WO1981003386A1 - Data photographing device for camera - Google Patents

Data photographing device for camera Download PDF

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Publication number
WO1981003386A1
WO1981003386A1 PCT/JP1981/000109 JP8100109W WO8103386A1 WO 1981003386 A1 WO1981003386 A1 WO 1981003386A1 JP 8100109 W JP8100109 W JP 8100109W WO 8103386 A1 WO8103386 A1 WO 8103386A1
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WO
WIPO (PCT)
Prior art keywords
light
data
liquid crystal
transparent electrode
pattern
Prior art date
Application number
PCT/JP1981/000109
Other languages
French (fr)
Japanese (ja)
Inventor
T Hoda
Original Assignee
Minolta Camra Kk
T Hoda
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 Minolta Camra Kk, T Hoda filed Critical Minolta Camra Kk
Publication of WO1981003386A1 publication Critical patent/WO1981003386A1/en

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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

Definitions

  • the present invention uses an S-light aperture, an exposure time, etc. ⁇ a photographing condition, photographing, data imprinting for imprinting data such as a date and a photographing time on a film mounted on the camera. More specifically, in the data projection optical system, data having a liquid crystal member capable of making only a liquid crystal portion corresponding to a desired data pattern transmit light can be transmitted.
  • the transparent electrode portion to which the voltage is applied and the overlapping liquid crystal portion are formed.
  • the transparent electrode portion to which the voltage is applied and the overlapping liquid crystal portion are formed.
  • the liquid crystal member that forms a desired imprint data pattern in a light transmissible state the light from the light source that has passed through the liquid crystal part in the light transmissible state is imaged.
  • the lens is configured to form an image on the film surface.
  • the liquid crystal member is substantially shielded from light except for the liquid crystal portion overlapping with the transparent electrode portion to which the voltage is applied.
  • the part (11) was sometimes exposed.
  • the result is traditional.
  • the data imprinting device of the present invention includes, in the data imprinting optical system, a light-shielding member having a light-transmitting portion having substantially the same shape as the pattern of the transparent electrode of the liquid crystal member.
  • the light-shielding member completely shields the portion of the liquid crystal member other than the transparent electrode pattern, so that the portion adjacent to the data image on the film surface is the light source for data projection. It is not exposed to light and the data on the film surface
  • the light shielding member is formed by a sheet member such as a printed film or a photographic film.
  • the light transmitting member includes:
  • the data recording optical system can irradiate the liquid crystal member.
  • FIG. 1 shows the data imprinting optical system of one embodiment of the present invention.
  • Fig. 3 is a diagram
  • Fig. 2 is a perspective view showing the main part of the same example
  • Fig. 3 A is data imprinting using a conventional device.
  • FIG. 3 (b) is an explanatory diagram showing a data imprinting state by the device according to the present invention.
  • the data imprinting light source (1) is related to the pressing operation of the shutter release button or the shutter release operation. Then, power is supplied from a power supply device (not shown). Lamps and light-emitting diodes are used as the light source.
  • ⁇ (2) is an optical path conversion prism having a function of condensing light emitted from the light emitting light source (1).
  • Data light generating means including a liquid crystal data plate (4). Light from the light source (1) is cut off extra light by the data light generating means to form a desired data pattern image. The data beam is emitted as a data beam to be formed. O The data beam is formed on the film surface (F) by an imaging lens (5) and a reflection mirror (6). O Connect the statue of
  • a light shielding member (7) is arranged opposite to the liquid crystal data plate (4) .o On both front and back surfaces of the liquid crystal data plate (4). As is well known, a transparent electrode (8) is arranged, and an imprint pattern (9) is formed on these electrodes. Liquid
  • the data plate (4) usually blocks light, but when voltage is applied Only the voltage application part is filled with liquid crystal that allows light transmission.o Therefore, when a selected voltage of the transparent electrode group (8) is applied, a specific desired data pattern, for example, a specific number Appears as a light-transmissible area in the shaded area.
  • the light-transmitting part (7) can be seen from the front or back of the crystal data (4) or can be attached to both sides.), And the light-blocking member (7) as a whole Only the portion of the liquid crystal data plate corresponding to the pattern of the electrode (8) is formed as a transparent portion (10) so as to allow light to pass through.
  • the light shielding member (7) is a transparent filter.
  • ⁇ Force formed as the light-shielding part is printed on the film Same as this 3 ⁇ 4 Photo film or opaque plate stamped with the shape of the electrode pattern It may be a sheet-like member formed independently of the plate. O In addition, the surface of the liquid crystal data plate may be made of an opaque paint or a substance (eg.
  • the data light generating means (3) having the above configuration transmits only light incident on a liquid crystal portion forming a desired data pattern which is made light transmissible by applying a voltage to the transparent electrode (8). Therefore, the extra light is blocked by the liquid crystal itself in the non-transparent state and the light shielding plate (7), so that the light from the light source (1) passes through the data light generating means (3). 9) is generated as data light having desired data information, and then guided on the film surface as described above to form a data image.
  • the data imprinting device of this embodiment has the light shielding member (7) arranged so as to face the liquid crystal data plate, it is assumed that a portion adjacent to the periphery of the imprinting pattern (9) of the liquid crystal data plate is lighted. Even if passed Such light is completely blocked by the light-shielding plate (7). Therefore, only light that has passed through the desired data pattern is guided on the film surface.
  • the data image (9) imprinted on the surface has a clear outline and is very legible as shown in Fig. 3 (b).

