JPS5414252A - Light beam scanner - Google Patents

Light beam scanner

Info

Publication number
JPS5414252A
JPS5414252A JP8029577A JP8029577A JPS5414252A JP S5414252 A JPS5414252 A JP S5414252A JP 8029577 A JP8029577 A JP 8029577A JP 8029577 A JP8029577 A JP 8029577A JP S5414252 A JPS5414252 A JP S5414252A
Authority
JP
Japan
Prior art keywords
light beam
beam scanner
beam diameter
lens
theta lens
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
JP8029577A
Other languages
Japanese (ja)
Inventor
Yuzo Ono
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP8029577A priority Critical patent/JPS5414252A/en
Publication of JPS5414252A publication Critical patent/JPS5414252A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To obviate the occurrence of aberrations even if the incident beam diameter to a f'theta lens is increased and reduce the focusing beam diameter on scanning plane by disposing a toric lens within the limited space between a rotary polyhedral mirror and a f'theta lens.
JP8029577A 1977-07-04 1977-07-04 Light beam scanner Pending JPS5414252A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8029577A JPS5414252A (en) 1977-07-04 1977-07-04 Light beam scanner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8029577A JPS5414252A (en) 1977-07-04 1977-07-04 Light beam scanner

Publications (1)

Publication Number Publication Date
JPS5414252A true JPS5414252A (en) 1979-02-02

Family

ID=13714271

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8029577A Pending JPS5414252A (en) 1977-07-04 1977-07-04 Light beam scanner

Country Status (1)

Country Link
JP (1) JPS5414252A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57144518A (en) * 1981-03-03 1982-09-07 Canon Inc Scan optical system having fall compensating function
US5414534A (en) * 1992-12-02 1995-05-09 Vidar Systems Corporation Apparatus for mechanically adjusting the image on CCD arrays in a scanning apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57144518A (en) * 1981-03-03 1982-09-07 Canon Inc Scan optical system having fall compensating function
JPH0221565B2 (en) * 1981-03-03 1990-05-15 Canon Kk
US5414534A (en) * 1992-12-02 1995-05-09 Vidar Systems Corporation Apparatus for mechanically adjusting the image on CCD arrays in a scanning apparatus

Similar Documents

Publication Publication Date Title
GB1431059A (en) Light beam scanning system
JPS57144515A (en) Scan optical system having fall compensating function
EP0282593A4 (en) Laser beam forming apparatus.
JPS57144516A (en) Scan optical system having fall compensating function
GB1451885A (en) Image rotating optical system
JPS57177115A (en) Projection lens device
GB1196373A (en) Optical Scanning System
JPS5246813A (en) Photographic optical system for observation for ophthalmofunduscopic c amera
ATE24780T1 (en) WIDE ANGLE OPTICAL DEVICE.
JPS5479644A (en) Scanning optical system
JPS6433517A (en) Mechanical light deflector
JPS5414252A (en) Light beam scanner
JPS57207216A (en) Optical deflector
JPS5789731A (en) Focusing screen
JPS54153051A (en) Scanning optical system
JPS5785018A (en) Optical scanner
IE790816L (en) Beacon lamp
JPS52111736A (en) Scanning optical system with information beam take-out element
EP0206332A3 (en) Apparatus for generating high pressure by underwater shock wave
JPS5735824A (en) Light beam scanner
JPS5350852A (en) Half tone image forming optical system
JPS56167118A (en) Scanner of optical system
JPS547944A (en) Optical lens cnnector
JPS5327347A (en) Array antenna with lens
JPS53140A (en) Scanning optical system