of the tray 4, a frame feed gear 7 is rotated clockwise for one frame by the frame feed mechanism, causing the tray 4 to be moved one frame rightward by intermeshing of the rack part 6 and frame feed gear 7. As a result, the slide frame 5 of tray number 1 is loaded from the inside of the tray 4 into the projection position by the operation of the push arm 16. As the frame feed gear 7 rotates, a display gear 11 is rotated clockwise by way of an auxiliary gear 9 and intermediate gear 10. This causes the disc 13 to rotate as well and the tray number 1 is displayed in the display window 3 of the main unit 1. The operation of the frame feed causes the disc 13 to rotate, thus subsequently displaying the numbers corresponding to the tray numbers in the display window 3.
COPYRIGHT: (C)1980,JPO&Japio
JP7437978A 1978-06-20 1978-06-20 Tray number display device Pending JPS552238A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7437978A JPS552238A (en) 1978-06-20 1978-06-20 Tray number display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7437978A JPS552238A (en) 1978-06-20 1978-06-20 Tray number display device

Publications (1)

Publication Number Publication Date
JPS552238A true JPS552238A (en) 1980-01-09

Family

ID=13545466

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7437978A Pending JPS552238A (en) 1978-06-20 1978-06-20 Tray number display device

Country Status (1)

Country Link
JP (1) JPS552238A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0491069A (en) * 1990-08-07 1992-03-24 Three Bond Co Ltd New alpha-cyanoacrylate and adhesive composition

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0491069A (en) * 1990-08-07 1992-03-24 Three Bond Co Ltd New alpha-cyanoacrylate and adhesive composition
JPH0585542B2 (en) * 1990-08-07 1993-12-07 Three Bond Co Ltd

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