Abstract

A data photographing device for a camera in a data photographing optical system, which includes a transparent electrode (8) formed in the pattern to be photographed (9) and a liquid crystal member (4), in which the desired photographic data is formed by applying a voltage to the desired portions of the transparant electrode (8), making the portions of the liquid crystal over those portions of the electrode become light transmissible. A light shielding member (7) including a light transmissable portion having approximately the same shape as the pattern of the transparant electrode (8) is arranged at a position in such a manner that the light transmissible portion (10) is optically superposed with the transparent electrode (8), thereby blocking passage of light through the liquid crystal except through the pattern of the transparent electrode (8). Consequently, the data can be clearly photographed on a film surface.

Description

明 細 書  Specification
発明の名称  Title of invention
カメ ラのデータ写込み装置  Camera data projection device
技術分野  Technical field
⑤ この発明は、 S光絞 開口 ' 露光時間等 ο撮影条件、 撮影.日 付および撮影時刻等のデ一タを、 カメ ラに装塡されたフ イ ル ム に写込むためのデータ写込み装置に関 し、 詳しく は、 データ写 込み光学系内に、 所望データパターンに対応する液晶部分のみ を光透過可能状態にする ことが可能な液晶部材を有するデータ 発 明 The present invention uses an S-light aperture, an exposure time, etc. ο a photographing condition, photographing, data imprinting for imprinting data such as a date and a photographing time on a film mounted on the camera. More specifically, in the data projection optical system, data having a liquid crystal member capable of making only a liquid crystal portion corresponding to a desired data pattern transmit light can be transmitted.
© 写込み装置に関する。 © Imprinting equipment.
背景技術  Background art
一般に、 この種のデータ写込み装置は、 写込みパター ンを形 成する透明電極のう ちの所望部分への電圧の印加によ 、 電圧 ' が印加された透明電極部分と重 ¾つた液晶部分が光透過可能状 © 態となつて所望の写込みデータパター ンを形成する液晶部材を 使用してお ] 、 その光透過可能状態となった液晶部分を透過し た光源からの光を結像レ ンズによ フ ィ ルム面上に結像させる よ うに構成されている。 その場合、 液晶部材の う ち、 電圧を印 加された透明電極部分と重 つている液晶部分以外は、 略遮光 Generally, in this type of data imprinting device, by applying a voltage to a desired portion of the transparent electrode forming the imprinting pattern, the transparent electrode portion to which the voltage is applied and the overlapping liquid crystal portion are formed. Using a liquid crystal member that forms a desired imprint data pattern in a light transmissible state], the light from the light source that has passed through the liquid crystal part in the light transmissible state is imaged. The lens is configured to form an image on the film surface. In such a case, the liquid crystal member is substantially shielded from light except for the liquid crystal portion overlapping with the transparent electrode portion to which the voltage is applied.
® 状態に保たれるため、 光源からの光を遮新し、 その部分に入射 ® Keeps the light from the light source and enters it
