JPS57161846A - Automatic film retrieval system - Google Patents

Automatic film retrieval system

Info

Publication number
JPS57161846A
JPS57161846A JP56047860A JP4786081A JPS57161846A JP S57161846 A JPS57161846 A JP S57161846A JP 56047860 A JP56047860 A JP 56047860A JP 4786081 A JP4786081 A JP 4786081A JP S57161846 A JPS57161846 A JP S57161846A
Authority
JP
Japan
Prior art keywords
retrieval
marks
image plane
frames
image planes
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
JP56047860A
Other languages
Japanese (ja)
Inventor
Hideo Watanabe
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.)
Denso Ten Ltd
Original Assignee
Denso Ten 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 Denso Ten Ltd filed Critical Denso Ten Ltd
Priority to JP56047860A priority Critical patent/JPS57161846A/en
Publication of JPS57161846A publication Critical patent/JPS57161846A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/10—Projectors with built-in or built-on screen
    • G03B21/11—Projectors with built-in or built-on screen for microfilm reading

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Processing Or Creating Images (AREA)

Abstract

PURPOSE:To eliminate the need for a retrieval mark at a section part and to reduce occupation area by using some of image planes as retrieval code recording images for indexing, and providing light-shielding section parts at both side parts of the image planes. CONSTITUTION:In image planes for retrieval code recording assigned as some of many frames, synchronizing marks B7-B0 and retrieval codes M7-M0 provided selectively corresponding to said marks are recorded in black. The most significant digit bit M7 shows the kind of an image plane for retrieval and when it is a 1, low-order seven bits show a line number. When it is a 0, the low-order digit bits show the number of unnecessary frames up to a frame where a map is recorded actually. Between an image plane 10 and a map recording image plane 11, a light-shielding section part 12 is provided; and the codes M7-M0, and marks B7-B0 are read by sensors S3 and S1 respectively, and the section parts are read by sensors S1 and S2, thereby counting the numbers of index readout and passing frames.
JP56047860A 1981-03-31 1981-03-31 Automatic film retrieval system Pending JPS57161846A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56047860A JPS57161846A (en) 1981-03-31 1981-03-31 Automatic film retrieval system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56047860A JPS57161846A (en) 1981-03-31 1981-03-31 Automatic film retrieval system

Publications (1)

Publication Number Publication Date
JPS57161846A true JPS57161846A (en) 1982-10-05

Family

ID=12787116

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56047860A Pending JPS57161846A (en) 1981-03-31 1981-03-31 Automatic film retrieval system

Country Status (1)

Country Link
JP (1) JPS57161846A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59224888A (en) * 1983-06-06 1984-12-17 富士写真フイルム株式会社 Map display unit
JPS61275734A (en) * 1984-10-19 1986-12-05 アンブリツジ・リミテツド Map information projection mechanism
JPS63149688A (en) * 1986-12-15 1988-06-22 本田技研工業株式会社 Running course display device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5144402A (en) * 1974-10-15 1976-04-16 Hitachi Ltd

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5144402A (en) * 1974-10-15 1976-04-16 Hitachi Ltd

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59224888A (en) * 1983-06-06 1984-12-17 富士写真フイルム株式会社 Map display unit
JPS61275734A (en) * 1984-10-19 1986-12-05 アンブリツジ・リミテツド Map information projection mechanism
JPS63149688A (en) * 1986-12-15 1988-06-22 本田技研工業株式会社 Running course display device

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