[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

JPS53122331A - Synchronous control system for scanned light beam - Google Patents

Synchronous control system for scanned light beam

Info

Publication number
JPS53122331A
JPS53122331A JP3607077A JP3607077A JPS53122331A JP S53122331 A JPS53122331 A JP S53122331A JP 3607077 A JP3607077 A JP 3607077A JP 3607077 A JP3607077 A JP 3607077A JP S53122331 A JPS53122331 A JP S53122331A
Authority
JP
Japan
Prior art keywords
control system
light beam
synchronous control
time
scanned light
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
JP3607077A
Other languages
Japanese (ja)
Other versions
JPS5916462B2 (en
Inventor
Tomohisa Mikami
Tadashi Matsuda
Fumitaka Abe
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP52036070A priority Critical patent/JPS5916462B2/en
Publication of JPS53122331A publication Critical patent/JPS53122331A/en
Publication of JPS5916462B2 publication Critical patent/JPS5916462B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Facsimile Scanning Arrangements (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Laser Beam Printer (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)

Abstract

PURPOSE: To correct the synchronous shift with the constitution of low cost, by measuring the time tr when the photo detector output waveform first crosses the threshold value and the time tf it again crosses, and by constituting the synchronous signal through addition of a given time tc to the time (tf-tr)/2.
COPYRIGHT: (C)1978,JPO&Japio
JP52036070A 1977-04-01 1977-04-01 Scanning light beam synchronization control method Expired JPS5916462B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52036070A JPS5916462B2 (en) 1977-04-01 1977-04-01 Scanning light beam synchronization control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52036070A JPS5916462B2 (en) 1977-04-01 1977-04-01 Scanning light beam synchronization control method

Publications (2)

Publication Number Publication Date
JPS53122331A true JPS53122331A (en) 1978-10-25
JPS5916462B2 JPS5916462B2 (en) 1984-04-16

Family

ID=12459461

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52036070A Expired JPS5916462B2 (en) 1977-04-01 1977-04-01 Scanning light beam synchronization control method

Country Status (1)

Country Link
JP (1) JPS5916462B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6125363A (en) * 1984-07-14 1986-02-04 Canon Inc Beam position detector
JP2016109734A (en) * 2014-12-02 2016-06-20 キヤノン株式会社 Scanning optical device and image forming apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6125363A (en) * 1984-07-14 1986-02-04 Canon Inc Beam position detector
JP2016109734A (en) * 2014-12-02 2016-06-20 キヤノン株式会社 Scanning optical device and image forming apparatus

Also Published As

Publication number Publication date
JPS5916462B2 (en) 1984-04-16

Similar Documents

Publication Publication Date Title
JPS5385452A (en) Range finder
JPS52153531A (en) Control sensor for movable agricultural implement
JPS53122331A (en) Synchronous control system for scanned light beam
JPS5344048A (en) Photoelectric detector
JPS5390890A (en) Semiconductor laser device
JPS5434262A (en) Detector of moving objects
JPS53118948A (en) Synchronizing unit
JPS5417482A (en) Controlled output circuit
JPS53145413A (en) Sending control system for solid state image sensor
JPS53141031A (en) Camera having focusing-state detecting element
JPS5269653A (en) Detector for displacement of scanning beam
JPS53148314A (en) Control method of feeding solid state image sensor
JPS5287356A (en) Color picture tube of beam index type
JPS52106771A (en) Drift correction circuit
JPS53100830A (en) Out-of-focus detector
JPS5315748A (en) Beam index color picture tube unit
JPS5425621A (en) Time axis correction system by video pilot signal
JPS5443033A (en) Paper detecting method
JPS542771A (en) Position setting apparatus of moving objects
JPS5395031A (en) Developing bias control
JPS5425763A (en) Perpendicularity detector
JPS5396763A (en) Generating system for electron beam drawing signal
JPS53148951A (en) Detector for pulse input time duration
JPS53110424A (en) Syncronizing circuit of facsimile unit
JPS55142466A (en) Stop position set unit for tone arm