する光がフ ィ ルム面を露光するのを防ぐ遮光手段と して作用す る。 しかし、 実際に使用される液晶部材は、 その不透明部で完 全には遮光を行な う ことができ ないため、 い く らかの光が遮光 状態に保たれている液晶部分を透過し、 第 3図（a)に示す如く、  It acts as a light-blocking means to prevent the exposing light from exposing the film surface. However, the liquid crystal member actually used cannot completely block the light in the opaque portion, so that some light passes through the liquid crystal portion that is kept in the light-blocked state. As shown in Fig. 3 (a),
© フ ィ ルム面上におけるデータパター ン の投影像 （9 に隣接する  © Projected image of the data pattern on the film surface (adjacent to 9
部分 （11)を露光してしま う ことがあった。 その結杲、 従来のし .  The part (11) was sometimes exposed. The result is traditional.
Ο,κΡΙ 小 7- 一 — Ο, κΡΙ Small 7- One —
の種データ写込み装置には、 フ ィ ルムに写込まれたデータパタ —ンの輪郭が不明暸に ¾ ]9、 その判読がしに く く なる欠点があ つた0 The species data imprinting device, Detapata was imprinted in full I Lum - ¾ down contour unknown暸] 9, disadvantages there Ivy its readability Naru rather Ku in is 0
？ S. P¾ ^ -  ? S. P¾ ^-
⑤ この発明の目的は、 データを 7 イ ルム面上に明瞭-に写込むこ とが可能なデータ写込み装置を提供することである o 目的 It is an object of the present invention to provide a data imprinting apparatus capable of imprinting data clearly on a 7-lm surface.o
この発明のデータ写込み装置は、 上記目的を達成するため、 データ写込み光学系内に、 液晶部材の透明電極のパターンと略 同形状の光透過部分を有する遮光部材が、 その光透過部分が上 In order to achieve the above object, the data imprinting device of the present invention includes, in the data imprinting optical system, a light-shielding member having a light-transmitting portion having substantially the same shape as the pattern of the transparent electrode of the liquid crystal member. Up
Θ 記透明電極バタ一ンに光学的に重なる よ うに配設されている。 さ れ It is disposed so as to optically overlap with the transparent electrode butter.
この構成であれば、 その遮光部材が液晶部材における透明電極 パター ン以外の個所を完全に遮光するため、 フ ィ ルム面上にお いて、 データ像に隣接する個所が、 データ写込み用光源の光に よって露光されることがな く、 フ ィ ルム面へのデータの明瞭な With this configuration, the light-shielding member completely shields the portion of the liquid crystal member other than the transparent electrode pattern, so that the portion adjacent to the data image on the film surface is the light source for data projection. It is not exposed to light and the data on the film surface
© 写込みが可能である o © Imprinting is possible o
この発明の実施例の特徵によれば、 遮光部材は、 印刷された フ ィ ルムや写真フ ィ ルム等のシー ト部材によって禱成されてい る O  According to the features of the embodiments of the present invention, the light shielding member is formed by a sheet member such as a printed film or a photographic film.
また、 この発明の実施例の他の特徵によれば、 遣光部材は、 Further, according to another feature of the embodiment of the present invention, the light transmitting member includes:
® 液晶部材に直接附着された遽光性物質によって禱成されている O さ らに、 この発明の他の実施例の特徵によれば、 データ写込 み光学系は、 液晶部材を照射可能な光源と、 液晶部材の光透逼 可能状態となった部分を透過した光源の光をフ ィ ルム面上に結 像させる結像レンズとを備えている o ® O directly attached to the liquid crystal member and formed of an optical material. According to a feature of another embodiment of the present invention, the data recording optical system can irradiate the liquid crystal member. A light source, and an imaging lens for forming an image of the light from the light source, which has passed through the portion of the liquid crystal member where the light transmission is enabled, on the film surface.o
