JPS58172640A - Data imprinter - Google Patents
Data imprinterInfo
- Publication number
- JPS58172640A JPS58172640A JP5438382A JP5438382A JPS58172640A JP S58172640 A JPS58172640 A JP S58172640A JP 5438382 A JP5438382 A JP 5438382A JP 5438382 A JP5438382 A JP 5438382A JP S58172640 A JPS58172640 A JP S58172640A
- Authority
- JP
- Japan
- Prior art keywords
- light
- lighted
- segments
- liquid crystal
- film
- 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
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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/24—Details of cameras or camera bodies; Accessories therefor with means for separately producing marks on the film, e.g. title, time of exposure
-
- 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
- G03B2217/00—Details of cameras or camera bodies; Accessories therefor
- G03B2217/24—Details of cameras or camera bodies; Accessories therefor with means for separately producing marks on the film
- G03B2217/242—Details of the marking device
- G03B2217/243—Optical devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Focusing (AREA)
- Liquid Crystal (AREA)
- Camera Data Copying Or Recording (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は液晶を用いたデータ写し込み装置に関するもの
である。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a data imprinting device using a liquid crystal.
カメラのデータ写し込み装置において、データ表示用に
液晶を用いたものは知られているが、従来のものにおい
ては、点灯竜グメント即ち電圧を印加されたセグメント
と、非点灯セグメント即ち電圧を印加されないセグメン
トとのコントラストが低いことKより非点灯セグメント
がフィルムに写し込まれ、データ記号が明確に読み取れ
ない等の不都合の生じる場合があった。A data imprinting device for a camera that uses a liquid crystal for displaying data is known, but in conventional devices, there are two segments: a lighting segment, which is a segment to which voltage is applied, and a non-lighting segment, which is a segment to which no voltage is applied. Due to the low contrast with the segments, the non-lit segments may be imprinted on the film, resulting in inconveniences such as the data symbols not being clearly readable.
この様な欠点を解消するためTNg液晶では偏光板の偏
光度及び液晶の旋回性能を高める等の試みがなされてい
るが、限界があり、上記の様な欠点を完全に解消し得る
ものではなかった。In order to eliminate these drawbacks, attempts have been made to improve the degree of polarization of the polarizing plate and the rotation performance of the liquid crystal in TNg liquid crystals, but there are limitations and it is not possible to completely eliminate the above drawbacks. Ta.
本発明はゲストホスト効果を利用して液晶の光透過特性
の変化をフィルムに合わせたものKしてコントラストを
増大させ、明確なデータ記号を写し込み得るよ5Kt、
たものである。The present invention utilizes the guest-host effect to match the change in the light transmission characteristics of the liquid crystal to the film, increasing the contrast and imprinting clear data symbols.
It is something that
以下本発明の実施例を図を参亀して説明する。Embodiments of the present invention will be described below with reference to the drawings.
181図はデータ写し込み装置の概略の配置を示すもの
で、1はフィルム、2は棲晶セル、4は照明光源、3は
光源からの光を平行光にするレンズである。Figure 181 shows the general arrangement of the data imprinting device, in which 1 is a film, 2 is a crystal cell, 4 is an illumination light source, and 3 is a lens that converts the light from the light source into parallel light.
液晶セルの電圧を印加されたセグメントの光透過率が轟
くなり、所望の記号が表示された状態で光源4を点灯す
ると、該光源からの光はレンズ6によって平行光となっ
て液晶セルに向かい、前記セグメントを透光した光がフ
ィルム1の裏面から感光乳剤面に達して表示されたデー
タ記号が写し込まれる。When the light transmittance of the voltage-applied segment of the liquid crystal cell increases and the desired symbol is displayed, the light source 4 is turned on, and the light from the light source is turned into parallel light by the lens 6 and directed toward the liquid crystal cell. The light transmitted through the segments reaches the photosensitive emulsion surface from the back side of the film 1, and the displayed data symbol is imprinted thereon.
第2図はタングステンランプを用〜・た場合の照明光源
の発光分布を示すものである。FIG. 2 shows the emission distribution of the illumination light source when a tungsten lamp is used.
第6図は青色の染料を添加してゲストホスト効果を有す
る液晶の分光透過率を示す線図で、人は電圧を印加した
点灯時の状態、Bは電圧を印加しない非点灯め状態を示
す。図に示される様に短波長側では点灯時と非点灯時の
差が大となっている。Figure 6 is a diagram showing the spectral transmittance of a liquid crystal that has a guest-host effect by adding a blue dye, where "B" shows the lighting state with voltage applied, and "B" shows the non-lighting state with no voltage applied. . As shown in the figure, the difference between lighting and non-lighting is large on the short wavelength side.
第2図に示した様な発光特性を有するタングステ/ラン
プの光がこの様な液晶を透過した場合、第4図に示す様
に点灯セグメントAと非点灯セグメン)Hの透過光の差
は600面以上の長波長側で大となっている。When light from a tungsten/lamp with the luminous characteristics shown in Figure 2 is transmitted through such a liquid crystal, the difference in transmitted light between the lit segment A and the non-lit segment H is 600, as shown in Figure 4. It is large on the long wavelength side above the plane.
