JPS5587138A - Digital display of film frame number - Google Patents

Digital display of film frame number

Info

Publication number
JPS5587138A
JPS5587138A JP16072078A JP16072078A JPS5587138A JP S5587138 A JPS5587138 A JP S5587138A JP 16072078 A JP16072078 A JP 16072078A JP 16072078 A JP16072078 A JP 16072078A JP S5587138 A JPS5587138 A JP S5587138A
Authority
JP
Japan
Prior art keywords
display
film
counter
frame number
appears
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
JP16072078A
Other languages
Japanese (ja)
Inventor
Akihiko Hashimoto
Yukio Nakajima
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP16072078A priority Critical patent/JPS5587138A/en
Publication of JPS5587138A publication Critical patent/JPS5587138A/en
Pending legal-status Critical Current

Links

Landscapes

  • Indication In Cameras, And Counting Of Exposures (AREA)

Abstract

PURPOSE: To make the frame number display of film to an unerasable and eash-to- see display by providing such a display element which stores the original number in that state unless reverse current in flowed to the display of the frame number of film.
CONSTITUTION: A film counter display part 11 is provided with an ECD. When in the counter display part 11 a film is put in and a cover 2 is closed, the counter is zero-displayed and when the first three frames are taken blank, the number of 1 with an imprinting mark appears. When photographing is finished, the imprinting mark disappears. On the other hand, when winding is finished, again the imprinting mark appears. If an LC is used for the counter, the display disappears when battery runs out but if the ECD is used, the number does not disappear unless reverse current for erasing this number appears. Hence, even if the battery has run out before using the camera, how many frames have been used may be stored and displayed.
COPYRIGHT: (C)1980,JPO&Japio
JP16072078A 1978-12-25 1978-12-25 Digital display of film frame number Pending JPS5587138A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16072078A JPS5587138A (en) 1978-12-25 1978-12-25 Digital display of film frame number

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16072078A JPS5587138A (en) 1978-12-25 1978-12-25 Digital display of film frame number

Publications (1)

Publication Number Publication Date
JPS5587138A true JPS5587138A (en) 1980-07-01

Family

ID=15721005

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16072078A Pending JPS5587138A (en) 1978-12-25 1978-12-25 Digital display of film frame number

Country Status (1)

Country Link
JP (1) JPS5587138A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57136927U (en) * 1981-02-20 1982-08-26
US4697900A (en) * 1983-11-09 1987-10-06 Canon Kabushiki Kaisha Display device for a camera
JPH0775783A (en) * 1993-09-08 1995-03-20 Tomoki Takashima Ionized water forming device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57136927U (en) * 1981-02-20 1982-08-26
JPS6331049Y2 (en) * 1981-02-20 1988-08-19
US4697900A (en) * 1983-11-09 1987-10-06 Canon Kabushiki Kaisha Display device for a camera
JPH0775783A (en) * 1993-09-08 1995-03-20 Tomoki Takashima Ionized water forming device

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