© この発明の前記な らびにそのほかの目的と新規な特徵は次の 詳細な説明を添付図面と照 し合せて読めばよ j 完全に るるであろ う。 ただし、 図面はもっぱら解説のためのものであ つて、 この発明の範囲を限定するものではるい o © The above and other objects and novel features of the present invention can be understood by reading the following detailed description in conjunction with the accompanying drawings. It will be. However, the drawings are for explanation only, and do not limit the scope of the present invention.
図面の簡単な説明  BRIEF DESCRIPTION OF THE FIGURES
第 1 図はこの考案の一実施例のデータ写し込み光学系を示す ③ 図、 第 2医は同上実旖例の要部を示す斜視図、 箅 3 図 (a)は 従来装置に よるデータ写し込み状態を示す説明図、 第 3図 (b)は この考案に係る装置によ るデータ写し込み状態を示す説明図で る o  Fig. 1 shows the data imprinting optical system of one embodiment of the present invention. Fig. 3 is a diagram, Fig. 2 is a perspective view showing the main part of the same example, and Fig. 3 A is data imprinting using a conventional device. FIG. 3 (b) is an explanatory diagram showing a data imprinting state by the device according to the present invention.
発明を実施するための最良の形態  BEST MODE FOR CARRYING OUT THE INVENTION
© データ写し込み光学系を示す第 1 図を参照する と、 データ写 し込み用光源 (1)はシャ ツ タ レ リ 一ズ釦の押圧操作あるいはシャ ッ タ レ リ.ーズ動作に関違して、 不図示の電源装置から給電され る。 その光源と してはラ ンプや発光ダイ オー ド等が用いられて© Referring to Fig. 1 showing the data imprinting optical system, the data imprinting light source (1) is related to the pressing operation of the shutter release button or the shutter release operation. Then, power is supplied from a power supply device (not shown). Lamps and light-emitting diodes are used as the light source.
- いる o . -There o.
© (2)は、 前記発光光源 (1)から発光された光を集光する機能を併 せ持った光路変換プリ ズムである。 （3)は液晶データ板 (4)を含む データ光作成手段で、 前記光源 (1)からの光は該データ光作成手 段によって余分 ¾光をカツ ト され所望のデ一タパター ン像を形 成するためのデータ光と して射出される o 前記データ光は結像 © レンズ (5)、 反射ミ ラー（6)によってフ ィ ルム面 (F)上に導びかれ前 記所望のデータパター ンの像をそこに結ぶ o © (2) is an optical path conversion prism having a function of condensing light emitted from the light emitting light source (1). (3) Data light generating means including a liquid crystal data plate (4). Light from the light source (1) is cut off extra light by the data light generating means to form a desired data pattern image. The data beam is emitted as a data beam to be formed. O The data beam is formed on the film surface (F) by an imaging lens (5) and a reflection mirror (6). O Connect the statue of
前記データ光作成手段 (3)の詳細を示す第 2図を参照すると、 液晶データ板 (4)に対向して遮光部材 (7)が配置されている o 液晶 データ板 (4)の表裏両面には周知の如く 透明電極 (8)が配置されて © お] 9、 これらの電極に写込みパター ン (9)が形成されている。 液  Referring to FIG. 2 showing the details of the data beam creating means (3), a light shielding member (7) is arranged opposite to the liquid crystal data plate (4) .o On both front and back surfaces of the liquid crystal data plate (4). As is well known, a transparent electrode (8) is arranged, and an imprint pattern (9) is formed on these electrodes. Liquid
曰  Say
曰曰データ板 (4)内には、 通常は光を遮]?、 電圧が印加されたと き のみその電圧印加部分が光透過可能となる液晶が封入されてい る o 従って、 透明電極群 (8)のう ちの選ばれた電 圧が印加さ れると、 特定の所望データパター ン例えば特定の数字が、 遮光 された部分の中に、 光透過可能 ¾部分と して現われることにるThe data plate (4) usually blocks light, but when voltage is applied Only the voltage application part is filled with liquid crystal that allows light transmission.o Therefore, when a selected voltage of the transparent electrode group (8) is applied, a specific desired data pattern, for example, a specific number Appears as a light-transmissible area in the shaded area.
