JPS61179534U - - Google Patents

Info

Publication number
JPS61179534U
JPS61179534U JP6287785U JP6287785U JPS61179534U JP S61179534 U JPS61179534 U JP S61179534U JP 6287785 U JP6287785 U JP 6287785U JP 6287785 U JP6287785 U JP 6287785U JP S61179534 U JPS61179534 U JP S61179534U
Authority
JP
Japan
Prior art keywords
camera
shooting screen
different subjects
measurement signals
signals
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
JP6287785U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP6287785U priority Critical patent/JPS61179534U/ja
Publication of JPS61179534U publication Critical patent/JPS61179534U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はこの考案の一実施例を示す回路図、第
2図は発光ダイオードとPSDとの関係を示す図
、第3図は測距枠を示す図、第4図は信号処理回
路の内部構成の一部を示す回路図である。 1a,1b,2a〜2i……発光ダイオード、
3a,3b……ポジシヨン・センシテイブ・デバ
イス(PSD)、9i……信号処理回路、9l…
…A/D変換回路、9n……カウンタ。
Figure 1 is a circuit diagram showing an embodiment of this invention, Figure 2 is a diagram showing the relationship between the light emitting diode and PSD, Figure 3 is a diagram showing the ranging frame, and Figure 4 is the inside of the signal processing circuit. FIG. 2 is a circuit diagram showing a part of the configuration. 1a, 1b, 2a to 2i... light emitting diode,
3a, 3b...Position sensitive device (PSD), 9i...Signal processing circuit, 9l...
...A/D conversion circuit, 9n...counter.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 被写体までの距離を自動的に測距して得られた
信号によつて焦点調節を行なうカメラの自動焦点
装置において、撮影画面内の異なる被写体に測定
用信号を送出する手段と、それらの異なる被写体
から反射されてきた信号のうち最も強い信号を選
択する手段とを備えたことを特徴とするカメラの
自動焦点装置。
In an autofocus device for a camera that automatically measures the distance to a subject and adjusts the focus based on the signal obtained, a means for sending measurement signals to different subjects within the shooting screen, and a means for transmitting measurement signals to different subjects in the shooting screen, and An automatic focusing device for a camera, comprising: means for selecting the strongest signal among signals reflected from the camera.
JP6287785U 1985-04-26 1985-04-26 Pending JPS61179534U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6287785U JPS61179534U (en) 1985-04-26 1985-04-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6287785U JPS61179534U (en) 1985-04-26 1985-04-26

Publications (1)

Publication Number Publication Date
JPS61179534U true JPS61179534U (en) 1986-11-08

Family

ID=30592501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6287785U Pending JPS61179534U (en) 1985-04-26 1985-04-26

Country Status (1)

Country Link
JP (1) JPS61179534U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57165821A (en) * 1981-04-07 1982-10-13 Nippon Kogaku Kk <Nikon> Ttl automatic focusing device of camera
JPS58201015A (en) * 1982-05-20 1983-11-22 Canon Inc Distance measuring device
JPS59151116A (en) * 1983-02-17 1984-08-29 Canon Inc Automatic focusing device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57165821A (en) * 1981-04-07 1982-10-13 Nippon Kogaku Kk <Nikon> Ttl automatic focusing device of camera
JPS58201015A (en) * 1982-05-20 1983-11-22 Canon Inc Distance measuring device
JPS59151116A (en) * 1983-02-17 1984-08-29 Canon Inc Automatic focusing device

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