この様な光がカラーネガフィルムの赤色系のペースに入
射すると、短波長光はフィルムベースのフィルター作用
でカットされ、長波長光のみがフィルムベースな透過す
るが、非点灯セグメントからの長波長光は極めて弱く、
殆んど点灯セグメントを透過した長波長光のみが感光膜
に達し、明確な写し込みが行われる。When such light enters the red color pace of a color negative film, the short wavelength light is cut by the filter action of the film base, and only the long wavelength light is transmitted through the film base, but the long wavelength light from the non-lit segments is extremely weak,
Almost only the long wavelength light that has passed through the lighting segment reaches the photoresist film, resulting in clear imprinting.
実施例においてはカラーネガフィルムの裏面からデータ
を写し込む場合について説明したが、上記ルムの前面か
ら写し込む構成では、550Dxn程に以下の短波長光
をカットするフィルターを使用すれば一様の効果が得ら
れる。この場合フィルムの種類は何であってもよい。In the embodiment, we have explained the case where data is imprinted from the back side of the color negative film, but in the configuration where data is imprinted from the front side of the lume, a uniform effect can be obtained by using a filter that cuts short wavelength light such as 550Dxn or less. can get. In this case, any type of film may be used.
又フィルムの前面から写し込む方式で、光源としてスト
ロボ光を使用する様な場合は液晶に赤色の染料を添加す
ることによって、第3図とは逆の透過率特性にし、55
0nm程度以上の長波長光をカットするフィルターを用
いて實色光によりコントラストの良いデータ記号の写し
込みを行うことが出来る。If you are using a method that prints from the front of the film and use a strobe light as the light source, add red dye to the liquid crystal to create a transmittance characteristic that is opposite to that shown in Figure 3.
Data symbols with good contrast can be imprinted using true color light by using a filter that cuts long wavelength light of about 0 nm or more.
上述の様に本発明はゲストホスト効果を有する液晶を用
いて点灯セグメントと非点灯セグメントとの透過率の差
を大ならしめ、コントラストの良好な明確なデータ記号
を写し込み得るものである。As described above, the present invention uses a liquid crystal having a guest-host effect to increase the difference in transmittance between a lit segment and a non-lit segment, thereby making it possible to imprint clear data symbols with good contrast.
第1図は本発明の一実施例を示す配置−1嬉2図は照明
用光源の発光分布特性を示す線図、第3図は液晶の分光
透過率を示す線図、第4図は液晶面の相対輝度分布を示
す線図。
1;光#、2;[Jtナセル3:コンデンサーレンズ
4;光源
出願人 キャノン株式会社
代理人 丸 島 儀 −パ′
−25乏
)
\ Q4
凶 凶
(′)) マ
滅 城Figure 1 is a diagram showing the arrangement of one embodiment of the present invention - Figure 2 is a diagram showing the emission distribution characteristics of a light source for illumination, Figure 3 is a diagram showing the spectral transmittance of liquid crystal, and Figure 4 is a diagram showing the spectral transmittance of liquid crystal. A line diagram showing the relative brightness distribution of a surface. 1; Light #, 2; [Jt nacelle 3: Condenser lens
4; Light source applicant Canon Co., Ltd. agent Gi Marushima -Pa' -25 小)
Claims (1)
光透過率の変化を利用して透過光方式でデータに号を感
光材料に記録する様にしたことを特徴とするデータ写し
込み装置。A data imprinting device characterized in that a data symbol is recorded on a photosensitive material by a transmitted light method by utilizing changes in spectral transmittance of a liquid crystal displaying a data symbol when a voltage is applied and when a voltage is not applied.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5438382A JPS58172640A (en) | 1982-04-01 | 1982-04-01 | Data imprinter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5438382A JPS58172640A (en) | 1982-04-01 | 1982-04-01 | Data imprinter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58172640A true JPS58172640A (en) | 1983-10-11 |
JPH0548458B2 JPH0548458B2 (en) | 1993-07-21 |
Family
ID=12969157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5438382A Granted JPS58172640A (en) | 1982-04-01 | 1982-04-01 | Data imprinter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58172640A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5946508A (en) * | 1996-01-26 | 1999-08-31 | Seiko Epson Corporation | Camera data-projection device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5526507U (en) * | 1978-08-05 | 1980-02-20 | ||
JPS5666839A (en) * | 1979-11-06 | 1981-06-05 | Seiko Epson Corp | Data imprinting device for camera |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53131076A (en) * | 1977-10-13 | 1978-11-15 | Kogyosha Tsushin Kiki Seisak | Calculating device |
-
1982
- 1982-04-01 JP JP5438382A patent/JPS58172640A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5526507U (en) * | 1978-08-05 | 1980-02-20 | ||
JPS5666839A (en) * | 1979-11-06 | 1981-06-05 | Seiko Epson Corp | Data imprinting device for camera |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5946508A (en) * | 1996-01-26 | 1999-08-31 | Seiko Epson Corporation | Camera data-projection device |
Also Published As
Publication number | Publication date |
---|---|
JPH0548458B2 (en) | 1993-07-21 |
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