⑤ る。 達光部 (7)は前記泫晶データ钣 (4}の表裏伺れか〇面若し.く は両面に貼着されてお Ϊ)、 かつ該遮光部材 (7)は全体と して光を 遮る よ うにるつていて、 液晶デ一タ板の前記電極 (8)のパタ ー ン と対応する部分のみが光を通すよ う に素通し部分 （1 0)として形 成されている。 この実施例の場合、 遮光部材 (7)は、 透明フ ィ ル⑤ The light-transmitting part (7) can be seen from the front or back of the crystal data (4) or can be attached to both sides.), And the light-blocking member (7) as a whole Only the portion of the liquid crystal data plate corresponding to the pattern of the electrode (8) is formed as a transparent portion (10) so as to allow light to pass through. In the case of this embodiment, the light shielding member (7) is a transparent filter.
⑩ ム上に前記遮光部分が印刷されたものと して形成されている力 これと同様 ¾写真フ ィ ルム、 或いは前記電極のパタ ー ンの形を 打抜いた不透明板 どのよ う に液晶データ板と独立して形成さ れるシ一 ト状部材であっても よい o 更には液晶データ板の表面 .- · に前記電極のパター ンを避けて不透光塗料若しくは物質 （例え力 Force formed as the light-shielding part is printed on the film Same as this ¾ Photo film or opaque plate stamped with the shape of the electrode pattern It may be a sheet-like member formed independently of the plate. O In addition, the surface of the liquid crystal data plate may be made of an opaque paint or a substance (eg.
© ばアル ミ ニ ウ ム） を直接に積層した！)蒸着した して遮光部材 © Aluminum) directly! ) Evaporated and light shielding member
(7)を形成しても よい。 以上の構成をもつデータ光作成手段 (3)は、 透明電極 (8)への電圧印加によ 光透過可能状態にされた所望デ —タパター ンを形成する液晶部分に入射する光のみを透過せし め、 それ以外の余分な光を不„透光状態にある液晶自身および遮 © 光板 (7)によって遮断する。 従って、 前記光源 (1)からの光はこの データ光作成手段 (3)を通過することに よ ]9所望のデータ情報を もったデータ光と して生成され、 その後既述の如く フ ィ ル ム面 上に導びかれてデータ像を形成する o  (7) may be formed. The data light generating means (3) having the above configuration transmits only light incident on a liquid crystal portion forming a desired data pattern which is made light transmissible by applying a voltage to the transparent electrode (8). Therefore, the extra light is blocked by the liquid crystal itself in the non-transparent state and the light shielding plate (7), so that the light from the light source (1) passes through the data light generating means (3). 9) is generated as data light having desired data information, and then guided on the film surface as described above to form a data image.
この実施例のデータ写込み装置は液晶デ一タ板に対向させて © 前記遮光部材 (7)を配置したものであるから、 仮に液晶データ板 の写込みバターン (9)の周辺隣接部分を光が通過したと しても、 そのような光は遮光板 (7)によ ] 完全に遮断される o 従って、 フ イ ルム面上には所望のデータパタ ーンの部分を通過した光のみ が導びかれるので、 フ イ ル ム面上に写し込まれたデータ像 （9) は第 3図 (b)に示す如くその輪郭部が明瞭で極めて判読し易い。Since the data imprinting device of this embodiment has the light shielding member (7) arranged so as to face the liquid crystal data plate, it is assumed that a portion adjacent to the periphery of the imprinting pattern (9) of the liquid crystal data plate is lighted. Even if passed Such light is completely blocked by the light-shielding plate (7). Therefore, only light that has passed through the desired data pattern is guided on the film surface. The data image (9) imprinted on the surface has a clear outline and is very legible as shown in Fig. 3 (b).
⑤ ⑤
⑪ ⑪

