JPS54104849A - Light beam scanner - Google Patents
Light beam scannerInfo
- Publication number
- JPS54104849A JPS54104849A JP1171178A JP1171178A JPS54104849A JP S54104849 A JPS54104849 A JP S54104849A JP 1171178 A JP1171178 A JP 1171178A JP 1171178 A JP1171178 A JP 1171178A JP S54104849 A JPS54104849 A JP S54104849A
- Authority
- JP
- Japan
- Prior art keywords
- hologram
- scanning
- divergent
- light
- diffraction 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
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/106—Scanning systems having diffraction gratings as scanning elements, e.g. holographic scanners
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1171178A JPS54104849A (en) | 1978-02-03 | 1978-02-03 | Light beam scanner |
US06/009,720 US4299437A (en) | 1978-02-03 | 1979-02-05 | Coherent beam scanner having a planar hologram illuminated by a convergent or divergent beam |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1171178A JPS54104849A (en) | 1978-02-03 | 1978-02-03 | Light beam scanner |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54104849A true JPS54104849A (en) | 1979-08-17 |
JPS615129B2 JPS615129B2 (ja) | 1986-02-15 |
Family
ID=11785620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1171178A Granted JPS54104849A (en) | 1978-02-03 | 1978-02-03 | Light beam scanner |
Country Status (2)
Country | Link |
---|---|
US (1) | US4299437A (ja) |
JP (1) | JPS54104849A (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61149918A (ja) * | 1984-12-24 | 1986-07-08 | Nec Corp | 光ビ−ム走査装置 |
US4957336A (en) * | 1985-07-31 | 1990-09-18 | Fujitsu Limited | Laser beam scanner and its fabricating method |
US5955721A (en) * | 1994-08-17 | 1999-09-21 | Metrologic Instruments, Inc. | Holographic scanning system with high-resolution 2-D a scanning field steerable within 3-D scanning volume |
US5975419A (en) * | 1994-08-17 | 1999-11-02 | Metrologic Instruments, Inc. | Holographic laser scanner generating a high-resolution 2-D raster scanning pattern using a holographic scanning disc |
US6003772A (en) * | 1994-08-17 | 1999-12-21 | Metrologic Instruments, Inc. | Holographic laser scanning system employing holographic scanning disc having dual-fringe contrast regions for optimized laser beam scanning and light collection operations |
US6006993A (en) * | 1994-08-17 | 1999-12-28 | Metrologic Instruments, Inc. | Holographic laser scanning system for carrying out laser beam scanning operations with improved scan angle multiplication efficiency and carrying out light collection operations with improved light collection efficiency |
US6085978A (en) * | 1994-08-17 | 2000-07-11 | Metrologic Instruments, Inc. | Holographic laser scanners of modular construction and method and apparatus for designing and manufacturing the same |
US6158659A (en) * | 1994-08-17 | 2000-12-12 | Metrologic Instruments, Inc. | Holographic laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes |
US6619550B1 (en) | 1995-12-18 | 2003-09-16 | Metrologic Instruments, Inc. | Automated tunnel-type laser scanning system employing corner-projected orthogonal laser scanning patterns for enhanced reading of ladder and picket fence oriented bar codes on packages moving therethrough |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH075388A (ja) * | 1993-06-16 | 1995-01-10 | Fujitsu Ltd | 光走査装置 |
WO2012032668A1 (ja) * | 2010-09-07 | 2012-03-15 | 大日本印刷株式会社 | スキャナ装置および物体の三次元形状測定装置 |
CN106933014B (zh) | 2010-09-07 | 2020-05-22 | 大日本印刷株式会社 | 光学模块 |
KR101225560B1 (ko) | 2010-09-07 | 2013-01-24 | 다이니폰 인사츠 가부시키가이샤 | 코히렌트 광원을 이용한 조명 장치 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3578845A (en) * | 1968-02-12 | 1971-05-18 | Trw Inc | Holographic focusing diffraction gratings for spectroscopes and method of making same |
US3795768A (en) * | 1971-12-15 | 1974-03-05 | Communications Satellite Corp | Holographic image scanner/recorder system |
JPS562933B2 (ja) * | 1974-09-04 | 1981-01-22 | ||
US4121882A (en) * | 1976-12-29 | 1978-10-24 | International Business Machines Corporation | Flat scan holographic laser beam deflector |
US4113343A (en) * | 1977-05-18 | 1978-09-12 | International Business Machines Corporation | Holographic opaque document scanner |
JPS545448A (en) * | 1977-06-14 | 1979-01-16 | Nec Corp | Light beam scanner |
-
1978
