JPS5567945A - In-focus detector - Google Patents

In-focus detector

Info

Publication number
JPS5567945A
JPS5567945A JP8800078A JP8800078A JPS5567945A JP S5567945 A JPS5567945 A JP S5567945A JP 8800078 A JP8800078 A JP 8800078A JP 8800078 A JP8800078 A JP 8800078A JP S5567945 A JPS5567945 A JP S5567945A
Authority
JP
Japan
Prior art keywords
output
photo
focus
amplifier
detecting element
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
Application number
JP8800078A
Other languages
English (en)
Japanese (ja)
Other versions
JPS628848B2 (enrdf_load_stackoverflow
Inventor
Toshihiko Hosaka
Hiroaki Tsuboi
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.)
Pioneer Video Corp
Universal Pioneer Corp
Original Assignee
Pioneer Video Corp
Universal Pioneer Corp
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 Pioneer Video Corp, Universal Pioneer Corp filed Critical Pioneer Video Corp
Priority to JP8800078A priority Critical patent/JPS5567945A/ja
Priority to GB7924345A priority patent/GB2027881B/en
Priority to DE19792929049 priority patent/DE2929049A1/de
Priority to US06/058,647 priority patent/US4286147A/en
Publication of JPS5567945A publication Critical patent/JPS5567945A/ja
Publication of JPS628848B2 publication Critical patent/JPS628848B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Automatic Focus Adjustment (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Control Of Position Or Direction (AREA)
JP8800078A 1978-07-19 1978-07-19 In-focus detector Granted JPS5567945A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP8800078A JPS5567945A (en) 1978-07-19 1978-07-19 In-focus detector
GB7924345A GB2027881B (en) 1978-07-19 1979-07-12 In-focus detecting device
DE19792929049 DE2929049A1 (de) 1978-07-19 1979-07-18 Einrichtung zum feststellen der scharfeinstellung
US06/058,647 US4286147A (en) 1978-07-19 1979-07-19 In-focus detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8800078A JPS5567945A (en) 1978-07-19 1978-07-19 In-focus detector

Publications (2)

Publication Number Publication Date
JPS5567945A true JPS5567945A (en) 1980-05-22
JPS628848B2 JPS628848B2 (enrdf_load_stackoverflow) 1987-02-25

Family

ID=13930509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8800078A Granted JPS5567945A (en) 1978-07-19 1978-07-19 In-focus detector

Country Status (1)

Country Link
JP (1) JPS5567945A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS586531A (ja) * 1981-07-01 1983-01-14 Teac Co 記録又は再生装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS586531A (ja) * 1981-07-01 1983-01-14 Teac Co 記録又は再生装置

Also Published As

Publication number Publication date
JPS628848B2 (enrdf_load_stackoverflow) 1987-02-25

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