Claims

請 求 の 範 囲 The scope of the claims
1 . 写込みパターンを形成する透明電極を有し、 その透明電 極の所望部分への電圧の印加によ ]9、 それと重るる液晶部分が 光透過可能状態と ¾つて所望の写込みデータを形成する液晶部 1. It has a transparent electrode that forms an imprint pattern, and by applying a voltage to a desired portion of the transparent electrode] 9, the liquid crystal portion overlapping therewith is in a light transmissive state, and the desired imprint data is obtained. Liquid crystal part to be formed
⑤ ¾ ¾データ写込み光学系 PSに信えたテ一タ写込み装置にお て. ¾ ¾ ¾ Data imprinting optics Data imprinting equipment that was trusted by PS.
上記透明電極のパタ ーン と略同形状の光透過可能部分を有する 遮光部材を、 その光透過可能部分が上記透明電極と光学的に重 る位置に配設したことを特徵とするデータ—写込み装置 o  Data-photographing is characterized in that a light-shielding member having a light-transmittable portion having substantially the same shape as the pattern of the transparent electrode is disposed at a position where the light-transmittable portion optically overlaps the transparent electrode. Embedded device o
2. 前記遮光部材は、 シー ト状部材から ¾る請求の範囲第 1 © 項記載のデータ写込み装置 o  2. The data projection device according to claim 1, wherein the light shielding member is a sheet-shaped member.
3. 前記シー ト状部材は、 印刷されたフ ィ ルムからなる請求 の範囲第 2項記載のデータ写込み装置。  3. The data imprinting device according to claim 2, wherein the sheet-like member is formed of a printed film.
4. 前記シ一 ト状部材は、 写真フ ィ ルムからるる請求の範囲 - 第 2項記載のデータ写 ¾み装置 o  4. The data recording device according to claim 2, wherein the sheet-like member is made of a photographic film.
© 5. 前記遮光部材は、 上記液晶部材に直接附着された遮光性 物質からなる請求の範囲第 1 項記載のデータ写込み装置 o  © 5. The data projection device according to claim 1, wherein the light shielding member is made of a light shielding material directly attached to the liquid crystal member.
6. 前記データ写込み光学系は、 前記液晶部材を照射可能な 光源と、 上記液晶部材の光透過可能状態となった部分を透過し た上記光源の光をフ ィ ルム上に結像させる結像レ ンズとを有す 6. The data imprinting optical system includes: a light source capable of irradiating the liquid crystal member; and a light source configured to form an image of the light of the light source transmitted through a portion of the liquid crystal member in a light transmissible state on a film. With statue lens
© ることを特徵とする請求の範囲第 1 項から第 5項までのいずれ かに記載のデータ写込み装置 o © The data imprinting device according to any one of claims 1 to 5, which is characterized in that: o
PCT/JP1981/000109 1980-05-12 1981-05-12 Data photographing device for camera WO1981003386A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6537680U JPS56164234U (en) 1980-05-12 1980-05-12
JP80/65376 1980-05-12

Publications (1)

Publication Number Publication Date
WO1981003386A1 true WO1981003386A1 (en) 1981-11-26

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ID=13285179

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1981/000109 WO1981003386A1 (en) 1980-05-12 1981-05-12 Data photographing device for camera

Country Status (2)

Country Link
JP (1) JPS56164234U (en)
WO (1) WO1981003386A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49118441A (en) * 1973-03-12 1974-11-12
JPS5011054A (en) * 1973-05-29 1975-02-04
JPS51116749U (en) * 1975-03-18 1976-09-21
JPS5555326A (en) * 1978-10-19 1980-04-23 Canon Inc Camera having data recorder
JPS55137121U (en) * 1979-03-20 1980-09-30

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49118441A (en) * 1973-03-12 1974-11-12
JPS5011054A (en) * 1973-05-29 1975-02-04
JPS51116749U (en) * 1975-03-18 1976-09-21
JPS5555326A (en) * 1978-10-19 1980-04-23 Canon Inc Camera having data recorder
JPS55137121U (en) * 1979-03-20 1980-09-30

Also Published As

Publication number Publication date
JPS56164234U (en) 1981-12-05

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