- 1978-02-03 JP JP1171178A patent/JPS54104849A/ja active Granted
-
1979
- 1979-02-05 US US06/009,720 patent/US4299437A/en not_active Expired - Lifetime
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61149918A (ja) * | 1984-12-24 | 1986-07-08 | Nec Corp | 光ビ−ム走査装置 |
US4957336A (en) * | 1985-07-31 | 1990-09-18 | Fujitsu Limited | Laser beam scanner and its fabricating method |
US6062479A (en) * | 1994-08-17 | 2000-05-16 | Metrologic Instruments, Inc. | Holographic laser scanning system and process and apparatus and methods for designing and constructing the same |
US6085978A (en) * | 1994-08-17 | 2000-07-11 | Metrologic Instruments, Inc. | Holographic laser scanners of modular construction and method and apparatus for designing and manufacturing the same |
US5984185A (en) * | 1994-08-17 | 1999-11-16 | Metrologic Instruments, Inc. | Laser scanning system employing parabolic light collection surfaces having optical axes disposed off the Bragg angle of the holographic optical elements of the holographic scanning disc thereof |
US6003772A (en) * | 1994-08-17 | 1999-12-21 | Metrologic Instruments, Inc. | Holographic laser scanning system employing holographic scanning disc having dual-fringe contrast regions for optimized laser beam scanning and light collection operations |
US6006993A (en) * | 1994-08-17 | 1999-12-28 | Metrologic Instruments, Inc. | Holographic laser scanning system for carrying out laser beam scanning operations with improved scan angle multiplication efficiency and carrying out light collection operations with improved light collection efficiency |
US6024282A (en) * | 1994-08-17 | 2000-02-15 | Metrologic Instruments, Inc. | Holographic laser scanning system for omni-directional laser scanning of bar code symbols with 3-D scanning volume having a large depth of field |
US5955721A (en) * | 1994-08-17 | 1999-09-21 | Metrologic Instruments, Inc. | Holographic scanning system with high-resolution 2-D a scanning field steerable within 3-D scanning volume |
US6073846A (en) * | 1994-08-17 | 2000-06-13 | Metrologic Instruments, Inc. | Holographic laser scanning system and process and apparatus and method |
US6085980A (en) * | 1994-08-17 | 2000-07-11 | Metrologic Instruments, Inc. | Holographic laser scanning system for producing an omni-directional scanning pattern within a 3-D scanning volume |
US5975419A (en) * | 1994-08-17 | 1999-11-02 | Metrologic Instruments, Inc. | Holographic laser scanner generating a high-resolution 2-D raster scanning pattern using a holographic scanning disc |
US6158659A (en) * | 1994-08-17 | 2000-12-12 | Metrologic Instruments, Inc. | Holographic laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes |
US6199759B1 (en) * | 1994-08-17 | 2001-03-13 | Metrologic Instruments, Inc. | Bar code symbol scanning system having a holographic laser scanning disc utilizing maximum light collection surface area thereof and having scanning facets with optimized light collection efficiency |
US6530522B1 (en) | 1994-08-17 | 2003-03-11 | Metrologic Instruments, Inc. | Holographic laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes |
US7152796B2 (en) | 1994-08-17 | 2006-12-26 | Metrologic Instruments, Inc. | Bar code symbol scanning system having multiple scanning stations for producing a 3-D scanning volume free of substantially and temporally coincident scanning planes |
US6840449B2 (en) | 1994-08-17 | 2005-01-11 | Metrologic Instruments, Inc. | Laser scanning system having multiple laser scanning stations for producing a 3-D scanning volume substantially free of spatially and temporally coincident scanning planes |
US6953153B2 (en) | 1994-08-17 | 2005-10-11 | Metrologic Instruments, Inc. | Compact holographic laser scanner having minimized housing dimensions determined by scanning disc and beam folding mirror parameters |
US6619550B1 (en) | 1995-12-18 | 2003-09-16 | Metrologic Instruments, Inc. | Automated tunnel-type laser scanning system employing corner-projected orthogonal laser scanning patterns for enhanced reading of ladder and picket fence oriented bar codes on packages moving therethrough |
Also Published As
Publication number | Publication date |
---|---|
US4299437A (en) | 1981-11-10 |
JPS615129B2 (ja) | 1986-02-15 |
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