JPS5377544A - Optical detector - Google Patents

Optical detector

Info

Publication number
JPS5377544A
JPS5377544A JP15325476A JP15325476A JPS5377544A JP S5377544 A JPS5377544 A JP S5377544A JP 15325476 A JP15325476 A JP 15325476A JP 15325476 A JP15325476 A JP 15325476A JP S5377544 A JPS5377544 A JP S5377544A
Authority
JP
Japan
Prior art keywords
optical detector
light
modulating
positively
alternating
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
JP15325476A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5620652B2 (ref
Inventor
Keiichi Obara
Nobuo Yamazaki
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP15325476A priority Critical patent/JPS5377544A/ja
Publication of JPS5377544A publication Critical patent/JPS5377544A/ja
Publication of JPS5620652B2 publication Critical patent/JPS5620652B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Geophysics And Detection Of Objects (AREA)
  • Electronic Switches (AREA)
JP15325476A 1976-12-20 1976-12-20 Optical detector Granted JPS5377544A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15325476A JPS5377544A (en) 1976-12-20 1976-12-20 Optical detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15325476A JPS5377544A (en) 1976-12-20 1976-12-20 Optical detector

Publications (2)

Publication Number Publication Date
JPS5377544A true JPS5377544A (en) 1978-07-10
JPS5620652B2 JPS5620652B2 (ref) 1981-05-14

Family

ID=15558427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15325476A Granted JPS5377544A (en) 1976-12-20 1976-12-20 Optical detector

Country Status (1)

Country Link
JP (1) JPS5377544A (ref)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6285297A (ja) * 1985-10-09 1987-04-18 カシオ計算機株式会社 電子楽器の入力装置
JPH01228216A (ja) * 1988-03-08 1989-09-12 Fuji Electric Co Ltd 光電スイッチ
JPH01253313A (ja) * 1988-03-31 1989-10-09 Fuji Electric Co Ltd 光電スイツチ

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4932588A (ref) * 1972-07-24 1974-03-25
JPS5019337A (ref) * 1973-06-21 1975-02-28
JPS5048469A (ref) * 1973-08-31 1975-04-30
JPS5085224A (ref) * 1973-11-28 1975-07-09
JPS50109544U (ref) * 1974-02-15 1975-09-08
JPS519272A (ja) * 1974-07-13 1976-01-24 Omron Tateisi Electronics Co Kodenkenshutsusochi

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4932588A (ref) * 1972-07-24 1974-03-25
JPS5019337A (ref) * 1973-06-21 1975-02-28
JPS5048469A (ref) * 1973-08-31 1975-04-30
JPS5085224A (ref) * 1973-11-28 1975-07-09
JPS50109544U (ref) * 1974-02-15 1975-09-08
JPS519272A (ja) * 1974-07-13 1976-01-24 Omron Tateisi Electronics Co Kodenkenshutsusochi

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6285297A (ja) * 1985-10-09 1987-04-18 カシオ計算機株式会社 電子楽器の入力装置
JPH01228216A (ja) * 1988-03-08 1989-09-12 Fuji Electric Co Ltd 光電スイッチ
JPH01253313A (ja) * 1988-03-31 1989-10-09 Fuji Electric Co Ltd 光電スイツチ

Also Published As

Publication number Publication date
JPS5620652B2 (ref) 1981-05-14

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